Function getInheritedDocsOfClass

tools/dgeni/common/class-inheritance.ts:31–55

(
  doc: ClassLikeExportDoc,
  exportSymbolsToDocsMap: Map<ts.Symbol, ClassLikeExportDoc>,
)

/** Gets all class like export documents which the given doc inherits from. */
export function getInheritedDocsOfClass(
  doc: ClassLikeExportDoc,
  exportSymbolsToDocsMap: Map<ts.Symbol, ClassLikeExportDoc>,
): ClassLikeExportDoc[] {
  const result: ClassLikeExportDoc[] = [];
  const typeChecker = doc.typeChecker;
  for (let info of doc.extendsClauses) {
    if (info.doc) {
      result.push(info.doc, ...getInheritedDocsOfClass(info.doc, exportSymbolsToDocsMap));
    } else if (info.type) {
      // If the heritage info has not been resolved to a Dgeni API document, we try to
      // interpret the type expression and resolve/create corresponding Dgeni API documents.
      // An example is the use of mixins. Type-wise mixins are not like real classes, because
      // they are composed through an intersection type. In order to handle this pattern, we
      // need to handle intersection types manually and resolve them to Dgeni API documents.
      const resolvedType = typeChecker.getTypeAtLocation(info.type);
      const docs = getClassLikeDocsFromType(resolvedType, doc, exportSymbolsToDocsMap);
      // Add direct class-like types resolved from the expression.
      result.push(...docs);
      // Resolve inherited docs of the resolved documents.
      docs.forEach(d => result.push(...getInheritedDocsOfClass(d, exportSymbolsToDocsMap)));
    }
  }
  return result;
}

/**
 * Gets all class-like Dgeni documents from the given type. e.g. intersection types of