/* eslint-disable @typescript-eslint/no-var-requires */ const Environment = require('jest-environment-jsdom'); /** * Set up a custom JSDOM-based test environment for Jest so we can add things JSDOM doesn't support */ class CustomTestEnvironment extends Environment { async setup() { await super.setup(); /** * JSDOM doesn't implement TextEncoder so we need to fake it with Node's * * Solved thanks to https://stackoverflow.com/a/57713960/2133271 */ if (typeof this.global.TextEncoder === 'undefined') { const { TextEncoder } = require('util'); this.global.TextEncoder = TextEncoder; } /** * Add support for TextDecoder to JSDOM */ if (typeof this.global.TextDecoder === 'undefined') { const { TextDecoder } = require('util'); this.global.TextDecoder = TextDecoder; } } } module.exports = CustomTestEnvironment;