Function applyChanges

packages/schematics/angular/utility/ast-utils_spec.ts:28–40

(path: string, content: string, changes: Change[])

}

function applyChanges(path: string, content: string, changes: Change[]): string {
  const tree = new HostTree();
  tree.create(path, content);
  const exportRecorder = tree.beginUpdate(path);
  for (const change of changes) {
    if (change instanceof InsertChange) {
      exportRecorder.insertLeft(change.pos, change.toAdd);
    }
  }
  tree.commitUpdate(exportRecorder);

  return tree.readText(path);
}

describe('ast utils', () => {
  let modulePath: string;