Small fix

ahejlsberg · ahejlsberg · commit ab993c2b48e6 · 2020-04-21T09:49:11.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -7529,9 +7529,11 @@ namespace ts {
         }
 
         function isAutoTypedProperty(symbol: Symbol) {
-            // A property is auto-typed in noImplicitAny mode when its declaration has no type annotation or initializer.
+            // A property is auto-typed when its declaration has no type annotation or initializer and we're in
+            // noImplicitAny mode or a .js file.
             const declaration = symbol.valueDeclaration;
-            return noImplicitAny && declaration && isPropertyDeclaration(declaration) && !declaration.type && !declaration.initializer;
+            return declaration && isPropertyDeclaration(declaration) && !getEffectiveTypeAnnotationNode(declaration) &&
+                !declaration.initializer && (noImplicitAny || isInJSFile(declaration));
         }
 
         function getDeclaringConstructor(symbol: Symbol) {

Original file line number	Diff line number	Diff line change
`@@ -7529,9 +7529,11 @@ namespace ts {`
`7529`	`7529`	`}`
`7530`	`7530`
`7531`	`7531`	`function isAutoTypedProperty(symbol: Symbol) {`
`7532`		`- // A property is auto-typed in noImplicitAny mode when its declaration has no type annotation or initializer.`
	`7532`	`+ // A property is auto-typed when its declaration has no type annotation or initializer and we're in`
	`7533`	`+ // noImplicitAny mode or a .js file.`
`7533`	`7534`	`const declaration = symbol.valueDeclaration;`
`7534`		`- return noImplicitAny && declaration && isPropertyDeclaration(declaration) && !declaration.type && !declaration.initializer;`
	`7535`	`+ return declaration && isPropertyDeclaration(declaration) && !getEffectiveTypeAnnotationNode(declaration) &&`
	`7536`	`+ !declaration.initializer && (noImplicitAny \|\| isInJSFile(declaration));`
`7535`	`7537`	`}`
`7536`	`7538`
`7537`	`7539`	`function getDeclaringConstructor(symbol: Symbol) {`