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Fix FunctionType emit when only parameter has no type

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Fixes: #27018
This commit is contained in:
Klaus Meinhardt
2018-09-11 09:39:11 +02:00
parent e9c6d967f6
commit 66a401ae64
2 changed files with 3 additions and 2 deletions
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3
src/compiler/emitter.ts
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@@ -2818,7 +2818,8 @@ namespace ts {
const parameter = singleOrUndefined(parameters);
return parameter
&& parameter.pos === parentNode.pos // may not have parsed tokens between parent and parameter
&& !(isArrowFunction(parentNode) && parentNode.type) // arrow function may not have return type annotation
&& isArrowFunction(parentNode) // only arrow functions may have simple arrow head
&& !parentNode.type // arrow function may not have return type annotation
&& !some(parentNode.decorators) // parent may not have decorators
&& !some(parentNode.modifiers) // parent may not have modifiers
&& !some(parentNode.typeParameters) // parent may not have type parameters