prepack/lib/intrinsics/ecma262/Function.js

Execute a JS bundle, serialize global state and side effects to a snapshot that can be quickly restored.

"use strict";

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

var _index = require("../../values/index.js");

var _singletons = require("../../singletons.js");

/**
 * Copyright (c) 2017-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

/*  strict-local */
function _default(realm) {
  // ECMA262 19.2.1
  let func = new _index.NativeFunctionValue(realm, "Function", "Function", 1, (context, _args, argCount, NewTarget) => {
    let args = _args; // 1. Let C be the active function object.

    let C = func; // 2. Let args be the argumentsList that was passed to this function by [[Call]] or [[Construct]].

    args = argCount > 0 ? args : []; // 3. Return ? CreateDynamicFunction(C, NewTarget, "normal", args).

    return _singletons.Create.CreateDynamicFunction(realm, C, NewTarget, "normal", args);
  });
  return func;
}
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