microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-06 15:03:14 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Parameter improvements

Browse Source
This commit is contained in:
Arthur Ozga
2017-05-08 11:45:02 -07:00
parent 965b98f6cb
commit b00aea5c7c
1 changed files with 14 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/compiler/checker.ts
View File

@@ -2812,16 +2812,26 @@ namespace ts {
const parameterType = getTypeOfSymbol(parameterSymbol);
const parameterTypeNode = typeToTypeNodeHelper(parameterType, context);
const name = getDeepSynthesizedClone(parameterDeclaration.name);
let questionToken: Token<SyntaxKind.QuestionToken> | undefined;
let initializer: Expression | undefined;
if (isOptionalParameter(parameterDeclaration)) {
questionToken = createToken(SyntaxKind.QuestionToken);
}
else {
// TODO(aozgaa): In the future, check initializer accessibility.
initializer = parameterDeclaration.initializer;
}
const parameterNode = createParameter(
parameterDeclaration.decorators,
parameterDeclaration.modifiers,
parameterDeclaration.dotDotDotToken && createToken(SyntaxKind.DotDotDotToken),
// Clone name to remove trivia.
(parameterDeclaration ? isRestParameter(parameterDeclaration) : isTransientSymbol(parameterSymbol) && parameterSymbol.isRestParameter) ?
createToken(SyntaxKind.DotDotDotToken) :
undefined,
name,
parameterDeclaration.questionToken && createToken(SyntaxKind.QuestionToken),
questionToken,
parameterTypeNode,
parameterDeclaration.initializer);
initializer);
return parameterNode;
}