import { sth } from "./shouldImport";
import other from "./shouldImport";
let test = "this is a variable";
export default {
  a: test + "," + sth,
  other,
};

export let sth = "something you need";
export default {
  others: "",
};

// 在根目录新建 webpack.config.js 文件
module.exports = (mode) => {
  if (mode === "production") {
    return {};
  }
  return {
    devtool: "source-map",
  };
};

(function (modules) {
  // webpackBootstrap
  // The module cache 模块缓存
  var installedModules = {};
  // The require function 请求函数
  function __webpack_require__(moduleId) {
    // Check if module is in cache
    // 检查模块是否在缓存
    if (installedModules[moduleId]) {
      return installedModules[moduleId].exports;
    }
    // Create a new module (and put it into the cache)
    // 创建新模块并放进缓存
    var module = (installedModules[moduleId] = {
      i: moduleId,
      l: false,
      exports: {},
    });
    // Execute the module function
    // 执行模块函数（有点不懂为什么 this 要传入 module.exports）
    modules[moduleId].call(
      module.exports, // this
      module, // 模块对象本身
      module.exports, // 模块对象的 exports 属性
      __webpack_require__, // 请求函数最终返回模块输出，传入用于请求其他模块
    );
    // Flag the module as loaded
    // 加载完成标志
    module.l = true;
    // Return the exports of the module
    // 返回模块的输出
    return module.exports;
  }
  // expose the modules object (__webpack_modules__)
  // 暴露所有模块对象
  __webpack_require__.m = modules;
  // expose the module cache
  // 暴露模块缓存
  __webpack_require__.c = installedModules;
  // Object.prototype.hasOwnProperty.call
  __webpack_require__.o = function (object, property) {
    return Object.prototype.hasOwnProperty.call(object, property);
  };
  // define getter function for harmony exports
  // 为 ES6 export 定义 getter 函数
  __webpack_require__.d = function (exports, name, getter) {
    if (!__webpack_require__.o(exports, name)) {
      // 检查属性是否存在
      Object.defineProperty(exports, name, { enumerable: true, get: getter });
    }
  };
  // define __esModule on exports
  // 于 export 定义 __esModule
  __webpack_require__.r = function (exports) {
    if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
      Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
    }
    Object.defineProperty(exports, "__esModule", { value: true });
  };
  // create a fake namespace object
  // 创建代用命名空间对象
  // mode & 1: value is a module id, require it
  // value 是模块 id，必要
  // mode & 2: merge all properties of value into the ns
  // 合并 value 所有属性到 ns
  // mode & 4: return value when already ns object
  // ns 已经是对象时返回 value
  // mode & 8|1: behave like require
  // 表现如 require
  __webpack_require__.t = function (value, mode) {
    if (mode & 1) value = __webpack_require__(value);
    if (mode & 8) return value;
    if (mode & 4 && typeof value === "object" && value && value.__esModule) return value;
    var ns = Object.create(null);
    __webpack_require__.r(ns);
    Object.defineProperty(ns, "default", { enumerable: true, value: value });
    if (mode & 2 && typeof value != "string")
      for (var key in value)
        __webpack_require__.d(
          ns,
          key,
          function (key) {
            return value[key];
          }.bind(null, key),
        );
    return ns;
  };
  // getDefaultExport function for compatibility with non-harmony modules
  // 用于兼容非 ES6 模块的 getDefaultExport 函数
  __webpack_require__.n = function (module) {
    var getter =
      module && module.__esModule
        ? function getDefault() {
            return module["default"];
          }
        : function getModuleExports() {
            return module;
          };
    __webpack_require__.d(getter, "a", getter);
    return getter;
  };
  // __webpack_public_path__
  __webpack_require__.p = "";
  // Load entry module and return exports
  // 加载入口模块并返回 export
  return __webpack_require__((__webpack_require__.s = "./src/index.js"));
})({
  "./src/index.js":
    /*! exports provided: default */
    function (module, __webpack_exports__, __webpack_require__) {
      "use strict";
      __webpack_require__.r(__webpack_exports__); // 于 export 定义 __esModule
      /* harmony import */
      var _shouldImport__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__("./src/shouldImport.js");
      let test = "this is a variable";
      /* harmony default export */
      __webpack_exports__["default"] = {
        a: test + "," + _shouldImport__WEBPACK_IMPORTED_MODULE_0__["sth"],
        other: _shouldImport__WEBPACK_IMPORTED_MODULE_0__["default"],
      };
    },
  "./src/shouldImport.js":
    /*! exports provided: sth, default */
    function (module, __webpack_exports__, __webpack_require__) {
      "use strict";
      __webpack_require__.r(__webpack_exports__);
      /* harmony export (binding) */
      __webpack_require__.d(__webpack_exports__, "sth", function () {
        return sth;
      });
      let sth = "something you need";
      __webpack_exports__["default"] = {
        others: "",
      };
    },
});