prepack/lib/intrinsics/fb-www/utils.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.updateIntrinsicNames = updateIntrinsicNames;
exports.addMockFunctionToObject = addMockFunctionToObject;

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

var _index2 = require("../../methods/index.js");

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

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.
 */
function updateIntrinsicNames(realm, obj, requireName, properties) {
  obj.intrinsicName = `require("${requireName}")`;

  if (properties) {
    for (let property of properties) {
      if (typeof property === "string") {
        let val = (0, _index2.Get)(realm, obj, property);
        (0, _invariant.default)(val instanceof _index.Value);
        val.intrinsicName = `require("${requireName}").${property}`;
      } else if (typeof property === "object" && property !== null) {
        let {
          name,
          updatePrototype
        } = property;
        let val = (0, _index2.Get)(realm, obj, name);
        (0, _invariant.default)(val instanceof _index.Value);
        val.intrinsicName = `require("${requireName}").${name}`;

        if (updatePrototype) {
          (0, _invariant.default)(val instanceof _index.ObjectValue);
          let proto = (0, _index2.Get)(realm, val, "prototype");
          proto.intrinsicName = `require("${requireName}").${name}.prototype`;
        }
      }
    }
  }
}

function addMockFunctionToObject(realm, obj, requireName, funcName, func) {
  let funcValue = new _index.NativeFunctionValue(realm, undefined, funcName, 0, (context, args) => func(funcValue, args));
  obj.defineNativeProperty(funcName, funcValue, {
    writable: false,
    enumerable: false,
    configurable: true
  });
  funcValue.intrinsicName = `require("${requireName}").${funcName}`;
}
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