diff --git a/analyze-scope.js b/analyze-scope.js
index 5505973..f911769 100644
--- a/analyze-scope.js
+++ b/analyze-scope.js
@@ -778,17 +778,17 @@ class Referencer extends OriginalReferencer {
     }
 }
 
-module.exports = function(ast, parserOptions, extraOptions) {
+module.exports = function(ast, parserOptions) {
     const options = {
         ignoreEval: true,
         optimistic: false,
         directive: false,
         nodejsScope:
-            ast.sourceType === "script" &&
+            parserOptions.sourceType === "script" &&
             (parserOptions.ecmaFeatures &&
                 parserOptions.ecmaFeatures.globalReturn) === true,
         impliedStrict: false,
-        sourceType: extraOptions.sourceType,
+        sourceType: parserOptions.sourceType,
         ecmaVersion: parserOptions.ecmaVersion || 2018,
         childVisitorKeys,
         fallback
diff --git a/parser.js b/parser.js
index 9774d4c..dec3cd6 100644
--- a/parser.js
+++ b/parser.js
@@ -33,10 +33,15 @@ exports.parseForESLint = function parseForESLint(code, options) {
         }
     }
 
+    // https://eslint.org/docs/user-guide/configuring#specifying-parser-options
+    // if sourceType is not provided by default eslint expect that it will be set to "script"
+    options.sourceType = options.sourceType || "script";
+    if (options.sourceType !== "module" && options.sourceType !== "script") {
+        options.sourceType = "script";
+    }
+
     const ast = parse(code, options);
-    const extraOptions = {
-        sourceType: ast.sourceType
-    };
+    ast.sourceType = options.sourceType;
 
     traverser.traverse(ast, {
         enter: node => {
@@ -47,23 +52,12 @@ exports.parseForESLint = function parseForESLint(code, options) {
                         node.type = `TSEmptyBody${node.type}`;
                     }
                     break;
-
-                // Import/Export declarations cannot appear in script.
-                // But if those appear only in namespace/module blocks, `ast.sourceType` was `"script"`.
-                // This doesn't modify `ast.sourceType` directly for backward compatibility.
-                case "ImportDeclaration":
-                case "ExportAllDeclaration":
-                case "ExportDefaultDeclaration":
-                case "ExportNamedDeclaration":
-                    extraOptions.sourceType = "module";
-                    break;
-
                 // no default
             }
         }
     });
 
-    const scopeManager = analyzeScope(ast, options, extraOptions);
+    const scopeManager = analyzeScope(ast, options);
     return { ast, scopeManager, visitorKeys };
 };
 
diff --git a/tests/lib/__snapshots__/basics.js.snap b/tests/lib/__snapshots__/basics.js.snap
index d952c5a..6aeaa22 100644
--- a/tests/lib/__snapshots__/basics.js.snap
+++ b/tests/lib/__snapshots__/basics.js.snap
@@ -109,7 +109,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -515,7 +515,7 @@ Object {
     0,
     59,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1194,7 +1194,7 @@ Object {
     0,
     60,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1562,7 +1562,7 @@ Object {
     0,
     17,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1731,7 +1731,7 @@ Object {
     0,
     15,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1993,7 +1993,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2236,7 +2236,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2537,7 +2537,7 @@ Object {
     0,
     39,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2997,7 +2997,7 @@ Object {
     0,
     17,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
diff --git a/tests/lib/__snapshots__/comments.js.snap b/tests/lib/__snapshots__/comments.js.snap
index 5672625..cf52cd5 100644
--- a/tests/lib/__snapshots__/comments.js.snap
+++ b/tests/lib/__snapshots__/comments.js.snap
@@ -110,7 +110,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -335,7 +335,7 @@ Object {
     10,
     31,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -984,7 +984,7 @@ Object {
     99,
     137,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1489,7 +1489,7 @@ Object {
     0,
     98,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2193,7 +2193,7 @@ Object {
     0,
     129,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2598,7 +2598,7 @@ Object {
     12,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [],
   "type": "Program",
 }
@@ -2752,7 +2752,7 @@ Object {
     6,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2946,7 +2946,7 @@ Object {
     0,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3204,7 +3204,7 @@ Object {
     0,
     38,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3504,7 +3504,7 @@ Object {
     0,
     61,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3822,7 +3822,7 @@ Object {
     0,
     64,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4105,7 +4105,7 @@ Object {
     0,
     62,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4406,7 +4406,7 @@ Object {
     0,
     64,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4799,7 +4799,7 @@ Object {
     0,
     69,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5297,7 +5297,7 @@ Object {
     0,
     92,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5890,7 +5890,7 @@ Object {
     0,
     142,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6442,7 +6442,7 @@ Object {
     0,
     59,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6911,7 +6911,7 @@ Object {
     0,
     134,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7996,7 +7996,7 @@ Object {
     0,
     288,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9115,7 +9115,7 @@ Object {
     0,
     65,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
diff --git a/tests/lib/__snapshots__/ecma-features.js.snap b/tests/lib/__snapshots__/ecma-features.js.snap
index 591436e..570124e 100644
--- a/tests/lib/__snapshots__/ecma-features.js.snap
+++ b/tests/lib/__snapshots__/ecma-features.js.snap
@@ -113,7 +113,7 @@ Object {
     0,
     14,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -432,7 +432,7 @@ Object {
     0,
     18,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -732,7 +732,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1074,7 +1074,7 @@ Object {
     0,
     36,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1645,7 +1645,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1945,7 +1945,7 @@ Object {
     0,
     19,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2210,7 +2210,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2540,7 +2540,7 @@ Object {
     0,
     32,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2878,7 +2878,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3234,7 +3234,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3536,7 +3536,7 @@ Object {
     0,
     26,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3802,7 +3802,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4104,7 +4104,7 @@ Object {
     0,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4442,7 +4442,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4780,7 +4780,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5100,7 +5100,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5348,7 +5348,7 @@ Object {
     0,
     25,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5578,7 +5578,7 @@ Object {
     0,
     17,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5826,7 +5826,7 @@ Object {
     0,
     9,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6095,7 +6095,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6396,7 +6396,7 @@ Object {
     0,
     17,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6697,7 +6697,7 @@ Object {
     0,
     18,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6998,7 +6998,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7173,7 +7173,7 @@ Object {
     0,
     11,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7366,7 +7366,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7613,7 +7613,7 @@ Object {
     0,
     10,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7865,7 +7865,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8189,7 +8189,7 @@ Object {
     0,
     29,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8652,7 +8652,7 @@ Object {
     0,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8827,7 +8827,7 @@ Object {
     0,
     14,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9037,7 +9037,7 @@ Object {
     0,
     15,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9207,7 +9207,7 @@ Object {
     0,
     6,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9305,7 +9305,7 @@ Object {
     0,
     4,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9403,7 +9403,7 @@ Object {
     0,
     6,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9501,7 +9501,7 @@ Object {
     0,
     6,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9601,7 +9601,7 @@ Object {
     0,
     7,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9699,7 +9699,7 @@ Object {
     0,
     7,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9834,7 +9834,7 @@ Object {
     0,
     17,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10023,7 +10023,7 @@ Object {
     0,
     15,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10306,7 +10306,7 @@ Object {
     0,
     48,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10867,7 +10867,7 @@ Object {
     0,
     32,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -11385,7 +11385,7 @@ Object {
     0,
     26,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -11717,7 +11717,7 @@ Object {
     0,
     11,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -12001,7 +12001,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -12357,7 +12357,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -12714,7 +12714,7 @@ Object {
     0,
     26,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -13052,7 +13052,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -13461,7 +13461,7 @@ Object {
     0,
     45,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -13889,7 +13889,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -14282,7 +14282,7 @@ Object {
     0,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -14692,7 +14692,7 @@ Object {
     0,
     29,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -15259,7 +15259,7 @@ Object {
     0,
     59,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -15981,7 +15981,7 @@ Object {
     0,
     39,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -16631,7 +16631,7 @@ Object {
     0,
     21,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -17157,7 +17157,7 @@ Object {
     0,
     48,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -17717,7 +17717,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -18259,7 +18259,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -18837,7 +18837,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -19397,7 +19397,7 @@ Object {
     0,
     56,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -19879,7 +19879,7 @@ Object {
     0,
     26,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -20255,7 +20255,7 @@ Object {
     0,
     34,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -20647,7 +20647,7 @@ Object {
     0,
     28,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -20980,7 +20980,7 @@ Object {
     0,
     28,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -21258,7 +21258,7 @@ Object {
     0,
     20,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -21499,7 +21499,7 @@ Object {
     0,
     11,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -21686,7 +21686,7 @@ Object {
     0,
     11,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -21873,7 +21873,7 @@ Object {
     0,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -22096,7 +22096,7 @@ Object {
     0,
     21,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -22302,7 +22302,7 @@ Object {
     0,
     10,
   ],
-  "sourceType": "script",
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-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -75392,7 +75392,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -75747,7 +75747,7 @@ Object {
     0,
     31,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -76119,7 +76119,7 @@ Object {
     0,
     26,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -76360,7 +76360,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -76458,7 +76458,7 @@ Object {
     0,
     8,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -76556,7 +76556,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -77266,7 +77266,7 @@ Object {
     0,
     43,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -89169,7 +89169,7 @@ Object {
     0,
     20,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -89487,7 +89487,7 @@ Object {
     0,
     45,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -89895,7 +89895,7 @@ Object {
     0,
     41,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -90324,7 +90324,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -90736,7 +90736,7 @@ Object {
     0,
     19,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -91227,7 +91227,7 @@ Object {
     0,
     32,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -91799,7 +91799,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -92154,7 +92154,7 @@ Object {
     0,
     28,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -92476,7 +92476,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -92814,7 +92814,7 @@ Object {
     0,
     21,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -93171,7 +93171,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -93747,7 +93747,7 @@ Object {
     0,
     81,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -94451,7 +94451,7 @@ Object {
     0,
     85,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -95082,7 +95082,7 @@ Object {
     0,
     53,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -95607,7 +95607,7 @@ Object {
     0,
     57,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -96094,7 +96094,7 @@ Object {
     0,
     51,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -96540,7 +96540,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -96932,7 +96932,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -97324,7 +97324,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -97735,7 +97735,7 @@ Object {
     0,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -98146,7 +98146,7 @@ Object {
     0,
     32,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -98560,7 +98560,7 @@ Object {
     0,
     53,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -99211,7 +99211,7 @@ Object {
     0,
     67,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -99599,7 +99599,7 @@ Object {
     0,
     7,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -99734,7 +99734,7 @@ Object {
     0,
     21,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -99868,7 +99868,7 @@ Object {
     0,
     7,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -100008,7 +100008,7 @@ Object {
     0,
     18,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -100206,7 +100206,7 @@ Object {
     0,
     42,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -100404,7 +100404,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -100602,7 +100602,7 @@ Object {
     0,
     18,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -100800,7 +100800,7 @@ Object {
     0,
     18,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -101048,7 +101048,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -101441,7 +101441,7 @@ Object {
     0,
     44,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -101834,7 +101834,7 @@ Object {
     0,
     36,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -102151,7 +102151,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -102486,7 +102486,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -102841,7 +102841,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -103214,7 +103214,7 @@ Object {
     0,
     29,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -103642,7 +103642,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -103976,7 +103976,7 @@ Object {
     0,
     20,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -104275,7 +104275,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -104552,7 +104552,7 @@ Object {
     0,
     14,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -104811,7 +104811,7 @@ Object {
     0,
     10,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -105205,7 +105205,7 @@ Object {
     0,
     46,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -105470,7 +105470,7 @@ Object {
     0,
     7,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -105631,7 +105631,7 @@ Object {
     0,
     40,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -106072,7 +106072,7 @@ Object {
     0,
     59,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -106491,7 +106491,7 @@ Object {
     0,
     111,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -106617,7 +106617,7 @@ Object {
     0,
     5,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -106776,7 +106776,7 @@ Object {
     0,
     13,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -106986,7 +106986,7 @@ Object {
     0,
     10,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -107407,7 +107407,7 @@ Object {
     0,
     76,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -107830,7 +107830,7 @@ Object {
     0,
     19,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -107929,7 +107929,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
diff --git a/tests/lib/__snapshots__/jsx.js.snap b/tests/lib/__snapshots__/jsx.js.snap
index 0f11194..08c6203 100644
--- a/tests/lib/__snapshots__/jsx.js.snap
+++ b/tests/lib/__snapshots__/jsx.js.snap
@@ -306,7 +306,7 @@ Object {
     0,
     45,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1052,7 +1052,7 @@ Object {
     0,
     60,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1657,7 +1657,7 @@ Object {
     0,
     33,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2136,7 +2136,7 @@ Object {
     0,
     28,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2705,7 +2705,7 @@ Object {
     0,
     42,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3107,7 +3107,7 @@ Object {
     0,
     10,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3782,7 +3782,7 @@ Object {
     0,
     84,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4467,7 +4467,7 @@ Object {
     0,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4746,7 +4746,7 @@ Object {
     0,
     14,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5111,7 +5111,7 @@ Object {
     0,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5586,7 +5586,7 @@ Object {
     0,
     46,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6027,7 +6027,7 @@ Object {
     0,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6290,7 +6290,7 @@ Object {
     0,
     6,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6612,7 +6612,7 @@ Object {
     0,
     25,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7039,7 +7039,7 @@ Object {
     0,
     20,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7462,7 +7462,7 @@ Object {
     0,
     36,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7813,7 +7813,7 @@ Object {
     0,
     19,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8178,7 +8178,7 @@ Object {
     0,
     12,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8667,7 +8667,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9108,7 +9108,7 @@ Object {
     0,
     25,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9547,7 +9547,7 @@ Object {
     0,
     54,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10025,7 +10025,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10401,7 +10401,7 @@ Object {
     0,
     25,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10790,7 +10790,7 @@ Object {
     0,
     25,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
diff --git a/tests/lib/__snapshots__/scope-analysis.js.snap b/tests/lib/__snapshots__/scope-analysis.js.snap
index 561adcd..a6b210a 100644
--- a/tests/lib/__snapshots__/scope-analysis.js.snap
+++ b/tests/lib/__snapshots__/scope-analysis.js.snap
@@ -1,8 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/535.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/535.ts 1`] = `
 Object {
-  "$id": 5,
+  "$id": 6,
   "block": Object {
     "range": Array [
       0,
@@ -12,75 +12,149 @@ Object {
   },
   "childScopes": Array [
     Object {
-      "$id": 4,
+      "$id": 5,
       "block": Object {
         "range": Array [
           0,
-          51,
+          52,
         ],
-        "type": "FunctionDeclaration",
+        "type": "Program",
       },
-      "childScopes": Array [],
-      "functionExpressionScope": false,
-      "isStrict": false,
-      "references": Array [
+      "childScopes": Array [
         Object {
-          "$id": 3,
-          "from": Object {
-            "$ref": 4,
-          },
-          "identifier": Object {
-            "name": "bar",
+          "$id": 4,
+          "block": Object {
             "range": Array [
-              45,
-              48,
+              0,
+              51,
             ],
-            "type": "Identifier",
+            "type": "FunctionDeclaration",
           },
-          "kind": "r",
-          "resolved": Object {
-            "$ref": 2,
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [
+            Object {
+              "$id": 3,
+              "from": Object {
+                "$ref": 4,
+              },
+              "identifier": Object {
+                "name": "bar",
+                "range": Array [
+                  45,
+                  48,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "r",
+              "resolved": Object {
+                "$ref": 2,
+              },
+              "writeExpr": undefined,
+            },
+          ],
+          "throughReferences": Array [],
+          "type": "function",
+          "upperScope": Object {
+            "$ref": 5,
           },
-          "writeExpr": undefined,
+          "variableMap": Object {
+            "arguments": Object {
+              "$ref": 1,
+            },
+            "bar": Object {
+              "$ref": 2,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 4,
+          },
+          "variables": Array [
+            Object {
+              "$id": 1,
+              "defs": Array [],
+              "eslintUsed": undefined,
+              "identifiers": Array [],
+              "name": "arguments",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 4,
+              },
+            },
+            Object {
+              "$id": 2,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "bar",
+                    "range": Array [
+                      15,
+                      18,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      0,
+                      51,
+                    ],
+                    "type": "FunctionDeclaration",
+                  },
+                  "parent": null,
+                  "type": "Parameter",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "bar",
+                  "range": Array [
+                    15,
+                    18,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "bar",
+              "references": Array [
+                Object {
+                  "$ref": 3,
+                },
+              ],
+              "scope": Object {
+                "$ref": 4,
+              },
+            },
+          ],
         },
       ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
       "throughReferences": Array [],
-      "type": "function",
+      "type": "module",
       "upperScope": Object {
-        "$ref": 5,
+        "$ref": 6,
       },
       "variableMap": Object {
-        "arguments": Object {
-          "$ref": 1,
-        },
-        "bar": Object {
-          "$ref": 2,
+        "foo": Object {
+          "$ref": 0,
         },
       },
       "variableScope": Object {
-        "$ref": 4,
+        "$ref": 5,
       },
       "variables": Array [
         Object {
-          "$id": 1,
-          "defs": Array [],
-          "eslintUsed": undefined,
-          "identifiers": Array [],
-          "name": "arguments",
-          "references": Array [],
-          "scope": Object {
-            "$ref": 4,
-          },
-        },
-        Object {
-          "$id": 2,
+          "$id": 0,
           "defs": Array [
             Object {
               "name": Object {
-                "name": "bar",
+                "name": "foo",
                 "range": Array [
-                  15,
-                  18,
+                  9,
+                  12,
                 ],
                 "type": "Identifier",
               },
@@ -92,28 +166,24 @@ Object {
                 "type": "FunctionDeclaration",
               },
               "parent": null,
-              "type": "Parameter",
+              "type": "FunctionName",
             },
           ],
           "eslintUsed": undefined,
           "identifiers": Array [
             Object {
-              "name": "bar",
+              "name": "foo",
               "range": Array [
-                15,
-                18,
+                9,
+                12,
               ],
               "type": "Identifier",
             },
           ],
-          "name": "bar",
-          "references": Array [
-            Object {
-              "$ref": 3,
-            },
-          ],
+          "name": "foo",
+          "references": Array [],
           "scope": Object {
-            "$ref": 4,
+            "$ref": 5,
           },
         },
       ],
@@ -125,62 +195,17 @@ Object {
   "throughReferences": Array [],
   "type": "global",
   "upperScope": null,
-  "variableMap": Object {
-    "foo": Object {
-      "$ref": 0,
-    },
-  },
+  "variableMap": Object {},
   "variableScope": Object {
-    "$ref": 5,
+    "$ref": 6,
   },
-  "variables": Array [
-    Object {
-      "$id": 0,
-      "defs": Array [
-        Object {
-          "name": Object {
-            "name": "foo",
-            "range": Array [
-              9,
-              12,
-            ],
-            "type": "Identifier",
-          },
-          "node": Object {
-            "range": Array [
-              0,
-              51,
-            ],
-            "type": "FunctionDeclaration",
-          },
-          "parent": null,
-          "type": "FunctionName",
-        },
-      ],
-      "eslintUsed": undefined,
-      "identifiers": Array [
-        Object {
-          "name": "foo",
-          "range": Array [
-            9,
-            12,
-          ],
-          "type": "Identifier",
-        },
-      ],
-      "name": "foo",
-      "references": Array [],
-      "scope": Object {
-        "$ref": 5,
-      },
-    },
-  ],
+  "variables": Array [],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/abstract-class.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/abstract-class.ts 1`] = `
 Object {
-  "$id": 2,
+  "$id": 3,
   "block": Object {
     "range": Array [
       0,
@@ -190,73 +215,98 @@ Object {
   },
   "childScopes": Array [
     Object {
-      "$id": 1,
+      "$id": 2,
       "block": Object {
         "range": Array [
           0,
-          68,
+          69,
         ],
-        "type": "TSAbstractClassDeclaration",
-      },
-      "childScopes": Array [],
-      "functionExpressionScope": false,
-      "isStrict": true,
-      "references": Array [],
-      "throughReferences": Array [],
-      "type": "class",
-      "upperScope": Object {
-        "$ref": 2,
-      },
-      "variableMap": Object {
-        "A": Object {
-          "$ref": 0,
-        },
-      },
-      "variableScope": Object {
-        "$ref": 2,
+        "type": "Program",
       },
-      "variables": Array [
+      "childScopes": Array [
         Object {
-          "$id": 0,
-          "defs": Array [
-            Object {
-              "name": Object {
-                "name": "A",
-                "range": Array [
-                  15,
-                  16,
-                ],
-                "type": "Identifier",
-              },
-              "node": Object {
-                "range": Array [
-                  0,
-                  68,
-                ],
-                "type": "TSAbstractClassDeclaration",
-              },
-              "parent": undefined,
-              "type": "ClassName",
+          "$id": 1,
+          "block": Object {
+            "range": Array [
+              0,
+              68,
+            ],
+            "type": "TSAbstractClassDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [],
+          "type": "class",
+          "upperScope": Object {
+            "$ref": 2,
+          },
+          "variableMap": Object {
+            "A": Object {
+              "$ref": 0,
             },
-          ],
-          "eslintUsed": undefined,
-          "identifiers": Array [
+          },
+          "variableScope": Object {
+            "$ref": 2,
+          },
+          "variables": Array [
             Object {
-              "name": "A",
-              "range": Array [
-                15,
-                16,
+              "$id": 0,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "A",
+                    "range": Array [
+                      15,
+                      16,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      0,
+                      68,
+                    ],
+                    "type": "TSAbstractClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
               ],
-              "type": "Identifier",
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "A",
+                  "range": Array [
+                    15,
+                    16,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "A",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 1,
+              },
             },
           ],
-          "name": "A",
-          "references": Array [],
-          "scope": Object {
-            "$ref": 1,
-          },
         },
       ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 3,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 2,
+      },
+      "variables": Array [],
     },
   ],
   "functionExpressionScope": false,
@@ -267,15 +317,15 @@ Object {
   "upperScope": null,
   "variableMap": Object {},
   "variableScope": Object {
-    "$ref": 2,
+    "$ref": 3,
   },
   "variables": Array [],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/class-implements.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/class-implements.ts 1`] = `
 Object {
-  "$id": 3,
+  "$id": 4,
   "block": Object {
     "range": Array [
       0,
@@ -285,26 +335,96 @@ Object {
   },
   "childScopes": Array [
     Object {
-      "$id": 2,
+      "$id": 3,
       "block": Object {
         "range": Array [
           0,
-          82,
+          83,
         ],
-        "type": "ClassDeclaration",
+        "type": "Program",
       },
-      "childScopes": Array [],
+      "childScopes": Array [
+        Object {
+          "$id": 2,
+          "block": Object {
+            "range": Array [
+              0,
+              82,
+            ],
+            "type": "ClassDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [],
+          "type": "class",
+          "upperScope": Object {
+            "$ref": 3,
+          },
+          "variableMap": Object {
+            "Foo": Object {
+              "$ref": 1,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 3,
+          },
+          "variables": Array [
+            Object {
+              "$id": 1,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "Foo",
+                    "range": Array [
+                      6,
+                      9,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      0,
+                      82,
+                    ],
+                    "type": "ClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "Foo",
+                  "range": Array [
+                    6,
+                    9,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "Foo",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 2,
+              },
+            },
+          ],
+        },
+      ],
       "functionExpressionScope": false,
       "isStrict": true,
       "references": Array [],
       "throughReferences": Array [],
-      "type": "class",
+      "type": "module",
       "upperScope": Object {
-        "$ref": 3,
+        "$ref": 4,
       },
       "variableMap": Object {
         "Foo": Object {
-          "$ref": 1,
+          "$ref": 0,
         },
       },
       "variableScope": Object {
@@ -312,7 +432,7 @@ Object {
       },
       "variables": Array [
         Object {
-          "$id": 1,
+          "$id": 0,
           "defs": Array [
             Object {
               "name": Object {
@@ -330,7 +450,7 @@ Object {
                 ],
                 "type": "ClassDeclaration",
               },
-              "parent": undefined,
+              "parent": null,
               "type": "ClassName",
             },
           ],
@@ -348,7 +468,7 @@ Object {
           "name": "Foo",
           "references": Array [],
           "scope": Object {
-            "$ref": 2,
+            "$ref": 3,
           },
         },
       ],
@@ -360,62 +480,17 @@ Object {
   "throughReferences": Array [],
   "type": "global",
   "upperScope": null,
-  "variableMap": Object {
-    "Foo": Object {
-      "$ref": 0,
-    },
-  },
+  "variableMap": Object {},
   "variableScope": Object {
-    "$ref": 3,
+    "$ref": 4,
   },
-  "variables": Array [
-    Object {
-      "$id": 0,
-      "defs": Array [
-        Object {
-          "name": Object {
-            "name": "Foo",
-            "range": Array [
-              6,
-              9,
-            ],
-            "type": "Identifier",
-          },
-          "node": Object {
-            "range": Array [
-              0,
-              82,
-            ],
-            "type": "ClassDeclaration",
-          },
-          "parent": null,
-          "type": "ClassName",
-        },
-      ],
-      "eslintUsed": undefined,
-      "identifiers": Array [
-        Object {
-          "name": "Foo",
-          "range": Array [
-            6,
-            9,
-          ],
-          "type": "Identifier",
-        },
-      ],
-      "name": "Foo",
-      "references": Array [],
-      "scope": Object {
-        "$ref": 3,
-      },
-    },
-  ],
+  "variables": Array [],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/class-properties.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/class-properties.ts 1`] = `
 Object {
-  "$id": 8,
+  "$id": 9,
   "block": Object {
     "range": Array [
       0,
@@ -425,72 +500,192 @@ Object {
   },
   "childScopes": Array [
     Object {
-      "$id": 7,
+      "$id": 8,
       "block": Object {
         "range": Array [
-          19,
-          62,
+          0,
+          63,
         ],
-        "type": "ClassDeclaration",
+        "type": "Program",
       },
-      "childScopes": Array [],
-      "functionExpressionScope": false,
-      "isStrict": true,
-      "references": Array [
+      "childScopes": Array [
         Object {
-          "$id": 5,
-          "from": Object {
-            "$ref": 7,
-          },
-          "identifier": Object {
-            "name": "s",
+          "$id": 7,
+          "block": Object {
             "range": Array [
-              43,
-              44,
+              19,
+              62,
             ],
-            "type": "Identifier",
-          },
-          "kind": "r",
-          "resolved": Object {
-            "$ref": 0,
-          },
-          "writeExpr": undefined,
-        },
-        Object {
-          "$id": 6,
-          "from": Object {
-            "$ref": 7,
+            "type": "ClassDeclaration",
           },
-          "identifier": Object {
-            "name": "s",
-            "range": Array [
-              50,
-              51,
-            ],
-            "type": "Identifier",
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [
+            Object {
+              "$id": 5,
+              "from": Object {
+                "$ref": 7,
+              },
+              "identifier": Object {
+                "name": "s",
+                "range": Array [
+                  43,
+                  44,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "r",
+              "resolved": Object {
+                "$ref": 0,
+              },
+              "writeExpr": undefined,
+            },
+            Object {
+              "$id": 6,
+              "from": Object {
+                "$ref": 7,
+              },
+              "identifier": Object {
+                "name": "s",
+                "range": Array [
+                  50,
+                  51,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "r",
+              "resolved": Object {
+                "$ref": 0,
+              },
+              "writeExpr": undefined,
+            },
+          ],
+          "throughReferences": Array [
+            Object {
+              "$ref": 5,
+            },
+            Object {
+              "$ref": 6,
+            },
+          ],
+          "type": "class",
+          "upperScope": Object {
+            "$ref": 8,
           },
-          "kind": "r",
+          "variableMap": Object {
+            "A": Object {
+              "$ref": 4,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 8,
+          },
+          "variables": Array [
+            Object {
+              "$id": 4,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "A",
+                    "range": Array [
+                      25,
+                      26,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      19,
+                      62,
+                    ],
+                    "type": "ClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "A",
+                  "range": Array [
+                    25,
+                    26,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "A",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 7,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 2,
+          "from": Object {
+            "$ref": 8,
+          },
+          "identifier": Object {
+            "name": "s",
+            "range": Array [
+              6,
+              7,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "w",
           "resolved": Object {
             "$ref": 0,
           },
+          "writeExpr": Object {
+            "range": Array [
+              10,
+              18,
+            ],
+            "type": "CallExpression",
+          },
+        },
+        Object {
+          "$id": 3,
+          "from": Object {
+            "$ref": 8,
+          },
+          "identifier": Object {
+            "name": "Symbol",
+            "range": Array [
+              10,
+              16,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
           "writeExpr": undefined,
         },
       ],
       "throughReferences": Array [
         Object {
-          "$ref": 5,
-        },
-        Object {
-          "$ref": 6,
+          "$ref": 3,
         },
       ],
-      "type": "class",
+      "type": "module",
       "upperScope": Object {
-        "$ref": 8,
+        "$ref": 9,
       },
       "variableMap": Object {
         "A": Object {
-          "$ref": 4,
+          "$ref": 1,
+        },
+        "s": Object {
+          "$ref": 0,
         },
       },
       "variableScope": Object {
@@ -498,7 +693,63 @@ Object {
       },
       "variables": Array [
         Object {
-          "$id": 4,
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "s",
+                "range": Array [
+                  6,
+                  7,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  6,
+                  18,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  18,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "s",
+              "range": Array [
+                6,
+                7,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "s",
+          "references": Array [
+            Object {
+              "$ref": 2,
+            },
+            Object {
+              "$ref": 5,
+            },
+            Object {
+              "$ref": 6,
+            },
+          ],
+          "scope": Object {
+            "$ref": 8,
+          },
+        },
+        Object {
+          "$id": 1,
           "defs": Array [
             Object {
               "name": Object {
@@ -516,7 +767,7 @@ Object {
                 ],
                 "type": "ClassDeclaration",
               },
-              "parent": undefined,
+              "parent": null,
               "type": "ClassName",
             },
           ],
@@ -534,7 +785,7 @@ Object {
           "name": "A",
           "references": Array [],
           "scope": Object {
-            "$ref": 7,
+            "$ref": 8,
           },
         },
       ],
@@ -542,50 +793,7 @@ Object {
   ],
   "functionExpressionScope": false,
   "isStrict": false,
-  "references": Array [
-    Object {
-      "$id": 2,
-      "from": Object {
-        "$ref": 8,
-      },
-      "identifier": Object {
-        "name": "s",
-        "range": Array [
-          6,
-          7,
-        ],
-        "type": "Identifier",
-      },
-      "kind": "w",
-      "resolved": Object {
-        "$ref": 0,
-      },
-      "writeExpr": Object {
-        "range": Array [
-          10,
-          18,
-        ],
-        "type": "CallExpression",
-      },
-    },
-    Object {
-      "$id": 3,
-      "from": Object {
-        "$ref": 8,
-      },
-      "identifier": Object {
-        "name": "Symbol",
-        "range": Array [
-          10,
-          16,
-        ],
-        "type": "Identifier",
-      },
-      "kind": "r",
-      "resolved": null,
-      "writeExpr": undefined,
-    },
-  ],
+  "references": Array [],
   "throughReferences": Array [
     Object {
       "$ref": 3,
@@ -593,18 +801,10468 @@ Object {
   ],
   "type": "global",
   "upperScope": null,
-  "variableMap": Object {
-    "A": Object {
-      "$ref": 1,
-    },
-    "s": Object {
-      "$ref": 0,
-    },
-  },
+  "variableMap": Object {},
   "variableScope": Object {
-    "$ref": 8,
+    "$ref": 9,
   },
-  "variables": Array [
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/class-supper-type.ts 1`] = `
+Object {
+  "$id": 12,
+  "block": Object {
+    "range": Array [
+      0,
+      117,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 11,
+      "block": Object {
+        "range": Array [
+          0,
+          117,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 6,
+          "block": Object {
+            "range": Array [
+              0,
+              40,
+            ],
+            "type": "TSAbstractClassDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [],
+          "type": "class",
+          "upperScope": Object {
+            "$ref": 11,
+          },
+          "variableMap": Object {
+            "Foo": Object {
+              "$ref": 5,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 11,
+          },
+          "variables": Array [
+            Object {
+              "$id": 5,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "Foo",
+                    "range": Array [
+                      15,
+                      18,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      0,
+                      40,
+                    ],
+                    "type": "TSAbstractClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "Foo",
+                  "range": Array [
+                    15,
+                    18,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "Foo",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 6,
+              },
+            },
+          ],
+        },
+        Object {
+          "$id": 8,
+          "block": Object {
+            "range": Array [
+              42,
+              82,
+            ],
+            "type": "ClassDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [],
+          "type": "class",
+          "upperScope": Object {
+            "$ref": 11,
+          },
+          "variableMap": Object {
+            "Foo2": Object {
+              "$ref": 7,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 11,
+          },
+          "variables": Array [
+            Object {
+              "$id": 7,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "Foo2",
+                    "range": Array [
+                      56,
+                      60,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      42,
+                      82,
+                    ],
+                    "type": "ClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "Foo2",
+                  "range": Array [
+                    56,
+                    60,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "Foo2",
+              "references": Array [],
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+          "identifiers": Array [
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+                "type": "ClassDeclaration",
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+          "identifiers": Array [
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+          "references": Array [],
+          "scope": Object {
+            "$ref": 11,
+          },
+        },
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+  ],
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+  "isStrict": false,
+  "references": Array [],
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+    },
+    Object {
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+    Object {
+      "$ref": 4,
+    },
+  ],
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+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 12,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/computed-properties-in-interface.ts 1`] = `
+Object {
+  "$id": 9,
+  "block": Object {
+    "range": Array [
+      0,
+      110,
+    ],
+    "type": "Program",
+  },
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+      "block": Object {
+        "range": Array [
+          0,
+          110,
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+        "type": "Program",
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+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
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+          "identifier": Object {
+            "name": "s1",
+            "range": Array [
+              6,
+              8,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "w",
+          "resolved": Object {
+            "$ref": 0,
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+            "type": "CallExpression",
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+          "identifiers": Array [
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+              "type": "Identifier",
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+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
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+                  0,
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+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
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+          ],
+          "name": "s2",
+          "references": Array [
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+            },
+            Object {
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+            },
+          ],
+          "scope": Object {
+            "$ref": 8,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 3,
+    },
+    Object {
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+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 9,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/computed-properties-in-type.ts 1`] = `
+Object {
+  "$id": 9,
+  "block": Object {
+    "range": Array [
+      0,
+      107,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 8,
+      "block": Object {
+        "range": Array [
+          0,
+          107,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 2,
+          "from": Object {
+            "$ref": 8,
+          },
+          "identifier": Object {
+            "name": "s1",
+            "range": Array [
+              6,
+              8,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "w",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": Object {
+            "range": Array [
+              11,
+              19,
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+            "type": "CallExpression",
+          },
+        },
+        Object {
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+          "from": Object {
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+          },
+          "identifier": Object {
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+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+        Object {
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+            "type": "Identifier",
+          },
+          "kind": "w",
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+            "$ref": 1,
+          },
+          "writeExpr": Object {
+            "range": Array [
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+            ],
+            "type": "CallExpression",
+          },
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+              32,
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+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+        Object {
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+          "from": Object {
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+        },
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+      "upperScope": Object {
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+      },
+      "variableMap": Object {
+        "s1": Object {
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+        },
+        "s2": Object {
+          "$ref": 1,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 8,
+      },
+      "variables": Array [
+        Object {
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+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "s1",
+                "range": Array [
+                  6,
+                  8,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  6,
+                  19,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
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+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
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+              "range": Array [
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+                8,
+              ],
+              "type": "Identifier",
+            },
+          ],
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+            },
+            Object {
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+            },
+          ],
+          "scope": Object {
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+          },
+        },
+        Object {
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+          "defs": Array [
+            Object {
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+                  23,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
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+                  34,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  34,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "s2",
+              "range": Array [
+                21,
+                23,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "s2",
+          "references": Array [
+            Object {
+              "$ref": 4,
+            },
+            Object {
+              "$ref": 7,
+            },
+          ],
+          "scope": Object {
+            "$ref": 8,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 3,
+    },
+    Object {
+      "$ref": 5,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 9,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/declare-function.ts 1`] = `
+Object {
+  "$id": 3,
+  "block": Object {
+    "range": Array [
+      0,
+      40,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 2,
+      "block": Object {
+        "range": Array [
+          0,
+          40,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 1,
+          "from": Object {
+            "$ref": 2,
+          },
+          "identifier": Object {
+            "name": "f",
+            "range": Array [
+              38,
+              39,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 3,
+      },
+      "variableMap": Object {
+        "f": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 2,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "f",
+                "range": Array [
+                  17,
+                  18,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  0,
+                  37,
+                ],
+                "type": "TSDeclareFunction",
+              },
+              "parent": null,
+              "type": "FunctionName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "f",
+              "range": Array [
+                17,
+                18,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "f",
+          "references": Array [
+            Object {
+              "$ref": 1,
+            },
+          ],
+          "scope": Object {
+            "$ref": 2,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 3,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/declare-global.ts 1`] = `
+Object {
+  "$id": 3,
+  "block": Object {
+    "range": Array [
+      0,
+      55,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 2,
+      "block": Object {
+        "range": Array [
+          0,
+          55,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 1,
+          "from": Object {
+            "$ref": 2,
+          },
+          "identifier": Object {
+            "name": "C",
+            "range": Array [
+              38,
+              39,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "w",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": Object {
+            "range": Array [
+              42,
+              43,
+            ],
+            "type": "Literal",
+          },
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 1,
+        },
+      ],
+      "type": "module",
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+              34,
+            ],
+            "type": "VariableDeclaration",
+          },
+          "type": "Variable",
+        },
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+      "identifiers": Array [
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+        },
+      ],
+      "scope": Object {
+        "$ref": 3,
+      },
+    },
+  ],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/declare-module.ts 1`] = `
+Object {
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+                "type": "Identifier",
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+              "node": Object {
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+                "type": "VariableDeclarator",
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+                "type": "VariableDeclaration",
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+              "type": "Variable",
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+          ],
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+          "identifiers": Array [
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+          "references": Array [
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+            Object {
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+            },
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+          "scope": Object {
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+          },
+        },
+      ],
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+  ],
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+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 8,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/decorators.ts 1`] = `
+Object {
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+  "block": Object {
+    "range": Array [
+      0,
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+              "defs": Array [],
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+                    "type": "FunctionDeclaration",
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+                },
+              ],
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+              "identifiers": Array [
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+              },
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+          "defs": Array [
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+          "references": Array [],
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+      ],
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+  "isStrict": false,
+  "references": Array [],
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+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 19,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/enum.ts 1`] = `
+Object {
+  "$id": 15,
+  "block": Object {
+    "range": Array [
+      0,
+      71,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
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+      "block": Object {
+        "range": Array [
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+        "type": "Program",
+      },
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+          "block": Object {
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+            "type": "TSEnumDeclaration",
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+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
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+              "from": Object {
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+                  "parent": undefined,
+                  "type": "EnumMemberName",
+                },
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+              "eslintUsed": undefined,
+              "identifiers": Array [
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+                    34,
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+                  "type": "Identifier",
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+              "name": "A",
+              "references": Array [
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+                Object {
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+                },
+              ],
+              "scope": Object {
+                "$ref": 13,
+              },
+            },
+            Object {
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+              "defs": Array [
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+                  "type": "EnumMemberName",
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+                    "type": "TSEnumMember",
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+                  "parent": undefined,
+                  "type": "EnumMemberName",
+                },
+              ],
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+              "identifiers": Array [
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+                  "name": "C",
+                  "range": Array [
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+                    60,
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+                  "type": "Identifier",
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+      "type": "module",
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+        "a": Object {
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+      },
+      "variables": Array [
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+                "type": "VariableDeclarator",
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+              "parent": Object {
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+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
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+              "range": Array [
+                6,
+                15,
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+              "type": "Identifier",
+            },
+          ],
+          "name": "a",
+          "references": Array [
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+            Object {
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+            },
+            Object {
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+            },
+          ],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+        Object {
+          "$id": 1,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "E",
+                "range": Array [
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+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
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+                ],
+                "type": "TSEnumDeclaration",
+              },
+              "parent": undefined,
+              "type": "EnumName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "E",
+              "range": Array [
+                25,
+                26,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "E",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 15,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/enum-string.ts 1`] = `
+Object {
+  "$id": 5,
+  "block": Object {
+    "range": Array [
+      0,
+      29,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 4,
+      "block": Object {
+        "range": Array [
+          0,
+          29,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 3,
+          "block": Object {
+            "range": Array [
+              0,
+              28,
+            ],
+            "type": "TSEnumDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [
+            Object {
+              "$id": 2,
+              "from": Object {
+                "$ref": 3,
+              },
+              "identifier": Object {
+                "name": "BAR",
+                "range": Array [
+                  15,
+                  18,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "w",
+              "resolved": Object {
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+              },
+              "writeExpr": Object {
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+                "type": "Literal",
+              },
+            },
+          ],
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+          "type": "enum",
+          "upperScope": Object {
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+          },
+          "variableMap": Object {
+            "BAR": Object {
+              "$ref": 1,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 4,
+          },
+          "variables": Array [
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+              "defs": Array [
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+                    ],
+                    "type": "Identifier",
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+                      26,
+                    ],
+                    "type": "TSEnumMember",
+                  },
+                  "parent": undefined,
+                  "type": "EnumMemberName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "BAR",
+                  "range": Array [
+                    15,
+                    18,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "BAR",
+              "references": Array [
+                Object {
+                  "$ref": 2,
+                },
+              ],
+              "scope": Object {
+                "$ref": 3,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 5,
+      },
+      "variableMap": Object {
+        "Foo": Object {
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+        },
+      },
+      "variableScope": Object {
+        "$ref": 4,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "Foo",
+                "range": Array [
+                  5,
+                  8,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
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+                  28,
+                ],
+                "type": "TSEnumDeclaration",
+              },
+              "parent": undefined,
+              "type": "EnumName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "Foo",
+              "range": Array [
+                5,
+                8,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "Foo",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 5,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/export-as-namespace.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
+      0,
+      23,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 1,
+      "block": Object {
+        "range": Array [
+          0,
+          23,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 0,
+          "from": Object {
+            "$ref": 1,
+          },
+          "identifier": Object {
+            "name": "a",
+            "range": Array [
+              20,
+              21,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 0,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 2,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 0,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/expression-as.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
+      0,
+      27,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 1,
+      "block": Object {
+        "range": Array [
+          0,
+          27,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 0,
+          "from": Object {
+            "$ref": 1,
+          },
+          "identifier": Object {
+            "name": "a",
+            "range": Array [
+              1,
+              2,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 0,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 2,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 0,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/expression-type-parameters.ts 1`] = `
+Object {
+  "$id": 15,
+  "block": Object {
+    "range": Array [
+      0,
+      67,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 14,
+      "block": Object {
+        "range": Array [
+          0,
+          67,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 6,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "foo",
+            "range": Array [
+              28,
+              31,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 7,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "a",
+            "range": Array [
+              37,
+              38,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 8,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "b",
+            "range": Array [
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+              41,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 1,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 9,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "c",
+            "range": Array [
+              43,
+              44,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 2,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 10,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "baz",
+            "range": Array [
+              48,
+              51,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 11,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "d",
+            "range": Array [
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+              58,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 3,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
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+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "e",
+            "range": Array [
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+              61,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 4,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 13,
+          "from": Object {
+            "$ref": 14,
+          },
+          "identifier": Object {
+            "name": "f",
+            "range": Array [
+              63,
+              64,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 5,
+          },
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 6,
+        },
+        Object {
+          "$ref": 10,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 15,
+      },
+      "variableMap": Object {
+        "a": Object {
+          "$ref": 0,
+        },
+        "b": Object {
+          "$ref": 1,
+        },
+        "c": Object {
+          "$ref": 2,
+        },
+        "d": Object {
+          "$ref": 3,
+        },
+        "e": Object {
+          "$ref": 4,
+        },
+        "f": Object {
+          "$ref": 5,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 14,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "a",
+                "range": Array [
+                  6,
+                  7,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  6,
+                  7,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
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+              "type": "Variable",
+            },
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+          "identifiers": Array [
+            Object {
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+          "scope": Object {
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+          },
+        },
+        Object {
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+          "defs": Array [
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+                "type": "Identifier",
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+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  22,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "b",
+              "range": Array [
+                9,
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+              "type": "Identifier",
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+          "name": "b",
+          "references": Array [
+            Object {
+              "$ref": 8,
+            },
+          ],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+        Object {
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+          "defs": Array [
+            Object {
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+                "range": Array [
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+                  13,
+                ],
+                "type": "Identifier",
+              },
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+                "range": Array [
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+                  13,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  22,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "c",
+              "range": Array [
+                12,
+                13,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "c",
+          "references": Array [
+            Object {
+              "$ref": 9,
+            },
+          ],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+        Object {
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+          "defs": Array [
+            Object {
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+                  16,
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+                "type": "Identifier",
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+              "node": Object {
+                "range": Array [
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+                  16,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  22,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "d",
+              "range": Array [
+                15,
+                16,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "d",
+          "references": Array [
+            Object {
+              "$ref": 11,
+            },
+          ],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+        Object {
+          "$id": 4,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "e",
+                "range": Array [
+                  18,
+                  19,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  18,
+                  19,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  22,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "e",
+              "range": Array [
+                18,
+                19,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "e",
+          "references": Array [
+            Object {
+              "$ref": 12,
+            },
+          ],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+        Object {
+          "$id": 5,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "f",
+                "range": Array [
+                  21,
+                  22,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  21,
+                  22,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  22,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "f",
+              "range": Array [
+                21,
+                22,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "f",
+          "references": Array [
+            Object {
+              "$ref": 13,
+            },
+          ],
+          "scope": Object {
+            "$ref": 14,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 6,
+    },
+    Object {
+      "$ref": 10,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 15,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/function-overload.ts 1`] = `
+Object {
+  "$id": 5,
+  "block": Object {
+    "range": Array [
+      0,
+      101,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 4,
+      "block": Object {
+        "range": Array [
+          0,
+          101,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 3,
+          "block": Object {
+            "range": Array [
+              47,
+              100,
+            ],
+            "type": "FunctionDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [],
+          "type": "function",
+          "upperScope": Object {
+            "$ref": 4,
+          },
+          "variableMap": Object {
+            "a": Object {
+              "$ref": 2,
+            },
+            "arguments": Object {
+              "$ref": 1,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 3,
+          },
+          "variables": Array [
+            Object {
+              "$id": 1,
+              "defs": Array [],
+              "eslintUsed": undefined,
+              "identifiers": Array [],
+              "name": "arguments",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 3,
+              },
+            },
+            Object {
+              "$id": 2,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "a",
+                    "range": Array [
+                      58,
+                      68,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      47,
+                      100,
+                    ],
+                    "type": "FunctionDeclaration",
+                  },
+                  "parent": null,
+                  "type": "Parameter",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "a",
+                  "range": Array [
+                    58,
+                    68,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "a",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 3,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 5,
+      },
+      "variableMap": Object {
+        "f": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 4,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "f",
+                "range": Array [
+                  56,
+                  57,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  47,
+                  100,
+                ],
+                "type": "FunctionDeclaration",
+              },
+              "parent": null,
+              "type": "FunctionName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "f",
+              "range": Array [
+                56,
+                57,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "f",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 5,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/function-overload-2.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
+      0,
+      47,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 1,
+      "block": Object {
+        "range": Array [
+          0,
+          47,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 2,
+      },
+      "variableMap": Object {
+        "f": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "f",
+                "range": Array [
+                  9,
+                  10,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  0,
+                  18,
+                ],
+                "type": "TSDeclareFunction",
+              },
+              "parent": null,
+              "type": "FunctionName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "f",
+              "range": Array [
+                9,
+                10,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "f",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 1,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/identifier-decorators.ts 1`] = `
+Object {
+  "$id": 8,
+  "block": Object {
+    "range": Array [
+      0,
+      65,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 7,
+      "block": Object {
+        "range": Array [
+          0,
+          65,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 6,
+          "block": Object {
+            "range": Array [
+              7,
+              64,
+            ],
+            "type": "ClassDeclaration",
+          },
+          "childScopes": Array [
+            Object {
+              "$id": 5,
+              "block": Object {
+                "range": Array [
+                  35,
+                  62,
+                ],
+                "type": "FunctionExpression",
+              },
+              "childScopes": Array [],
+              "functionExpressionScope": false,
+              "isStrict": true,
+              "references": Array [
+                Object {
+                  "$id": 4,
+                  "from": Object {
+                    "$ref": 5,
+                  },
+                  "identifier": Object {
+                    "name": "Decorator",
+                    "range": Array [
+                      37,
+                      46,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "kind": "r",
+                  "resolved": null,
+                  "writeExpr": undefined,
+                },
+              ],
+              "throughReferences": Array [
+                Object {
+                  "$ref": 4,
+                },
+              ],
+              "type": "function",
+              "upperScope": Object {
+                "$ref": 6,
+              },
+              "variableMap": Object {
+                "arguments": Object {
+                  "$ref": 2,
+                },
+                "config": Object {
+                  "$ref": 3,
+                },
+              },
+              "variableScope": Object {
+                "$ref": 5,
+              },
+              "variables": Array [
+                Object {
+                  "$id": 2,
+                  "defs": Array [],
+                  "eslintUsed": undefined,
+                  "identifiers": Array [],
+                  "name": "arguments",
+                  "references": Array [],
+                  "scope": Object {
+                    "$ref": 5,
+                  },
+                },
+                Object {
+                  "$id": 3,
+                  "defs": Array [
+                    Object {
+                      "name": Object {
+                        "name": "config",
+                        "range": Array [
+                          47,
+                          53,
+                        ],
+                        "type": "Identifier",
+                      },
+                      "node": Object {
+                        "range": Array [
+                          35,
+                          62,
+                        ],
+                        "type": "FunctionExpression",
+                      },
+                      "parent": null,
+                      "type": "Parameter",
+                    },
+                  ],
+                  "eslintUsed": undefined,
+                  "identifiers": Array [
+                    Object {
+                      "name": "config",
+                      "range": Array [
+                        47,
+                        53,
+                      ],
+                      "type": "Identifier",
+                    },
+                  ],
+                  "name": "config",
+                  "references": Array [],
+                  "scope": Object {
+                    "$ref": 5,
+                  },
+                },
+              ],
+            },
+          ],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [
+            Object {
+              "$ref": 4,
+            },
+          ],
+          "type": "class",
+          "upperScope": Object {
+            "$ref": 7,
+          },
+          "variableMap": Object {
+            "Test": Object {
+              "$ref": 1,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 7,
+          },
+          "variables": Array [
+            Object {
+              "$id": 1,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "Test",
+                    "range": Array [
+                      13,
+                      17,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      7,
+                      64,
+                    ],
+                    "type": "ClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "Test",
+                  "range": Array [
+                    13,
+                    17,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "Test",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 6,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [
+        Object {
+          "$ref": 4,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 8,
+      },
+      "variableMap": Object {
+        "Test": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 7,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "Test",
+                "range": Array [
+                  13,
+                  17,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  7,
+                  64,
+                ],
+                "type": "ClassDeclaration",
+              },
+              "parent": null,
+              "type": "ClassName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "Test",
+              "range": Array [
+                13,
+                17,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "Test",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 7,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 4,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 8,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/ignore-type-only-stuff.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
+      0,
+      115,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 1,
+      "block": Object {
+        "range": Array [
+          0,
+          115,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 2,
+      },
+      "variableMap": Object {
+        "a": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "a",
+                "range": Array [
+                  110,
+                  114,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  110,
+                  114,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  106,
+                  114,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "a",
+              "range": Array [
+                110,
+                114,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "a",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 1,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/import-equals.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
+      0,
+      28,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 1,
+      "block": Object {
+        "range": Array [
+          0,
+          28,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 2,
+      },
+      "variableMap": Object {
+        "foo": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "foo",
+                "range": Array [
+                  7,
+                  10,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  0,
+                  27,
+                ],
+                "type": "TSImportEqualsDeclaration",
+              },
+              "parent": null,
+              "type": "ImportBinding",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "foo",
+              "range": Array [
+                7,
+                10,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "foo",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 1,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/interface-type.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      67,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 0,
+      "block": Object {
+        "range": Array [
+          0,
+          67,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 1,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 0,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/method-overload.ts 1`] = `
+Object {
+  "$id": 11,
+  "block": Object {
+    "range": Array [
+      0,
+      124,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
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+      "block": Object {
+        "range": Array [
+          0,
+          124,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
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+          "$id": 9,
+          "block": Object {
+            "range": Array [
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+              123,
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+            "type": "ClassDeclaration",
+          },
+          "childScopes": Array [
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+              "block": Object {
+                "range": Array [
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+                  121,
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+                "type": "FunctionExpression",
+              },
+              "childScopes": Array [],
+              "functionExpressionScope": false,
+              "isStrict": true,
+              "references": Array [],
+              "throughReferences": Array [],
+              "type": "function",
+              "upperScope": Object {
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+              },
+              "variableMap": Object {
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+                "arguments": Object {
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+              },
+              "variableScope": Object {
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+              },
+              "variables": Array [
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+                  "defs": Array [],
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+                  "identifiers": Array [],
+                  "name": "arguments",
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+                        "type": "Identifier",
+                      },
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+                        "range": Array [
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+                          121,
+                        ],
+                        "type": "FunctionExpression",
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+                      "parent": null,
+                      "type": "Parameter",
+                    },
+                  ],
+                  "eslintUsed": undefined,
+                  "identifiers": Array [
+                    Object {
+                      "name": "a",
+                      "range": Array [
+                        74,
+                        81,
+                      ],
+                      "type": "Identifier",
+                    },
+                  ],
+                  "name": "a",
+                  "references": Array [],
+                  "scope": Object {
+                    "$ref": 8,
+                  },
+                },
+              ],
+            },
+          ],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [
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+              "from": Object {
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+              },
+              "identifier": Object {
+                "name": "s",
+                "range": Array [
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+                  60,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "r",
+              "resolved": Object {
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+              },
+              "writeExpr": undefined,
+            },
+          ],
+          "throughReferences": Array [
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+          "type": "class",
+          "upperScope": Object {
+            "$ref": 10,
+          },
+          "variableMap": Object {
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+            },
+          },
+          "variableScope": Object {
+            "$ref": 10,
+          },
+          "variables": Array [
+            Object {
+              "$id": 4,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "A",
+                    "range": Array [
+                      25,
+                      26,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
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+                      123,
+                    ],
+                    "type": "ClassDeclaration",
+                  },
+                  "parent": undefined,
+                  "type": "ClassName",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "A",
+                  "range": Array [
+                    25,
+                    26,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "A",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 9,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
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+          "from": Object {
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+            "name": "s",
+            "range": Array [
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+              7,
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+            "type": "Identifier",
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+          "kind": "w",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": Object {
+            "range": Array [
+              10,
+              18,
+            ],
+            "type": "CallExpression",
+          },
+        },
+        Object {
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+          "from": Object {
+            "$ref": 10,
+          },
+          "identifier": Object {
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+              16,
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+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 3,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 11,
+      },
+      "variableMap": Object {
+        "A": Object {
+          "$ref": 1,
+        },
+        "s": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 10,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "s",
+                "range": Array [
+                  6,
+                  7,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  6,
+                  18,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  18,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "s",
+              "range": Array [
+                6,
+                7,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "s",
+          "references": Array [
+            Object {
+              "$ref": 2,
+            },
+            Object {
+              "$ref": 5,
+            },
+          ],
+          "scope": Object {
+            "$ref": 10,
+          },
+        },
+        Object {
+          "$id": 1,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "A",
+                "range": Array [
+                  25,
+                  26,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  19,
+                  123,
+                ],
+                "type": "ClassDeclaration",
+              },
+              "parent": null,
+              "type": "ClassName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "A",
+              "range": Array [
+                25,
+                26,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "A",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 10,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 3,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 11,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/namespace.ts 1`] = `
+Object {
+  "$id": 10,
+  "block": Object {
+    "range": Array [
+      0,
+      63,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 9,
+      "block": Object {
+        "range": Array [
+          0,
+          63,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 8,
+          "block": Object {
+            "range": Array [
+              24,
+              56,
+            ],
+            "type": "TSModuleBlock",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [
+            Object {
+              "$id": 6,
+              "from": Object {
+                "$ref": 8,
+              },
+              "identifier": Object {
+                "name": "a",
+                "range": Array [
+                  43,
+                  44,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "w",
+              "resolved": Object {
+                "$ref": 5,
+              },
+              "writeExpr": Object {
+                "range": Array [
+                  47,
+                  48,
+                ],
+                "type": "Literal",
+              },
+            },
+            Object {
+              "$id": 7,
+              "from": Object {
+                "$ref": 8,
+              },
+              "identifier": Object {
+                "name": "a",
+                "range": Array [
+                  53,
+                  54,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "r",
+              "resolved": Object {
+                "$ref": 5,
+              },
+              "writeExpr": undefined,
+            },
+          ],
+          "throughReferences": Array [],
+          "type": "block",
+          "upperScope": Object {
+            "$ref": 9,
+          },
+          "variableMap": Object {
+            "a": Object {
+              "$ref": 5,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 9,
+          },
+          "variables": Array [
+            Object {
+              "$id": 5,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "a",
+                    "range": Array [
+                      43,
+                      44,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      43,
+                      48,
+                    ],
+                    "type": "VariableDeclarator",
+                  },
+                  "parent": Object {
+                    "range": Array [
+                      37,
+                      48,
+                    ],
+                    "type": "VariableDeclaration",
+                  },
+                  "type": "Variable",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "a",
+                  "range": Array [
+                    43,
+                    44,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "a",
+              "references": Array [
+                Object {
+                  "$ref": 6,
+                },
+                Object {
+                  "$ref": 7,
+                },
+              ],
+              "scope": Object {
+                "$ref": 8,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 2,
+          "from": Object {
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+          },
+          "identifier": Object {
+            "name": "a",
+            "range": Array [
+              6,
+              7,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "w",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": Object {
+            "range": Array [
+              10,
+              11,
+            ],
+            "type": "Literal",
+          },
+        },
+        Object {
+          "$id": 3,
+          "from": Object {
+            "$ref": 9,
+          },
+          "identifier": Object {
+            "name": "a",
+            "range": Array [
+              57,
+              58,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 4,
+          "from": Object {
+            "$ref": 9,
+          },
+          "identifier": Object {
+            "name": "N",
+            "range": Array [
+              59,
+              60,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 1,
+          },
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 10,
+      },
+      "variableMap": Object {
+        "N": Object {
+          "$ref": 1,
+        },
+        "a": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 9,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "a",
+                "range": Array [
+                  6,
+                  7,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  6,
+                  11,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  11,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "a",
+              "range": Array [
+                6,
+                7,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "a",
+          "references": Array [
+            Object {
+              "$ref": 2,
+            },
+            Object {
+              "$ref": 3,
+            },
+          ],
+          "scope": Object {
+            "$ref": 9,
+          },
+        },
+        Object {
+          "$id": 1,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "N",
+                "range": Array [
+                  22,
+                  23,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  12,
+                  56,
+                ],
+                "type": "TSModuleDeclaration",
+              },
+              "parent": null,
+              "type": "NamespaceName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "N",
+              "range": Array [
+                22,
+                23,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "N",
+          "references": Array [
+            Object {
+              "$ref": 4,
+            },
+          ],
+          "scope": Object {
+            "$ref": 9,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 10,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/rest-element.ts 1`] = `
+Object {
+  "$id": 5,
+  "block": Object {
+    "range": Array [
+      0,
+      35,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 4,
+      "block": Object {
+        "range": Array [
+          0,
+          35,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 3,
+          "block": Object {
+            "range": Array [
+              0,
+              34,
+            ],
+            "type": "FunctionDeclaration",
+          },
+          "childScopes": Array [],
+          "functionExpressionScope": false,
+          "isStrict": true,
+          "references": Array [],
+          "throughReferences": Array [],
+          "type": "function",
+          "upperScope": Object {
+            "$ref": 4,
+          },
+          "variableMap": Object {
+            "args": Object {
+              "$ref": 2,
+            },
+            "arguments": Object {
+              "$ref": 1,
+            },
+          },
+          "variableScope": Object {
+            "$ref": 3,
+          },
+          "variables": Array [
+            Object {
+              "$id": 1,
+              "defs": Array [],
+              "eslintUsed": undefined,
+              "identifiers": Array [],
+              "name": "arguments",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 3,
+              },
+            },
+            Object {
+              "$id": 2,
+              "defs": Array [
+                Object {
+                  "name": Object {
+                    "name": "args",
+                    "range": Array [
+                      16,
+                      20,
+                    ],
+                    "type": "Identifier",
+                  },
+                  "node": Object {
+                    "range": Array [
+                      0,
+                      34,
+                    ],
+                    "type": "FunctionDeclaration",
+                  },
+                  "parent": null,
+                  "type": "Parameter",
+                },
+              ],
+              "eslintUsed": undefined,
+              "identifiers": Array [
+                Object {
+                  "name": "args",
+                  "range": Array [
+                    16,
+                    20,
+                  ],
+                  "type": "Identifier",
+                },
+              ],
+              "name": "args",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 3,
+              },
+            },
+          ],
+        },
+      ],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 5,
+      },
+      "variableMap": Object {
+        "foo": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 4,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "foo",
+                "range": Array [
+                  9,
+                  12,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  0,
+                  34,
+                ],
+                "type": "FunctionDeclaration",
+              },
+              "parent": null,
+              "type": "FunctionName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "foo",
+              "range": Array [
+                9,
+                12,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "foo",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 5,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/type-alias.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      18,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 0,
+      "block": Object {
+        "range": Array [
+          0,
+          18,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 1,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 0,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/type-annotations.ts 1`] = `
+Object {
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+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/type-assertions.ts 1`] = `
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/type-parameter.ts 1`] = `
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/typeof.ts 1`] = `
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/typeof-in-assertions.ts 1`] = `
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/typeof-in-call-signature.ts 1`] = `
+Object {
+  "$id": 9,
+  "block": Object {
+    "range": Array [
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-array-type.src.ts 1`] = `
+Object {
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+  "block": Object {
+    "range": Array [
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+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-conditional.src.ts 1`] = `
+Object {
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+  "block": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-conditional-with-null.src.ts 1`] = `
+Object {
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+  "block": Object {
+    "range": Array [
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+    "type": "Program",
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+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-indexed.src.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
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+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-infer.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      147,
+    ],
+    "type": "Program",
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+      "throughReferences": Array [],
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+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 0,
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+      "variables": Array [],
+    },
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+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-intersection-type.src.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
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+    "type": "Program",
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+      "variableMap": Object {},
+      "variableScope": Object {
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+      "variables": Array [],
+    },
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+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-mapped.src.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
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+    "type": "Program",
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+      "type": "module",
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+      "variableMap": Object {
+        "map": Object {
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+                "type": "VariableDeclarator",
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+              "parent": Object {
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+              "type": "Variable",
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+          "identifiers": Array [
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+          "scope": Object {
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+          },
+        },
+      ],
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+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-mapped-readonly.src.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
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+    ],
+    "type": "Program",
+  },
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+        "type": "Program",
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+      "childScopes": Array [],
+      "functionExpressionScope": false,
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+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
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+      "variableMap": Object {
+        "map": Object {
+          "$ref": 0,
+        },
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+        "$ref": 1,
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+      "variables": Array [
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+              "type": "Variable",
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+          "identifiers": Array [
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+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-mapped-readonly-minus.src.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
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+    ],
+    "type": "Program",
+  },
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+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
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+      },
+      "variableMap": Object {
+        "map": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [
+        Object {
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+                "type": "Identifier",
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+                "type": "VariableDeclarator",
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+              "type": "Variable",
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+          "identifiers": Array [
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+          "scope": Object {
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+          },
+        },
+      ],
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+  ],
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+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-mapped-readonly-plus.src.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
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+      49,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
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+      "block": Object {
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+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
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+      },
+      "variableMap": Object {
+        "map": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 1,
+      },
+      "variables": Array [
+        Object {
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+          "defs": Array [
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+                "type": "Identifier",
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+                "type": "VariableDeclarator",
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+              },
+              "type": "Variable",
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+          "identifiers": Array [
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+          ],
+          "name": "map",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 1,
+          },
+        },
+      ],
+    },
+  ],
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+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-nested-types.src.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      81,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 0,
+      "block": Object {
+        "range": Array [
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+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 1,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 0,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-parenthesized-type.src.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      29,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 0,
+      "block": Object {
+        "range": Array [
+          0,
+          29,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 1,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
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+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-reference.src.ts 1`] = `
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  "variables": Array [],
+}
+`;
+
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+  "block": Object {
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+  "variableMap": Object {},
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+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-reference-generic-nested.src.ts 1`] = `
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+  "block": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-tuple.src.ts 1`] = `
+Object {
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+  "block": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-tuple-empty.src.ts 1`] = `
+Object {
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+  "block": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-tuple-optional.src.ts 1`] = `
+Object {
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+  "block": Object {
+    "range": Array [
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+  "variableMap": Object {},
+  "variableScope": Object {
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+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-tuple-rest.src.ts 1`] = `
+Object {
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+  "block": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-tuple-type.src.ts 1`] = `
+Object {
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+  "block": Object {
+    "range": Array [
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+      "variables": Array [],
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+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-type-literal.src.ts 1`] = `
+Object {
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+  "block": Object {
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+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-type-operator.src.ts 1`] = `
+Object {
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+  "block": Object {
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+    "type": "Program",
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+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 3,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-typeof.src.ts 1`] = `
+Object {
+  "$id": 3,
+  "block": Object {
+    "range": Array [
+      0,
+      19,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
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+      "block": Object {
+        "range": Array [
+          0,
+          19,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
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+          "from": Object {
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+          "identifier": Object {
+            "name": "y",
+            "range": Array [
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+              15,
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+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 1,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 3,
+      },
+      "variableMap": Object {
+        "x": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 2,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "x",
+                "range": Array [
+                  4,
+                  17,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  4,
+                  17,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  0,
+                  18,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "x",
+              "range": Array [
+                4,
+                17,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "x",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 2,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 1,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 3,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-union-intersection.src.ts 1`] = `
+Object {
+  "$id": 5,
+  "block": Object {
+    "range": Array [
+      0,
+      161,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 4,
+      "block": Object {
+        "range": Array [
+          0,
+          161,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 5,
+      },
+      "variableMap": Object {
+        "intersection": Object {
+          "$ref": 1,
+        },
+        "precedence1": Object {
+          "$ref": 2,
+        },
+        "precedence2": Object {
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+        "union": Object {
+          "$ref": 0,
+        },
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+      "variableScope": Object {
+        "$ref": 4,
+      },
+      "variables": Array [
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+          "defs": Array [
+            Object {
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+                "type": "Identifier",
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+              "node": Object {
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+                "type": "VariableDeclarator",
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+              "parent": Object {
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+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
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+              "range": Array [
+                4,
+                36,
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+              "type": "Identifier",
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+          "name": "union",
+          "references": Array [],
+          "scope": Object {
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+          },
+        },
+        Object {
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+          "defs": Array [
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+                "range": Array [
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+                "type": "Identifier",
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+              "node": Object {
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+                "type": "VariableDeclarator",
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+              "parent": Object {
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+                "type": "VariableDeclaration",
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+              "type": "Variable",
+            },
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+          "eslintUsed": undefined,
+          "identifiers": Array [
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+              "type": "Identifier",
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+          "name": "intersection",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+        Object {
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+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "precedence1",
+                "range": Array [
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+                  115,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
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+                  115,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  73,
+                  116,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "precedence1",
+              "range": Array [
+                77,
+                115,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "precedence1",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+        Object {
+          "$id": 3,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "precedence2",
+                "range": Array [
+                  121,
+                  159,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
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+                  159,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  117,
+                  160,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "precedence2",
+              "range": Array [
+                121,
+                159,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "precedence2",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 5,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: module tests/fixtures/scope-analysis/types-union-type.src.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      27,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 0,
+      "block": Object {
+        "range": Array [
+          0,
+          27,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 1,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 0,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 1,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/535.ts 1`] = `
+Object {
+  "$id": 5,
+  "block": Object {
+    "range": Array [
+      0,
+      52,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 4,
+      "block": Object {
+        "range": Array [
+          0,
+          51,
+        ],
+        "type": "FunctionDeclaration",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": false,
+      "references": Array [
+        Object {
+          "$id": 3,
+          "from": Object {
+            "$ref": 4,
+          },
+          "identifier": Object {
+            "name": "bar",
+            "range": Array [
+              45,
+              48,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 2,
+          },
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [],
+      "type": "function",
+      "upperScope": Object {
+        "$ref": 5,
+      },
+      "variableMap": Object {
+        "arguments": Object {
+          "$ref": 1,
+        },
+        "bar": Object {
+          "$ref": 2,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 4,
+      },
+      "variables": Array [
+        Object {
+          "$id": 1,
+          "defs": Array [],
+          "eslintUsed": undefined,
+          "identifiers": Array [],
+          "name": "arguments",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+        Object {
+          "$id": 2,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "bar",
+                "range": Array [
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+                  18,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
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+                  51,
+                ],
+                "type": "FunctionDeclaration",
+              },
+              "parent": null,
+              "type": "Parameter",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "bar",
+              "range": Array [
+                15,
+                18,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "bar",
+          "references": Array [
+            Object {
+              "$ref": 3,
+            },
+          ],
+          "scope": Object {
+            "$ref": 4,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {
+    "foo": Object {
+      "$ref": 0,
+    },
+  },
+  "variableScope": Object {
+    "$ref": 5,
+  },
+  "variables": Array [
+    Object {
+      "$id": 0,
+      "defs": Array [
+        Object {
+          "name": Object {
+            "name": "foo",
+            "range": Array [
+              9,
+              12,
+            ],
+            "type": "Identifier",
+          },
+          "node": Object {
+            "range": Array [
+              0,
+              51,
+            ],
+            "type": "FunctionDeclaration",
+          },
+          "parent": null,
+          "type": "FunctionName",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "foo",
+          "range": Array [
+            9,
+            12,
+          ],
+          "type": "Identifier",
+        },
+      ],
+      "name": "foo",
+      "references": Array [],
+      "scope": Object {
+        "$ref": 5,
+      },
+    },
+  ],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/abstract-class.ts 1`] = `
+Object {
+  "$id": 2,
+  "block": Object {
+    "range": Array [
+      0,
+      69,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 1,
+      "block": Object {
+        "range": Array [
+          0,
+          68,
+        ],
+        "type": "TSAbstractClassDeclaration",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "class",
+      "upperScope": Object {
+        "$ref": 2,
+      },
+      "variableMap": Object {
+        "A": Object {
+          "$ref": 0,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 2,
+      },
+      "variables": Array [
+        Object {
+          "$id": 0,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "A",
+                "range": Array [
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+                  16,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  0,
+                  68,
+                ],
+                "type": "TSAbstractClassDeclaration",
+              },
+              "parent": undefined,
+              "type": "ClassName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "A",
+              "range": Array [
+                15,
+                16,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "A",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 1,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 2,
+  },
+  "variables": Array [],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/class-implements.ts 1`] = `
+Object {
+  "$id": 3,
+  "block": Object {
+    "range": Array [
+      0,
+      83,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 2,
+      "block": Object {
+        "range": Array [
+          0,
+          82,
+        ],
+        "type": "ClassDeclaration",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [],
+      "throughReferences": Array [],
+      "type": "class",
+      "upperScope": Object {
+        "$ref": 3,
+      },
+      "variableMap": Object {
+        "Foo": Object {
+          "$ref": 1,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 3,
+      },
+      "variables": Array [
+        Object {
+          "$id": 1,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "Foo",
+                "range": Array [
+                  6,
+                  9,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  0,
+                  82,
+                ],
+                "type": "ClassDeclaration",
+              },
+              "parent": undefined,
+              "type": "ClassName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "Foo",
+              "range": Array [
+                6,
+                9,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "Foo",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 2,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {
+    "Foo": Object {
+      "$ref": 0,
+    },
+  },
+  "variableScope": Object {
+    "$ref": 3,
+  },
+  "variables": Array [
+    Object {
+      "$id": 0,
+      "defs": Array [
+        Object {
+          "name": Object {
+            "name": "Foo",
+            "range": Array [
+              6,
+              9,
+            ],
+            "type": "Identifier",
+          },
+          "node": Object {
+            "range": Array [
+              0,
+              82,
+            ],
+            "type": "ClassDeclaration",
+          },
+          "parent": null,
+          "type": "ClassName",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "Foo",
+          "range": Array [
+            6,
+            9,
+          ],
+          "type": "Identifier",
+        },
+      ],
+      "name": "Foo",
+      "references": Array [],
+      "scope": Object {
+        "$ref": 3,
+      },
+    },
+  ],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/class-properties.ts 1`] = `
+Object {
+  "$id": 8,
+  "block": Object {
+    "range": Array [
+      0,
+      63,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
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+      "block": Object {
+        "range": Array [
+          19,
+          62,
+        ],
+        "type": "ClassDeclaration",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 5,
+          "from": Object {
+            "$ref": 7,
+          },
+          "identifier": Object {
+            "name": "s",
+            "range": Array [
+              43,
+              44,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 6,
+          "from": Object {
+            "$ref": 7,
+          },
+          "identifier": Object {
+            "name": "s",
+            "range": Array [
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+              51,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 0,
+          },
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 5,
+        },
+        Object {
+          "$ref": 6,
+        },
+      ],
+      "type": "class",
+      "upperScope": Object {
+        "$ref": 8,
+      },
+      "variableMap": Object {
+        "A": Object {
+          "$ref": 4,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 8,
+      },
+      "variables": Array [
+        Object {
+          "$id": 4,
+          "defs": Array [
+            Object {
+              "name": Object {
+                "name": "A",
+                "range": Array [
+                  25,
+                  26,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  19,
+                  62,
+                ],
+                "type": "ClassDeclaration",
+              },
+              "parent": undefined,
+              "type": "ClassName",
+            },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "A",
+              "range": Array [
+                25,
+                26,
+              ],
+              "type": "Identifier",
+            },
+          ],
+          "name": "A",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 7,
+          },
+        },
+      ],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [
+    Object {
+      "$id": 2,
+      "from": Object {
+        "$ref": 8,
+      },
+      "identifier": Object {
+        "name": "s",
+        "range": Array [
+          6,
+          7,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "w",
+      "resolved": Object {
+        "$ref": 0,
+      },
+      "writeExpr": Object {
+        "range": Array [
+          10,
+          18,
+        ],
+        "type": "CallExpression",
+      },
+    },
+    Object {
+      "$id": 3,
+      "from": Object {
+        "$ref": 8,
+      },
+      "identifier": Object {
+        "name": "Symbol",
+        "range": Array [
+          10,
+          16,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "r",
+      "resolved": null,
+      "writeExpr": undefined,
+    },
+  ],
+  "throughReferences": Array [
+    Object {
+      "$ref": 3,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {
+    "A": Object {
+      "$ref": 1,
+    },
+    "s": Object {
+      "$ref": 0,
+    },
+  },
+  "variableScope": Object {
+    "$ref": 8,
+  },
+  "variables": Array [
     Object {
       "$id": 0,
       "defs": Array [
@@ -705,7 +11363,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/class-supper-type.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/class-supper-type.ts 1`] = `
 Object {
   "$id": 11,
   "block": Object {
@@ -1088,7 +11746,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/computed-properties-in-interface.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/computed-properties-in-interface.ts 1`] = `
 Object {
   "$id": 8,
   "block": Object {
@@ -1357,7 +12015,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/computed-properties-in-type.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/computed-properties-in-type.ts 1`] = `
 Object {
   "$id": 8,
   "block": Object {
@@ -1626,7 +12284,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/declare-function.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/declare-function.ts 1`] = `
 Object {
   "$id": 2,
   "block": Object {
@@ -1720,9 +12378,9 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/declare-global.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/declare-global.ts 1`] = `
 Object {
-  "$id": 3,
+  "$id": 2,
   "block": Object {
     "range": Array [
       0,
@@ -1730,65 +12388,36 @@ Object {
     ],
     "type": "Program",
   },
-  "childScopes": Array [
+  "childScopes": Array [],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [
     Object {
-      "$id": 2,
-      "block": Object {
+      "$id": 1,
+      "from": Object {
+        "$ref": 2,
+      },
+      "identifier": Object {
+        "name": "C",
         "range": Array [
-          0,
-          55,
+          38,
+          39,
         ],
-        "type": "Program",
+        "type": "Identifier",
       },
-      "childScopes": Array [],
-      "functionExpressionScope": false,
-      "isStrict": true,
-      "references": Array [
-        Object {
-          "$id": 1,
-          "from": Object {
-            "$ref": 2,
-          },
-          "identifier": Object {
-            "name": "C",
-            "range": Array [
-              38,
-              39,
-            ],
-            "type": "Identifier",
-          },
-          "kind": "w",
-          "resolved": Object {
-            "$ref": 0,
-          },
-          "writeExpr": Object {
-            "range": Array [
-              42,
-              43,
-            ],
-            "type": "Literal",
-          },
-        },
-      ],
-      "throughReferences": Array [
-        Object {
-          "$ref": 1,
-        },
-      ],
-      "type": "module",
-      "upperScope": Object {
-        "$ref": 3,
+      "kind": "w",
+      "resolved": Object {
+        "$ref": 0,
       },
-      "variableMap": Object {},
-      "variableScope": Object {
-        "$ref": 2,
+      "writeExpr": Object {
+        "range": Array [
+          42,
+          43,
+        ],
+        "type": "Literal",
       },
-      "variables": Array [],
     },
   ],
-  "functionExpressionScope": false,
-  "isStrict": false,
-  "references": Array [],
   "throughReferences": Array [],
   "type": "global",
   "upperScope": null,
@@ -1798,7 +12427,7 @@ Object {
     },
   },
   "variableScope": Object {
-    "$ref": 3,
+    "$ref": 2,
   },
   "variables": Array [
     Object {
@@ -1848,16 +12477,16 @@ Object {
         },
       ],
       "scope": Object {
-        "$ref": 3,
+        "$ref": 2,
       },
     },
   ],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/declare-module.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/declare-module.ts 1`] = `
 Object {
-  "$id": 8,
+  "$id": 7,
   "block": Object {
     "range": Array [
       0,
@@ -1867,173 +12496,219 @@ Object {
   },
   "childScopes": Array [
     Object {
-      "$id": 7,
+      "$id": 6,
       "block": Object {
         "range": Array [
-          0,
-          95,
+          33,
+          92,
         ],
-        "type": "Program",
+        "type": "TSModuleBlock",
       },
-      "childScopes": Array [
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": false,
+      "references": Array [
         Object {
-          "$id": 6,
-          "block": Object {
+          "$id": 5,
+          "from": Object {
+            "$ref": 6,
+          },
+          "identifier": Object {
+            "name": "a",
             "range": Array [
-              33,
-              92,
+              89,
+              90,
             ],
-            "type": "TSModuleBlock",
+            "type": "Identifier",
           },
-          "childScopes": Array [],
-          "functionExpressionScope": false,
-          "isStrict": true,
-          "references": Array [
+          "kind": "r",
+          "resolved": Object {
+            "$ref": 3,
+          },
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [],
+      "type": "block",
+      "upperScope": Object {
+        "$ref": 7,
+      },
+      "variableMap": Object {
+        "a": Object {
+          "$ref": 3,
+        },
+        "b": Object {
+          "$ref": 4,
+        },
+      },
+      "variableScope": Object {
+        "$ref": 7,
+      },
+      "variables": Array [
+        Object {
+          "$id": 3,
+          "defs": Array [
             Object {
-              "$id": 5,
-              "from": Object {
-                "$ref": 6,
-              },
-              "identifier": Object {
+              "name": Object {
                 "name": "a",
                 "range": Array [
-                  89,
-                  90,
+                  52,
+                  61,
                 ],
                 "type": "Identifier",
               },
-              "kind": "r",
-              "resolved": Object {
-                "$ref": 3,
+              "node": Object {
+                "range": Array [
+                  52,
+                  61,
+                ],
+                "type": "VariableDeclarator",
               },
-              "writeExpr": undefined,
+              "parent": Object {
+                "range": Array [
+                  46,
+                  61,
+                ],
+                "type": "VariableDeclaration",
+              },
+              "type": "Variable",
             },
           ],
-          "throughReferences": Array [],
-          "type": "block",
-          "upperScope": Object {
-            "$ref": 7,
-          },
-          "variableMap": Object {
-            "a": Object {
-              "$ref": 3,
+          "eslintUsed": undefined,
+          "identifiers": Array [
+            Object {
+              "name": "a",
+              "range": Array [
+                52,
+                61,
+              ],
+              "type": "Identifier",
             },
-            "b": Object {
-              "$ref": 4,
+          ],
+          "name": "a",
+          "references": Array [
+            Object {
+              "$ref": 5,
             },
+          ],
+          "scope": Object {
+            "$ref": 6,
           },
-          "variableScope": Object {
-            "$ref": 7,
-          },
-          "variables": Array [
+        },
+        Object {
+          "$id": 4,
+          "defs": Array [
             Object {
-              "$id": 3,
-              "defs": Array [
-                Object {
-                  "name": Object {
-                    "name": "a",
-                    "range": Array [
-                      52,
-                      61,
-                    ],
-                    "type": "Identifier",
-                  },
-                  "node": Object {
-                    "range": Array [
-                      52,
-                      61,
-                    ],
-                    "type": "VariableDeclarator",
-                  },
-                  "parent": Object {
-                    "range": Array [
-                      46,
-                      61,
-                    ],
-                    "type": "VariableDeclaration",
-                  },
-                  "type": "Variable",
-                },
-              ],
-              "eslintUsed": undefined,
-              "identifiers": Array [
-                Object {
-                  "name": "a",
-                  "range": Array [
-                    52,
-                    61,
-                  ],
-                  "type": "Identifier",
-                },
-              ],
-              "name": "a",
-              "references": Array [
-                Object {
-                  "$ref": 5,
-                },
-              ],
-              "scope": Object {
-                "$ref": 6,
+              "name": Object {
+                "name": "b",
+                "range": Array [
+                  79,
+                  90,
+                ],
+                "type": "Identifier",
+              },
+              "node": Object {
+                "range": Array [
+                  79,
+                  90,
+                ],
+                "type": "VariableDeclarator",
+              },
+              "parent": Object {
+                "range": Array [
+                  73,
+                  90,
+                ],
+                "type": "VariableDeclaration",
               },
+              "type": "Variable",
             },
+          ],
+          "eslintUsed": undefined,
+          "identifiers": Array [
             Object {
-              "$id": 4,
-              "defs": Array [
-                Object {
-                  "name": Object {
-                    "name": "b",
-                    "range": Array [
-                      79,
-                      90,
-                    ],
-                    "type": "Identifier",
-                  },
-                  "node": Object {
-                    "range": Array [
-                      79,
-                      90,
-                    ],
-                    "type": "VariableDeclarator",
-                  },
-                  "parent": Object {
-                    "range": Array [
-                      73,
-                      90,
-                    ],
-                    "type": "VariableDeclaration",
-                  },
-                  "type": "Variable",
-                },
-              ],
-              "eslintUsed": undefined,
-              "identifiers": Array [
-                Object {
-                  "name": "b",
-                  "range": Array [
-                    79,
-                    90,
-                  ],
-                  "type": "Identifier",
-                },
-              ],
               "name": "b",
-              "references": Array [],
-              "scope": Object {
-                "$ref": 6,
-              },
+              "range": Array [
+                79,
+                90,
+              ],
+              "type": "Identifier",
             },
           ],
+          "name": "b",
+          "references": Array [],
+          "scope": Object {
+            "$ref": 6,
+          },
         },
       ],
-      "functionExpressionScope": false,
-      "isStrict": true,
-      "references": Array [
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [
+    Object {
+      "$id": 1,
+      "from": Object {
+        "$ref": 7,
+      },
+      "identifier": Object {
+        "name": "a",
+        "range": Array [
+          6,
+          7,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "w",
+      "resolved": Object {
+        "$ref": 0,
+      },
+      "writeExpr": Object {
+        "range": Array [
+          10,
+          11,
+        ],
+        "type": "Literal",
+      },
+    },
+    Object {
+      "$id": 2,
+      "from": Object {
+        "$ref": 7,
+      },
+      "identifier": Object {
+        "name": "a",
+        "range": Array [
+          93,
+          94,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "r",
+      "resolved": Object {
+        "$ref": 0,
+      },
+      "writeExpr": undefined,
+    },
+  ],
+  "throughReferences": Array [],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {
+    "a": Object {
+      "$ref": 0,
+    },
+  },
+  "variableScope": Object {
+    "$ref": 7,
+  },
+  "variables": Array [
+    Object {
+      "$id": 0,
+      "defs": Array [
         Object {
-          "$id": 1,
-          "from": Object {
-            "$ref": 7,
-          },
-          "identifier": Object {
+          "name": Object {
             "name": "a",
             "range": Array [
               6,
@@ -2041,123 +12716,52 @@ Object {
             ],
             "type": "Identifier",
           },
-          "kind": "w",
-          "resolved": Object {
-            "$ref": 0,
-          },
-          "writeExpr": Object {
+          "node": Object {
             "range": Array [
-              10,
+              6,
               11,
             ],
-            "type": "Literal",
-          },
-        },
-        Object {
-          "$id": 2,
-          "from": Object {
-            "$ref": 7,
+            "type": "VariableDeclarator",
           },
-          "identifier": Object {
-            "name": "a",
+          "parent": Object {
             "range": Array [
-              93,
-              94,
+              0,
+              11,
             ],
-            "type": "Identifier",
-          },
-          "kind": "r",
-          "resolved": Object {
-            "$ref": 0,
+            "type": "VariableDeclaration",
           },
-          "writeExpr": undefined,
+          "type": "Variable",
         },
       ],
-      "throughReferences": Array [],
-      "type": "module",
-      "upperScope": Object {
-        "$ref": 8,
-      },
-      "variableMap": Object {
-        "a": Object {
-          "$ref": 0,
-        },
-      },
-      "variableScope": Object {
-        "$ref": 7,
-      },
-      "variables": Array [
+      "eslintUsed": undefined,
+      "identifiers": Array [
         Object {
-          "$id": 0,
-          "defs": Array [
-            Object {
-              "name": Object {
-                "name": "a",
-                "range": Array [
-                  6,
-                  7,
-                ],
-                "type": "Identifier",
-              },
-              "node": Object {
-                "range": Array [
-                  6,
-                  11,
-                ],
-                "type": "VariableDeclarator",
-              },
-              "parent": Object {
-                "range": Array [
-                  0,
-                  11,
-                ],
-                "type": "VariableDeclaration",
-              },
-              "type": "Variable",
-            },
-          ],
-          "eslintUsed": undefined,
-          "identifiers": Array [
-            Object {
-              "name": "a",
-              "range": Array [
-                6,
-                7,
-              ],
-              "type": "Identifier",
-            },
-          ],
           "name": "a",
-          "references": Array [
-            Object {
-              "$ref": 1,
-            },
-            Object {
-              "$ref": 2,
-            },
+          "range": Array [
+            6,
+            7,
           ],
-          "scope": Object {
-            "$ref": 7,
-          },
+          "type": "Identifier",
+        },
+      ],
+      "name": "a",
+      "references": Array [
+        Object {
+          "$ref": 1,
+        },
+        Object {
+          "$ref": 2,
         },
       ],
+      "scope": Object {
+        "$ref": 7,
+      },
     },
   ],
-  "functionExpressionScope": false,
-  "isStrict": false,
-  "references": Array [],
-  "throughReferences": Array [],
-  "type": "global",
-  "upperScope": null,
-  "variableMap": Object {},
-  "variableScope": Object {
-    "$ref": 8,
-  },
-  "variables": Array [],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/decorators.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/decorators.ts 1`] = `
 Object {
   "$id": 18,
   "block": Object {
@@ -2737,7 +13341,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/enum.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/enum.ts 1`] = `
 Object {
   "$id": 14,
   "block": Object {
@@ -3226,7 +13830,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/enum-string.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/enum-string.ts 1`] = `
 Object {
   "$id": 4,
   "block": Object {
@@ -3396,7 +14000,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/export-as-namespace.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/export-as-namespace.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -3443,7 +14047,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/expression-as.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/expression-as.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -3490,7 +14094,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/expression-type-parameters.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/expression-type-parameters.ts 1`] = `
 Object {
   "$id": 14,
   "block": Object {
@@ -3991,7 +14595,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/function-overload.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/function-overload.ts 1`] = `
 Object {
   "$id": 4,
   "block": Object {
@@ -4145,7 +14749,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/function-overload-2.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/function-overload-2.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -4213,204 +14817,130 @@ Object {
     },
   ],
 }
-`;
-
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/identifier-decorators.ts 1`] = `
-Object {
-  "$id": 8,
-  "block": Object {
-    "range": Array [
-      0,
-      65,
-    ],
-    "type": "Program",
-  },
-  "childScopes": Array [
-    Object {
-      "$id": 7,
-      "block": Object {
-        "range": Array [
-          0,
-          65,
-        ],
-        "type": "Program",
-      },
-      "childScopes": Array [
-        Object {
-          "$id": 6,
-          "block": Object {
-            "range": Array [
-              7,
-              64,
-            ],
-            "type": "ClassDeclaration",
-          },
-          "childScopes": Array [
-            Object {
-              "$id": 5,
-              "block": Object {
-                "range": Array [
-                  35,
-                  62,
-                ],
-                "type": "FunctionExpression",
-              },
-              "childScopes": Array [],
-              "functionExpressionScope": false,
-              "isStrict": true,
-              "references": Array [
-                Object {
-                  "$id": 4,
-                  "from": Object {
-                    "$ref": 5,
-                  },
-                  "identifier": Object {
-                    "name": "Decorator",
-                    "range": Array [
-                      37,
-                      46,
-                    ],
-                    "type": "Identifier",
-                  },
-                  "kind": "r",
-                  "resolved": null,
-                  "writeExpr": undefined,
-                },
-              ],
-              "throughReferences": Array [
-                Object {
-                  "$ref": 4,
-                },
-              ],
-              "type": "function",
-              "upperScope": Object {
-                "$ref": 6,
-              },
-              "variableMap": Object {
-                "arguments": Object {
-                  "$ref": 2,
-                },
-                "config": Object {
-                  "$ref": 3,
-                },
-              },
-              "variableScope": Object {
-                "$ref": 5,
-              },
-              "variables": Array [
-                Object {
-                  "$id": 2,
-                  "defs": Array [],
-                  "eslintUsed": undefined,
-                  "identifiers": Array [],
-                  "name": "arguments",
-                  "references": Array [],
-                  "scope": Object {
-                    "$ref": 5,
-                  },
-                },
-                Object {
-                  "$id": 3,
-                  "defs": Array [
-                    Object {
-                      "name": Object {
-                        "name": "config",
-                        "range": Array [
-                          47,
-                          53,
-                        ],
-                        "type": "Identifier",
-                      },
-                      "node": Object {
-                        "range": Array [
-                          35,
-                          62,
-                        ],
-                        "type": "FunctionExpression",
-                      },
-                      "parent": null,
-                      "type": "Parameter",
-                    },
-                  ],
-                  "eslintUsed": undefined,
-                  "identifiers": Array [
-                    Object {
-                      "name": "config",
-                      "range": Array [
-                        47,
-                        53,
-                      ],
-                      "type": "Identifier",
-                    },
-                  ],
-                  "name": "config",
-                  "references": Array [],
-                  "scope": Object {
-                    "$ref": 5,
-                  },
-                },
-              ],
-            },
-          ],
+`;
+
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/identifier-decorators.ts 1`] = `
+Object {
+  "$id": 7,
+  "block": Object {
+    "range": Array [
+      0,
+      65,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 6,
+      "block": Object {
+        "range": Array [
+          7,
+          64,
+        ],
+        "type": "ClassDeclaration",
+      },
+      "childScopes": Array [
+        Object {
+          "$id": 5,
+          "block": Object {
+            "range": Array [
+              35,
+              62,
+            ],
+            "type": "FunctionExpression",
+          },
+          "childScopes": Array [],
           "functionExpressionScope": false,
           "isStrict": true,
-          "references": Array [],
+          "references": Array [
+            Object {
+              "$id": 4,
+              "from": Object {
+                "$ref": 5,
+              },
+              "identifier": Object {
+                "name": "Decorator",
+                "range": Array [
+                  37,
+                  46,
+                ],
+                "type": "Identifier",
+              },
+              "kind": "r",
+              "resolved": null,
+              "writeExpr": undefined,
+            },
+          ],
           "throughReferences": Array [
             Object {
               "$ref": 4,
             },
           ],
-          "type": "class",
+          "type": "function",
           "upperScope": Object {
-            "$ref": 7,
+            "$ref": 6,
           },
           "variableMap": Object {
-            "Test": Object {
-              "$ref": 1,
+            "arguments": Object {
+              "$ref": 2,
+            },
+            "config": Object {
+              "$ref": 3,
             },
           },
           "variableScope": Object {
-            "$ref": 7,
+            "$ref": 5,
           },
           "variables": Array [
             Object {
-              "$id": 1,
+              "$id": 2,
+              "defs": Array [],
+              "eslintUsed": undefined,
+              "identifiers": Array [],
+              "name": "arguments",
+              "references": Array [],
+              "scope": Object {
+                "$ref": 5,
+              },
+            },
+            Object {
+              "$id": 3,
               "defs": Array [
                 Object {
                   "name": Object {
-                    "name": "Test",
+                    "name": "config",
                     "range": Array [
-                      13,
-                      17,
+                      47,
+                      53,
                     ],
                     "type": "Identifier",
                   },
                   "node": Object {
                     "range": Array [
-                      7,
-                      64,
+                      35,
+                      62,
                     ],
-                    "type": "ClassDeclaration",
+                    "type": "FunctionExpression",
                   },
-                  "parent": undefined,
-                  "type": "ClassName",
+                  "parent": null,
+                  "type": "Parameter",
                 },
               ],
               "eslintUsed": undefined,
               "identifiers": Array [
                 Object {
-                  "name": "Test",
+                  "name": "config",
                   "range": Array [
-                    13,
-                    17,
+                    47,
+                    53,
                   ],
                   "type": "Identifier",
                 },
               ],
-              "name": "Test",
+              "name": "config",
               "references": Array [],
               "scope": Object {
-                "$ref": 6,
+                "$ref": 5,
               },
             },
           ],
@@ -4424,13 +14954,13 @@ Object {
           "$ref": 4,
         },
       ],
-      "type": "module",
+      "type": "class",
       "upperScope": Object {
-        "$ref": 8,
+        "$ref": 7,
       },
       "variableMap": Object {
         "Test": Object {
-          "$ref": 0,
+          "$ref": 1,
         },
       },
       "variableScope": Object {
@@ -4438,7 +14968,7 @@ Object {
       },
       "variables": Array [
         Object {
-          "$id": 0,
+          "$id": 1,
           "defs": Array [
             Object {
               "name": Object {
@@ -4456,7 +14986,7 @@ Object {
                 ],
                 "type": "ClassDeclaration",
               },
-              "parent": null,
+              "parent": undefined,
               "type": "ClassName",
             },
           ],
@@ -4474,7 +15004,7 @@ Object {
           "name": "Test",
           "references": Array [],
           "scope": Object {
-            "$ref": 7,
+            "$ref": 6,
           },
         },
       ],
@@ -4490,15 +15020,60 @@ Object {
   ],
   "type": "global",
   "upperScope": null,
-  "variableMap": Object {},
+  "variableMap": Object {
+    "Test": Object {
+      "$ref": 0,
+    },
+  },
   "variableScope": Object {
-    "$ref": 8,
+    "$ref": 7,
   },
-  "variables": Array [],
+  "variables": Array [
+    Object {
+      "$id": 0,
+      "defs": Array [
+        Object {
+          "name": Object {
+            "name": "Test",
+            "range": Array [
+              13,
+              17,
+            ],
+            "type": "Identifier",
+          },
+          "node": Object {
+            "range": Array [
+              7,
+              64,
+            ],
+            "type": "ClassDeclaration",
+          },
+          "parent": null,
+          "type": "ClassName",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "Test",
+          "range": Array [
+            13,
+            17,
+          ],
+          "type": "Identifier",
+        },
+      ],
+      "name": "Test",
+      "references": Array [],
+      "scope": Object {
+        "$ref": 7,
+      },
+    },
+  ],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/ignore-type-only-stuff.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/ignore-type-only-stuff.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -4544,132 +15119,107 @@ Object {
             "type": "VariableDeclarator",
           },
           "parent": Object {
-            "range": Array [
-              106,
-              114,
-            ],
-            "type": "VariableDeclaration",
-          },
-          "type": "Variable",
-        },
-      ],
-      "eslintUsed": undefined,
-      "identifiers": Array [
-        Object {
-          "name": "a",
-          "range": Array [
-            110,
-            114,
-          ],
-          "type": "Identifier",
-        },
-      ],
-      "name": "a",
-      "references": Array [],
-      "scope": Object {
-        "$ref": 1,
-      },
-    },
-  ],
-}
-`;
-
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/import-equals.ts 1`] = `
-Object {
-  "$id": 2,
-  "block": Object {
-    "range": Array [
-      0,
-      28,
-    ],
-    "type": "Program",
-  },
-  "childScopes": Array [
-    Object {
-      "$id": 1,
-      "block": Object {
-        "range": Array [
-          0,
-          28,
-        ],
-        "type": "Program",
-      },
-      "childScopes": Array [],
-      "functionExpressionScope": false,
-      "isStrict": true,
-      "references": Array [],
-      "throughReferences": Array [],
-      "type": "module",
-      "upperScope": Object {
-        "$ref": 2,
-      },
-      "variableMap": Object {
-        "foo": Object {
-          "$ref": 0,
-        },
-      },
-      "variableScope": Object {
-        "$ref": 1,
-      },
-      "variables": Array [
-        Object {
-          "$id": 0,
-          "defs": Array [
-            Object {
-              "name": Object {
-                "name": "foo",
-                "range": Array [
-                  7,
-                  10,
-                ],
-                "type": "Identifier",
-              },
-              "node": Object {
-                "range": Array [
-                  0,
-                  27,
-                ],
-                "type": "TSImportEqualsDeclaration",
-              },
-              "parent": null,
-              "type": "ImportBinding",
-            },
-          ],
-          "eslintUsed": undefined,
-          "identifiers": Array [
-            Object {
-              "name": "foo",
-              "range": Array [
-                7,
-                10,
-              ],
-              "type": "Identifier",
-            },
-          ],
-          "name": "foo",
-          "references": Array [],
-          "scope": Object {
-            "$ref": 1,
+            "range": Array [
+              106,
+              114,
+            ],
+            "type": "VariableDeclaration",
           },
+          "type": "Variable",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "a",
+          "range": Array [
+            110,
+            114,
+          ],
+          "type": "Identifier",
         },
       ],
+      "name": "a",
+      "references": Array [],
+      "scope": Object {
+        "$ref": 1,
+      },
     },
   ],
+}
+`;
+
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/import-equals.ts 1`] = `
+Object {
+  "$id": 1,
+  "block": Object {
+    "range": Array [
+      0,
+      28,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [],
   "functionExpressionScope": false,
   "isStrict": false,
   "references": Array [],
   "throughReferences": Array [],
   "type": "global",
   "upperScope": null,
-  "variableMap": Object {},
+  "variableMap": Object {
+    "foo": Object {
+      "$ref": 0,
+    },
+  },
   "variableScope": Object {
-    "$ref": 2,
+    "$ref": 1,
   },
-  "variables": Array [],
+  "variables": Array [
+    Object {
+      "$id": 0,
+      "defs": Array [
+        Object {
+          "name": Object {
+            "name": "foo",
+            "range": Array [
+              7,
+              10,
+            ],
+            "type": "Identifier",
+          },
+          "node": Object {
+            "range": Array [
+              0,
+              27,
+            ],
+            "type": "TSImportEqualsDeclaration",
+          },
+          "parent": null,
+          "type": "ImportBinding",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "foo",
+          "range": Array [
+            7,
+            10,
+          ],
+          "type": "Identifier",
+        },
+      ],
+      "name": "foo",
+      "references": Array [],
+      "scope": Object {
+        "$ref": 1,
+      },
+    },
+  ],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/interface-type.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/interface-type.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -4694,7 +15244,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/method-overload.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/method-overload.ts 1`] = `
 Object {
   "$id": 10,
   "block": Object {
@@ -5045,9 +15595,9 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/namespace.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/namespace.ts 1`] = `
 Object {
-  "$id": 10,
+  "$id": 9,
   "block": Object {
     "range": Array [
       0,
@@ -5057,221 +15607,71 @@ Object {
   },
   "childScopes": Array [
     Object {
-      "$id": 9,
+      "$id": 8,
       "block": Object {
         "range": Array [
-          0,
-          63,
+          24,
+          56,
         ],
-        "type": "Program",
+        "type": "TSModuleBlock",
       },
-      "childScopes": Array [
-        Object {
-          "$id": 8,
-          "block": Object {
-            "range": Array [
-              24,
-              56,
-            ],
-            "type": "TSModuleBlock",
-          },
-          "childScopes": Array [],
-          "functionExpressionScope": false,
-          "isStrict": true,
-          "references": Array [
-            Object {
-              "$id": 6,
-              "from": Object {
-                "$ref": 8,
-              },
-              "identifier": Object {
-                "name": "a",
-                "range": Array [
-                  43,
-                  44,
-                ],
-                "type": "Identifier",
-              },
-              "kind": "w",
-              "resolved": Object {
-                "$ref": 5,
-              },
-              "writeExpr": Object {
-                "range": Array [
-                  47,
-                  48,
-                ],
-                "type": "Literal",
-              },
-            },
-            Object {
-              "$id": 7,
-              "from": Object {
-                "$ref": 8,
-              },
-              "identifier": Object {
-                "name": "a",
-                "range": Array [
-                  53,
-                  54,
-                ],
-                "type": "Identifier",
-              },
-              "kind": "r",
-              "resolved": Object {
-                "$ref": 5,
-              },
-              "writeExpr": undefined,
-            },
-          ],
-          "throughReferences": Array [],
-          "type": "block",
-          "upperScope": Object {
-            "$ref": 9,
-          },
-          "variableMap": Object {
-            "a": Object {
-              "$ref": 5,
-            },
-          },
-          "variableScope": Object {
-            "$ref": 9,
-          },
-          "variables": Array [
-            Object {
-              "$id": 5,
-              "defs": Array [
-                Object {
-                  "name": Object {
-                    "name": "a",
-                    "range": Array [
-                      43,
-                      44,
-                    ],
-                    "type": "Identifier",
-                  },
-                  "node": Object {
-                    "range": Array [
-                      43,
-                      48,
-                    ],
-                    "type": "VariableDeclarator",
-                  },
-                  "parent": Object {
-                    "range": Array [
-                      37,
-                      48,
-                    ],
-                    "type": "VariableDeclaration",
-                  },
-                  "type": "Variable",
-                },
-              ],
-              "eslintUsed": undefined,
-              "identifiers": Array [
-                Object {
-                  "name": "a",
-                  "range": Array [
-                    43,
-                    44,
-                  ],
-                  "type": "Identifier",
-                },
-              ],
-              "name": "a",
-              "references": Array [
-                Object {
-                  "$ref": 6,
-                },
-                Object {
-                  "$ref": 7,
-                },
-              ],
-              "scope": Object {
-                "$ref": 8,
-              },
-            },
-          ],
-        },
-      ],
+      "childScopes": Array [],
       "functionExpressionScope": false,
-      "isStrict": true,
+      "isStrict": false,
       "references": Array [
         Object {
-          "$id": 2,
+          "$id": 6,
           "from": Object {
-            "$ref": 9,
+            "$ref": 8,
           },
           "identifier": Object {
             "name": "a",
             "range": Array [
-              6,
-              7,
+              43,
+              44,
             ],
             "type": "Identifier",
           },
           "kind": "w",
           "resolved": Object {
-            "$ref": 0,
+            "$ref": 5,
           },
           "writeExpr": Object {
             "range": Array [
-              10,
-              11,
+              47,
+              48,
             ],
             "type": "Literal",
           },
         },
         Object {
-          "$id": 3,
-          "from": Object {
-            "$ref": 9,
-          },
-          "identifier": Object {
-            "name": "a",
-            "range": Array [
-              57,
-              58,
-            ],
-            "type": "Identifier",
-          },
-          "kind": "r",
-          "resolved": Object {
-            "$ref": 0,
-          },
-          "writeExpr": undefined,
-        },
-        Object {
-          "$id": 4,
+          "$id": 7,
           "from": Object {
-            "$ref": 9,
+            "$ref": 8,
           },
           "identifier": Object {
-            "name": "N",
+            "name": "a",
             "range": Array [
-              59,
-              60,
+              53,
+              54,
             ],
             "type": "Identifier",
           },
           "kind": "r",
           "resolved": Object {
-            "$ref": 1,
+            "$ref": 5,
           },
           "writeExpr": undefined,
         },
       ],
       "throughReferences": Array [],
-      "type": "module",
+      "type": "block",
       "upperScope": Object {
-        "$ref": 10,
+        "$ref": 9,
       },
       "variableMap": Object {
-        "N": Object {
-          "$ref": 1,
-        },
         "a": Object {
-          "$ref": 0,
+          "$ref": 5,
         },
       },
       "variableScope": Object {
@@ -5279,28 +15679,28 @@ Object {
       },
       "variables": Array [
         Object {
-          "$id": 0,
+          "$id": 5,
           "defs": Array [
             Object {
               "name": Object {
                 "name": "a",
                 "range": Array [
-                  6,
-                  7,
+                  43,
+                  44,
                 ],
                 "type": "Identifier",
               },
               "node": Object {
                 "range": Array [
-                  6,
-                  11,
+                  43,
+                  48,
                 ],
                 "type": "VariableDeclarator",
               },
               "parent": Object {
                 "range": Array [
-                  0,
-                  11,
+                  37,
+                  48,
                 ],
                 "type": "VariableDeclaration",
               },
@@ -5312,8 +15712,8 @@ Object {
             Object {
               "name": "a",
               "range": Array [
-                6,
-                7,
+                43,
+                44,
               ],
               "type": "Identifier",
             },
@@ -5321,58 +15721,14 @@ Object {
           "name": "a",
           "references": Array [
             Object {
-              "$ref": 2,
-            },
-            Object {
-              "$ref": 3,
-            },
-          ],
-          "scope": Object {
-            "$ref": 9,
-          },
-        },
-        Object {
-          "$id": 1,
-          "defs": Array [
-            Object {
-              "name": Object {
-                "name": "N",
-                "range": Array [
-                  22,
-                  23,
-                ],
-                "type": "Identifier",
-              },
-              "node": Object {
-                "range": Array [
-                  12,
-                  56,
-                ],
-                "type": "TSModuleDeclaration",
-              },
-              "parent": null,
-              "type": "NamespaceName",
-            },
-          ],
-          "eslintUsed": undefined,
-          "identifiers": Array [
-            Object {
-              "name": "N",
-              "range": Array [
-                22,
-                23,
-              ],
-              "type": "Identifier",
+              "$ref": 6,
             },
-          ],
-          "name": "N",
-          "references": Array [
             Object {
-              "$ref": 4,
+              "$ref": 7,
             },
           ],
           "scope": Object {
-            "$ref": 9,
+            "$ref": 8,
           },
         },
       ],
@@ -5380,19 +15736,188 @@ Object {
   ],
   "functionExpressionScope": false,
   "isStrict": false,
-  "references": Array [],
+  "references": Array [
+    Object {
+      "$id": 2,
+      "from": Object {
+        "$ref": 9,
+      },
+      "identifier": Object {
+        "name": "a",
+        "range": Array [
+          6,
+          7,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "w",
+      "resolved": Object {
+        "$ref": 0,
+      },
+      "writeExpr": Object {
+        "range": Array [
+          10,
+          11,
+        ],
+        "type": "Literal",
+      },
+    },
+    Object {
+      "$id": 3,
+      "from": Object {
+        "$ref": 9,
+      },
+      "identifier": Object {
+        "name": "a",
+        "range": Array [
+          57,
+          58,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "r",
+      "resolved": Object {
+        "$ref": 0,
+      },
+      "writeExpr": undefined,
+    },
+    Object {
+      "$id": 4,
+      "from": Object {
+        "$ref": 9,
+      },
+      "identifier": Object {
+        "name": "N",
+        "range": Array [
+          59,
+          60,
+        ],
+        "type": "Identifier",
+      },
+      "kind": "r",
+      "resolved": Object {
+        "$ref": 1,
+      },
+      "writeExpr": undefined,
+    },
+  ],
   "throughReferences": Array [],
   "type": "global",
   "upperScope": null,
-  "variableMap": Object {},
+  "variableMap": Object {
+    "N": Object {
+      "$ref": 1,
+    },
+    "a": Object {
+      "$ref": 0,
+    },
+  },
   "variableScope": Object {
-    "$ref": 10,
+    "$ref": 9,
   },
-  "variables": Array [],
+  "variables": Array [
+    Object {
+      "$id": 0,
+      "defs": Array [
+        Object {
+          "name": Object {
+            "name": "a",
+            "range": Array [
+              6,
+              7,
+            ],
+            "type": "Identifier",
+          },
+          "node": Object {
+            "range": Array [
+              6,
+              11,
+            ],
+            "type": "VariableDeclarator",
+          },
+          "parent": Object {
+            "range": Array [
+              0,
+              11,
+            ],
+            "type": "VariableDeclaration",
+          },
+          "type": "Variable",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "a",
+          "range": Array [
+            6,
+            7,
+          ],
+          "type": "Identifier",
+        },
+      ],
+      "name": "a",
+      "references": Array [
+        Object {
+          "$ref": 2,
+        },
+        Object {
+          "$ref": 3,
+        },
+      ],
+      "scope": Object {
+        "$ref": 9,
+      },
+    },
+    Object {
+      "$id": 1,
+      "defs": Array [
+        Object {
+          "name": Object {
+            "name": "N",
+            "range": Array [
+              22,
+              23,
+            ],
+            "type": "Identifier",
+          },
+          "node": Object {
+            "range": Array [
+              12,
+              56,
+            ],
+            "type": "TSModuleDeclaration",
+          },
+          "parent": null,
+          "type": "NamespaceName",
+        },
+      ],
+      "eslintUsed": undefined,
+      "identifiers": Array [
+        Object {
+          "name": "N",
+          "range": Array [
+            22,
+            23,
+          ],
+          "type": "Identifier",
+        },
+      ],
+      "name": "N",
+      "references": Array [
+        Object {
+          "$ref": 4,
+        },
+      ],
+      "scope": Object {
+        "$ref": 9,
+      },
+    },
+  ],
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/rest-element.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/rest-element.ts 1`] = `
 Object {
   "$id": 4,
   "block": Object {
@@ -5546,7 +16071,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/type-alias.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/type-alias.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -5571,7 +16096,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/type-annotations.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/type-annotations.ts 1`] = `
 Object {
   "$id": 7,
   "block": Object {
@@ -5844,7 +16369,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/type-assertions.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/type-assertions.ts 1`] = `
 Object {
   "$id": 4,
   "block": Object {
@@ -5963,7 +16488,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/type-parameter.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/type-parameter.ts 1`] = `
 Object {
   "$id": 3,
   "block": Object {
@@ -6074,7 +16599,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/typeof.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/typeof.ts 1`] = `
 Object {
   "$id": 3,
   "block": Object {
@@ -6202,7 +16727,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/typeof-in-assertions.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/typeof-in-assertions.ts 1`] = `
 Object {
   "$id": 8,
   "block": Object {
@@ -6445,7 +16970,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/typeof-in-call-signature.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/typeof-in-call-signature.ts 1`] = `
 Object {
   "$id": 8,
   "block": Object {
@@ -6683,7 +17208,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/typeof-in-return-type.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/typeof-in-return-type.ts 1`] = `
 Object {
   "$id": 5,
   "block": Object {
@@ -6861,7 +17386,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/typeof-in-type-parameters.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/typeof-in-type-parameters.ts 1`] = `
 Object {
   "$id": 5,
   "block": Object {
@@ -7039,7 +17564,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/typeof-in-var.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/typeof-in-var.ts 1`] = `
 Object {
   "$id": 11,
   "block": Object {
@@ -7445,7 +17970,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-array-type.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-array-type.src.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -7470,7 +17995,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-conditional.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-conditional.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -7546,7 +18071,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-conditional-with-null.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-conditional-with-null.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -7622,7 +18147,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-indexed.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-indexed.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -7698,7 +18223,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-infer.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-infer.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -7723,7 +18248,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-intersection-type.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-intersection-type.src.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -7748,7 +18273,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-mapped.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-mapped.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -7824,7 +18349,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-mapped-readonly.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-mapped-readonly.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -7900,7 +18425,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-mapped-readonly-minus.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-mapped-readonly-minus.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -7976,7 +18501,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-mapped-readonly-plus.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-mapped-readonly-plus.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8052,7 +18577,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-nested-types.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-nested-types.src.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -8077,7 +18602,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-parenthesized-type.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-parenthesized-type.src.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -8102,7 +18627,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-reference.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-reference.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8178,7 +18703,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-reference-generic.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-reference-generic.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8254,7 +18779,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-reference-generic-nested.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-reference-generic-nested.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8330,7 +18855,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-tuple.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-tuple.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8406,7 +18931,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-tuple-empty.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-tuple-empty.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8482,7 +19007,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-tuple-optional.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-tuple-optional.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8558,7 +19083,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-tuple-rest.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-tuple-rest.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8634,7 +19159,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-tuple-type.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-tuple-type.src.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
@@ -8659,7 +19184,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-type-literal.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-type-literal.src.ts 1`] = `
 Object {
   "$id": 1,
   "block": Object {
@@ -8735,7 +19260,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-type-operator.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-type-operator.src.ts 1`] = `
 Object {
   "$id": 2,
   "block": Object {
@@ -8860,7 +19385,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-typeof.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-typeof.src.ts 1`] = `
 Object {
   "$id": 2,
   "block": Object {
@@ -8958,7 +19483,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-union-intersection.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-union-intersection.src.ts 1`] = `
 Object {
   "$id": 4,
   "block": Object {
@@ -9181,7 +19706,7 @@ Object {
 }
 `;
 
-exports[`TypeScript scope analysis tests/fixtures/scope-analysis/types-union-type.src.ts 1`] = `
+exports[`TypeScript scope analysis sourceType: script tests/fixtures/scope-analysis/types-union-type.src.ts 1`] = `
 Object {
   "$id": 0,
   "block": Object {
diff --git a/tests/lib/__snapshots__/tsx.js.snap b/tests/lib/__snapshots__/tsx.js.snap
index 2c696e0..34119d8 100644
--- a/tests/lib/__snapshots__/tsx.js.snap
+++ b/tests/lib/__snapshots__/tsx.js.snap
@@ -200,7 +200,7 @@ Object {
     0,
     34,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
diff --git a/tests/lib/__snapshots__/typescript.js.snap b/tests/lib/__snapshots__/typescript.js.snap
index dcb703d..320bf39 100644
--- a/tests/lib/__snapshots__/typescript.js.snap
+++ b/tests/lib/__snapshots__/typescript.js.snap
@@ -130,7 +130,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -463,7 +463,7 @@ Object {
     0,
     42,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -1768,7 +1768,7 @@ Object {
     0,
     63,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -2141,7 +2141,7 @@ Object {
     0,
     66,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3398,7 +3398,7 @@ Object {
     0,
     33,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -3804,7 +3804,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -4326,7 +4326,7 @@ Object {
     0,
     97,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -5338,7 +5338,7 @@ Object {
     0,
     174,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6230,7 +6230,7 @@ Object {
     0,
     26,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6622,7 +6622,7 @@ Object {
     0,
     58,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -6990,7 +6990,7 @@ Object {
     0,
     81,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7339,7 +7339,7 @@ Object {
     0,
     33,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -7830,7 +7830,7 @@ Object {
     0,
     46,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8331,7 +8331,7 @@ Object {
     0,
     31,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -8795,7 +8795,7 @@ Object {
     0,
     37,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9164,7 +9164,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9406,7 +9406,7 @@ Object {
     0,
     81,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -9721,7 +9721,7 @@ Object {
     0,
     33,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -10089,7 +10089,7 @@ Object {
     0,
     36,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -11173,7 +11173,7 @@ Object {
     0,
     207,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -12464,7 +12464,7 @@ Object {
     0,
     46,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -13016,7 +13016,7 @@ Object {
     0,
     68,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -13715,7 +13715,7 @@ Object {
     0,
     64,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -14177,7 +14177,7 @@ Object {
     0,
     41,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -14871,7 +14871,7 @@ Object {
     0,
     203,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -15997,7 +15997,7 @@ Object {
     0,
     211,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -17123,7 +17123,7 @@ Object {
     0,
     199,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -18071,7 +18071,7 @@ Object {
     0,
     109,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -18570,7 +18570,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -18980,7 +18980,7 @@ Object {
     0,
     59,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -19348,7 +19348,7 @@ Object {
     0,
     18,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -19643,7 +19643,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -19939,7 +19939,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -20218,7 +20218,7 @@ Object {
     0,
     39,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -20576,7 +20576,7 @@ Object {
     0,
     38,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -20945,7 +20945,7 @@ Object {
     0,
     42,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -21333,7 +21333,7 @@ Object {
     0,
     21,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -21819,7 +21819,7 @@ Object {
     0,
     65,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -24878,7 +24878,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -25437,7 +25437,7 @@ Object {
     0,
     52,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -26174,7 +26174,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -26812,7 +26812,7 @@ Object {
     0,
     41,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -27274,7 +27274,7 @@ Object {
     0,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -27750,7 +27750,7 @@ Object {
     0,
     52,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -28316,7 +28316,7 @@ Object {
     0,
     58,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -28985,7 +28985,7 @@ Object {
     0,
     97,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -29767,7 +29767,7 @@ Object {
     0,
     56,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -30386,7 +30386,7 @@ Object {
     0,
     31,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -30790,7 +30790,7 @@ Object {
     0,
     31,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -31049,7 +31049,7 @@ Object {
     0,
     35,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -31326,7 +31326,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -32764,7 +32764,7 @@ Object {
     0,
     297,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -34951,7 +34951,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -35409,7 +35409,7 @@ Object {
     0,
     37,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -35758,7 +35758,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -36042,7 +36042,7 @@ Object {
     0,
     88,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -36521,7 +36521,7 @@ Object {
     0,
     82,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -37105,7 +37105,7 @@ Object {
     0,
     28,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -37327,7 +37327,7 @@ Object {
     0,
     20,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -37713,7 +37713,7 @@ Object {
     0,
     44,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -38242,7 +38242,7 @@ Object {
     0,
     46,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -38902,7 +38902,7 @@ Object {
     0,
     82,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -39522,7 +39522,7 @@ Object {
     0,
     30,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -40146,7 +40146,7 @@ Object {
     0,
     82,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -40983,7 +40983,7 @@ Object {
     0,
     42,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -41493,7 +41493,7 @@ Object {
     0,
     37,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -41985,7 +41985,7 @@ Object {
     0,
     48,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -42441,7 +42441,7 @@ Object {
     0,
     31,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -42953,7 +42953,7 @@ Object {
     0,
     75,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -43776,7 +43776,7 @@ Object {
     0,
     138,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -44523,7 +44523,7 @@ Object {
     0,
     78,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -45119,7 +45119,7 @@ Object {
     0,
     90,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -45629,7 +45629,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -46036,7 +46036,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -46564,7 +46564,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -46968,7 +46968,7 @@ Object {
     0,
     55,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -47336,7 +47336,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -47731,7 +47731,7 @@ Object {
     0,
     72,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -48454,7 +48454,7 @@ Object {
     0,
     82,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -49171,7 +49171,7 @@ Object {
     0,
     55,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -49799,7 +49799,7 @@ Object {
     0,
     78,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -50276,7 +50276,7 @@ Object {
     0,
     20,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -50597,7 +50597,7 @@ Object {
     0,
     58,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -51083,7 +51083,7 @@ Object {
     0,
     57,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -51569,7 +51569,7 @@ Object {
     0,
     57,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -52035,7 +52035,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -52429,7 +52429,7 @@ Object {
     0,
     50,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -53092,7 +53092,7 @@ Object {
     0,
     116,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -53829,7 +53829,7 @@ Object {
     0,
     53,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -54422,7 +54422,7 @@ Object {
     0,
     66,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -55105,7 +55105,7 @@ Object {
     0,
     98,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -55842,7 +55842,7 @@ Object {
     0,
     111,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -56540,7 +56540,7 @@ Object {
     0,
     88,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -57225,7 +57225,7 @@ Object {
     0,
     93,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -57816,7 +57816,7 @@ Object {
     0,
     39,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -58263,7 +58263,7 @@ Object {
     0,
     54,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -58595,7 +58595,7 @@ Object {
     0,
     23,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -58802,7 +58802,7 @@ Object {
     0,
     38,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -59026,7 +59026,7 @@ Object {
     0,
     38,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -59251,7 +59251,7 @@ Object {
     0,
     14,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -59493,7 +59493,7 @@ Object {
     0,
     22,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -59789,7 +59789,7 @@ Object {
     0,
     16,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -60394,7 +60394,7 @@ Object {
     0,
     27,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -62465,7 +62465,7 @@ Object {
     0,
     596,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -65459,7 +65459,7 @@ Object {
     0,
     24,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -65882,7 +65882,7 @@ Object {
     0,
     21,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -66254,7 +66254,7 @@ Object {
     0,
     14,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -66517,7 +66517,7 @@ Object {
     0,
     57,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -66977,7 +66977,7 @@ Object {
     0,
     84,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -67676,7 +67676,7 @@ Object {
     0,
     114,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -68826,7 +68826,7 @@ Object {
     0,
     231,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
@@ -69645,7 +69645,7 @@ Object {
     0,
     33,
   ],
-  "sourceType": "script",
+  "sourceType": "module",
   "tokens": Array [
     Object {
       "loc": Object {
diff --git a/tests/lib/comments.js b/tests/lib/comments.js
index 008924e..e6714f1 100644
--- a/tests/lib/comments.js
+++ b/tests/lib/comments.js
@@ -35,7 +35,8 @@ describe("Comments", () => {
     testFiles.forEach(filename => {
         const code = shelljs.cat(`${path.resolve(FIXTURES_DIR, filename)}.src.js`);
         const config = {
-            jsx: true
+            jsx: true,
+            sourceType: "module"
         };
         test(`fixtures/${filename}.src`, testUtils.createSnapshotTestBlock(code, config));
     });
diff --git a/tests/lib/scope-analysis.js b/tests/lib/scope-analysis.js
index f56714b..eb60890 100644
--- a/tests/lib/scope-analysis.js
+++ b/tests/lib/scope-analysis.js
@@ -142,34 +142,69 @@ describe("TypeScript scope analysis", () => {
     const root = "tests/fixtures/scope-analysis";
     const files = fs.readdirSync(root).map(filename => path.join(root, filename).replace(/\\/g, "/"));
 
-    for (const filePath of files) {
-        test(filePath, () => {
-            const code = fs.readFileSync(filePath, "utf8");
-            const { scopeManager } = parser.parseForESLint(code, {
-                loc: true,
-                range: true,
-                tokens: true,
-                ecmaFeatures: {}
-            });
-            const { globalScope } = scopeManager;
-
-            // Do the postprocess to test.
-            // https://github.com/eslint/eslint/blob/4fe328787dd02d7a1f6fc21167f6175c860825e3/lib/linter.js#L222
-            globalScope.through = globalScope.through.filter(reference => {
-                const name = reference.identifier.name;
-                const variable = globalScope.set.get(name);
-                if (variable) {
-                    reference.resolved = variable;
-                    variable.references.push(reference);
-                    return false;
-                }
-                return true;
+    describe("sourceType: module", () => {
+        for (const filePath of files) {
+            test(filePath, () => {
+                const code = fs.readFileSync(filePath, "utf8");
+                const { scopeManager } = parser.parseForESLint(code, {
+                    loc: true,
+                    range: true,
+                    tokens: true,
+                    sourceType: "module",
+                    ecmaFeatures: {}
+                });
+                const { globalScope } = scopeManager;
+
+                // Do the postprocess to test.
+                // https://github.com/eslint/eslint/blob/4fe328787dd02d7a1f6fc21167f6175c860825e3/lib/linter.js#L222
+                globalScope.through = globalScope.through.filter(reference => {
+                    const name = reference.identifier.name;
+                    const variable = globalScope.set.get(name);
+                    if (variable) {
+                        reference.resolved = variable;
+                        variable.references.push(reference);
+                        return false;
+                    }
+                    return true;
+                });
+
+                const scopeTree = scopeToJSON(globalScope);
+                expect(scopeTree).toMatchSnapshot();
             });
+        }
+    });
 
-            const scopeTree = scopeToJSON(globalScope);
-            expect(scopeTree).toMatchSnapshot();
-        });
-    }
+    describe("sourceType: script", () => {
+        for (const filePath of files) {
+            test(filePath, () => {
+                const code = fs.readFileSync(filePath, "utf8");
+                const { scopeManager } = parser.parseForESLint(code, {
+                    loc: true,
+                    range: true,
+                    tokens: true,
+                    sourceType: "script",
+                    ecmaFeatures: {}
+                });
+                const { globalScope } = scopeManager;
+
+                // Do the postprocess to test.
+                // https://github.com/eslint/eslint/blob/4fe328787dd02d7a1f6fc21167f6175c860825e3/lib/linter.js#L222
+                globalScope.through = globalScope.through.filter(reference => {
+                    const name = reference.identifier.name;
+                    const variable = globalScope.set.get(name);
+                    if (variable) {
+                        reference.resolved = variable;
+                        variable.references.push(reference);
+                        return false;
+                    }
+                    return true;
+                });
+
+                const scopeTree = scopeToJSON(globalScope);
+                expect(scopeTree).toMatchSnapshot();
+            });
+        }
+    });
 
     const linter = new Linter();
     linter.defineParser("typescript-eslint-parser", parser);
@@ -312,7 +347,7 @@ export default class Test {
         expect(messages).toStrictEqual([]);
     });
 
-    test("https://github.com/eslint/typescript-eslint-parser/issues/535", () => {
+    test("1: https://github.com/eslint/typescript-eslint-parser/issues/535", () => {
         const code = `
 function foo({ bar }: { bar: string }) {
     console.log(bar);
@@ -330,7 +365,7 @@ function foo({ bar }: { bar: string }) {
         expect(messages).toStrictEqual([]);
     });
 
-    test("https://github.com/eslint/typescript-eslint-parser/issues/535", () => {
+    test("2: https://github.com/eslint/typescript-eslint-parser/issues/535", () => {
         const code = `
 import {
   observable,
@@ -345,6 +380,9 @@ export default class ListModalStore {
             parser: "typescript-eslint-parser",
             rules: {
                 "no-unused-vars": "error"
+            },
+            parserOptions: {
+                sourceType: "module"
             }
         };
         const messages = linter.verify(code, config, { filename: "issue.ts" });
@@ -370,4 +408,26 @@ function test(file: Blob) {
 
         expect(messages).toStrictEqual([]);
     });
+
+    test("https://github.com/bradzacher/eslint-plugin-typescript/issues/255", () => {
+        const code = `
+window.whatevs = {
+  myFunc() {
+    console.log('yep');
+  }
+};
+`;
+        const config = {
+            parser: "typescript-eslint-parser",
+            parserOptions: {
+                sourceType: "module"
+            },
+            rules: {
+                strict: "error"
+            }
+        };
+        const messages = linter.verify(code, config, { filename: "issue255.ts" });
+
+        expect(messages).toStrictEqual([]);
+    });
 });
diff --git a/tools/test-utils.js b/tools/test-utils.js
index f8dfdc5..f9d2e94 100644
--- a/tools/test-utils.js
+++ b/tools/test-utils.js
@@ -48,7 +48,8 @@ function createSnapshotTestBlock(code, config = {}) {
         raw: true,
         tokens: true,
         comment: true,
-        errorOnUnknownASTType: true
+        errorOnUnknownASTType: true,
+        sourceType: "module"
     };
     config = Object.assign({}, defaultConfig, config);