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Allow for undefined in type

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Benjamin Lichtman
2018-08-30 16:53:46 -07:00
parent f4765a6ea3
commit 64bbf8925c
1 changed files with 2 additions and 2 deletions
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4
src/services/codefixes/convertToAsyncFunction.ts
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@@ -43,7 +43,7 @@ namespace ts.codefix {
function convertToAsyncFunction(changes: textChanges.ChangeTracker, sourceFile: SourceFile, position: number, checker: TypeChecker, context: CodeFixContextBase): void {
// get the function declaration - returns a promise
const tokenAtPosition = getTokenAtPosition(sourceFile, position);
let functionToConvert: FunctionLikeDeclaration;
let functionToConvert: FunctionLikeDeclaration | undefined;
// if the parent of a FunctionLikeDeclaration is a variable declaration, the convertToAsync diagnostic will be reported on the variable name
if (isIdentifier(tokenAtPosition) && isVariableDeclaration(tokenAtPosition.parent) &&
@@ -51,7 +51,7 @@ namespace ts.codefix {
functionToConvert = tokenAtPosition.parent.initializer;
}
else {
functionToConvert = getContainingFunction(getTokenAtPosition(sourceFile, position)) as FunctionLikeDeclaration;
functionToConvert = tryCast(getContainingFunction(getTokenAtPosition(sourceFile, position)), isFunctionLikeDeclaration);
}
if (!functionToConvert) {