prepack/lib/values/SymbolValue.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 = void 0;

var _index = require("./index.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 */
class SymbolValue extends _index.PrimitiveValue {
  constructor(realm, desc, intrinsicName) {
    super(realm, intrinsicName);
    this.$Description = desc;
  }

  equals(x) {
    return this === x;
  }

  getHash() {
    if (this.hashValue === undefined) {
      this.hashValue = ++this.$Realm.symbolCount;
    }

    return this.hashValue;
  }

  mightBeFalse() {
    return false;
  }

  throwIfNotConcreteSymbol() {
    return this;
  }

  _serialize() {
    return Symbol(this.$Description);
  }

  toDisplayString() {
    if (this.$Description) {
      if (this.$Description instanceof _index.PrimitiveValue) {
        return `Symbol(${this.$Description.toDisplayString()})`;
      }
    }

    return "Symbol(to be supported)";
  }

}

exports.default = SymbolValue;
//# sourceMappingURL=SymbolValue.js.map