violentmonkey/test/mock/polyfill.js

import tldRules from 'tldjs/rules.json';
import { JSDOM } from 'jsdom';

global.window = new JSDOM('').window;
global.browser = {
  storage: {
    local: {
      get() {
        return Promise.resolve({
          'dat:tldRules': tldRules,
        });
      },
      set() {
        return Promise.resolve();
      },
    },
  },
  runtime: {
    getURL: path => path,
  },
};
global.chrome = {
  runtime: {
    getURL: browser.runtime.getURL,
  },
};
if (!window.Response) window.Response = { prototype: {} };
const domProps = Object.getOwnPropertyDescriptors(window);
for (const k of Object.keys(domProps)) {
  // Skipping ***Storage and native global methods
  if (k.endsWith('Storage') || /^[a-z]/.test(k) && (k in global)) {
    delete domProps[k];
  }
}
Object.defineProperties(global, domProps);
global.__VAULT_ID__ = false;
Object.assign(global, require('@/common/safe-globals'));
Object.assign(global, require('@/injected/safe-globals-injected'));
Object.assign(global, require('@/injected/content/safe-globals-content'));
Object.assign(global, require('@/injected/web/safe-globals-web'));