firebase-js-sdk/e2e/test-setup.js

/**
 * @license
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const fs = require('fs');

const contextHtml = fs.readFileSync('./context-template.html', 'utf8');
fs.writeFileSync(
  './context.html',
  // Include single quotes so it doesn't replace the comment.
  contextHtml.replace(
    "'APP_CHECK_DEBUG_TOKEN'",
    `'${process.env.APP_CHECK_DEBUG_TOKEN}'`
  )
);