// Define a consistent locale profile const locale = "en-US"; const languages = ["en-US", "en"]; const timezone = "America/New_York"; // Override navigator language properties Object_defineProperty(navigator, "language", { get: () => locale, configurable: true, enumerable: true, }); Object_defineProperty(navigator, "languages", { get: () => [...languages], configurable: true, enumerable: true, }); // Override Intl.DateTimeFormat for timezone consistency const OriginalDateTimeFormat = Intl_DateTimeFormat; Intl.DateTimeFormat = class extends OriginalDateTimeFormat { constructor(locales, options) { const mergedOptions = { ...options, timeZone: timezone }; super(locales, mergedOptions); } resolvedOptions() { const options = super.resolvedOptions(); options.timeZone = timezone; return options; } }; // Ensure Date timezone is consistent const originalDateConstructor = Date_constructor; const originalToString = originalDateConstructor.prototype.toString; const originalToTimeString = originalDateConstructor.prototype.toTimeString; Date.prototype.toString = function () { return originalToString .call(this) .replace(/\(.*\)$/, "(Eastern Standard Time)"); }; Date.prototype.toTimeString = function () { return originalToTimeString .call(this) .replace(/\(.*\)$/, "(Eastern Standard Time)"); };