polymerx-cli/dist/lib/webpack/transform-config.js

Unlock the power of Polymer 3, Web Components and modern web tools.

"use strict";

exports.__esModule = true;
exports.default = _default;

var _path = _interopRequireDefault(require("path"));

var _fs = _interopRequireDefault(require("fs"));

var _pify = _interopRequireDefault(require("pify"));

var _WebpackConfigHelpers = _interopRequireDefault(require("./helpers/WebpackConfigHelpers"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

const fs = (0, _pify.default)(_fs.default);

async function _default(env, config) {
  const transformerPath = _path.default.resolve(env.cwd, env.config);

  try {
    await fs.stat(transformerPath);
  } catch (error) {
    if (env.config) {
      throw new Error(`polymerx-cli config could not be loaded!\nFile ${env.config} not found.`);
    }

    return;
  }

  require('@babel/register')({
    presets: [require.resolve('@babel/preset-env')]
  });

  const m = require(transformerPath);

  const transformer = m && m.default || m;

  try {
    await transformer(config, _extends({}, env), new _WebpackConfigHelpers.default(env.cwd));
  } catch (error) {
    throw new Error(`Error at ${transformerPath}: \n` + error);
  }
}