1// Copyright (C) 2024 The Android Open Source Project 2// 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 15const JSDOMEnvironment = require('jest-environment-jsdom').default; 16 17module.exports = class JestJsdomEnv extends JSDOMEnvironment { 18 constructor(...args) { 19 super(...args); 20 21 // vega-lite, which is pulled in by tests, depends on structuredClone. 22 // The jsdom envinronment doesn't emulate it yet. So here we create a wrapper 23 // around it that fills the gap. 24 // See https://github.com/jsdom/jsdom/issues/3363 . 25 this.global.structuredClone = structuredClone; 26 27 this.global.TextDecoder = TextDecoder; 28 this.global.TextEncoder = TextEncoder; 29 } 30}; 31