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add lookup for extends class when implement interface

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王文璐
2018-05-28 18:38:07 +08:00
parent 927343cf3a
commit f9a55beec5
2 changed files with 51 additions and 1 deletions
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13
src/services/codefixes/helpers.ts
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@@ -7,14 +7,25 @@ namespace ts.codefix {
* @returns Empty string iff there are no member insertions.
*/
export function createMissingMemberNodes(classDeclaration: ClassLikeDeclaration, possiblyMissingSymbols: ReadonlyArray<Symbol>, checker: TypeChecker, preferences: UserPreferences, out: (node: ClassElement) => void): void {
const heritageClauseSymbolTable = getHeritageClauseSymbolTable(classDeclaration, checker);
const classMembers = classDeclaration.symbol.members!;
for (const symbol of possiblyMissingSymbols) {
if (!classMembers.has(symbol.escapedName)) {
if (!classMembers.has(symbol.escapedName) && !(heritageClauseSymbolTable && heritageClauseSymbolTable.has(symbol.escapedName))) {
addNewNodeForMemberSymbol(symbol, classDeclaration, checker, preferences, out);
}
}
}
function getHeritageClauseSymbolTable (classDeclaration: ClassLikeDeclaration, checker: TypeChecker): SymbolTable | undefined {
const heritageClauseNode = getClassExtendsHeritageClauseElement(classDeclaration);
if (!heritageClauseNode) return undefined;
const heritageClauseType = checker.getTypeAtLocation(heritageClauseNode) as InterfaceType;
const heritageClauseTypeSymbols = checker.getPropertiesOfType(heritageClauseType);
const nonPrivateMembers = heritageClauseTypeSymbols.filter(symbol => !(getModifierFlags(symbol.valueDeclaration) & ModifierFlags.Private));
return createSymbolTable(nonPrivateMembers);
}
/**
* @returns Empty string iff there we can't figure out a representation for `symbol` in `enclosingDeclaration`.
*/