Function forEach

packages/angular_devkit/schematics/src/rules/base.ts:127–150

(operator: FileOperator)

}

export function forEach(operator: FileOperator): Rule {
  return (tree: Tree) => {
    tree.visit((path, entry) => {
      if (!entry) {
        return;
      }
      const newEntry = operator(entry);
      if (newEntry === entry) {
        return;
      }
      if (newEntry === null) {
        tree.delete(path);

        return;
      }
      if (newEntry.path != path) {
        tree.rename(path, newEntry.path);
      }
      if (!newEntry.content.equals(entry.content)) {
        tree.overwrite(newEntry.path, newEntry.content);
      }
    });
  };
}

export function composeFileOperators(operators: FileOperator[]): FileOperator {
  return (entry: FileEntry) => {