Treat .js as JSX

RyanCavanaugh · RyanCavanaugh · commit 2653a8da461e · 2016-01-21T12:27:11.000-08:00
diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
@@ -546,7 +546,7 @@ namespace ts {
 
         function getLanguageVariant(fileName: string) {
             // .tsx and .jsx files are treated as jsx language variant.
-            return fileExtensionIs(fileName, ".tsx") || fileExtensionIs(fileName, ".jsx") ?  LanguageVariant.JSX  : LanguageVariant.Standard;
+            return fileExtensionIs(fileName, ".tsx") || fileExtensionIs(fileName, ".jsx") || fileExtensionIs(fileName, '.js') ?  LanguageVariant.JSX  : LanguageVariant.Standard;
         }
 
         function initializeState(fileName: string, _sourceText: string, languageVersion: ScriptTarget, isJavaScriptFile: boolean, _syntaxCursor: IncrementalParser.SyntaxCursor) {

Original file line number	Diff line number	Diff line change
`@@ -546,7 +546,7 @@ namespace ts {`
`546`	`546`
`547`	`547`	`function getLanguageVariant(fileName: string) {`
`548`	`548`	`// .tsx and .jsx files are treated as jsx language variant.`
`549`		`- return fileExtensionIs(fileName, ".tsx") \|\| fileExtensionIs(fileName, ".jsx") ? LanguageVariant.JSX : LanguageVariant.Standard;`
	`549`	`+ return fileExtensionIs(fileName, ".tsx") \|\| fileExtensionIs(fileName, ".jsx") \|\| fileExtensionIs(fileName, '.js') ? LanguageVariant.JSX : LanguageVariant.Standard;`
`550`	`550`	`}`
`551`	`551`
`552`	`552`	`function initializeState(fileName: string, _sourceText: string, languageVersion: ScriptTarget, isJavaScriptFile: boolean, _syntaxCursor: IncrementalParser.SyntaxCursor) {`