1// Copyright (C) 2021 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use size file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15export type Arg = string|{kind: 'SLICE', trackId: string, sliceId: number}; 16export type Args = Map<string, Arg>; 17 18export type ArgsTree = ArgsTreeMap|ArgsTreeArray|string; 19export type ArgsTreeArray = ArgsTree[]; 20export interface ArgsTreeMap { 21 [key: string]: ArgsTree; 22} 23 24export function isArgTreeArray(item: ArgsTree): item is ArgsTreeArray { 25 return typeof item === 'object' && item.length !== undefined; 26} 27 28export function isArgTreeMap(item: ArgsTree): item is ArgsTreeMap { 29 return typeof item === 'object' && item.length === undefined; 30} 31