/** * Polyfills for older browsers - Pure JavaScript (ES5) * MUST load before any other JavaScript */ // Check for extremely old browsers (Safari < 10) and show fallback message (function() { try { // Test for basic ES6 support eval('const test = (x) => x'); } catch (e) { // Browser doesn't support arrow functions (Safari < 10, IE) document.body.innerHTML = '

' + '

Browser Not Supported

' + '

This chat requires a modern browser.

' + '

Please update to:

' + '

Safari 14 or newer
Chrome 90 or newer
Firefox 88 or newer

' + '

'; throw new Error('Browser too old - ES6 not supported'); } })(); // RegExp named capture groups polyfill for older browsers // This fixes "Invalid regular expression: invalid group specifier name" errors // Required for Safari < 11.3, Chrome < 64, Firefox < 78, Edge < 79 (function() { var needsPolyfill = false; try { // Test if named capture groups are supported new RegExp('(?a)'); console.log('[Polyfill] Named capture groups supported, polyfill not needed'); } catch (e) { console.log('[Polyfill] Named capture groups NOT supported, applying polyfill'); needsPolyfill = true; // Named capture groups not supported - polyfill needed var originalRegExp = RegExp; RegExp = function(pattern, flags) { if (typeof pattern === 'string') { // Convert named groups (?...) to regular groups (...) // This is a simplified polyfill - it removes the named group syntax var hasNamedGroups = pattern.indexOf('(?<') !== -1; if (hasNamedGroups) { console.log('[Polyfill] Converting pattern with named groups:', pattern); } pattern = pattern.replace(/\(\?<[^>]+>/g, '('); } return new originalRegExp(pattern, flags); }; // Preserve RegExp properties RegExp.prototype = originalRegExp.prototype; for (var prop in originalRegExp) { if (originalRegExp.hasOwnProperty(prop)) { RegExp[prop] = originalRegExp[prop]; } } console.log('[Polyfill] RegExp polyfill installed successfully'); } // Mark that polyfill has loaded window.__regexPolyfillLoaded = true; window.__regexPolyfillNeeded = needsPolyfill; })(); // globalThis (ES2020) - MOST CRITICAL // Using ungap/global-this implementation for better compatibility (function (Object) { typeof globalThis !== 'object' && ( this ? get() : (Object.defineProperty(Object.prototype, '_T_', { configurable: true, get: get }), _T_) ); function get() { var global = this || self; global.globalThis = global; delete Object.prototype._T_; } }(Object)); // Object.hasOwn (ES2022) if (typeof Object.hasOwn !== "function") { Object.hasOwn = function (obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }; } // Promise.allSettled (ES2020) if (typeof Promise.allSettled !== "function") { Promise.allSettled = function (promises) { return Promise.all( Array.from(promises).map(function (promise) { return Promise.resolve(promise) .then(function (value) { return { status: "fulfilled", value: value }; }) .catch(function (reason) { return { status: "rejected", reason: reason }; }); }) ); }; } // Array.prototype.flat (ES2019) if (typeof Array.prototype.flat !== "function") { Array.prototype.flat = function (depth) { depth = depth === undefined ? 1 : depth; var flatten = function (arr, d) { return d > 0 ? arr.reduce(function (acc, val) { return acc.concat(Array.isArray(val) ? flatten(val, d - 1) : val); }, []) : arr.slice(); }; return flatten(this, depth); }; } // Object.fromEntries (ES2019) if (typeof Object.fromEntries !== "function") { Object.fromEntries = function (entries) { var obj = {}; var arr = Array.from(entries); for (var i = 0; i < arr.length; i++) { obj[arr[i][0]] = arr[i][1]; } return obj; }; } // Object.values (ES2017) if (typeof Object.values !== "function") { Object.values = function (obj) { return Object.keys(obj).map(function (key) { return obj[key]; }); }; } // Object.entries (ES2017) if (typeof Object.entries !== "function") { Object.entries = function (obj) { return Object.keys(obj).map(function (key) { return [key, obj[key]]; }); }; } // Object.assign (ES2015) if (typeof Object.assign !== "function") { Object.assign = function (target) { if (target == null) throw new TypeError("Cannot convert undefined or null to object"); var to = Object(target); for (var i = 1; i < arguments.length; i++) { var nextSource = arguments[i]; if (nextSource != null) { for (var key in nextSource) { if (Object.prototype.hasOwnProperty.call(nextSource, key)) { to[key] = nextSource[key]; } } } } return to; }; } // Array.from (ES2015) if (typeof Array.from !== "function") { Array.from = function (arrayLike, mapFn, thisArg) { if (arrayLike == null) throw new TypeError("Array.from requires an array-like object"); var items = Object(arrayLike); var len = items.length >>> 0; var arr = new Array(len); for (var i = 0; i < len; i++) { arr[i] = mapFn ? mapFn.call(thisArg, items[i], i) : items[i]; } return arr; }; } // Array.prototype.find (ES2015) if (typeof Array.prototype.find !== "function") { Array.prototype.find = function (predicate, thisArg) { for (var i = 0; i < this.length; i++) { if (predicate.call(thisArg, this[i], i, this)) return this[i]; } return undefined; }; } // Array.prototype.findIndex (ES2015) if (typeof Array.prototype.findIndex !== "function") { Array.prototype.findIndex = function (predicate, thisArg) { for (var i = 0; i < this.length; i++) { if (predicate.call(thisArg, this[i], i, this)) return i; } return -1; }; } // Array.prototype.includes (ES2016) if (typeof Array.prototype.includes !== "function") { Array.prototype.includes = function (searchElement, fromIndex) { var len = this.length; var k = (fromIndex || 0) >= 0 ? fromIndex : Math.max(len + (fromIndex || 0), 0); for (var i = k; i < len; i++) { if (this[i] === searchElement || (Number.isNaN(this[i]) && Number.isNaN(searchElement))) { return true; } } return false; }; } // String.prototype.includes (ES2015) if (typeof String.prototype.includes !== "function") { String.prototype.includes = function (search, start) { start = typeof start !== "number" ? 0 : start; return start + search.length > this.length ? false : this.indexOf(search, start) !== -1; }; } // String.prototype.startsWith (ES2015) if (typeof String.prototype.startsWith !== "function") { String.prototype.startsWith = function (search, position) { position = position || 0; return this.substring(position, position + search.length) === search; }; } // String.prototype.endsWith (ES2015) if (typeof String.prototype.endsWith !== "function") { String.prototype.endsWith = function (search, length) { length = length === undefined || length > this.length ? this.length : length; return this.substring(length - search.length, length) === search; }; } // Number.isNaN (ES2015) if (typeof Number.isNaN !== "function") { Number.isNaN = function (value) { return typeof value === "number" && isNaN(value); }; } // Number.isFinite (ES2015) if (typeof Number.isFinite !== "function") { Number.isFinite = function (value) { return typeof value === "number" && isFinite(value); }; } // Number.isInteger (ES2015) if (typeof Number.isInteger !== "function") { Number.isInteger = function (value) { return typeof value === "number" && isFinite(value) && Math.floor(value) === value; }; } // Fix for property-information package on Windows with Turbopack // The package exports variables named 'boolean', 'booleanish', etc. that may not resolve properly // This is a Turbopack bundling issue on Windows where module exports aren't properly resolved (function() { try { if (typeof boolean === "undefined") { window.boolean = 1; } } catch(e) { window.boolean = 1; } try { if (typeof booleanish === "undefined") { window.booleanish = 2; } } catch(e) { window.booleanish = 2; } try { if (typeof overloadedBoolean === "undefined") { window.overloadedBoolean = 4; } } catch(e) { window.overloadedBoolean = 4; } try { if (typeof number === "undefined") { window.number = 8; } } catch(e) { window.number = 8; } try { if (typeof spaceSeparated === "undefined") { window.spaceSeparated = 16; } } catch(e) { window.spaceSeparated = 16; } try { if (typeof commaSeparated === "undefined") { window.commaSeparated = 32; } } catch(e) { window.commaSeparated = 32; } try { if (typeof commaOrSpaceSeparated === "undefined") { window.commaOrSpaceSeparated = 64; } } catch(e) { window.commaOrSpaceSeparated = 64; } })(); // MediaQueryList.addEventListener polyfill for Safari < 14 // Fixes "addEventListener is not a function" error with next-themes and matchMedia // Safari 13 and below only support the deprecated addListener/removeListener methods (function() { if (typeof window === 'undefined') return; if (typeof window.matchMedia !== 'function') { console.log('[Polyfill] matchMedia not supported, skipping MediaQueryList polyfill'); return; } // Wrap matchMedia to ensure all returned objects have addEventListener/removeEventListener var originalMatchMedia = window.matchMedia; window.matchMedia = function(query) { var mql = originalMatchMedia.call(window, query); if (!mql) return mql; // Add addEventListener if missing if (typeof mql.addEventListener !== 'function') { mql.addEventListener = function(type, listener, options) { if (type === 'change') { if (typeof this.addListener === 'function') { this.addListener(listener); } // If addListener also doesn't exist, silently ignore (no-op) } }; } // Add removeEventListener if missing if (typeof mql.removeEventListener !== 'function') { mql.removeEventListener = function(type, listener, options) { if (type === 'change') { if (typeof this.removeListener === 'function') { this.removeListener(listener); } // If removeListener also doesn't exist, silently ignore (no-op) } }; } return mql; }; console.log('[Polyfill] matchMedia wrapper installed for MediaQueryList compatibility'); })();