babel-preset-mp/dist/index.js

微信小程序 babel 构建环境预设

"use strict";

exports.__esModule = true;
exports.default = void 0;

var _coreJsCompat = _interopRequireDefault(require("core-js-compat"));

var _presetEnv = _interopRequireDefault(require("@babel/preset-env"));

var _semver = _interopRequireDefault(require("semver"));

var _helperPluginUtils = require("@babel/helper-plugin-utils");

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

// import mpCompatData from "miniprogram-compat";
let mpCompatData = require("miniprogram-compat");

if (!mpCompatData.getBrowsersList) mpCompatData = mpCompatData.default;
const babelPresetMiniprogram = (0, _helperPluginUtils.declare)((api, opts, dirname) => {
  api.assertVersion(7);
  let {
    wechatLibVersion,
    ...restOpts
  } = opts;
  wechatLibVersion = wechatLibVersion || "1.0.0";
  const browserslist = mpCompatData.getBrowsersList(wechatLibVersion);
  const {
    coreJsVersion: polyfillCoreJsVersion,
    exclude: polyfillExcludeModules
  } = mpCompatData.getPolyfillInfo(wechatLibVersion);
  const polyfillsToIgnore = [];

  if (_semver.default.major(polyfillCoreJsVersion) < 3) {
    // core js 2
    polyfillsToIgnore.push(...require("../data/core-js-2-modules.json").modules);
  } else {
    // core js 3
    const polyfillExcludeRegexps = (polyfillExcludeModules || []).map(module => new RegExp(`^${module}$`));
    polyfillsToIgnore.push(..._coreJsCompat.default.getModulesListForTargetVersion(polyfillCoreJsVersion).filter(module => !polyfillExcludeRegexps.some(exclude => exclude.test(module))));
  }

  const result = (0, _presetEnv.default)(api, { ...restOpts,
    ignoreBrowserslistConfig: true,
    exclude: (restOpts.exclude || []).concat(polyfillsToIgnore),
    targets: browserslist,
    corejs: 3
  }, dirname);
  return result;
});
var _default = babelPresetMiniprogram;
exports.default = _default;