prepack/lib/intrinsics/dom/document.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 _utils = require("../prepack/utils.js");

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

var _invariant = _interopRequireDefault(require("../../invariant"));

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

/**
 * 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 */
const functions = ["getElementById", "getElementByTag", "getElementByClassName", "getElementByName", "getElementByTagName", "getElementByTagNameNS", "querySelector", "querySelectorAll", "createElement", "createDocumentFragment", "createTextNode"];

function _default(realm) {
  // document object
  let document = new _index.ObjectValue(realm, realm.intrinsics.ObjectPrototype, "document", false); // check if we can use abstracts

  if (realm.useAbstractInterpretation) {
    // common methods on document
    for (let name of functions) {
      let func = (0, _utils.createAbstract)(realm, "function", `document.${name}`);

      _singletons.Properties.Set(realm, document, name, func, false);
    } // document.body


    let body = new _index.ObjectValue(realm, realm.intrinsics.ObjectPrototype, "document.body");

    _singletons.Properties.Set(realm, document, "body", body, false); // make abstract


    let abstractObject = (0, _utils.createAbstract)(realm, document, "document");
    (0, _invariant.default)(abstractObject instanceof _index.AbstractObjectValue);
    return abstractObject;
  }

  return document;
}
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