Revision f24f74eb8908ceb955b013547908dc83b0231772 authored by Babak K. Shandiz on 16 August 2022, 16:27:29 UTC, committed by GitHub on 16 August 2022, 16:27:29 UTC
* âď¸ Add test to verify code fix works when implementing a mapped type with indirect keyof Signed-off-by: Babak K. Shandiz <babak.k.shandiz@gmail.com> * đ¨ Add property as implementation for symbols that has no declaration Signed-off-by: Babak K. Shandiz <babak.k.shandiz@gmail.com> diff --git a/src/services/codefixes/helpers.ts b/src/services/codefixes/helpers.ts index 94b64e57..a4c11fd5 100644 --- a/src/services/codefixes/helpers.ts +++ b/src/services/codefixes/helpers.ts @@ -60,21 +60,19 @@ namespace ts.codefix { isAmbient = false, ): void { const declarations = symbol.getDeclarations(); - if (!(declarations && declarations.length)) { - return undefined; - } + const declaration = declarations ? declarations[0] : undefined; const checker = context.program.getTypeChecker(); const scriptTarget = getEmitScriptTarget(context.program.getCompilerOptions()); - const declaration = declarations[0]; + const kind = declaration?.kind ?? SyntaxKind.PropertySignature; const name = getSynthesizedDeepClone(getNameOfDeclaration(declaration), /*includeTrivia*/ false) as PropertyName; - const visibilityModifier = createVisibilityModifier(getEffectiveModifierFlags(declaration)); + const visibilityModifier = createVisibilityModifier(declaration ? getEffectiveModifierFlags(declaration) : ModifierFlags.None); const modifiers = visibilityModifier ? factory.createNodeArray([visibilityModifier]) : undefined; const type = checker.getWidenedType(checker.getTypeOfSymbolAtLocation(symbol, enclosingDeclaration)); const optional = !!(symbol.flags & SymbolFlags.Optional); const ambient = !!(enclosingDeclaration.flags & NodeFlags.Ambient) || isAmbient; const quotePreference = getQuotePreference(sourceFile, preferences); - switch (declaration.kind) { + switch (kind) { case SyntaxKind.PropertySignature: case SyntaxKind.PropertyDeclaration: const flags = quotePreference === QuotePreference.Single ? NodeBuilderFlags.UseSingleQuotesForStringLiteralType : undefined; @@ -88,13 +86,16 @@ namespace ts.codefix { } addClassElement(factory.createPropertyDeclaration( modifiers, - name, + declaration ? name : symbol.getName(), optional && (preserveOptional & PreserveOptionalFlags.Property) ? factory.createToken(SyntaxKind.QuestionToken) : undefined, typeNode, /*initializer*/ undefined)); break; case SyntaxKind.GetAccessor: case SyntaxKind.SetAccessor: { + if (!declarations) { + break; + } let typeNode = checker.typeToTypeNode(type, enclosingDeclaration, /*flags*/ undefined, getNoopSymbolTrackerWithResolver(context)); const allAccessors = getAllAccessorDeclarations(declarations, declaration as AccessorDeclaration); const orderedAccessors = allAccessors.secondAccessor @@ -138,6 +139,10 @@ namespace ts.codefix { // If there is more than one overload but no implementation signature // (eg: an abstract method or interface declaration), there is a 1-1 // correspondence of declarations and signatures. + if (!declarations) { + break; + } + const signatures = checker.getSignaturesOfType(type, SignatureKind.Call); if (!some(signatures)) { break; * đ¨ Improve code readability Signed-off-by: Babak K. Shandiz <babak.k.shandiz@gmail.com> diff --git a/src/services/codefixes/helpers.ts b/src/services/codefixes/helpers.ts index 2f5c8703ab..aea0206a8a 100644 --- a/src/services/codefixes/helpers.ts +++ b/src/services/codefixes/helpers.ts @@ -60,7 +60,7 @@ namespace ts.codefix { isAmbient = false, ): void { const declarations = symbol.getDeclarations(); - const declaration = declarations ? declarations[0] : undefined; + const declaration = declarations?.[0]; const checker = context.program.getTypeChecker(); const scriptTarget = getEmitScriptTarget(context.program.getCompilerOptions()); const kind = declaration?.kind ?? SyntaxKind.PropertySignature; @@ -93,9 +93,7 @@ namespace ts.codefix { break; case SyntaxKind.GetAccessor: case SyntaxKind.SetAccessor: { - if (!declarations) { - break; - } + Debug.assertIsDefined(declarations); let typeNode = checker.typeToTypeNode(type, enclosingDeclaration, /*flags*/ undefined, getNoopSymbolTrackerWithResolver(context)); const allAccessors = getAllAccessorDeclarations(declarations, declaration as AccessorDeclaration); const orderedAccessors = allAccessors.secondAccessor @@ -139,10 +137,7 @@ namespace ts.codefix { // If there is more than one overload but no implementation signature // (eg: an abstract method or interface declaration), there is a 1-1 // correspondence of declarations and signatures. - if (!declarations) { - break; - } - + Debug.assertIsDefined(declarations); const signatures = type.isUnion() ? flatMap(type.types, t => t.getCallSignatures()) : type.getCallSignatures(); if (!some(signatures)) { break; * đ Add comment regarding mapped type children's missing declaration Signed-off-by: Babak K. Shandiz <babak.k.shandiz@gmail.com> Signed-off-by: Babak K. Shandiz <babak.k.shandiz@gmail.com> Co-authored-by: Andrew Branch <andrew@wheream.io>
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