function gatherClasses()

in lib/merge.ts [589:614]

• 22 lines of code
• 8 McCabe index (conditional complexity)

  function gatherClasses(n: ts.Node, classes: Map<string, base.ClassLike>) {
    if (ts.isClassExpression(n) || ts.isClassDeclaration(n) || ts.isInterfaceDeclaration(n)) {
      let classDecl = <base.ClassLike>n;
      let name = classDecl.name.text;
      // TODO(jacobr): validate that the classes have consistent
      // modifiers, etc.
      if (classes.has(name)) {
        let existing = classes.get(name);
        (classDecl.members as ts.NodeArray<ts.ClassElement>).forEach((e: ts.ClassElement) => {
          // Small hack to get around NodeArrays being readonly
          Array.prototype.push.call(existing.members, e);
          e.parent = existing;
        });
        nodeReplacements.set(classDecl, undefined);
      } else {
        classes.set(name, classDecl);
        // Perform other class level post processing here.
      }
    } else if (ts.isModuleDeclaration(n) || ts.isSourceFile(n)) {
      const moduleClasses: Map<string, base.ClassLike> = new Map();
      ts.forEachChild(n, (child) => gatherClasses(child, moduleClasses));
      ts.forEachChild(n, (child) => mergeVariablesIntoClasses(child, moduleClasses));
    } else if (ts.isModuleBlock(n)) {
      ts.forEachChild(n, (child) => gatherClasses(child, classes));
    }
  }