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refactor(language-service): refactor the method TypeWrapper.name and PipeSymbol.selectSignature (#34177) 

PR Close #34177
This commit is contained in:
ivanwonder 2019-12-04 14:09:48 +08:00 committed by Andrew Kushnir
parent 7a86a32040
commit a91ca99b1f
1 changed files with 5 additions and 19 deletions
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24
packages/language-service/src/typescript_symbols.ts
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@ -244,16 +244,7 @@ class TypeWrapper implements Symbol {
} }
} }
get name(): string { get name(): string { return this.context.checker.typeToString(this.tsType); }
const symbol = this.tsType.symbol;
if (symbol) {
return symbol.name;
} else {
// A primitive type (e.g. 'string') doesn't have Symbol,
// so use the ts.TypeChecker to get the type name.
return this.context.checker.typeToString(this.tsType);
}
}
public readonly kind: DeclarationKind = 'type'; public readonly kind: DeclarationKind = 'type';
@ -617,15 +608,10 @@ class PipeSymbol implements Symbol {
let resultType: ts.Type|undefined = undefined; let resultType: ts.Type|undefined = undefined;
switch (this.name) { switch (this.name) {
case 'async': case 'async':
switch (parameterType.name) { // Get symbol of 'Observable', 'Promise', or 'EventEmitter' type.
case 'Observable': const symbol = parameterType.tsType.symbol;
case 'Promise': if (symbol) {
case 'EventEmitter': resultType = getTypeParameterOf(parameterType.tsType, symbol.name);
resultType = getTypeParameterOf(parameterType.tsType, parameterType.name);
break;
default:
resultType = getTsTypeFromBuiltinType(BuiltinType.Any, this.context);
break;
} }
break; break;
case 'slice': case 'slice':