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This commit is contained in:
Ron Buckton
2016-06-27 17:39:24 -07:00
parent 644e4dacaf
commit 9e3d6f8585
1 changed files with 12 additions and 5 deletions
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17
src/compiler/binder.ts
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@@ -2590,14 +2590,17 @@ namespace ts {
transformFlags |= TransformFlags.AssertTypeScript;
}
// If a FunctionDeclaration has an asterisk token, is exported, or its
// subtree has marked the container as needing to capture the lexical `this`,
// then this node is ES6 syntax.
// If a FunctionDeclaration is exported or its subtree has marked the container as
// needing to capture the lexical `this`, then this node is ES6 syntax.
if (subtreeFlags & TransformFlags.ES6FunctionSyntaxMask) {
transformFlags |= TransformFlags.AssertES6;
}
// Currently, we only support generators that were originally async function bodies.
// If a FunctionDeclaration is generator function and is the body of a
// transformed async function, then this node can be transformed to a
// down-level generator.
// Currently we do not support transforming any other generator fucntions
// down level.
if (asteriskToken && node.emitFlags & NodeEmitFlags.AsyncFunctionBody) {
transformFlags |= TransformFlags.AssertGenerator;
}
@@ -2623,7 +2626,11 @@ namespace ts {
transformFlags |= TransformFlags.AssertES6;
}
// Currently, we only support generators that were originally async function bodies.
// If a FunctionExpression is generator function and is the body of a
// transformed async function, then this node can be transformed to a
// down-level generator.
// Currently we do not support transforming any other generator fucntions
// down level.
if (asteriskToken && node.emitFlags & NodeEmitFlags.AsyncFunctionBody) {
transformFlags |= TransformFlags.AssertGenerator;
}