Boolean flags inherit from env (#375)

TypeStrong · Jul 4, 2017 · 394ddb8 · 394ddb8
1 parent 82effb2
commit 394ddb8
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Showing 3 changed files with 27 additions and 1 deletion.
diff --git a/src/_bin.ts b/src/_bin.ts
@@ -101,7 +101,9 @@ const argv = minimist<Argv>(process.argv.slice(2, stop), {
   boolean: booleans,
   alias: aliases,
   default: {
-    cache: true
+    cache: null,
+    fast: null,
+    disableWarnings: null
   }
 })
 

diff --git a/src/index.spec.ts b/src/index.spec.ts
@@ -100,6 +100,25 @@ describe('ts-node', function () {
       )
     })
 
+    it('should be able to disable warnings from environment', function (done) {
+      exec(
+        `${BIN_EXEC} tests/compiler-error`,
+        {
+          env: {
+            PATH: process.env.PATH,
+            TS_NODE_DISABLE_WARNINGS: true
+          }
+        },
+        function (err) {
+          expect(err.message).to.match(
+            /TypeError: (?:(?:undefined|str\.toUpperCase) is not a function|.*has no method \'toUpperCase\')/
+          )
+
+          return done()
+        }
+      )
+    })
+
     it('should work with source maps', function (done) {
       exec(`${BIN_EXEC} tests/throw`, function (err) {
         expect(err.message).to.contain([

diff --git a/tests/compiler-error.ts b/tests/compiler-error.ts
@@ -0,0 +1,5 @@
+function upper (str: string) {
+  return str.toUpperCase()
+}
+
+upper(10)