babel-core/lib/babel/transformation/transformers/other/inline-environment-variables.js

Turn ES6 code into readable vanilla ES5 with source maps

"use strict";

var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };

exports.MemberExpression = MemberExpression;

var t = _interopRequire(require("../../../types"));

var optional = exports.optional = true;

var match = t.buildMatchMemberExpression("process.env");

function MemberExpression(node) {
  if (match(node.object)) {
    var key = t.toComputedKey(node, node.property);
    if (!t.isLiteral(key)) return;

    var env = process.env[key.value];
    if (env === undefined) {
      return t.identifier("undefined");
    } else {
      return t.literal(env);
    }
  }
}

exports.__esModule = true;