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
});

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

class SymbolValue extends _index.PrimitiveValue {
  constructor(realm, desc, intrinsicName) {
    super(realm, intrinsicName);
    this.$Description = desc;
  }

  equals(x) {
    return x instanceof SymbolValue && this.hashValue === x.hashValue && this.$Description === x.$Description;
  }

  getHash() {
    if (!this.hashValue) {
      this.hashValue = this.$Description ? this.$Description.getHash() : ++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; /**
                                * 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.
                                */
//# sourceMappingURL=SymbolValue.js.map