```js title=main.js
(self['webpackChunkwebpack'] = self['webpackChunkwebpack'] || []).push([["main"], {
"./index.js": (function (__unused_webpack_module, __unused_webpack_exports, __webpack_require__) {
__webpack_require__("./resources sync recursive ^\\.\\/pre_.*\\.js$")(`./pre_${i + 1}.js`);


}),
"./resources/pre_a.js": (function () {
console.log("a");


}),
"./resources/pre_b.js": (function () {
console.log("a");


}),
"./resources/pre_c.js": (function () {
console.log("a");


}),
"./resources sync recursive ^\\.\\/pre_.*\\.js$": (function (module, __unused_webpack_exports, __webpack_require__) {
var map = {
  "./pre_a.js": "./resources/pre_a.js",
  "./pre_b.js": "./resources/pre_b.js",
  "./pre_c.js": "./resources/pre_c.js"
};


function webpackContext(req) {
  var id = webpackContextResolve(req);
  return __webpack_require__(id);
}
function webpackContextResolve(req) {
  if(!__webpack_require__.o(map, req)) {
    var e = new Error("Cannot find module '" + req + "'");
    e.code = 'MODULE_NOT_FOUND';
    throw e;
  }
  return map[req];
}
webpackContext.keys = function webpackContextKeys() {
  return Object.keys(map);
};
webpackContext.resolve = webpackContextResolve;
module.exports = webpackContext;
webpackContext.id = "./resources sync recursive ^\\.\\/pre_.*\\.js$";


}),

},function(__webpack_require__) {
var __webpack_exec__ = function(moduleId) { return __webpack_require__(__webpack_require__.s = moduleId) }
var __webpack_exports__ = (__webpack_exec__("./index.js"));

}
]);
```