uni-plugin-light/lib/loader/replace-library.js

uni-app相关插件、loader及webpack基础配置

'use strict';

var tComm = require('t-comm');
var loaderUtils = require('loader-utils');
require('fs');
var path = require('path');

function _interopNamespace(e) {
    if (e && e.__esModule) return e;
    var n = Object.create(null);
    if (e) {
        Object.keys(e).forEach(function (k) {
            if (k !== 'default') {
                var d = Object.getOwnPropertyDescriptor(e, k);
                Object.defineProperty(n, k, d.get ? d : {
                    enumerable: true,
                    get: function () { return e[k]; }
                });
            }
        });
    }
    n["default"] = e;
    return Object.freeze(n);
}

var path__namespace = /*#__PURE__*/_interopNamespace(path);

/* eslint-disable @typescript-eslint/no-require-imports */
function getRelativePath(filePath) {
  return path__namespace.relative(process.cwd(), path__namespace.resolve(filePath));
}

var LOG_KEY = 'LOADER_LOGS';
function recordLoaderLog(file, content) {
  if (!global[LOG_KEY]) {
    global[LOG_KEY] = {};
  }
  if (!global[LOG_KEY][file]) {
    global[LOG_KEY][file] = [];
  }
  global[LOG_KEY][file].push(content);
}

var PLATFORM_MAP = {
  MP_WX: 'mp-weixin',
  MP_QQ: 'mp-qq',
  H5: 'h5'
};

var ALL_PLATFORM = 'ALL';
function shouldUseLoader() {
  var defaultPlatforms = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var options = loaderUtils.getOptions(this) || {};
  var _options$platforms = options.platforms,
    platforms = _options$platforms === void 0 ? defaultPlatforms : _options$platforms;
  var platform = process.env.UNI_PLATFORM || '';
  if (platforms === ALL_PLATFORM || platforms.indexOf(ALL_PLATFORM) > -1) {
    return true;
  }
  return platforms.includes(platform);
}
var PLATFORMS_MP = [PLATFORM_MAP.MP_WX, PLATFORM_MAP.MP_QQ];

/**
 * 转换vant等组件，比如
 * import { Tab, Tabs } from 'vant'  转为：import { Tab, Tabs } from 'test';
 * import List from 'vant/lib/list'  转为：import List from 'test';
 * import 'vant/lib/list/index.css'  转为：import 'test'
 */
function replaceLibrary(source) {
  tComm.replaceAllPolyfill();
  if (!shouldUseLoader.call(this, PLATFORMS_MP)) return source;
  var options = loaderUtils.getOptions(this) || {};
  var _options$replaceLibra = options.replaceLibraryList,
    replaceLibraryList = _options$replaceLibra === void 0 ? [] : _options$replaceLibra,
    _options$replaceConte = options.replaceContentList,
    replaceContentList = _options$replaceConte === void 0 ? [] : _options$replaceConte;
  if (!(replaceLibraryList !== null && replaceLibraryList !== void 0 && replaceLibraryList.length) && !replaceContentList.length) {
    return source;
  }
  var resourcePath = this.resourcePath;
  // eslint-disable-next-line @typescript-eslint/prefer-for-of
  for (var i = 0; i < replaceContentList.length; i++) {
    var _replaceContentList$i = replaceContentList[i],
      path = _replaceContentList$i.path,
      _replaceContentList$i2 = _replaceContentList$i.content,
      content = _replaceContentList$i2 === void 0 ? '' : _replaceContentList$i2;
    var tContent = typeof content === 'function' ? content() : content;
    if (resourcePath.match(new RegExp(path))) {
      recordLoaderLog('replace-library.json', {
        file: getRelativePath(resourcePath),
        type: 'CONTENT',
        path: path
      });
      return tContent;
    }
  }
  var res = source;
  // eslint-disable-next-line @typescript-eslint/prefer-for-of
  var _loop = function _loop() {
    var _replaceLibraryList$_ = replaceLibraryList[_i],
      from = _replaceLibraryList$_.from,
      to = _replaceLibraryList$_.to,
      exact = _replaceLibraryList$_.exact;
    if (exact) {
      res = res.replaceAll("'".concat(from, "'"), "'".concat(to, "'"));
    } else {
      var importRe = new RegExp("(?<=import(?:[\\s\\S]+from)?\\s+)(?:'|\")(".concat(from, "[\\w\\/\\-\\.]*)(?:'|\")"));
      if (importRe.test(res)) {
        res = res.replaceAll(importRe, function () {
          return "'".concat(to, "'");
        });
        recordLoaderLog('replace-library.json', {
          file: getRelativePath(resourcePath),
          type: 'LIBRARY',
          from: from,
          to: to
        });
      }
    }
  };
  for (var _i = 0; _i < replaceLibraryList.length; _i++) {
    _loop();
  }
  return res;
}

module.exports = replaceLibrary;