timewarp-sim/dist/core/DateMocker.js

🕰️ Deterministic time simulation and manipulation library for TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DateMocker = exports.OriginalDate = void 0;
let isMocked = false;
exports.OriginalDate = Date;
class DateMocker {
    /**
     * Enable global Date mocking.
     */
    static enable(controller) {
        if (isMocked)
            return;
        exports.OriginalDate = Date;
        function MockedDate(value) {
            if (!(this instanceof MockedDate)) {
                if (value === undefined) {
                    return new exports.OriginalDate(controller.nowTimestamp()).toString();
                }
                return new exports.OriginalDate(value).toString();
            }
            if (value === undefined) {
                return new exports.OriginalDate(controller.nowTimestamp());
            }
            return new exports.OriginalDate(value);
        }
        MockedDate.now = () => controller.nowTimestamp();
        MockedDate.parse = exports.OriginalDate.parse;
        MockedDate.UTC = exports.OriginalDate.UTC;
        MockedDate.prototype = exports.OriginalDate.prototype;
        globalThis.Date = MockedDate;
        isMocked = true;
    }
    /**
     * Disable global Date mocking.
     */
    static disable() {
        if (!isMocked)
            return;
        globalThis.Date = exports.OriginalDate;
        isMocked = false;
    }
    /**
     * Check if global mocking is enabled.
     */
    static isEnabled() {
        return isMocked;
    }
}
exports.DateMocker = DateMocker;