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This commit is contained in:
Ron Buckton 2016-07-18 15:57:06 -07:00
parent c832444f1e
commit c2857672dc
1 changed files with 6 additions and 4 deletions
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10
src/compiler/binder.ts
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@ -2643,8 +2643,9 @@ namespace ts {
transformFlags |= TransformFlags.AssertTypeScript;
}
// 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 a FunctionDeclaration's subtree has marked the container as needing to capture the
// lexical this, or the function contains parameters with initializers, then this node is
// ES6 syntax.
if (subtreeFlags & TransformFlags.ES6FunctionSyntaxMask) {
transformFlags |= TransformFlags.AssertES6;
}
@ -2673,8 +2674,9 @@ namespace ts {
transformFlags |= TransformFlags.AssertTypeScript;
}
// If a FunctionExpression contains an asterisk token, or its subtree has marked the container
// as needing to capture the lexical this, then this node is ES6 syntax.
// If a FunctionExpression's subtree has marked the container as needing to capture the
// lexical this, or the function contains parameters with initializers, then this node is
// ES6 syntax.
if (subtreeFlags & TransformFlags.ES6FunctionSyntaxMask) {
transformFlags |= TransformFlags.AssertES6;
}