git.squeep.com Git - websub-hub/blob - config/index.js

   1 'use strict';
   2
   3 const common = require('../src/common');
   4
   5 const defaultEnvironment = 'development';
   6 const testEnvironment = 'test';
   7
   8 /**
   9  * Merge environment-specific config objects on top of defaults.
  10  * @param {string=} environment from NODE_ENV
  11  * @returns {object} config
  12  */
  13 function Config(environment) {
  14   environment = environment || defaultEnvironment;
  15   const defaultConfig = require('./default');
  16   let envConfig = require(`./${environment}`); // eslint-disable-line security/detect-non-literal-require
  17   if (!Array.isArray(envConfig)) {
  18     envConfig = Array(envConfig);
  19   }
  20   // We support arrays of config options in env to allow e.g. resetting an existing array
  21   const combinedConfig = common.mergeDeep(defaultConfig, ...envConfig, { environment });
  22   if (!environment.includes(testEnvironment)) {
  23     /* istanbul ignore next */
  24     common.freezeDeep(combinedConfig);
  25   }
  26   return combinedConfig;
  27 }
  28
  29 module.exports = Config;