@cloudbase/js-sdk/database/dist/esm/utils/symbol.js

cloudbase javascript sdk

var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var _symbols = [];
var __internalMark__ = {};
var HiddenSymbol = (function () {
    function HiddenSymbol(target) {
        Object.defineProperties(this, {
            target: {
                enumerable: false,
                writable: false,
                configurable: false,
                value: target,
            },
        });
    }
    return HiddenSymbol;
}());
var InternalSymbol = (function (_super) {
    __extends(InternalSymbol, _super);
    function InternalSymbol(target, __mark__) {
        if (__mark__ !== __internalMark__) {
            throw new TypeError('InternalSymbol cannot be constructed with new operator');
        }
        return _super.call(this, target) || this;
    }
    InternalSymbol.for = function (target) {
        for (var i = 0, len = _symbols.length; i < len; i++) {
            if (_symbols[i].target === target) {
                return _symbols[i].instance;
            }
        }
        var symbol = new InternalSymbol(target, __internalMark__);
        _symbols.push({
            target: target,
            instance: symbol,
        });
        return symbol;
    };
    return InternalSymbol;
}(HiddenSymbol));
export { InternalSymbol };
export default InternalSymbol;