1/* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this 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 */ 15 16module.exports = function(api) { 17 api.cache(true); 18 19 const presets = ['@babel/preset-env']; 20 const plugins = [ 21 '@babel/plugin-transform-modules-commonjs', 22 '@babel/plugin-proposal-class-properties', 23 '@babel/plugin-transform-runtime', 24 ]; 25 if (process.env.DEVICE_LEVEL === 'lite') { 26 plugins.push([ 27 '@babel/plugin-transform-arrow-functions', 28 { 29 spec: true, 30 }, 31 ]); 32 } 33 return { 34 presets, 35 plugins, 36 }; 37}; 38