@playlyfe/babel-loader/lib/transform.js

babel module loader for webpack

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = transform;

var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutPropertiesLoose"));

var _Error = _interopRequireDefault(require("./utils/Error"));

var _log = _interopRequireDefault(require("./utils/_log"));

var _chalk = _interopRequireDefault(require("chalk"));

var babel = _interopRequireWildcard(require("@babel/core"));

function transform(source, options, diffTagsArray) {
  const {
    isRelay
  } = options,
        tOptions = (0, _objectWithoutPropertiesLoose2.default)(options, ["isRelay"]);
  const perfKey = genPerfKey(tOptions.sourceFileName, isRelay, diffTagsArray);

  _log.default.time(perfKey);

  try {
    const result = babel.transform(source, tOptions);
    const {
      code,
      map,
      metadata
    } = result;

    if (map && (!map.sourcesContent || !map.sourcesContent.length)) {
      map.sourcesContent = [source];
    }

    _log.default.clearLine();

    _log.default.timeEnd(perfKey);

    return {
      code,
      map,
      metadata
    };
  } catch (err) {
    const error = err.message && err.codeFrame ? new _Error.default(err) : err;
    throw error;
  }
}

function genPerfKey(sourceFileName, isRelay, diffTagsArray) {
  const isRelayTag = _chalk.default.green.dim(isRelay ? '[Relay]' : '');

  const diffTags = diffTagsArray ? _chalk.default.yellow.dim(`[changes: ${diffTagsArray.join(',')}]`) : '';
  return `'${sourceFileName}'${isRelayTag}${diffTags}`;
}