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check if functionExpression name is used

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This commit is contained in:
BigAru
2018-11-08 05:51:53 +01:00
parent 9a466f4e9c
commit dfb86acbb9
3 changed files with 64 additions and 5 deletions
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src/services/refactors/convertArrowFunctionOrFunctionExpression.ts
+8 -5
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@@ -26,8 +26,8 @@ namespace ts.refactor.convertArrowFunctionOrFunctionExpression {
}
function getAvailableActions(context: RefactorContext): ReadonlyArray<ApplicableRefactorInfo> {
const { file, startPosition } = context;
const info = getFunctionInfo(file, startPosition);
const { file, startPosition, program } = context;
const info = getFunctionInfo(file, startPosition, program);
if (!info) return emptyArray;
const { selectedVariableDeclaration, func } = info;
@@ -62,8 +62,8 @@ namespace ts.refactor.convertArrowFunctionOrFunctionExpression {
}
function getEditsForAction(context: RefactorContext, actionName: string): RefactorEditInfo | undefined {
const { file, startPosition } = context;
const info = getFunctionInfo(file, startPosition);
const { file, startPosition, program } = context;
const info = getFunctionInfo(file, startPosition, program);
if (!info) return undefined;
const { func } = info;
@@ -93,14 +93,17 @@ namespace ts.refactor.convertArrowFunctionOrFunctionExpression {
return { renameFilename: undefined, renameLocation: undefined, edits };
}
function getFunctionInfo(file: SourceFile, startPosition: number): FunctionInfo | undefined {
function getFunctionInfo(file: SourceFile, startPosition: number, program: Program): FunctionInfo | undefined {
const token = getTokenAtPosition(file, startPosition);
const arrowFunc = getArrowFunctionFromVariableDeclaration(token.parent);
if (arrowFunc) return { selectedVariableDeclaration: true, func: arrowFunc };
const maybeFunc = getContainingFunction(token);
const typeChecker = program.getTypeChecker();
if (maybeFunc && (isFunctionExpression(maybeFunc) || isArrowFunction(maybeFunc)) && !rangeContainsRange(maybeFunc.body, token)) {
if ((isFunctionExpression(maybeFunc) && maybeFunc.name && FindAllReferences.Core.isSymbolReferencedInFile(maybeFunc.name, typeChecker, file))) return undefined;
return { selectedVariableDeclaration: false, func: maybeFunc };
}