Function createReplacement

build-system/babel-config/helpers.js:39–45

* @param {string} identifierName the identifier name to replace * @param {boolean|string} value the value to replace with * @return {!Object} replacement options used by minify-replace plugin

(identifierName, value)

   * @return {!Object} replacement options used by minify-replace plugin
   */
  function createReplacement(identifierName, value) {
    const replacement =
      typeof value === 'boolean'
        ? {type: 'booleanLiteral', value}
        : {type: 'stringLiteral', value};
    return {identifierName, replacement};
  }

  const constants = Object.assign({}, BUILD_CONSTANTS, opt_overrides);
  const replacements = Object.entries(constants).map(([ident, val]) =>