Fall back to raw text if there is a parser error in JS

Handle default value inside object destructuring that way sveltejs#163
dummdidumm · Nov 30, 2020 · 34dfffd · 34dfffd
1 parent 88c2566
commit 34dfffd
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Showing 4 changed files with 17 additions and 10 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -36,7 +36,7 @@
         "rollup-plugin-commonjs": "9.2.0",
         "rollup-plugin-node-resolve": "4.0.0",
         "rollup-plugin-typescript": "1.0.0",
-        "svelte": "^3.28.0",
+        "svelte": "^3.30.0",
         "ts-node": "^7.0.1",
         "tslib": "^1.9.3",
         "typescript": "3.2.4"

diff --git a/src/embed.ts b/src/embed.ts
@@ -24,12 +24,16 @@ export function embed(
     const node: Node = path.getNode();
 
     if (node.isJS) {
-        return removeLines(
-            textToDoc(forceIntoExpression(getText(node, options)), {
-                parser: expressionParser,
-                singleQuote: true,
-            }),
-        );
+        try {
+            return removeLines(
+                textToDoc(forceIntoExpression(getText(node, options)), {
+                    parser: expressionParser,
+                    singleQuote: true,
+                }),
+            );
+        } catch (e) {
+            return getText(node, options);
+        }
     }
 
     const embedType = (tag: string, parser: 'typescript' | 'css', isTopLevel: boolean) =>

diff --git a/test/printer/samples/each-block-destructured-default-value.html b/test/printer/samples/each-block-destructured-default-value.html
@@ -0,0 +1,3 @@
+{#each animals as {key, value = []}}
+    <p>{key}: {value}</p>
+{/each}