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Merge pull request #10543 from Microsoft/port10212

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Port #10212
This commit is contained in:
Mohamed Hegazy
2016-08-25 21:01:10 -07:00
committed by GitHub
parent 0041d5ce79 15ff0f7956
commit c72f5e28e8
3 changed files with 7 additions and 5 deletions
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src/compiler/declarationEmitter.ts
+4 -2
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@@ -1132,8 +1132,10 @@ namespace ts {
// it if it's not a well known symbol. In that case, the text of the name will be exactly
// what we want, namely the name expression enclosed in brackets.
writeTextOfNode(currentText, node.name);
// If optional property emit ?
if ((node.kind === SyntaxKind.PropertyDeclaration || node.kind === SyntaxKind.PropertySignature || node.kind === SyntaxKind.Parameter) && hasQuestionToken(node)) {
// If optional property emit ? but in the case of parameterProperty declaration with "?" indicating optional parameter for the constructor
// we don't want to emit property declaration with "?"
if ((node.kind === SyntaxKind.PropertyDeclaration || node.kind === SyntaxKind.PropertySignature ||
(node.kind === SyntaxKind.Parameter && !isParameterPropertyDeclaration(node))) && hasQuestionToken(node)) {
write("?");
}
if ((node.kind === SyntaxKind.PropertyDeclaration || node.kind === SyntaxKind.PropertySignature) && node.parent.kind === SyntaxKind.TypeLiteral) {