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Add '?' in quick info for optional properties/methods (#23480)

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This commit is contained in:
Andy
2018-04-17 12:42:23 -07:00
committed by GitHub
parent 56d83f9572
commit b00e370605
4 changed files with 8 additions and 4 deletions
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4
src/services/symbolDisplay.ts
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@@ -549,6 +549,10 @@ namespace ts.SymbolDisplay {
const fullSymbolDisplayParts = symbolToDisplayParts(typeChecker, symbolToDisplay, enclosingDeclaration || sourceFile, /*meaning*/ undefined,
SymbolFormatFlags.WriteTypeParametersOrArguments | SymbolFormatFlags.UseOnlyExternalAliasing | SymbolFormatFlags.AllowAnyNodeKind);
addRange(displayParts, fullSymbolDisplayParts);
if (symbol.flags & SymbolFlags.Optional) {
displayParts.push(punctuationPart(SyntaxKind.QuestionToken));
}
}
function addPrefixForAnyFunctionOrVar(symbol: Symbol, symbolKind: string) {