vitess.io/vitess@v0.16.2/web/vtadmin/src/util/env.ts (about) 1 /** 2 * Copyright 2022 The Vitess Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 export const env: () => NodeJS.ProcessEnv = () => { 18 return { ...window.env, ...process.env }; 19 }; 20 21 // process.env variables are always strings, hence this tiny helper function 22 // to transmute it into a boolean. It is a function, rather than a constant, 23 // to support dynamic updates to process.env in tests. 24 export const isReadOnlyMode = (): boolean => env().REACT_APP_READONLY_MODE === 'true';