prepack/lib/values/Value.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
});

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

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

var _invariant2 = _interopRequireDefault(_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.
 */

class Value {
  constructor(realm, intrinsicName) {
    (0, _invariant2.default)(realm, "realm required");

    this.$Realm = realm;
    this.intrinsicName = intrinsicName;
    this.expressionLocation = realm.currentLocation;
  }
  // Name from original source if existant


  equals(x) {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  getHash() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  getType() {
    return this.constructor;
  }

  static isTypeCompatibleWith(type, Constructor) {
    return type.prototype instanceof Constructor || type.prototype === Constructor.prototype;
  }

  // The source location of the expression that first produced this value.


  implies(val) {
    if (this.equals(val)) return true;
    if (!this.mightNotBeFalse()) return true;
    if (!val.mightNotBeTrue()) return true;
    return false;
  }

  isIntrinsic() {
    return !!this.intrinsicName;
  }

  isPartialObject() {
    return false;
  }

  isSimpleObject() {
    return false;
  }

  mightBeFalse() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightNotBeFalse() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightBeNull() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightNotBeNull() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightBeNumber() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightNotBeNumber() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightNotBeObject() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightBeObject() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightBeString() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightNotBeString() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightBeTrue() {
    return this.mightNotBeFalse();
  }

  mightNotBeTrue() {
    return this.mightBeFalse();
  }

  mightBeUndefined() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightNotBeUndefined() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  mightHaveBeenDeleted() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  promoteEmptyToUndefined() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  throwIfNotConcrete() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  throwIfNotConcreteNumber() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  throwIfNotConcreteString() {
    throw new Error("abstract method; please override");
  }

  throwIfNotConcreteBoolean() {
    throw new Error("abstract method; please override");
  }

  throwIfNotConcreteSymbol() {
    throw new Error("abstract method; please override");
  }

  throwIfNotConcreteObject() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  throwIfNotConcretePrimitive() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  throwIfNotObject() {
    (0, _invariant2.default)(false, "abstract method; please override");
  }

  serialize(stack = new Map()) {
    if (stack.has(this)) {
      return stack.get(this);
    } else {
      let set = val => {
        stack.set(this, val);
        return val;
      };

      return set(this._serialize(set, stack));
    }
  }

  _serialize(set, stack) {
    (0, _invariant2.default)(false, "abstract method; please override");
  }
}
exports.default = Value;
//# sourceMappingURL=Value.js.map