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{};\n\n// ============================================================================\n// TIER 0: PROTOCOL ANCHORS — IMMUTABLE BASELINE\n// ============================================================================\n\n/** Equality comparer contract — C# IEqualityComparer parity */\nexport interface IEqualityComparer {\n Equals(x: T, y: T): boolean;\n GetHashCode(obj: T): number;\n}\n\n/** Collection change notification — C# ObservableCollection event semantics */\nexport enum NotifyCollectionChangedAction {\n Add = \"Add\",\n Remove = \"Remove\",\n Replace = \"Replace\",\n Move = \"Move\",\n Reset = \"Reset\",\n}\n\nexport interface NotifyCollectionChangedEventArgs {\n action: NotifyCollectionChangedAction;\n oldItems?: T[];\n newItems?: T[];\n newStartingIndex?: number;\n oldStartingIndex?: number;\n}\n\nexport type NotifyCollectionChangedEventHandler = (\n sender: ObservableCollection,\n args: NotifyCollectionChangedEventArgs,\n) => void;\n\n// ============================================================================\n// TIER 1: FOUNDATIONAL UTILITIES — PURE FUNCTIONS\n// ============================================================================\n\nconst escapeRegexInternal = (pattern: string): string =>\n pattern.replace(/[.*+?^${}()|[\\]\\\\]/g, \"\\\\$&\");\n\nexport const utf8Encode = (str: string): Uint8Array => {\n if (typeof TextEncoder !== \"undefined\") return new TextEncoder().encode(str);\n const out: number[] = [];\n for (let i = 0; i < str.length; i++) {\n let code = str.charCodeAt(i);\n if (code < 0x80) {\n out.push(code);\n } else if (code < 0x800) {\n out.push(0xc0 | (code >> 6), 0x80 | (code & 0x3f));\n } else if (code < 0xd800 || code >= 0xe000) {\n out.push(\n 0xe0 | (code >> 12),\n 0x80 | ((code >> 6) & 0x3f),\n 0x80 | (code & 0x3f),\n );\n } else {\n i++;\n const code2 = str.charCodeAt(i);\n const u = 0x10000 + (((code & 0x3ff) << 10) | (code2 & 0x3ff));\n out.push(\n 0xf0 | (u >> 18),\n 0x80 | ((u >> 12) & 0x3f),\n 0x80 | ((u >> 6) & 0x3f),\n 0x80 | (u & 0x3f),\n );\n }\n }\n return new Uint8Array(out);\n};\n\nexport const utf8Decode = (bytes: Uint8Array): string => {\n if (typeof TextDecoder !== \"undefined\") {\n return new TextDecoder().decode(bytes);\n }\n let out = \"\";\n let i = 0;\n while (i < bytes.length) {\n const b0 = bytes[i++];\n if (b0 < 0x80) {\n out += String.fromCharCode(b0);\n } else if (b0 < 0xe0) {\n const b1 = bytes[i++];\n out += String.fromCharCode(((b0 & 0x1f) << 6) | (b1 & 0x3f));\n } else if (b0 < 0xf0) {\n const b1 = bytes[i++];\n const b2 = bytes[i++];\n out += String.fromCharCode(\n ((b0 & 0x0f) << 12) | ((b1 & 0x3f) << 6) | (b2 & 0x3f),\n );\n } else {\n const b1 = bytes[i++];\n const b2 = bytes[i++];\n const b3 = bytes[i++];\n const u = ((b0 & 0x07) << 18) |\n ((b1 & 0x3f) << 12) |\n ((b2 & 0x3f) << 6) |\n (b3 & 0x3f);\n const cp = u - 0x10000;\n out += String.fromCharCode(0xd800 + (cp >> 10), 0xdc00 + (cp & 0x3ff));\n }\n }\n return out;\n};\n\nexport const base64EncodeUtf8 = (str: string): string => {\n const bytes = utf8Encode(str);\n let bin = \"\";\n for (let i = 0; i < bytes.length; i++) bin += String.fromCharCode(bytes[i]);\n return btoa(bin);\n};\n\nexport const base64DecodeUtf8 = (b64: string): string => {\n const bin = atob(b64);\n const bytes = new Uint8Array(bin.length);\n for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);\n return utf8Decode(bytes);\n};\n\nexport const defaultStringHash = (s: string): number => {\n let hash = 0;\n for (let i = 0; i < s.length; i++) {\n hash = ((hash << 5) - hash) + s.charCodeAt(i);\n hash |= 0;\n }\n return hash;\n};\n\n// ============================================================================\n// TIER 2: DEFAULT EQUALITY COMPARER — INFORMATION GEOMETRY\n// ============================================================================\n\nexport class DefaultEqualityComparer implements IEqualityComparer {\n public Equals(x: T, y: T): boolean {\n return x === y;\n }\n\n public GetHashCode(obj: T): number {\n if (obj === null || obj === undefined) return 0;\n switch (typeof obj) {\n case \"number\":\n return obj | 0;\n case \"string\":\n return defaultStringHash(obj as string);\n case \"boolean\":\n return (obj as boolean) ? 1 : 0;\n default:\n return 0;\n }\n }\n}\n\n// ============================================================================\n// TIER 3: STRING EXTENSION PROTOCOL — PROTOTYPE AUGMENTATION\n// ============================================================================\n\nObject.defineProperty(String.prototype, \"EqualsOrdinal\", {\n value: function (\n this: string | null | undefined,\n other: string | null | undefined,\n ): boolean {\n return (this == null ? null : String(this)) ===\n (other == null ? null : String(other));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EqualsOrdinalIgnoreCase\", {\n value: function (\n this: string | null | undefined,\n other: string | null | undefined,\n ): boolean {\n if (this == null && other == null) return true;\n if (this == null || other == null) return false;\n return String(this).toLowerCase() === String(other).toLowerCase();\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ContainsOrdinal\", {\n value: function (this: string, substring: string): boolean {\n return String(this).indexOf(substring) >= 0;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ContainsOrdinalIgnoreCase\", {\n value: function (this: string, substring: string): boolean {\n const s = String(this).toLowerCase();\n const sub = String(substring).toLowerCase();\n return s.indexOf(sub) >= 0;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Left\", {\n value: function (this: string, length: number): string {\n const s = String(this);\n return length <= 0 ? \"\" : length >= s.length ? s : s.substring(0, length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Right\", {\n value: function (this: string, length: number): string {\n const s = String(this);\n return length <= 0\n ? \"\"\n : length >= s.length\n ? s\n : s.substring(s.length - length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateChars\", {\n value: function* (this: string): Iterable {\n const s = String(this);\n for (let i = 0; i < s.length; i++) yield s[i];\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsAscii\", {\n value: function (this: string): boolean {\n const s = String(this);\n for (let i = 0; i < s.length; i++) {\n if (s.charCodeAt(i) > 0x7f) return false;\n }\n return true;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsPrintableAscii\", {\n value: function (this: string): boolean {\n const s = String(this);\n for (let i = 0; i < s.length; i++) {\n const c = s.charCodeAt(i);\n if (c < 32 || c > 126) return false;\n }\n return true;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveDigits\", {\n value: function (this: string): string {\n return String(this).replace(/[0-9]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveLetters\", {\n value: function (this: string): string {\n return String(this).replace(/[A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveNonLetters\", {\n value: function (this: string): string {\n return String(this).replace(/[^A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveNonDigits\", {\n value: function (this: string): string {\n return String(this).replace(/[^0-9]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"KeepDigits\", {\n value: function (this: string): string {\n return String(this).replace(/[^0-9]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"KeepLetters\", {\n value: function (this: string): string {\n return String(this).replace(/[^A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"KeepAlphanumeric\", {\n value: function (this: string): string {\n return String(this).replace(/[^0-9A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"NormalizeNewlines\", {\n value: function (this: string): string {\n return String(this).replace(/\\r\\n/g, \"\\n\").replace(/\\r/g, \"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveNewlines\", {\n value: function (this: string): string {\n return String(this).replace(/[\\r\\n]+/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceNewlines\", {\n value: function (this: string, replacement: string): string {\n return String(this).replace(/[\\r\\n]+/g, replacement);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"CollapseRepeatedChars\", {\n value: function (this: string, target: string): string {\n const s = String(this);\n if (!target || target.length !== 1) return s;\n const ch = target[0];\n let out = \"\";\n let prev = \"\";\n for (let i = 0; i < s.length; i++) {\n const c = s[i];\n if (c === ch && prev === ch) continue;\n out += c;\n prev = c;\n }\n return out;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"CollapseRepeatedWhitespace\", {\n value: function (this: string): string {\n return String(this).replace(/\\s+/g, \" \");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceFirst\", {\n value: function (this: string, search: string, replacement: string): string {\n const s = String(this);\n const idx = s.indexOf(search);\n return idx < 0\n ? s\n : s.substring(0, idx) + replacement + s.substring(idx + search.length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceLast\", {\n value: function (this: string, search: string, replacement: string): string {\n const s = String(this);\n const idx = s.lastIndexOf(search);\n return idx < 0\n ? s\n : s.substring(0, idx) + replacement + s.substring(idx + search.length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWith\", {\n value: function (this: string, prefix: string, suffix: string): string {\n return String(prefix) + String(this) + String(suffix);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWithQuotes\", {\n value: function (this: string): string {\n return '\"' + String(this) + '\"';\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWithDoubleQuotes\", {\n value: function (this: string): string {\n return '\"' + String(this) + '\"';\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWithSingleQuotes\", {\n value: function (this: string): string {\n return \"'\" + String(this) + \"'\";\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnsureStartsWith\", {\n value: function (this: string, prefix: string, ignoreCase: boolean): string {\n const s = String(this);\n const p = String(prefix);\n if (\n ignoreCase ? s.toLowerCase().startsWith(p.toLowerCase()) : s.startsWith(p)\n ) {\n return s;\n }\n return p + s;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnsureEndsWith\", {\n value: function (this: string, suffix: string, ignoreCase: boolean): string {\n const s = String(this);\n const p = String(suffix);\n if (\n ignoreCase ? s.toLowerCase().endsWith(p.toLowerCase()) : s.endsWith(p)\n ) {\n return s;\n }\n return s + p;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Indent\", {\n value: function (this: string, count: number, indentChar?: string): string {\n const s = String(this);\n const ch = indentChar == null ? \" \" : String(indentChar);\n const prefix = ch.repeat(Math.max(0, count));\n return s\n .split(/\\r\\n|\\r|\\n/)\n .map((line) => (line.length === 0 ? line : prefix + line))\n .join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Dedent\", {\n value: function (this: string): string {\n const lines = String(this).split(/\\r\\n|\\r|\\n/);\n let minIndent: number | null = null;\n for (const line of lines) {\n if (!line.trim()) continue;\n let i = 0;\n while (i < line.length && (line[i] === \" \" || line[i] === \"\\t\")) i++;\n if (minIndent === null || i < minIndent) minIndent = i;\n }\n if (!minIndent) return lines.join(\"\\n\");\n return lines\n .map((l) => (l.length >= minIndent! ? l.slice(minIndent!) : l))\n .join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"TrimLines\", {\n value: function (this: string): string {\n return String(this)\n .split(/\\r\\n|\\r|\\n/)\n .map((l) => l.trim())\n .join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateLinesTrimmed\", {\n value: function* (this: string): Iterable {\n const lines = String(this).split(/\\r\\n|\\r|\\n/);\n for (const l of lines) yield l.trim();\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReverseWords\", {\n value: function (this: string): string {\n const s = String(this);\n const words = s.trim().split(/\\s+/);\n return words.reverse().join(\" \");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SplitAny\", {\n value: function (this: string, ...separators: string[]): string[] {\n const s = String(this);\n if (!separators.length) return [s];\n const escaped = separators.map((c) => escapeRegexInternal(c));\n const re = new RegExp(\"[\" + escaped.join(\"\") + \"]\", \"g\");\n return s.split(re);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SplitAnyString\", {\n value: function (this: string, ...separators: string[]): string[] {\n const s = String(this);\n if (!separators.length) return [s];\n const escaped = separators\n .map((p) => escapeRegexInternal(p))\n .sort((a, b) => b.length - a.length);\n const re = new RegExp(escaped.join(\"|\"), \"g\");\n const result: string[] = [];\n let lastIndex = 0;\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n result.push(s.substring(lastIndex, m.index));\n lastIndex = m.index + m[0].length;\n }\n result.push(s.substring(lastIndex));\n return result;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SplitByLength\", {\n value: function (this: string, chunkSize: number): string[] {\n const s = String(this);\n const size = Math.max(1, chunkSize | 0);\n const result: string[] = [];\n for (let i = 0; i < s.length; i += size) {\n result.push(s.substring(i, i + size));\n }\n return result;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateCharacters\", {\n value: function* (this: string): Iterable {\n const s = String(this);\n for (let i = 0; i < s.length; i++) yield s[i];\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateWords\", {\n value: function* (this: string): Iterable {\n const s = String(this);\n const re = /\\b\\w+\\b/g;\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n yield m[0];\n }\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateSentences\", {\n value: function* (this: string): Iterable {\n const s = String(this).trim();\n if (!s) return;\n const re = /[^.!?]+[.!?]*/g;\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n const sentence = m[0].trim();\n if (sentence) yield sentence;\n }\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"MatchesRegex\", {\n value: function (this: string, pattern: string): boolean {\n return new RegExp(pattern).test(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"MatchesRegexMany\", {\n value: function* (this: string, pattern: string): Iterable {\n const re = new RegExp(pattern, \"g\");\n const s = String(this);\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n if (m[0] === \"\") {\n re.lastIndex++;\n continue;\n }\n yield m[0];\n }\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveRegex\", {\n value: function (this: string, pattern: string): string {\n return String(this).replace(new RegExp(pattern, \"g\"), \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceRegex\", {\n value: function (this: string, pattern: string, replacement: string): string {\n return String(this).replace(new RegExp(pattern, \"g\"), replacement);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EscapeRegex\", {\n value: function (this: string): string {\n return escapeRegexInternal(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ToAsciiOnly\", {\n value: function (this: string): string {\n const s = String(this);\n let out = \"\";\n for (let i = 0; i < s.length; i++) {\n const c = s.charCodeAt(i);\n if (c >= 0x20 && c <= 0x7e) out += s[i];\n }\n return out;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ToBase64\", {\n value: function (this: string): string {\n return base64EncodeUtf8(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"FromBase64\", {\n value: function (this: string): string {\n return base64DecodeUtf8(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"UrlEncode\", {\n value: function (this: string): string {\n return encodeURIComponent(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"UrlDecode\", {\n value: function (this: string): string {\n return decodeURIComponent(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsPalindrome\", {\n value: function (this: string, ignoreCase?: boolean): boolean {\n let s = String(this).replace(/[^0-9A-Za-z]/g, \"\");\n if (ignoreCase !== false) s = s.toLowerCase();\n let i = 0;\n let j = s.length - 1;\n while (i < j) {\n if (s[i] !== s[j]) return false;\n i++;\n j--;\n }\n return true;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsEmailLike\", {\n value: function (this: string): boolean {\n return /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/.test(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsHex\", {\n value: function (this: string): boolean {\n const s = String(this);\n return s.length > 0 && /^[0-9A-Fa-f]+$/.test(s);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsGuid\", {\n value: function (this: string): boolean {\n return /^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/\n .test(\n String(this),\n );\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsInteger\", {\n value: function (this: string): boolean {\n const s = String(this).trim();\n return s.length > 0 && /^[+-]?\\d+$/.test(s);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsNumeric\", {\n value: function (this: string): boolean {\n const s = String(this).trim();\n return (\n s.length > 0 &&\n /^[+-]?(?:\\d+\\.?\\d*|\\d*\\.?\\d+)(?:[eE][+-]?\\d+)?$/.test(s)\n );\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\n// ============================================================================\n// TIER 4: OBJECT/ENUMERABLE EXTENSION PROTOCOL\n// ============================================================================\n\nObject.defineProperty(Object.prototype, \"ToArray\", {\n value: function (this: T | null | undefined): T[] | null {\n if (this == null) return null;\n return Array.isArray(this) ? [...this] : [this];\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(Object.prototype, \"IsArray\", {\n value: function (this: T | null | undefined): boolean {\n if (this == null) return false;\n return Array.isArray(this);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(Object.prototype, \"JoinLines\", {\n value: function (this: Iterable | null | undefined): string {\n if (this == null) return \"\";\n const parts: string[] = [];\n for (const s of this) parts.push(String(s));\n return parts.join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(Object.prototype, \"JoinWith\", {\n value: function (\n this: Iterable | null | undefined,\n separator: string,\n ): string {\n if (this == null) return \"\";\n const parts: string[] = [];\n for (const s of this) parts.push(String(s));\n return parts.join(separator);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\n// ============================================================================\n// TIER 5: KEY-VALUE PAIR CONTAINER\n// ============================================================================\n\nexport class KeyValuePair {\n constructor(\n public readonly Key: TKey,\n public readonly Value: TValue,\n ) {}\n}\n\n// ============================================================================\n// TIER 6: CORE ENUMERABLE — LAZY STREAMING PROTOCOL\n// ============================================================================\nexport class Enumerable implements Iterable {\n protected _items: T[];\n\n constructor(items?: T[] | Iterable | Enumerable) {\n if (items instanceof Enumerable) {\n this._items = [...items.ToArray()];\n } else {\n this._items = Array.from(items || []);\n }\n }\n\n public *Take(count: number): Generator {\n for (let i = 0; i < count && i < this._items.length; i++) {\n yield this._items[i];\n }\n }\n\n public *Skip(count: number): Generator {\n for (let i = count; i < this._items.length; i++) {\n yield this._items[i];\n }\n }\n public *TakeWhile(\n predicate: (item: T, index: number) => boolean,\n ): Generator {\n for (let i = 0; i < this._items.length; i++) {\n if (!predicate(this._items[i], i)) break;\n yield this._items[i];\n }\n }\n\n public *SkipWhile(\n predicate: (item: T, index: number) => boolean,\n ): Generator {\n let i = 0;\n while (i < this._items.length && predicate(this._items[i], i)) i++;\n for (; i < this._items.length; i++) yield this._items[i];\n }\n public *Reverse(): Generator {\n for (let i = this._items.length - 1; i >= 0; i--) {\n yield this._items[i];\n }\n }\n\n public *Where(predicate: (item: T, index: number) => boolean): Generator {\n for (let i = 0; i < this._items.length; i++) {\n if (predicate(this._items[i], i)) yield this._items[i];\n }\n }\n\n public *Select(\n selector: (item: T, index: number) => TResult,\n ): Generator {\n for (let i = 0; i < this._items.length; i++) {\n yield selector(this._items[i], i);\n }\n }\n public *SelectMany(\n selector: (item: T, index: number) => Iterable,\n ): Generator {\n for (let i = 0; i < this._items.length; i++) {\n const inner = selector(this._items[i], i);\n if (inner) yield* inner;\n }\n }\n\n public get Count(): number {\n return this._items.length;\n }\n // -----------------------------\n // MAP (EAGER)\n // -----------------------------\n public Map(\n selector: (item: T, index: number) => TResult,\n ): Enumerable {\n return new Enumerable(this._items.map((x, i) => selector(x, i)));\n }\n\n // -----------------------------\n // FIRST / LAST\n // -----------------------------\n public First(): T {\n if (this._items.length === 0) throw Error(\"Collection is empty\");\n return this._items[0];\n }\n\n public Last(): T {\n if (this._items.length === 0) throw Error(\"Collection is empty\");\n return this._items[this._items.length - 1];\n }\n\n public FirstOrDefault(\n predicate: (item: T, index?: number) => boolean = () => true,\n ): T | null {\n for (let i = 0; i < this._items.length; i++) {\n if (predicate(this._items[i], i)) {\n return this._items[i];\n }\n }\n return null;\n }\n\n public LastOrDefault(\n predicate: (item: T, index?: number) => boolean = () => true,\n ): T | null {\n for (let i = this._items.length - 1; i >= 0; i--) {\n if (predicate(this._items[i], i)) return this._items[i];\n }\n return null;\n }\n\n // -----------------------------\n // ANY / ALL\n // -----------------------------\n public Any(\n predicate: (item: T, index: number) => boolean = () => true,\n ): boolean {\n return this._items.some((x, i) => predicate(x, i));\n }\n\n public All(predicate: (item: T, index: number) => boolean): boolean {\n return this._items.every((x, i) => predicate(x, i));\n }\n\n public IsEmpty(): boolean {\n return this._items.length === 0;\n }\n\n // -----------------------------\n // ORDER BY\n // -----------------------------\n public OrderBy(\n selector: (item: T) => number | string | T,\n ): OrderedEnumerable {\n const comparator = (a: T, b: T) => {\n const ka = selector(a);\n const kb = selector(b);\n return ka > kb ? 1 : ka < kb ? -1 : 0;\n };\n return new OrderedEnumerable([...this._items], comparator);\n }\n\n public OrderByDescending(\n selector: (item: T) => number | string | T,\n ): OrderedEnumerable {\n const comparator = (a: T, b: T) => {\n const ka = selector(a);\n const kb = selector(b);\n return ka > kb ? -1 : ka < kb ? 1 : 0;\n };\n return new OrderedEnumerable([...this._items], comparator);\n }\n\n // -----------------------------\n // GROUP BY\n // -----------------------------\n public GroupBy(\n keySelector: (item: T) => TKey,\n ): Enumerable> {\n const map = new Map();\n for (const item of this._items) {\n const key = keySelector(item);\n if (!map.has(key)) map.set(key, []);\n map.get(key)!.push(item);\n }\n return new Enumerable(\n Array.from(map.entries()).map(([key, items]) =>\n Grouping.create(key, items)\n ),\n );\n }\n public Distinct(comparer?: IEqualityComparer): Enumerable {\n if (!comparer) {\n return new Enumerable([...new Set(this._items)]);\n }\n\n const result: T[] = [];\n for (const item of this._items) {\n if (!result.some((x) => comparer.Equals(x, item))) {\n result.push(item);\n }\n }\n return new Enumerable(result);\n }\n\n // -----------------------------\n // CONTAINS / INDEXOF\n // -----------------------------\n public Contains(item: T, comparer?: IEqualityComparer): boolean {\n const eq = comparer || new DefaultEqualityComparer();\n return this._items.some((x) => eq.Equals(x, item));\n }\n\n public IndexOf(item: T, comparer?: IEqualityComparer): number {\n const eq = comparer || new DefaultEqualityComparer();\n return this._items.findIndex((x) => eq.Equals(x, item));\n }\n\n // -----------------------------\n // SUM / AVG / MIN / MAX\n // -----------------------------\n public Sum(selector?: (item: T) => number): number {\n let total = 0;\n for (const item of this._items) {\n total += selector ? selector(item) : (item as any);\n }\n return total;\n }\n\n public Average(selector?: (item: T) => number): number {\n if (this._items.length === 0) return 0;\n return this.Sum(selector) / this._items.length;\n }\n\n public Min(selector?: (item: T) => number): number {\n if (this._items.length === 0) return Infinity;\n let min = Infinity;\n for (const item of this._items) {\n const val = selector ? selector(item) : (item as any);\n if (val < min) min = val;\n }\n return min;\n }\n\n public Max(selector?: (item: T) => number): number {\n if (this._items.length === 0) return -Infinity;\n let max = -Infinity;\n for (const item of this._items) {\n const val = selector ? selector(item) : (item as any);\n if (val > max) max = val;\n }\n return max;\n }\n\n // -----------------------------\n // TO ARRAY / LIST\n // -----------------------------\n public ToArray(): T[] {\n return Array.from(this._items);\n }\n\n public ToList(): List {\n return new List(this._items);\n }\n\n // -----------------------------\n // ITERATOR\n // -----------------------------\n public [Symbol.iterator](): Iterator {\n return this._items[Symbol.iterator]();\n }\n}\n\n// ============================================================================\n// TIER 7: ORDERED ENUMERABLE — CHAINED SORT SEMANTICS\n// ============================================================================\n\nexport class OrderedEnumerable extends Enumerable {\n private _comparator: (a: T, b: T) => number;\n\n constructor(source: T[], comparator: (a: T, b: T) => number) {\n super(source.sort(comparator));\n this._comparator = comparator;\n }\n\n public ThenBy(selector: (item: T) => TKey): OrderedEnumerable {\n return this.createNextOrderedEnumerable(selector, false);\n }\n\n public ThenByDescending(\n selector: (item: T) => TKey,\n ): OrderedEnumerable {\n return this.createNextOrderedEnumerable(selector, true);\n }\n\n private createNextOrderedEnumerable(\n selector: (item: T) => TKey,\n descending: boolean,\n ): OrderedEnumerable {\n const nextComparator = (a: T, b: T) => {\n const prev = this._comparator(a, b);\n if (prev !== 0) return prev;\n const ka = selector(a);\n const kb = selector(b);\n return ka > kb\n ? (descending ? -1 : 1)\n : ka < kb\n ? (descending ? 1 : -1)\n : 0;\n };\n return new OrderedEnumerable(this._items, nextComparator);\n }\n}\n\n// ============================================================================\n// TIER 8: GROUPING — CLUSTERED ENUMERABLE WITH KEY\n// ============================================================================\n\nexport class Grouping extends Enumerable {\n public readonly Key: TKey;\n\n private constructor(key: TKey, elements: Iterable) {\n super(elements);\n this.Key = key;\n }\n\n public static create(\n key: TKey,\n elements: Iterable,\n ): Grouping {\n return new Grouping(key, elements);\n }\n}\n\n// ============================================================================\n// TIER 9: DICTIONARY — UNORDERED KEY-VALUE STORE\n// ============================================================================\n\nexport class Dictionary\n extends Enumerable> {\n protected _map = new Map();\n protected _comparer: IEqualityComparer;\n\n constructor(comparer?: IEqualityComparer) {\n super();\n this._comparer = comparer || new DefaultEqualityComparer();\n }\n\n public Add(key: TKey, value: TValue): void {\n if (this.ContainsKey(key)) {\n throw new Error(\"An item with the same key has already been added.\");\n }\n this._map.set(key, value);\n this.Sync();\n }\n\n public Set(key: TKey, value: TValue): void {\n this._map.set(key, value);\n this.Sync();\n }\n\n public Get(key: TKey): TValue {\n const val = this._map.get(key);\n if (val === undefined) {\n throw new Error(\"The given key was not present in the dictionary.\");\n }\n return val;\n }\n\n public TryGetValue(key: TKey): TValue | undefined {\n return this._map.get(key);\n }\n\n public ContainsKey(key: TKey): boolean {\n return this._map.has(key);\n }\n\n public Remove(key: TKey): boolean {\n if (this._map.delete(key)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n public get Keys(): Enumerable {\n return new Enumerable(this._map.keys());\n }\n\n public get Values(): Enumerable {\n return new Enumerable(this._map.values());\n }\n\n protected Sync(): void {\n this._items = Array.from(this._map.entries()).map(\n ([k, v]) => new KeyValuePair(k, v),\n );\n }\n\n public override get Count(): number {\n return this._map.size;\n }\n}\n\n// ============================================================================\n// TIER 10: SORTED DICTIONARY — ORDERED KEY-VALUE STORE\n// ============================================================================\n\nexport class SortedDictionary extends Dictionary {\n private _keyComparator: (a: TKey, b: TKey) => number;\n\n constructor(keyComparator?: (a: TKey, b: TKey) => number) {\n super();\n this._keyComparator = keyComparator || this.defaultComparator;\n }\n\n public override Set(key: TKey, value: TValue): void {\n this._map.set(key, value);\n this.Sync();\n }\n\n public override Remove(key: TKey): boolean {\n if (this._map.delete(key)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n protected override Sync(): void {\n super.Sync();\n this._items.sort((a, b) => this._keyComparator(a.Key, b.Key));\n }\n\n private defaultComparator(a: TKey, b: TKey): number {\n if (typeof a === \"string\" && typeof b === \"string\") {\n return (a as string).localeCompare(b as string);\n }\n return a > b ? 1 : a < b ? -1 : 0;\n }\n}\n\n// ============================================================================\n// TIER 11: SORTED LIST — ORDERED KEY-VALUE COLLECTION WITH INDEXING\n// ============================================================================\n\nexport class SortedList\n extends Enumerable> {\n private _map = new Map();\n private _keyComparator: (a: TKey, b: TKey) => number;\n\n constructor(keyComparator?: (a: TKey, b: TKey) => number) {\n super();\n this._keyComparator = keyComparator || this.defaultComparator;\n }\n\n public Add(key: TKey, value: TValue): void {\n if (this._map.has(key)) {\n throw new Error(\"An item with the same key has already been added.\");\n }\n this.Set(key, value);\n }\n\n public Set(key: TKey, value: TValue): void {\n this._map.set(key, value);\n this.Sync();\n }\n\n public Get(key: TKey): TValue {\n const val = this._map.get(key);\n if (val === undefined) {\n throw new Error(\"The given key was not present in the dictionary.\");\n }\n return val;\n }\n\n public TryGetValue(key: TKey): TValue | undefined {\n return this._map.get(key);\n }\n\n public ContainsKey(key: TKey): boolean {\n return this._map.has(key);\n }\n\n public Remove(key: TKey): boolean {\n if (this._map.delete(key)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n public RemoveAt(index: number): void {\n const key = this._items[index]?.Key;\n if (key === undefined) {\n throw new Error(\"Index was outside the bounds of the array.\");\n }\n this.Remove(key);\n }\n\n public GetAt(index: number): KeyValuePair {\n return this._items[index];\n }\n\n public get Keys(): Enumerable {\n return new Enumerable(this._items.map((pair) => pair.Key));\n }\n\n public get Values(): Enumerable {\n return new Enumerable(this._items.map((pair) => pair.Value));\n }\n\n protected Sync(): void {\n this._items = Array.from(this._map.entries()).map(\n ([k, v]) => new KeyValuePair(k, v),\n );\n this._items.sort((a, b) => this._keyComparator(a.Key, b.Key));\n }\n\n private defaultComparator(a: TKey, b: TKey): number {\n return a > b ? 1 : a < b ? -1 : 0;\n }\n}\n\n// ============================================================================\n// TIER 12: HASH SET — UNIQUE ELEMENT COLLECTION\n// ============================================================================\n\nexport class HashSet extends Enumerable {\n private _set: Set;\n private _comparer: IEqualityComparer;\n\n constructor(items?: T[] | Iterable, comparer?: IEqualityComparer) {\n super(items);\n this._comparer = comparer || new DefaultEqualityComparer();\n this._set = new Set(this._items);\n }\n\n public Add(item: T): boolean {\n if (this._set.has(item)) return false;\n this._set.add(item);\n this.Sync();\n return true;\n }\n\n public Contains(item: T): boolean {\n return this._set.has(item);\n }\n\n public Remove(item: T): boolean {\n if (this._set.delete(item)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n private Sync(): void {\n this._items = Array.from(this._set);\n }\n}\n\n// ============================================================================\n// TIER 13: LIST — MUTABLE INDEXED COLLECTION\n// ============================================================================\n\nexport class List extends Enumerable {\n public Add(item: T): void {\n this._items.push(item);\n }\n\n public ToEnumerable(): Enumerable {\n return new Enumerable(this);\n }\n\n public AddRange(items: Iterable): void {\n this._items.push(...Array.from(items));\n }\n\n public Insert(index: number, item: T): void {\n this._items.splice(index, 0, item);\n }\n\n public InsertRange(index: number, items: Iterable): void {\n this._items.splice(index, 0, ...Array.from(items));\n }\n\n public RemoveAt(index: number): void {\n this._items.splice(index, 1);\n }\n\n public RemoveRange(index: number, count: number): void {\n this._items.splice(index, count);\n }\n\n public SetAt(index: number, item: T): void {\n this._items[index] = item;\n }\n\n public GetAt(index: number): T {\n return this._items[index];\n }\n\n public Clear(): void {\n this._items.length = 0;\n }\n\n public Find(predicate: (item: T) => boolean): T | null {\n return this._items.find(predicate) ?? null;\n }\n\n public FindIndex(predicate: (item: T) => boolean): number {\n return this._items.findIndex(predicate);\n }\n\n public FindAll(predicate: (item: T) => boolean): List {\n return new List(this._items.filter(predicate));\n }\n\n public Remove(item: T): boolean {\n const idx = this._items.indexOf(item);\n if (idx > -1) {\n this._items.splice(idx, 1);\n return true;\n }\n return false;\n }\n\n public RemoveAll(predicate: (item: T) => boolean): number {\n const initial = this._items.length;\n this._items = this._items.filter((item) => !predicate(item));\n return initial - this._items.length;\n }\n\n public override Reverse(): Enumerable {\n this._items = this._items.reverse();\n return new Enumerable(this._items);\n }\n\n public Sort(comparer?: (a: T, b: T) => number): void {\n this._items.sort(comparer || ((a, b) => (a > b ? 1 : a < b ? -1 : 0)));\n }\n\n public ConvertAll(converter: (item: T) => TOutput): List {\n return new List(this._items.map(converter));\n }\n\n public LastIndexOf(item: T, fromIndex?: number): number {\n if (fromIndex === undefined) return this._items.lastIndexOf(item);\n if (fromIndex < 0 || fromIndex >= this._items.length) {\n throw new RangeError(\"fromIndex is out of range.\");\n }\n return this._items.lastIndexOf(item, fromIndex);\n }\n}\n\n// ============================================================================\n// TIER 14: QUEUE — FIFO COLLECTION\n// ============================================================================\n\nexport class Queue extends Enumerable {\n public Enqueue(item: T): void {\n this._items.push(item);\n }\n\n public Dequeue(): T {\n if (this._items.length === 0) throw new Error(\"Queue is empty.\");\n return this._items.shift()!;\n }\n\n public Peek(): T {\n if (this._items.length === 0) throw new Error(\"Queue is empty.\");\n return this._items[0];\n }\n\n public PeekOrDefault(): T | null {\n return this._items.length === 0 ? null : this._items[0];\n }\n}\n\n// ============================================================================\n// TIER 15: STACK — LIFO COLLECTION\n// ============================================================================\n\nexport class Stack extends Enumerable {\n public Push(item: T): void {\n this._items.push(item);\n }\n\n public Pop(): T {\n if (this._items.length === 0) throw new Error(\"Stack is empty.\");\n return this._items.pop()!;\n }\n\n public Peek(): T {\n if (this._items.length === 0) throw new Error(\"Stack is empty.\");\n return this._items[this._items.length - 1];\n }\n\n public PeekOrDefault(): T | null {\n return this._items.length === 0\n ? null\n : this._items[this._items.length - 1];\n }\n}\n\n// ============================================================================\n// TIER 17: OBSERVABLE COLLECTION — MUTABLE WITH CHANGE EVENTS\n// ============================================================================\n\nexport class ObservableCollection extends List {\n private _handlers: NotifyCollectionChangedEventHandler[] = [];\n\n public addEventListener(\n handler: NotifyCollectionChangedEventHandler,\n ): void {\n this._handlers.push(handler);\n }\n\n public removeEventListener(\n handler: NotifyCollectionChangedEventHandler,\n ): void {\n this._handlers = this._handlers.filter((h) => h !== handler);\n }\n\n protected onCollectionChanged(\n args: NotifyCollectionChangedEventArgs,\n ): void {\n for (const handler of this._handlers) {\n handler(this, args);\n }\n }\n\n public override Add(item: T): void {\n super.Add(item);\n this.onCollectionChanged({\n action: NotifyCollectionChangedAction.Add,\n newItems: [item],\n newStartingIndex: this.Count - 1,\n });\n }\n\n public override AddRange(items: Iterable): void {\n super.AddRange(items);\n this.onCollectionChanged({ action: NotifyCollectionChangedAction.Reset });\n }\n\n public override Clear(): void {\n super.Clear();\n this.onCollectionChanged({ action: NotifyCollectionChangedAction.Reset });\n }\n\n public override RemoveAt(index: number): void {\n const oldItem = this._items[index];\n super.RemoveAt(index);\n this.onCollectionChanged({\n action: NotifyCollectionChangedAction.Remove,\n oldItems: [oldItem],\n oldStartingIndex: index,\n });\n }\n\n public override SetAt(index: number, value: T): void {\n const oldItem = this._items[index];\n super.SetAt(index, value);\n this.onCollectionChanged({\n action: NotifyCollectionChangedAction.Replace,\n oldItems: [oldItem],\n newItems: [value],\n newStartingIndex: index,\n oldStartingIndex: index,\n });\n }\n}\n\n// ============================================================================\n// TIER 18: IMMUTABLE COLLECTIONS — COPY-ON-WRITE SEMANTICS\n// ============================================================================\n\nexport class ImmutableList extends Enumerable {\n public Add(item: T): ImmutableList {\n return new ImmutableList([...this._items, item]);\n }\n\n public AddRange(items: Iterable): ImmutableList {\n return new ImmutableList([...this._items, ...Array.from(items)]);\n }\n\n public Remove(item: T): ImmutableList {\n const idx = this._items.indexOf(item);\n return idx === -1 ? this : new ImmutableList(\n this._items.slice(0, idx).concat(this._items.slice(idx + 1)),\n );\n }\n\n public RemoveAt(index: number): ImmutableList {\n if (index < 0 || index >= this._items.length) {\n throw new Error(\"Index out of range.\");\n }\n return new ImmutableList(\n this._items.slice(0, index).concat(this._items.slice(index + 1)),\n );\n }\n\n public Clear(): ImmutableList {\n return new ImmutableList([]);\n }\n\n public SetItem(index: number, value: T): ImmutableList {\n if (index < 0 || index >= this._items.length) {\n throw new Error(\"Index out of range.\");\n }\n const newItems = [...this._items];\n newItems[index] = value;\n return new ImmutableList(newItems);\n }\n}\n\nexport class ImmutableDictionary\n extends Dictionary {\n constructor(items?: Iterable>) {\n super();\n if (items) {\n for (const item of items) {\n this._map.set(item.Key, item.Value);\n }\n this.Sync();\n }\n }\n\n public Add(key: TKey, value: TValue): ImmutableDictionary {\n if (this._map.has(key)) {\n throw new Error(\"An item with the same key has already been added.\");\n }\n return this.SetItem(key, value);\n }\n\n public SetItem(key: TKey, value: TValue): ImmutableDictionary {\n const newMap = new Map(this._map);\n newMap.set(key, value);\n return new ImmutableDictionary(\n Array.from(newMap.entries()).map(([k, v]) => new KeyValuePair(k, v)),\n );\n }\n\n public Remove(key: TKey): ImmutableDictionary {\n if (!this._map.has(key)) return this;\n const newMap = new Map(this._map);\n newMap.delete(key);\n return new ImmutableDictionary(\n Array.from(newMap.entries()).map(([k, v]) => new KeyValuePair(k, v)),\n );\n }\n}\n\n// ============================================================================\n// TIER 19: READ-ONLY WRAPPERS — IMMUTABLE FACADES\n// ============================================================================\n\nexport class ReadOnlyCollection extends Enumerable {\n private _source: List;\n\n constructor(list: List) {\n super();\n this._source = list;\n }\n\n public override get Count(): number {\n return this._source.Count;\n }\n\n public GetAt(index: number): T {\n return this._source.GetAt(index);\n }\n\n public override ToArray(): T[] {\n return this._source.ToArray();\n }\n\n public override [Symbol.iterator](): Iterator {\n return this._source[Symbol.iterator]();\n }\n}\n\nexport class ReadOnlyDictionary {\n private _source: Dictionary;\n\n constructor(dict: Dictionary) {\n this._source = dict;\n }\n\n public Get(key: TKey): TValue {\n return this._source.Get(key);\n }\n\n public TryGetValue(key: TKey): TValue | undefined {\n return this._source.TryGetValue(key);\n }\n\n public ContainsKey(key: TKey): boolean {\n return this._source.ContainsKey(key);\n }\n\n public get Keys(): Enumerable {\n return this._source.Keys;\n }\n\n public get Values(): Enumerable {\n return this._source.Values;\n }\n\n public get Count(): number {\n return this._source.Count;\n }\n\n public ToArray(): KeyValuePair[] {\n return this._source.ToArray();\n }\n}\n\n// ============================================================================\n// TIER 20: CONCURRENT DICTIONARY — THREAD-SAFE SEMANTICS (JS EVENT LOOP)\n// ============================================================================\n\nexport class ConcurrentDictionary\n extends Dictionary {\n public TryAdd(key: TKey, value: TValue): boolean {\n if (!this.ContainsKey(key)) {\n this.Set(key, value);\n return true;\n }\n return false;\n }\n\n public TryRemove(key: TKey): TValue | undefined {\n if (this.ContainsKey(key)) {\n const value = this.Get(key);\n this.Remove(key);\n return value;\n }\n return undefined;\n }\n\n public AddOrUpdate(\n key: TKey,\n addFactory: () => TValue,\n updateFactory: (key: TKey, existingValue: TValue) => TValue,\n ): TValue {\n if (this.ContainsKey(key)) {\n const existing = this.Get(key);\n const newValue = updateFactory(key, existing);\n this.Set(key, newValue);\n return newValue;\n } else {\n const newValue = addFactory();\n this.Set(key, newValue);\n return newValue;\n }\n }\n}\n\n// ============================================================================\n// TIER 21: BIT ARRAY — PACKED BOOLEAN STORAGE\n// ============================================================================\n\nexport class BitArray {\n private _bits: Uint8Array;\n private _length: number;\n private _defaultValue: boolean;\n\n constructor(length: number, defaultValue: boolean = false) {\n if (length < 0) throw new Error(\"Length must be non-negative.\");\n this._length = length;\n this._defaultValue = defaultValue;\n this._bits = new Uint8Array(Math.ceil(length / 8));\n if (defaultValue) this._bits.fill(0xff);\n }\n\n public set(index: number, value: boolean): void {\n this.checkBounds(index);\n const byteIdx = index >>> 3;\n const bitOffset = index & 7;\n if (value) {\n this._bits[byteIdx] |= 1 << bitOffset;\n } else {\n this._bits[byteIdx] &= ~(1 << bitOffset);\n }\n }\n\n public get(index: number): boolean {\n this.checkBounds(index);\n const byteIdx = index >>> 3;\n const bitOffset = index & 7;\n return (this._bits[byteIdx] & (1 << bitOffset)) !== 0;\n }\n\n public get Length(): number {\n return this._length;\n }\n\n public set Length(value: number) {\n if (value < 0) throw new Error(\"Length must be non-negative.\");\n if (value === this._length) return;\n const newByteLength = Math.ceil(value / 8);\n const newBits = new Uint8Array(newByteLength);\n newBits.set(\n this._bits.slice(0, Math.min(this._bits.length, newByteLength)),\n );\n if (\n value > this._length && this._defaultValue &&\n newByteLength > this._bits.length\n ) {\n newBits.fill(0xff, this._bits.length);\n }\n this._bits = newBits;\n this._length = value;\n }\n\n public And(other: BitArray): BitArray {\n this.checkLengthMatch(other);\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = this._bits[i] & other._bits[i];\n }\n return result;\n }\n\n public Or(other: BitArray): BitArray {\n this.checkLengthMatch(other);\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = this._bits[i] | other._bits[i];\n }\n return result;\n }\n\n public Xor(other: BitArray): BitArray {\n this.checkLengthMatch(other);\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = this._bits[i] ^ other._bits[i];\n }\n return result;\n }\n\n public Not(): BitArray {\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = ~this._bits[i];\n }\n return result;\n }\n\n public SetAll(value: boolean): void {\n this._bits.fill(value ? 0xff : 0x00);\n }\n\n private checkBounds(index: number): void {\n if (index < 0 || index >= this._length) {\n throw new Error(\"Index was outside the bounds of the array.\");\n }\n }\n\n private checkLengthMatch(other: BitArray): void {\n if (this._length !== other._length) {\n throw new Error(\"BitArray lengths must match for logical operations.\");\n }\n }\n\n public [Symbol.iterator](): Iterator {\n let index = 0;\n return {\n next: (): IteratorResult => {\n if (index < this._length) {\n return { value: this.get(index++), done: false };\n }\n return { value: undefined, done: true };\n },\n };\n }\n}\n\n// ============================================================================\n// TIER 22: READ-ONLY LIST — IMMUTABLE SEQUENCE FACADE\n// ============================================================================\n\nexport class ReadOnlyList extends Enumerable {\n constructor(source: T[] | Enumerable) {\n super(source);\n }\n\n public GetAt(index: number): T {\n return this._items[index];\n }\n}","export {};\n\n// ============================================================================\n// TIER 0: PROTOCOL ANCHORS — IMMUTABLE BASELINE\n// ============================================================================\n\n/** Equality comparer contract — C# IEqualityComparer parity */\nexport interface IEqualityComparer {\n Equals(x: T, y: T): boolean;\n GetHashCode(obj: T): number;\n}\n\n/** Collection change notification — C# ObservableCollection event semantics */\nexport enum NotifyCollectionChangedAction {\n Add = \"Add\",\n Remove = \"Remove\",\n Replace = \"Replace\",\n Move = \"Move\",\n Reset = \"Reset\",\n}\n\nexport interface NotifyCollectionChangedEventArgs {\n action: NotifyCollectionChangedAction;\n oldItems?: T[];\n newItems?: T[];\n newStartingIndex?: number;\n oldStartingIndex?: number;\n}\n\nexport type NotifyCollectionChangedEventHandler = (\n sender: ObservableCollection,\n args: NotifyCollectionChangedEventArgs,\n) => void;\n\n// ============================================================================\n// TIER 1: FOUNDATIONAL UTILITIES — PURE FUNCTIONS\n// ============================================================================\n\nconst escapeRegexInternal = (pattern: string): string =>\n pattern.replace(/[.*+?^${}()|[\\]\\\\]/g, \"\\\\$&\");\n\nexport const utf8Encode = (str: string): Uint8Array => {\n if (typeof TextEncoder !== \"undefined\") return new TextEncoder().encode(str);\n const out: number[] = [];\n for (let i = 0; i < str.length; i++) {\n let code = str.charCodeAt(i);\n if (code < 0x80) {\n out.push(code);\n } else if (code < 0x800) {\n out.push(0xc0 | (code >> 6), 0x80 | (code & 0x3f));\n } else if (code < 0xd800 || code >= 0xe000) {\n out.push(\n 0xe0 | (code >> 12),\n 0x80 | ((code >> 6) & 0x3f),\n 0x80 | (code & 0x3f),\n );\n } else {\n i++;\n const code2 = str.charCodeAt(i);\n const u = 0x10000 + (((code & 0x3ff) << 10) | (code2 & 0x3ff));\n out.push(\n 0xf0 | (u >> 18),\n 0x80 | ((u >> 12) & 0x3f),\n 0x80 | ((u >> 6) & 0x3f),\n 0x80 | (u & 0x3f),\n );\n }\n }\n return new Uint8Array(out);\n};\n\nexport const utf8Decode = (bytes: Uint8Array): string => {\n if (typeof TextDecoder !== \"undefined\") {\n return new TextDecoder().decode(bytes);\n }\n let out = \"\";\n let i = 0;\n while (i < bytes.length) {\n const b0 = bytes[i++];\n if (b0 < 0x80) {\n out += String.fromCharCode(b0);\n } else if (b0 < 0xe0) {\n const b1 = bytes[i++];\n out += String.fromCharCode(((b0 & 0x1f) << 6) | (b1 & 0x3f));\n } else if (b0 < 0xf0) {\n const b1 = bytes[i++];\n const b2 = bytes[i++];\n out += String.fromCharCode(\n ((b0 & 0x0f) << 12) | ((b1 & 0x3f) << 6) | (b2 & 0x3f),\n );\n } else {\n const b1 = bytes[i++];\n const b2 = bytes[i++];\n const b3 = bytes[i++];\n const u = ((b0 & 0x07) << 18) |\n ((b1 & 0x3f) << 12) |\n ((b2 & 0x3f) << 6) |\n (b3 & 0x3f);\n const cp = u - 0x10000;\n out += String.fromCharCode(0xd800 + (cp >> 10), 0xdc00 + (cp & 0x3ff));\n }\n }\n return out;\n};\n\nexport const base64EncodeUtf8 = (str: string): string => {\n const bytes = utf8Encode(str);\n let bin = \"\";\n for (let i = 0; i < bytes.length; i++) bin += String.fromCharCode(bytes[i]);\n return btoa(bin);\n};\n\nexport const base64DecodeUtf8 = (b64: string): string => {\n const bin = atob(b64);\n const bytes = new Uint8Array(bin.length);\n for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);\n return utf8Decode(bytes);\n};\n\nexport const defaultStringHash = (s: string): number => {\n let hash = 0;\n for (let i = 0; i < s.length; i++) {\n hash = ((hash << 5) - hash) + s.charCodeAt(i);\n hash |= 0;\n }\n return hash;\n};\n\n// ============================================================================\n// TIER 2: DEFAULT EQUALITY COMPARER — INFORMATION GEOMETRY\n// ============================================================================\n\nexport class DefaultEqualityComparer implements IEqualityComparer {\n public Equals(x: T, y: T): boolean {\n return x === y;\n }\n\n public GetHashCode(obj: T): number {\n if (obj === null || obj === undefined) return 0;\n switch (typeof obj) {\n case \"number\":\n return obj | 0;\n case \"string\":\n return defaultStringHash(obj as string);\n case \"boolean\":\n return (obj as boolean) ? 1 : 0;\n default:\n return 0;\n }\n }\n}\n\n// ============================================================================\n// TIER 3: STRING EXTENSION PROTOCOL — PROTOTYPE AUGMENTATION\n// ============================================================================\n\nObject.defineProperty(String.prototype, \"EqualsOrdinal\", {\n value: function (\n this: string | null | undefined,\n other: string | null | undefined,\n ): boolean {\n return (this == null ? null : String(this)) ===\n (other == null ? null : String(other));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EqualsOrdinalIgnoreCase\", {\n value: function (\n this: string | null | undefined,\n other: string | null | undefined,\n ): boolean {\n if (this == null && other == null) return true;\n if (this == null || other == null) return false;\n return String(this).toLowerCase() === String(other).toLowerCase();\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ContainsOrdinal\", {\n value: function (this: string, substring: string): boolean {\n return String(this).indexOf(substring) >= 0;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ContainsOrdinalIgnoreCase\", {\n value: function (this: string, substring: string): boolean {\n const s = String(this).toLowerCase();\n const sub = String(substring).toLowerCase();\n return s.indexOf(sub) >= 0;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Left\", {\n value: function (this: string, length: number): string {\n const s = String(this);\n return length <= 0 ? \"\" : length >= s.length ? s : s.substring(0, length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Right\", {\n value: function (this: string, length: number): string {\n const s = String(this);\n return length <= 0\n ? \"\"\n : length >= s.length\n ? s\n : s.substring(s.length - length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateChars\", {\n value: function* (this: string): Iterable {\n const s = String(this);\n for (let i = 0; i < s.length; i++) yield s[i];\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsAscii\", {\n value: function (this: string): boolean {\n const s = String(this);\n for (let i = 0; i < s.length; i++) {\n if (s.charCodeAt(i) > 0x7f) return false;\n }\n return true;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsPrintableAscii\", {\n value: function (this: string): boolean {\n const s = String(this);\n for (let i = 0; i < s.length; i++) {\n const c = s.charCodeAt(i);\n if (c < 32 || c > 126) return false;\n }\n return true;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveDigits\", {\n value: function (this: string): string {\n return String(this).replace(/[0-9]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveLetters\", {\n value: function (this: string): string {\n return String(this).replace(/[A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveNonLetters\", {\n value: function (this: string): string {\n return String(this).replace(/[^A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveNonDigits\", {\n value: function (this: string): string {\n return String(this).replace(/[^0-9]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"KeepDigits\", {\n value: function (this: string): string {\n return String(this).replace(/[^0-9]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"KeepLetters\", {\n value: function (this: string): string {\n return String(this).replace(/[^A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"KeepAlphanumeric\", {\n value: function (this: string): string {\n return String(this).replace(/[^0-9A-Za-z]/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"NormalizeNewlines\", {\n value: function (this: string): string {\n return String(this).replace(/\\r\\n/g, \"\\n\").replace(/\\r/g, \"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveNewlines\", {\n value: function (this: string): string {\n return String(this).replace(/[\\r\\n]+/g, \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceNewlines\", {\n value: function (this: string, replacement: string): string {\n return String(this).replace(/[\\r\\n]+/g, replacement);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"CollapseRepeatedChars\", {\n value: function (this: string, target: string): string {\n const s = String(this);\n if (!target || target.length !== 1) return s;\n const ch = target[0];\n let out = \"\";\n let prev = \"\";\n for (let i = 0; i < s.length; i++) {\n const c = s[i];\n if (c === ch && prev === ch) continue;\n out += c;\n prev = c;\n }\n return out;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"CollapseRepeatedWhitespace\", {\n value: function (this: string): string {\n return String(this).replace(/\\s+/g, \" \");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceFirst\", {\n value: function (this: string, search: string, replacement: string): string {\n const s = String(this);\n const idx = s.indexOf(search);\n return idx < 0\n ? s\n : s.substring(0, idx) + replacement + s.substring(idx + search.length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceLast\", {\n value: function (this: string, search: string, replacement: string): string {\n const s = String(this);\n const idx = s.lastIndexOf(search);\n return idx < 0\n ? s\n : s.substring(0, idx) + replacement + s.substring(idx + search.length);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWith\", {\n value: function (this: string, prefix: string, suffix: string): string {\n return String(prefix) + String(this) + String(suffix);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWithQuotes\", {\n value: function (this: string): string {\n return '\"' + String(this) + '\"';\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWithDoubleQuotes\", {\n value: function (this: string): string {\n return '\"' + String(this) + '\"';\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SurroundWithSingleQuotes\", {\n value: function (this: string): string {\n return \"'\" + String(this) + \"'\";\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnsureStartsWith\", {\n value: function (this: string, prefix: string, ignoreCase: boolean): string {\n const s = String(this);\n const p = String(prefix);\n if (\n ignoreCase ? s.toLowerCase().startsWith(p.toLowerCase()) : s.startsWith(p)\n ) {\n return s;\n }\n return p + s;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnsureEndsWith\", {\n value: function (this: string, suffix: string, ignoreCase: boolean): string {\n const s = String(this);\n const p = String(suffix);\n if (\n ignoreCase ? s.toLowerCase().endsWith(p.toLowerCase()) : s.endsWith(p)\n ) {\n return s;\n }\n return s + p;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Indent\", {\n value: function (this: string, count: number, indentChar?: string): string {\n const s = String(this);\n const ch = indentChar == null ? \" \" : String(indentChar);\n const prefix = ch.repeat(Math.max(0, count));\n return s\n .split(/\\r\\n|\\r|\\n/)\n .map((line) => (line.length === 0 ? line : prefix + line))\n .join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"Dedent\", {\n value: function (this: string): string {\n const lines = String(this).split(/\\r\\n|\\r|\\n/);\n let minIndent: number | null = null;\n for (const line of lines) {\n if (!line.trim()) continue;\n let i = 0;\n while (i < line.length && (line[i] === \" \" || line[i] === \"\\t\")) i++;\n if (minIndent === null || i < minIndent) minIndent = i;\n }\n if (!minIndent) return lines.join(\"\\n\");\n return lines\n .map((l) => (l.length >= minIndent! ? l.slice(minIndent!) : l))\n .join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"TrimLines\", {\n value: function (this: string): string {\n return String(this)\n .split(/\\r\\n|\\r|\\n/)\n .map((l) => l.trim())\n .join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateLinesTrimmed\", {\n value: function* (this: string): Iterable {\n const lines = String(this).split(/\\r\\n|\\r|\\n/);\n for (const l of lines) yield l.trim();\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReverseWords\", {\n value: function (this: string): string {\n const s = String(this);\n const words = s.trim().split(/\\s+/);\n return words.reverse().join(\" \");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SplitAny\", {\n value: function (this: string, ...separators: string[]): string[] {\n const s = String(this);\n if (!separators.length) return [s];\n const escaped = separators.map((c) => escapeRegexInternal(c));\n const re = new RegExp(\"[\" + escaped.join(\"\") + \"]\", \"g\");\n return s.split(re);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SplitAnyString\", {\n value: function (this: string, ...separators: string[]): string[] {\n const s = String(this);\n if (!separators.length) return [s];\n const escaped = separators\n .map((p) => escapeRegexInternal(p))\n .sort((a, b) => b.length - a.length);\n const re = new RegExp(escaped.join(\"|\"), \"g\");\n const result: string[] = [];\n let lastIndex = 0;\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n result.push(s.substring(lastIndex, m.index));\n lastIndex = m.index + m[0].length;\n }\n result.push(s.substring(lastIndex));\n return result;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"SplitByLength\", {\n value: function (this: string, chunkSize: number): string[] {\n const s = String(this);\n const size = Math.max(1, chunkSize | 0);\n const result: string[] = [];\n for (let i = 0; i < s.length; i += size) {\n result.push(s.substring(i, i + size));\n }\n return result;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateCharacters\", {\n value: function* (this: string): Iterable {\n const s = String(this);\n for (let i = 0; i < s.length; i++) yield s[i];\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateWords\", {\n value: function* (this: string): Iterable {\n const s = String(this);\n const re = /\\b\\w+\\b/g;\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n yield m[0];\n }\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EnumerateSentences\", {\n value: function* (this: string): Iterable {\n const s = String(this).trim();\n if (!s) return;\n const re = /[^.!?]+[.!?]*/g;\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n const sentence = m[0].trim();\n if (sentence) yield sentence;\n }\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"MatchesRegex\", {\n value: function (this: string, pattern: string): boolean {\n return new RegExp(pattern).test(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"MatchesRegexMany\", {\n value: function* (this: string, pattern: string): Iterable {\n const re = new RegExp(pattern, \"g\");\n const s = String(this);\n let m: RegExpExecArray | null;\n while ((m = re.exec(s)) !== null) {\n if (m[0] === \"\") {\n re.lastIndex++;\n continue;\n }\n yield m[0];\n }\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"RemoveRegex\", {\n value: function (this: string, pattern: string): string {\n return String(this).replace(new RegExp(pattern, \"g\"), \"\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ReplaceRegex\", {\n value: function (this: string, pattern: string, replacement: string): string {\n return String(this).replace(new RegExp(pattern, \"g\"), replacement);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"EscapeRegex\", {\n value: function (this: string): string {\n return escapeRegexInternal(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ToAsciiOnly\", {\n value: function (this: string): string {\n const s = String(this);\n let out = \"\";\n for (let i = 0; i < s.length; i++) {\n const c = s.charCodeAt(i);\n if (c >= 0x20 && c <= 0x7e) out += s[i];\n }\n return out;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"ToBase64\", {\n value: function (this: string): string {\n return base64EncodeUtf8(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"FromBase64\", {\n value: function (this: string): string {\n return base64DecodeUtf8(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"UrlEncode\", {\n value: function (this: string): string {\n return encodeURIComponent(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"UrlDecode\", {\n value: function (this: string): string {\n return decodeURIComponent(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsPalindrome\", {\n value: function (this: string, ignoreCase?: boolean): boolean {\n let s = String(this).replace(/[^0-9A-Za-z]/g, \"\");\n if (ignoreCase !== false) s = s.toLowerCase();\n let i = 0;\n let j = s.length - 1;\n while (i < j) {\n if (s[i] !== s[j]) return false;\n i++;\n j--;\n }\n return true;\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsEmailLike\", {\n value: function (this: string): boolean {\n return /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/.test(String(this));\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsHex\", {\n value: function (this: string): boolean {\n const s = String(this);\n return s.length > 0 && /^[0-9A-Fa-f]+$/.test(s);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsGuid\", {\n value: function (this: string): boolean {\n return /^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/\n .test(\n String(this),\n );\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsInteger\", {\n value: function (this: string): boolean {\n const s = String(this).trim();\n return s.length > 0 && /^[+-]?\\d+$/.test(s);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(String.prototype, \"IsNumeric\", {\n value: function (this: string): boolean {\n const s = String(this).trim();\n return (\n s.length > 0 &&\n /^[+-]?(?:\\d+\\.?\\d*|\\d*\\.?\\d+)(?:[eE][+-]?\\d+)?$/.test(s)\n );\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\n// ============================================================================\n// TIER 4: OBJECT/ENUMERABLE EXTENSION PROTOCOL\n// ============================================================================\n\nObject.defineProperty(Object.prototype, \"ToArray\", {\n value: function (this: T | null | undefined): T[] | null {\n if (this == null) return null;\n return Array.isArray(this) ? [...this] : [this];\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(Object.prototype, \"IsArray\", {\n value: function (this: T | null | undefined): boolean {\n if (this == null) return false;\n return Array.isArray(this);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(Object.prototype, \"JoinLines\", {\n value: function (this: Iterable | null | undefined): string {\n if (this == null) return \"\";\n const parts: string[] = [];\n for (const s of this) parts.push(String(s));\n return parts.join(\"\\n\");\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\nObject.defineProperty(Object.prototype, \"JoinWith\", {\n value: function (\n this: Iterable | null | undefined,\n separator: string,\n ): string {\n if (this == null) return \"\";\n const parts: string[] = [];\n for (const s of this) parts.push(String(s));\n return parts.join(separator);\n },\n writable: false,\n enumerable: false,\n configurable: false,\n});\n\n// ============================================================================\n// TIER 5: KEY-VALUE PAIR CONTAINER\n// ============================================================================\n\nexport class KeyValuePair {\n constructor(\n public readonly Key: TKey,\n public readonly Value: TValue,\n ) {}\n}\n\n// ============================================================================\n// TIER 6: CORE ENUMERABLE — LAZY STREAMING PROTOCOL\n// ============================================================================\nexport class Enumerable implements Iterable {\n protected _items: T[];\n\n constructor(items?: T[] | Iterable | Enumerable) {\n if (items instanceof Enumerable) {\n this._items = [...items.ToArray()];\n } else {\n this._items = Array.from(items || []);\n }\n }\n\n public *Take(count: number): Generator {\n for (let i = 0; i < count && i < this._items.length; i++) {\n yield this._items[i];\n }\n }\n\n public *Skip(count: number): Generator {\n for (let i = count; i < this._items.length; i++) {\n yield this._items[i];\n }\n }\n public *TakeWhile(\n predicate: (item: T, index: number) => boolean,\n ): Generator {\n for (let i = 0; i < this._items.length; i++) {\n if (!predicate(this._items[i], i)) break;\n yield this._items[i];\n }\n }\n\n public *SkipWhile(\n predicate: (item: T, index: number) => boolean,\n ): Generator {\n let i = 0;\n while (i < this._items.length && predicate(this._items[i], i)) i++;\n for (; i < this._items.length; i++) yield this._items[i];\n }\n public *Reverse(): Generator {\n for (let i = this._items.length - 1; i >= 0; i--) {\n yield this._items[i];\n }\n }\n\n public *Where(predicate: (item: T, index: number) => boolean): Generator {\n for (let i = 0; i < this._items.length; i++) {\n if (predicate(this._items[i], i)) yield this._items[i];\n }\n }\n\n public *Select(\n selector: (item: T, index: number) => TResult,\n ): Generator {\n for (let i = 0; i < this._items.length; i++) {\n yield selector(this._items[i], i);\n }\n }\n public *SelectMany(\n selector: (item: T, index: number) => Iterable,\n ): Generator {\n for (let i = 0; i < this._items.length; i++) {\n const inner = selector(this._items[i], i);\n if (inner) yield* inner;\n }\n }\n\n public get Count(): number {\n return this._items.length;\n }\n // -----------------------------\n // MAP (EAGER)\n // -----------------------------\n public Map(\n selector: (item: T, index: number) => TResult,\n ): Enumerable {\n return new Enumerable(this._items.map((x, i) => selector(x, i)));\n }\n\n // -----------------------------\n // FIRST / LAST\n // -----------------------------\n public First(): T {\n if (this._items.length === 0) throw Error(\"Collection is empty\");\n return this._items[0];\n }\n\n public Last(): T {\n if (this._items.length === 0) throw Error(\"Collection is empty\");\n return this._items[this._items.length - 1];\n }\n\n public FirstOrDefault(\n predicate: (item: T, index?: number) => boolean = () => true,\n ): T | null {\n for (let i = 0; i < this._items.length; i++) {\n if (predicate(this._items[i], i)) {\n return this._items[i];\n }\n }\n return null;\n }\n\n public LastOrDefault(\n predicate: (item: T, index?: number) => boolean = () => true,\n ): T | null {\n for (let i = this._items.length - 1; i >= 0; i--) {\n if (predicate(this._items[i], i)) return this._items[i];\n }\n return null;\n }\n\n // -----------------------------\n // ANY / ALL\n // -----------------------------\n public Any(\n predicate: (item: T, index: number) => boolean = () => true,\n ): boolean {\n return this._items.some((x, i) => predicate(x, i));\n }\n\n public All(predicate: (item: T, index: number) => boolean): boolean {\n return this._items.every((x, i) => predicate(x, i));\n }\n\n public IsEmpty(): boolean {\n return this._items.length === 0;\n }\n\n // -----------------------------\n // ORDER BY\n // -----------------------------\n public OrderBy(\n selector: (item: T) => number | string | T,\n ): OrderedEnumerable {\n const comparator = (a: T, b: T) => {\n const ka = selector(a);\n const kb = selector(b);\n return ka > kb ? 1 : ka < kb ? -1 : 0;\n };\n return new OrderedEnumerable([...this._items], comparator);\n }\n\n public OrderByDescending(\n selector: (item: T) => number | string | T,\n ): OrderedEnumerable {\n const comparator = (a: T, b: T) => {\n const ka = selector(a);\n const kb = selector(b);\n return ka > kb ? -1 : ka < kb ? 1 : 0;\n };\n return new OrderedEnumerable([...this._items], comparator);\n }\n\n // -----------------------------\n // GROUP BY\n // -----------------------------\n public GroupBy(\n keySelector: (item: T) => TKey,\n ): Enumerable> {\n const map = new Map();\n for (const item of this._items) {\n const key = keySelector(item);\n if (!map.has(key)) map.set(key, []);\n map.get(key)!.push(item);\n }\n return new Enumerable(\n Array.from(map.entries()).map(([key, items]) =>\n Grouping.create(key, items)\n ),\n );\n }\n public Distinct(comparer?: IEqualityComparer): Enumerable {\n if (!comparer) {\n return new Enumerable([...new Set(this._items)]);\n }\n\n const result: T[] = [];\n for (const item of this._items) {\n if (!result.some((x) => comparer.Equals(x, item))) {\n result.push(item);\n }\n }\n return new Enumerable(result);\n }\n\n // -----------------------------\n // CONTAINS / INDEXOF\n // -----------------------------\n public Contains(item: T, comparer?: IEqualityComparer): boolean {\n const eq = comparer || new DefaultEqualityComparer();\n return this._items.some((x) => eq.Equals(x, item));\n }\n\n public IndexOf(item: T, comparer?: IEqualityComparer): number {\n const eq = comparer || new DefaultEqualityComparer();\n return this._items.findIndex((x) => eq.Equals(x, item));\n }\n\n // -----------------------------\n // SUM / AVG / MIN / MAX\n // -----------------------------\n public Sum(selector?: (item: T) => number): number {\n let total = 0;\n for (const item of this._items) {\n total += selector ? selector(item) : (item as any);\n }\n return total;\n }\n\n public Average(selector?: (item: T) => number): number {\n if (this._items.length === 0) return 0;\n return this.Sum(selector) / this._items.length;\n }\n\n public Min(selector?: (item: T) => number): number {\n if (this._items.length === 0) return Infinity;\n let min = Infinity;\n for (const item of this._items) {\n const val = selector ? selector(item) : (item as any);\n if (val < min) min = val;\n }\n return min;\n }\n\n public Max(selector?: (item: T) => number): number {\n if (this._items.length === 0) return -Infinity;\n let max = -Infinity;\n for (const item of this._items) {\n const val = selector ? selector(item) : (item as any);\n if (val > max) max = val;\n }\n return max;\n }\n\n // -----------------------------\n // TO ARRAY / LIST\n // -----------------------------\n public ToArray(): T[] {\n return Array.from(this._items);\n }\n\n public ToList(): List {\n return new List(this._items);\n }\n\n // -----------------------------\n // ITERATOR\n // -----------------------------\n public [Symbol.iterator](): Iterator {\n return this._items[Symbol.iterator]();\n }\n}\n\n// ============================================================================\n// TIER 7: ORDERED ENUMERABLE — CHAINED SORT SEMANTICS\n// ============================================================================\n\nexport class OrderedEnumerable extends Enumerable {\n private _comparator: (a: T, b: T) => number;\n\n constructor(source: T[], comparator: (a: T, b: T) => number) {\n super([...source].sort(comparator)); // copy first, then sort\n this._comparator = comparator;\n }\n\n public ThenBy(nextComparator: (a: T, b: T) => number): OrderedEnumerable {\n return new OrderedEnumerable(this._items, nextComparator);\n }\n\n public ThenByDescending(\n selector: (item: T) => TKey,\n ): OrderedEnumerable {\n return this.createNextOrderedEnumerable(selector, true);\n }\n\n private createNextOrderedEnumerable(\n selector: (item: T) => TKey,\n descending: boolean,\n ): OrderedEnumerable {\n const nextComparator = (a: T, b: T) => {\n const prev = this._comparator(a, b);\n if (prev !== 0) return prev;\n const ka = selector(a);\n const kb = selector(b);\n return ka > kb\n ? (descending ? -1 : 1)\n : ka < kb\n ? (descending ? 1 : -1)\n : 0;\n };\n return new OrderedEnumerable(this._items, nextComparator);\n }\n}\n\n// ============================================================================\n// TIER 8: GROUPING — CLUSTERED ENUMERABLE WITH KEY\n// ============================================================================\n\nexport class Grouping extends Enumerable {\n public readonly Key: TKey;\n\n private constructor(key: TKey, elements: Iterable) {\n super(elements);\n this.Key = key;\n }\n\n public static create(\n key: TKey,\n elements: Iterable,\n ): Grouping {\n return new Grouping(key, elements);\n }\n}\n\n// ============================================================================\n// TIER 9: DICTIONARY — UNORDERED KEY-VALUE STORE\n// ============================================================================\n\nexport class Dictionary\n extends Enumerable> {\n protected _map = new Map();\n protected _comparer: IEqualityComparer;\n\n constructor(comparer?: IEqualityComparer) {\n super();\n this._comparer = comparer || new DefaultEqualityComparer();\n }\n\n public Add(key: TKey, value: TValue): void {\n if (this.ContainsKey(key)) {\n throw new Error(\"An item with the same key has already been added.\");\n }\n this._map.set(key, value);\n this.Sync();\n }\n\n public Set(key: TKey, value: TValue): void {\n this._map.set(key, value);\n this.Sync();\n }\n\n public Get(key: TKey): TValue {\n const val = this._map.get(key);\n if (val === undefined) {\n throw new Error(\"The given key was not present in the dictionary.\");\n }\n return val;\n }\n\n public TryGetValue(key: TKey): TValue | undefined {\n return this._map.get(key);\n }\n\n public ContainsKey(key: TKey): boolean {\n return this._map.has(key);\n }\n\n public Remove(key: TKey): boolean {\n if (this._map.delete(key)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n public get Keys(): Enumerable {\n return new Enumerable(this._map.keys());\n }\n\n public get Values(): Enumerable {\n return new Enumerable(this._map.values());\n }\n\n protected Sync(): void {\n this._items = Array.from(this._map.entries()).map(\n ([k, v]) => new KeyValuePair(k, v),\n );\n }\n\n public override get Count(): number {\n return this._map.size;\n }\n}\n\n// ============================================================================\n// TIER 10: SORTED DICTIONARY — ORDERED KEY-VALUE STORE\n// ============================================================================\n\nexport class SortedDictionary extends Dictionary {\n private _keyComparator: (a: TKey, b: TKey) => number;\n\n constructor(keyComparator?: (a: TKey, b: TKey) => number) {\n super();\n this._keyComparator = keyComparator || this.defaultComparator;\n }\n\n public override Set(key: TKey, value: TValue): void {\n this._map.set(key, value);\n this.Sync();\n }\n\n public override Remove(key: TKey): boolean {\n if (this._map.delete(key)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n protected override Sync(): void {\n super.Sync();\n this._items.sort((a, b) => this._keyComparator(a.Key, b.Key));\n }\n\n private defaultComparator(a: TKey, b: TKey): number {\n if (typeof a === \"string\" && typeof b === \"string\") {\n return (a as string).localeCompare(b as string);\n }\n return a > b ? 1 : a < b ? -1 : 0;\n }\n}\n\n// ============================================================================\n// TIER 11: SORTED LIST — ORDERED KEY-VALUE COLLECTION WITH INDEXING\n// ============================================================================\n\nexport class SortedList\n extends Enumerable> {\n private _map = new Map();\n private _keyComparator: (a: TKey, b: TKey) => number;\n\n constructor(keyComparator?: (a: TKey, b: TKey) => number) {\n super();\n this._keyComparator = keyComparator || this.defaultComparator;\n }\n\n public Add(key: TKey, value: TValue): void {\n if (this._map.has(key)) {\n throw new Error(\"An item with the same key has already been added.\");\n }\n this.Set(key, value);\n }\n\n public Set(key: TKey, value: TValue): void {\n this._map.set(key, value);\n this.Sync();\n }\n\n public Get(key: TKey): TValue {\n const val = this._map.get(key);\n if (val === undefined) {\n throw new Error(\"The given key was not present in the dictionary.\");\n }\n return val;\n }\n\n public TryGetValue(key: TKey): TValue | undefined {\n return this._map.get(key);\n }\n\n public ContainsKey(key: TKey): boolean {\n return this._map.has(key);\n }\n\n public Remove(key: TKey): boolean {\n if (this._map.delete(key)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n public RemoveAt(index: number): void {\n const key = this._items[index]?.Key;\n if (key === undefined) {\n throw new Error(\"Index was outside the bounds of the array.\");\n }\n this.Remove(key);\n }\n\n public GetAt(index: number): KeyValuePair {\n return this._items[index];\n }\n\n public get Keys(): Enumerable {\n return new Enumerable(this._items.map((pair) => pair.Key));\n }\n\n public get Values(): Enumerable {\n return new Enumerable(this._items.map((pair) => pair.Value));\n }\n\n protected Sync(): void {\n this._items = Array.from(this._map.entries()).map(\n ([k, v]) => new KeyValuePair(k, v),\n );\n this._items.sort((a, b) => this._keyComparator(a.Key, b.Key));\n }\n\n private defaultComparator(a: TKey, b: TKey): number {\n return a > b ? 1 : a < b ? -1 : 0;\n }\n}\n\n// ============================================================================\n// TIER 12: HASH SET — UNIQUE ELEMENT COLLECTION\n// ============================================================================\n\nexport class HashSet extends Enumerable {\n private _set: Set;\n private _comparer: IEqualityComparer;\n\n constructor(items?: T[] | Iterable, comparer?: IEqualityComparer) {\n super(items);\n this._comparer = comparer || new DefaultEqualityComparer();\n this._set = new Set(this._items);\n }\n\n public Add(item: T): boolean {\n if (this._set.has(item)) return false;\n this._set.add(item);\n this.Sync();\n return true;\n }\n\n public Contains(item: T): boolean {\n return this._set.has(item);\n }\n\n public Remove(item: T): boolean {\n if (this._set.delete(item)) {\n this.Sync();\n return true;\n }\n return false;\n }\n\n private Sync(): void {\n this._items = Array.from(this._set);\n }\n}\n\n// ============================================================================\n// TIER 13: LIST — MUTABLE INDEXED COLLECTION\n// ============================================================================\n\nexport class List extends Enumerable {\n public Add(item: T): void {\n this._items.push(item);\n }\n\n public ToEnumerable(): Enumerable {\n return new Enumerable(this);\n }\n\n public AddRange(items: Iterable): void {\n this._items.push(...Array.from(items));\n }\n\n public Insert(index: number, item: T): void {\n this._items.splice(index, 0, item);\n }\n\n public InsertRange(index: number, items: Iterable): void {\n this._items.splice(index, 0, ...Array.from(items));\n }\n\n public RemoveAt(index: number): void {\n this._items.splice(index, 1);\n }\n\n public RemoveRange(index: number, count: number): void {\n this._items.splice(index, count);\n }\n\n public SetAt(index: number, item: T): void {\n this._items[index] = item;\n }\n\n public GetAt(index: number): T {\n return this._items[index];\n }\n\n public Clear(): void {\n this._items.length = 0;\n }\n\n public Find(predicate: (item: T) => boolean): T | null {\n return this._items.find(predicate) ?? null;\n }\n\n public FindIndex(predicate: (item: T) => boolean): number {\n return this._items.findIndex(predicate);\n }\n\n public FindAll(predicate: (item: T) => boolean): List {\n return new List(this._items.filter(predicate));\n }\n\n public Remove(item: T): boolean {\n const idx = this._items.indexOf(item);\n if (idx > -1) {\n this._items.splice(idx, 1);\n return true;\n }\n return false;\n }\n\n public RemoveAll(predicate: (item: T) => boolean): number {\n const initial = this._items.length;\n this._items = this._items.filter((item) => !predicate(item));\n return initial - this._items.length;\n }\n\n public override Reverse(): Enumerable {\n this._items = this._items.reverse();\n return new Enumerable(this._items);\n }\n\n public Sort(comparer?: (a: T, b: T) => number): void {\n this._items.sort(comparer || ((a, b) => (a > b ? 1 : a < b ? -1 : 0)));\n }\n\n public ConvertAll(converter: (item: T) => TOutput): List {\n return new List(this._items.map(converter));\n }\n\n public LastIndexOf(item: T, fromIndex?: number): number {\n if (fromIndex === undefined) return this._items.lastIndexOf(item);\n if (fromIndex < 0 || fromIndex >= this._items.length) {\n throw new RangeError(\"fromIndex is out of range.\");\n }\n return this._items.lastIndexOf(item, fromIndex);\n }\n}\n\n// ============================================================================\n// TIER 14: QUEUE — FIFO COLLECTION\n// ============================================================================\n\nexport class Queue extends Enumerable {\n public Enqueue(item: T): void {\n this._items.push(item);\n }\n\n public Dequeue(): T {\n if (this._items.length === 0) throw new Error(\"Queue is empty.\");\n return this._items.shift()!;\n }\n\n public Peek(): T {\n if (this._items.length === 0) throw new Error(\"Queue is empty.\");\n return this._items[0];\n }\n\n public PeekOrDefault(): T | null {\n return this._items.length === 0 ? null : this._items[0];\n }\n}\n\n// ============================================================================\n// TIER 15: STACK — LIFO COLLECTION\n// ============================================================================\n\nexport class Stack extends Enumerable {\n public Push(item: T): void {\n this._items.push(item);\n }\n\n public Pop(): T {\n if (this._items.length === 0) throw new Error(\"Stack is empty.\");\n return this._items.pop()!;\n }\n\n public Peek(): T {\n if (this._items.length === 0) throw new Error(\"Stack is empty.\");\n return this._items[this._items.length - 1];\n }\n\n public PeekOrDefault(): T | null {\n return this._items.length === 0\n ? null\n : this._items[this._items.length - 1];\n }\n}\n\n// ============================================================================\n// TIER 17: OBSERVABLE COLLECTION — MUTABLE WITH CHANGE EVENTS\n// ============================================================================\n\nexport class ObservableCollection extends List {\n private _handlers: NotifyCollectionChangedEventHandler[] = [];\n\n public addEventListener(\n handler: NotifyCollectionChangedEventHandler,\n ): void {\n this._handlers.push(handler);\n }\n\n public removeEventListener(\n handler: NotifyCollectionChangedEventHandler,\n ): void {\n this._handlers = this._handlers.filter((h) => h !== handler);\n }\n\n protected onCollectionChanged(\n args: NotifyCollectionChangedEventArgs,\n ): void {\n for (const handler of this._handlers) {\n handler(this, args);\n }\n }\n\n public override Add(item: T): void {\n super.Add(item);\n this.onCollectionChanged({\n action: NotifyCollectionChangedAction.Add,\n newItems: [item],\n newStartingIndex: this.Count - 1,\n });\n }\n\n public override AddRange(items: Iterable): void {\n super.AddRange(items);\n this.onCollectionChanged({ action: NotifyCollectionChangedAction.Reset });\n }\n\n public override Clear(): void {\n super.Clear();\n this.onCollectionChanged({ action: NotifyCollectionChangedAction.Reset });\n }\n\n public override RemoveAt(index: number): void {\n const oldItem = this._items[index];\n super.RemoveAt(index);\n this.onCollectionChanged({\n action: NotifyCollectionChangedAction.Remove,\n oldItems: [oldItem],\n oldStartingIndex: index,\n });\n }\n\n public override SetAt(index: number, value: T): void {\n const oldItem = this._items[index];\n super.SetAt(index, value);\n this.onCollectionChanged({\n action: NotifyCollectionChangedAction.Replace,\n oldItems: [oldItem],\n newItems: [value],\n newStartingIndex: index,\n oldStartingIndex: index,\n });\n }\n}\n\n// ============================================================================\n// TIER 18: IMMUTABLE COLLECTIONS — COPY-ON-WRITE SEMANTICS\n// ============================================================================\n\nexport class ImmutableList extends Enumerable {\n public Add(item: T): ImmutableList {\n return new ImmutableList([...this._items, item]);\n }\n\n public AddRange(items: Iterable): ImmutableList {\n return new ImmutableList([...this._items, ...Array.from(items)]);\n }\n\n public Remove(item: T): ImmutableList {\n const idx = this._items.indexOf(item);\n return idx === -1 ? this : new ImmutableList(\n this._items.slice(0, idx).concat(this._items.slice(idx + 1)),\n );\n }\n\n public RemoveAt(index: number): ImmutableList {\n if (index < 0 || index >= this._items.length) {\n throw new Error(\"Index out of range.\");\n }\n return new ImmutableList(\n this._items.slice(0, index).concat(this._items.slice(index + 1)),\n );\n }\n\n public Clear(): ImmutableList {\n return new ImmutableList([]);\n }\n\n public SetItem(index: number, value: T): ImmutableList {\n if (index < 0 || index >= this._items.length) {\n throw new Error(\"Index out of range.\");\n }\n const newItems = [...this._items];\n newItems[index] = value;\n return new ImmutableList(newItems);\n }\n}\n\nexport class ImmutableDictionary\n extends Dictionary {\n constructor(items?: Iterable>) {\n super();\n if (items) {\n for (const item of items) {\n this._map.set(item.Key, item.Value);\n }\n this.Sync();\n }\n }\n\n public Add(key: TKey, value: TValue): ImmutableDictionary {\n if (this._map.has(key)) {\n throw new Error(\"An item with the same key has already been added.\");\n }\n return this.SetItem(key, value);\n }\n\n public SetItem(key: TKey, value: TValue): ImmutableDictionary {\n const newMap = new Map(this._map);\n newMap.set(key, value);\n return new ImmutableDictionary(\n Array.from(newMap.entries()).map(([k, v]) => new KeyValuePair(k, v)),\n );\n }\n\n public Remove(key: TKey): ImmutableDictionary {\n if (!this._map.has(key)) return this;\n const newMap = new Map(this._map);\n newMap.delete(key);\n return new ImmutableDictionary(\n Array.from(newMap.entries()).map(([k, v]) => new KeyValuePair(k, v)),\n );\n }\n}\n\n// ============================================================================\n// TIER 19: READ-ONLY WRAPPERS — IMMUTABLE FACADES\n// ============================================================================\n\nexport class ReadOnlyCollection extends Enumerable {\n private _source: List;\n\n constructor(list: List) {\n super();\n this._source = list;\n }\n\n public override get Count(): number {\n return this._source.Count;\n }\n\n public GetAt(index: number): T {\n return this._source.GetAt(index);\n }\n\n public override ToArray(): T[] {\n return this._source.ToArray();\n }\n\n public override [Symbol.iterator](): Iterator {\n return this._source[Symbol.iterator]();\n }\n}\n\nexport class ReadOnlyDictionary {\n private _source: Dictionary;\n\n constructor(dict: Dictionary) {\n this._source = dict;\n }\n\n public Get(key: TKey): TValue {\n return this._source.Get(key);\n }\n\n public TryGetValue(key: TKey): TValue | undefined {\n return this._source.TryGetValue(key);\n }\n\n public ContainsKey(key: TKey): boolean {\n return this._source.ContainsKey(key);\n }\n\n public get Keys(): Enumerable {\n return this._source.Keys;\n }\n\n public get Values(): Enumerable {\n return this._source.Values;\n }\n\n public get Count(): number {\n return this._source.Count;\n }\n\n public ToArray(): KeyValuePair[] {\n return this._source.ToArray();\n }\n}\n\n// ============================================================================\n// TIER 20: CONCURRENT DICTIONARY — THREAD-SAFE SEMANTICS (JS EVENT LOOP)\n// ============================================================================\n\nexport class ConcurrentDictionary\n extends Dictionary {\n public TryAdd(key: TKey, value: TValue): boolean {\n if (!this.ContainsKey(key)) {\n this.Set(key, value);\n return true;\n }\n return false;\n }\n\n public TryRemove(key: TKey): TValue | undefined {\n if (this.ContainsKey(key)) {\n const value = this.Get(key);\n this.Remove(key);\n return value;\n }\n return undefined;\n }\n\n public AddOrUpdate(\n key: TKey,\n addFactory: () => TValue,\n updateFactory: (key: TKey, existingValue: TValue) => TValue,\n ): TValue {\n if (this.ContainsKey(key)) {\n const existing = this.Get(key);\n const newValue = updateFactory(key, existing);\n this.Set(key, newValue);\n return newValue;\n } else {\n const newValue = addFactory();\n this.Set(key, newValue);\n return newValue;\n }\n }\n}\n\n// ============================================================================\n// TIER 21: BIT ARRAY — PACKED BOOLEAN STORAGE\n// ============================================================================\n\nexport class BitArray {\n private _bits: Uint8Array;\n private _length: number;\n private _defaultValue: boolean;\n\n constructor(length: number, defaultValue: boolean = false) {\n if (length < 0) throw new Error(\"Length must be non-negative.\");\n this._length = length;\n this._defaultValue = defaultValue;\n this._bits = new Uint8Array(Math.ceil(length / 8));\n if (defaultValue) this._bits.fill(0xff);\n }\n\n public set(index: number, value: boolean): void {\n this.checkBounds(index);\n const byteIdx = index >>> 3;\n const bitOffset = index & 7;\n if (value) {\n this._bits[byteIdx] |= 1 << bitOffset;\n } else {\n this._bits[byteIdx] &= ~(1 << bitOffset);\n }\n }\n\n public get(index: number): boolean {\n this.checkBounds(index);\n const byteIdx = index >>> 3;\n const bitOffset = index & 7;\n return (this._bits[byteIdx] & (1 << bitOffset)) !== 0;\n }\n\n public get Length(): number {\n return this._length;\n }\n\n public set Length(value: number) {\n if (value < 0) throw new Error(\"Length must be non-negative.\");\n if (value === this._length) return;\n const newByteLength = Math.ceil(value / 8);\n const newBits = new Uint8Array(newByteLength);\n newBits.set(\n this._bits.slice(0, Math.min(this._bits.length, newByteLength)),\n );\n if (\n value > this._length && this._defaultValue &&\n newByteLength > this._bits.length\n ) {\n newBits.fill(0xff, this._bits.length);\n }\n this._bits = newBits;\n this._length = value;\n }\n\n public And(other: BitArray): BitArray {\n this.checkLengthMatch(other);\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = this._bits[i] & other._bits[i];\n }\n return result;\n }\n\n public Or(other: BitArray): BitArray {\n this.checkLengthMatch(other);\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = this._bits[i] | other._bits[i];\n }\n return result;\n }\n\n public Xor(other: BitArray): BitArray {\n this.checkLengthMatch(other);\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = this._bits[i] ^ other._bits[i];\n }\n return result;\n }\n\n public Not(): BitArray {\n const result = new BitArray(this._length);\n for (let i = 0; i < this._bits.length; i++) {\n result._bits[i] = ~this._bits[i];\n }\n return result;\n }\n\n public SetAll(value: boolean): void {\n this._bits.fill(value ? 0xff : 0x00);\n }\n\n private checkBounds(index: number): void {\n if (index < 0 || index >= this._length) {\n throw new Error(\"Index was outside the bounds of the array.\");\n }\n }\n\n private checkLengthMatch(other: BitArray): void {\n if (this._length !== other._length) {\n throw new Error(\"BitArray lengths must match for logical operations.\");\n }\n }\n\n public [Symbol.iterator](): Iterator {\n let index = 0;\n return {\n next: (): IteratorResult => {\n if (index < this._length) {\n return { value: this.get(index++), done: false };\n }\n return { value: undefined, done: true };\n },\n };\n }\n}\n\n// ============================================================================\n// TIER 22: READ-ONLY LIST — IMMUTABLE SEQUENCE FACADE\n// ============================================================================\n\nexport class ReadOnlyList extends Enumerable {\n constructor(source: T[] | Enumerable) {\n super(source);\n }\n\n public GetAt(index: number): T {\n return this._items[index];\n 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valtown-file-editor.ts\n// Single-file Val Town HTTP val: API + HTML UI\nimport { renderValPicker } from \"./component-val-picker.ts\";\nimport { valTownAccessor } from \"./valTownAccessor.ts\";\n// ====================== HTTP VAL ENTRYPOINT ======================\n\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n\n const valId = url.searchParams.get(\"valId\");\n\n if (!valId) {\n return renderValPicker();\n }\n\n if (url.pathname.startsWith(\"/api/\")) {\n return await handleApi(req, url, valId);\n }\n\n return new Response(renderHtml(valId), {\n status: 200,\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n}\n\n// ====================== API HANDLERS ======================\n\nasync function handleApi(\n req: Request,\n url: URL,\n valId: string,\n): Promise {\n const path = url.pathname;\n\n try {\n if (path === \"/api/files\" && req.method === \"GET\") {\n const files = await valTownAccessor.listFiles(valId, {\n recursive: true,\n maxPages: 200,\n });\n return json(files);\n }\n\n if (path === \"/api/file\" && req.method === \"GET\") {\n const filePath = url.searchParams.get(\"path\") ?? \"\";\n if (!filePath) return json({ error: \"Missing path\" }, 400);\n const content = await valTownAccessor.getFileContentText(valId, {\n path: filePath,\n });\n return json({ path: filePath, content });\n }\n\n if (path === \"/api/file\" && req.method === \"POST\") {\n const body = await req.json();\n const filePath = String(body.path ?? \"\").trim();\n const type = (body.type ?? \"file\") as\n | \"file\"\n | \"http\"\n | \"interval\"\n | \"email\"\n | \"script\";\n const content = String(body.content ?? \"\");\n if (!filePath) return json({ error: \"Missing path\" }, 400);\n\n const created = await valTownAccessor.createFile(valId, {\n path: filePath,\n content,\n type,\n });\n return json(created, 201);\n }\n\n if (path === \"/api/file\" && req.method === \"PUT\") {\n const body = await req.json();\n const filePath = String(body.path ?? \"\").trim();\n const name = String(body.name ?? \"\").trim() || basename(filePath);\n const parent_path = (() => {\n const segs = filePath.split(\"/\").filter(Boolean);\n return segs.length > 1 ? \"/\" + segs.slice(0, -1).join(\"/\") : undefined;\n })();\n const type = (body.type ?? \"file\") as\n | \"file\"\n | \"http\"\n | \"interval\"\n | \"email\"\n | \"script\";\n const content = String(body.content ?? \"\");\n if (!filePath) return json({ error: \"Missing path\" }, 400);\n\n const updated = await valTownAccessor.updateFile(valId, {\n path: filePath,\n name,\n parent_path,\n type,\n content,\n });\n return json(updated);\n }\n\n if (path === \"/api/file\" && req.method === \"DELETE\") {\n const filePath = url.searchParams.get(\"path\") ?? \"\";\n if (!filePath) return json({ error: \"Missing path\" }, 400);\n await valTownAccessor.deleteFile(valId, {\n path: filePath,\n recursive: false,\n });\n return json({ ok: true });\n }\n\n if (path === \"/api/move\" && req.method === \"POST\") {\n const body = await req.json();\n const fromPath = String(body.fromPath ?? \"\").trim();\n const toPath = String(body.toPath ?? \"\").trim();\n const type = (body.type ?? \"file\") as\n | \"file\"\n | \"http\"\n | \"interval\"\n | \"email\"\n | \"script\";\n if (!fromPath || !toPath) {\n return json({ error: \"Missing fromPath/toPath\" }, 400);\n }\n\n const content = await valTownAccessor.getFileContentText(valId, {\n path: fromPath,\n });\n\n await valTownAccessor.createFile(valId, {\n path: toPath,\n content,\n type,\n });\n\n await valTownAccessor.deleteFile(valId, {\n path: fromPath,\n recursive: false,\n });\n\n return json({ ok: true, fromPath, toPath });\n }\n\n return json({ error: \"Not found\" }, 404);\n } catch (err: any) {\n return json({ error: String(err?.message ?? err) }, 500);\n }\n}\n\nfunction json(data: unknown, status = 200): Response {\n return new Response(JSON.stringify(data), {\n status,\n headers: { \"content-type\": \"application/json; charset=utf-8\" },\n });\n}\n\nfunction basename(p: string): string {\n const parts = p.split(\"/\").filter(Boolean);\n return parts[parts.length - 1] ?? \"\";\n}\n\n// ====================== HTML RENDER ======================\n\nfunction renderHtml(valId: string): string {\n return `\n\n\n\nVal Town File Editor\n\n\n\n\n

${valId}

\n \n \n

\n Files\n \n

\n No file selected\n Idle\n \n \n

\n \n

\n Drag files to move\n

\n\n\n`;\n}","label",[153],"7b16a3ea-46ce-11f1-82bf-42b51c65c3df","valTownAccessor.ts","e4763db0-4687-11f1-b00b-42b51c65c3df",677,["D",1777798806732],87,"import ValTown from \"npm:@valtown/sdk@3.10.0\";\n\nexport interface PaginationControl {\n maxPages?: number;\n pageSize?: number;\n}\n\nexport interface ValTownAccessorConfig extends PaginationControl {\n timeoutMs?: number;\n}\n\nexport class ValTownAccessor {\n private client: InstanceType;\n private config: Required;\n\n constructor(\n config: ValTownAccessorConfig = {\n timeoutMs: 60000,\n maxPages: 30,\n pageSize: 100,\n },\n ) {\n this.client = new ValTown();\n this.config = {\n maxPages: config.maxPages ?? 30,\n pageSize: config.pageSize ?? 100,\n timeoutMs: config.timeoutMs ?? 60000,\n };\n }\n\n async getUsername(): Promise {\n return (await this.client.me.profile.retrieve()._thenUnwrap((v) => v))\n .username;\n }\n // Check if current module is being run directly\n isMain(meta: ImportMeta): boolean {\n return meta.main ||\n (meta.url === import.meta.url &&\n (typeof Deno !== \"undefined\" && (Deno.args?.length ?? 0) > 0));\n }\n\n async getValById(id: string) {\n const res = await this.listVals({ maxPages: 50, pageSize: 100 });\n for (const x of res) {\n if (x.id === id) {\n return {\n id: x.id,\n name: x.name,\n privacy: x.privacy,\n description: x.description,\n createdAt: x.createdAt,\n httpUrl: this.getValHttpUrl(x.id),\n };\n }\n }\n return null;\n }\n\n async getValByName(name: string) {\n const res = await this.listVals({ maxPages: 50, pageSize: 100 });\n for (const x of res) {\n if (x.name === name) {\n return {\n id: x.id,\n name: x.name,\n privacy: x.privacy,\n description: x.description,\n createdAt: x.createdAt,\n httpUrl: this.getValHttpUrl(x.id),\n };\n }\n }\n return null;\n }\n\n // ====================== VALS CRUD ======================\n async createVal(params: {\n name: string;\n privacy: \"public\" | \"unlisted\" | \"private\";\n description?: string;\n code?: string;\n }) {\n const val = await this.client.vals.create(params);\n return {\n id: val.id,\n name: val.name,\n privacy: val.privacy,\n description: val.description,\n createdAt: val.createdAt,\n httpUrl: this.getValHttpUrl(val.name),\n };\n }\n\n async listVals(ctrl: PaginationControl = {}) {\n const results: Array<{\n id: string;\n name: string;\n privacy: string;\n description?: string;\n createdAt: string;\n httpUrl: string;\n }> = [];\n\n const maxPages = ctrl.maxPages ?? this.config.maxPages;\n const pageSize = ctrl.pageSize ?? this.config.pageSize;\n\n let pages = 0;\n\n // The SDK returns an async iterator — not a paged object.\n for await (const v of this.client.me.vals.list({ limit: pageSize })) {\n results.push({\n id: v.id,\n name: v.name,\n privacy: v.privacy,\n description: v.description,\n createdAt: v.createdAt,\n httpUrl: this.getValHttpUrl(v.id), // MUST use name, not id\n });\n\n if (++pages >= maxPages) break;\n }\n\n return results;\n }\n\n async deleteVal(valId: string): Promise {\n await this.client.vals.delete(valId);\n }\n\n getValHttpUrl(identifier: string, username?: string): string {\n const clean = identifier.replace(/[^a-zA-Z0-9-]/g, \"-\").toLowerCase();\n return username\n ? `https://${username}-${clean}.val.run`\n : `https://${clean}.val.run`;\n }\n\n async callValHttp(url: string, options: {\n method?: \"GET\" | \"POST\" | \"PUT\" | \"DELETE\";\n body?: unknown;\n headers?: Record;\n } = {}) {\n const resp = await fetch(url, {\n method: options.method ?? \"GET\",\n headers: { \"Content-Type\": \"application/json\", ...options.headers },\n body: options.body ? JSON.stringify(options.body) : undefined,\n });\n\n const text = await resp.text();\n let json = null;\n try {\n json = JSON.parse(text);\n } catch {}\n\n return { status: resp.status, ok: resp.ok, text, json };\n }\n\n // ====================== FILES & FOLDERS ======================\n async createFile(valId: string, params: {\n path: string;\n content?: string;\n type: \"file\" | \"http\" | \"interval\" | \"email\" | \"script\";\n branchId?: string;\n }) {\n const response = await this.client.vals.files.create(valId, {\n path: params.path,\n content: params.content,\n type: params.type,\n branch_id: params.branchId,\n });\n return {\n id: response.id,\n path: response.path,\n name: response.name,\n type: response.type,\n version: response.version,\n updatedAt: response.updatedAt,\n };\n }\n\n async getFileContentResponse(valId: string, params: {\n path: string;\n branchId?: string;\n version?: number;\n }): Promise {\n const resp = await this.client.vals.files.getContent(valId, {\n path: params.path,\n branch_id: params.branchId,\n version: params.version,\n });\n return resp;\n }\n\n async getFileContentText(valId: string, params: {\n path: string;\n branchId?: string;\n version?: number;\n }): Promise {\n return (await this.getFileContentResponse(valId, params)).text();\n }\n\n async listFiles(\n valId: string,\n ctrl: PaginationControl & { path?: string; recursive?: boolean } = {},\n ) {\n const results: Array<{\n path: string;\n type: \"file\" | \"http\" | \"interval\" | \"email\" | \"script\";\n size?: number;\n lastModified?: string;\n name: string;\n version: number;\n }> = [];\n let pages = 0;\n const max = ctrl.maxPages ?? this.config.maxPages;\n const size = ctrl.pageSize ?? this.config.pageSize;\n\n for await (\n const item of this.client.vals.files.retrieve(valId, {\n path: ctrl.path ?? \"\",\n recursive: ctrl.recursive ?? false,\n limit: size,\n })\n ) {\n results.push({\n path: item.path,\n type: item.type as \"file\" | \"http\" | \"interval\" | \"email\" | \"script\",\n lastModified: item.updatedAt,\n name: item.name,\n version: item.version,\n });\n if (++pages >= max) break;\n }\n return results;\n }\n\n async updateFile(valId: string, params: {\n path: string;\n content: string;\n branchId?: string;\n name: string;\n parent_path?: string;\n type: \"file\" | \"http\" | \"interval\" | \"email\" | \"script\";\n }) {\n const response = await this.client.vals.files.update(valId, {\n path: params.path,\n content: params.content,\n branch_id: params.branchId,\n name: params.name,\n parent_path: params.parent_path,\n type: params.type,\n });\n return {\n id: response.id,\n name: response.name,\n type: response.type,\n path: response.path,\n updatedAt: response.updatedAt,\n version: response.version,\n };\n }\n\n async deleteFile(\n valId: string,\n params: { path: string; branchId?: string; recursive?: boolean },\n ): Promise {\n await this.client.vals.files.delete(valId, {\n path: params.path,\n branch_id: params.branchId,\n recursive: params.recursive ?? false,\n });\n }\n\n // ====================== ENVIRONMENT VARIABLES ======================\n async createEnvVar(valId: string, params: { key: string; value: string }) {\n const result = await this.client.vals.environmentVariables.create(\n valId,\n params,\n );\n return {\n key: result.key,\n createdAt: result.createdAt,\n description: result.description,\n updatedAt: result.updatedAt,\n };\n }\n\n async listEnvVars(valId: string, ctrl?: { limit?: number; offset?: number }) {\n const results: Array<\n { key: string; description: string; createdAt: string; updatedAt: string }\n > = [];\n for await (\n const env of this.client.vals.environmentVariables.list(valId, {\n limit: ctrl?.limit,\n offset: ctrl?.offset,\n })\n ) {\n results.push({\n key: env.key,\n description: env.description,\n createdAt: env.createdAt,\n updatedAt: env.updatedAt,\n });\n }\n return results;\n }\n\n async updateEnvVar(\n valId: string,\n key: string,\n value: string,\n description?: string,\n ) {\n const env = await this.client.vals.environmentVariables.update(key, {\n description: description,\n val_id: valId,\n value,\n });\n return {\n key: env.key,\n description: env.description,\n createdAt: env.createdAt,\n updatedAt: env.updatedAt,\n };\n }\n\n async deleteEnvVar(valId: string, key: string): Promise {\n await this.client.vals.environmentVariables.delete(key, { val_id: valId });\n }\n\n // ====================== UTILITY HELPERS (inside class) ======================\n async sleep(ms: number): Promise {\n return await (new Promise((r) => setTimeout(r, ms)));\n }\n\n sanitizeName(name: string): string {\n return name.toLowerCase().replace(/[^a-z0-9-]/g, \"-\").replace(/-+/g, \"-\");\n }\n\n // ====================== FULL DEMO ======================\n async fullDemo(namePrefix = \"accessor-demo\") {\n const val = await this.createVal({\n name: this.sanitizeName(`${namePrefix}-${Date.now()}`),\n privacy: \"unlisted\",\n description: \"Full accessor test\",\n code: `export default () => new Response(\"Accessor running\");`,\n });\n\n await this.createFile(val.id, {\n path: \"docs/readme.md\",\n content: \"# Accessor Test\\nAll operations working.\",\n type: \"file\",\n });\n\n const files = await this.listFiles(val.id);\n const content = await this.getFileContentText(val.id, {\n path: \"docs/readme.md\",\n });\n await this.createEnvVar(val.id, { key: \"DEMO_KEY\", value: \"test-value\" });\n const envs = await this.listEnvVars(val.id);\n\n await this.deleteVal(val.id);\n\n return {\n valId: val.id,\n originalUrl: val.httpUrl,\n filesCount: files.length,\n envCount: envs.length,\n sampleContent: content.substring(0, 100),\n };\n }\n}\n\n// Default instance\nexport const valTownAccessor = new ValTownAccessor();\nexport default valTownAccessor;",[165],"50f3e2da-46d3-11f1-a703-42b51c65c3df","text-chunker.tsx","163cc03c-4681-11f1-aa18-42b51c65c3df",693,["D",1777800883519],35,"// ─────────────────────────────────────────────────────────────────────────────\n// CHUNK ENGINE + VALTOWN FILE BROWSER · mobile-first · Val Town Hono/Deno\n// ─────────────────────────────────────────────────────────────────────────────\nimport { valTownAccessor } from \"./valTownAccessor.ts\";\nimport { Hono } from \"npm:hono\";\nimport { renderValPicker } from \"./component-val-picker.ts\";\n// ── Constants ────────────────────────────────────────────────────────────────\n\nconst DEFAULT_CHUNK = 10_000;\nconst MAX_BOUND = 1_000_000;\n\nconst CFG = Object.freeze({\n NORMALIZE: true,\n SAFE_SLICE: true,\n HTML_ESCAPE: true,\n JSON_ESCAPE: true,\n});\n\nconst ESC: Readonly> = Object.freeze({\n \"&\": \"&\",\n \"<\": \"<\",\n \">\": \">\",\n '\"': \""\",\n \"'\": \"'\",\n});\n\n// ── Pure utilities ────────────────────────────────────────────────────────────\n\nfunction escH(s: string): string {\n return CFG.HTML_ESCAPE ? s.replace(/[&<>\"']/g, (c) => ESC[c]) : s;\n}\n\nfunction escJSON(v: unknown): string {\n return JSON.stringify(v)\n .replace(/<\\/script>/gi, \"<\\\\/script>\")\n .replace(/\n

\n \n ◈\n Val Town Files\n \n ▾\n

Not loaded — click Refresh to fetch your val files.

\n\n \n\n \n\n \n\n \n\n \n\n

\n \n \n

\n\n\n

\n Input ▾\n

\n \n

\n \n \n \n

\n\n\n

\n Chunking ▾\n

\n Size\n \n

\n Overlap\n \n

\n Min Length\n \n

\n Boundary Snap\n \n

\n Token Model\n \n

\n \n

\n \n Collapse whitespace\n \n \n \n \n \n \n Reverse order\n \n \n \n \n \n \n NFKC normalize\n \n \n \n \n \n \n Strip BOM\n \n \n \n \n \n

\n\n\n

\n Wrap & Describe ▾\n

\n Global Prefix\n \n

\n Global Postfix\n \n

\n Per-chunk Prefix Template\n \n

\n Per-chunk Postfix Template\n \n

\n Templates: {i} = 1-based index · {n} = total · {s} = start offset · {e} = end offset · {chars} = length · {tokens} = est. tokens · {hash} = 8-char fingerprint\n

\n \n Show chunk descriptions\n \n \n \n \n \n \n Base64 output\n \n \n \n \n \n

\n Description template\n \n

\n\n\n\n\n

\n\n\n\n\n\n\n`;\n}\n\n// ── Hono app ──────────────────────────────────────────────────────────────────\n\nconst app = new Hono();\n\n// Val Town proxy — list files\napp.get(\"/api/vt/files\", async (c) => {\n try {\n const files = await vtListFiles(c.req.query(\"valId\"));\n return c.json({ files });\n } catch (e) {\n return c.json({ error: String(e) }, 500);\n }\n});\n\n// Val Town proxy — read single file\napp.get(\"/api/vt/file\", async (c) => {\n const path = c.req.query(\"path\") ?? \"\";\n if (!path) return c.json({ error: \"missing path\" }, 400);\n try {\n const content = await vtReadFile(path);\n return c.json({ content });\n } catch (e) {\n return c.json({ error: String(e) }, 500);\n }\n});\n\n// Main app — GET (empty state)\napp.get(\"*\", async (c) => {\n if (!c.req.query(\"valId\")) {\n return await renderValPicker();\n }\n const payload: Payload = Object.freeze({\n chunks: [],\n meta: { count: 0, length: 0, size: DEFAULT_CHUNK, avg: 0, bytes: 0 },\n });\n return c.html(html(\"\", payload));\n});\n\n// Main app — POST (process text)\napp.post(\"*\", async (c) => {\n const { text, size: reqSize } = await parse(c.req.raw);\n const size = clamp(reqSize > 0 ? reqSize : DEFAULT_CHUNK, 1, MAX_BOUND);\n const chunks = chunk(text, size);\n const meta = buildMeta(chunks, text.length, size);\n const payload: Payload = Object.freeze({ chunks, meta });\n return c.html(html(text, payload));\n});\n\nexport default app.fetch;",[173],"d882a1cc-4b6b-11f1-93bf-ee650bb23af1","string-parser.ts","c13b8fba-467a-11f1-a24b-42b51c65c3df",1140,["D",1778306199107],187,"import * as util from \"./CodeUtilities.ts\";\nimport * as scg from \"./System.Collections.Generic.ts\";\n\nexport interface SplitConfig {\n keepComments: boolean;\n enableSlashEscapeInString: boolean;\n enableSingleQuoteStrings: boolean;\n enableBacktickStrings: boolean;\n enableEscapeTwoSingleQuotesInString: boolean;\n enableEscapeTwoDoubleQuotesInAtSignString: boolean;\n enableEscapeTwoDoubleQuotesInString: boolean;\n allowNString: boolean;\n keepStringsTogether: boolean;\n enableMySQLStrings: boolean;\n treatBracketsAsString: boolean;\n enableSlashStarComments: boolean;\n enableSlashSlashComments: boolean;\n enableDashDashComments: boolean;\n enableDashDashSpaceComments: boolean;\n enablePoundComments: boolean;\n enableSingleQuoteComments: boolean;\n enableREMComments: boolean;\n charPairs: string[][];\n keepAtSignWithLettersOrDigits: boolean;\n keepDollarSignWithLettersOrDigits: boolean;\n keepPoundSignWithLettersOrDigits: boolean;\n includeSymbols: boolean;\n keepNumbersWithLetters: boolean;\n keepDotWithLetters: boolean;\n includeCRLF: boolean;\n keywords: Set;\n}\n\nexport enum RangeType {\n Text = \"Text\",\n Comment = \"Comment\",\n StringLiteral = \"StringLiteral\",\n Keyword = \"Keyword\",\n NewLine = \"NewLine\",\n FlowControl = \"FlowControl\",\n}\n\nexport interface FileRange {\n start: number;\n end: number;\n lineNumber: number;\n rangeType: RangeType;\n getValue(buffer: string | null): string;\n}\n\n// ─── Operator pairs ───────────────────────────────────────────────────────────\n\nconst C_OPERATOR_PAIRS: string[][] = [\n [\"-\", \"-\"],\n [\"+\", \"+\"],\n [\"+\", \"=\"],\n [\"-\", \"=\"],\n [\">\", \"=\"],\n [\"<\", \"=\"],\n [\"!\", \"=\"],\n [\"|\", \"=\"],\n [\"&\", \"=\"],\n [\"~\", \"=\"],\n [\"^\", \"=\"],\n [\"|\", \"|\"],\n [\"&\", \"&\"],\n [\"<\", \"<\"],\n [\">\", \">\"],\n];\n\nconst JS_OPERATOR_PAIRS: string[][] = [\n ...C_OPERATOR_PAIRS,\n [\"*\", \"*\"],\n [\"*\", \"*\", \"=\"],\n [\"?\", \"?\"],\n [\"?\", \".\"],\n [\"=\", \"=\", \"=\"],\n [\"!\", \"=\", \"=\"],\n [\">\", \">\", \"=\"],\n [\"<\", \"<\", \"=\"],\n [\">\", \">\", \">\"],\n [\"=\", \">\"],\n];\n\nconst TEMPLATE_LITERAL_PAIR: string[] = [\"`\", \"`\"];\n\n// ─── Base config ──────────────────────────────────────────────────────────────\n\nconst BASE: SplitConfig = {\n keepComments: false,\n enableSlashEscapeInString: true,\n enableSingleQuoteStrings: false,\n enableBacktickStrings: false,\n enableEscapeTwoSingleQuotesInString: false,\n enableEscapeTwoDoubleQuotesInAtSignString: false,\n enableEscapeTwoDoubleQuotesInString: false,\n allowNString: false,\n keepStringsTogether: true,\n enableMySQLStrings: false,\n treatBracketsAsString: false,\n enableSlashStarComments: true,\n enableSlashSlashComments: true,\n enableDashDashComments: false,\n enableDashDashSpaceComments: false,\n enablePoundComments: false,\n enableSingleQuoteComments: false,\n enableREMComments: false,\n charPairs: [],\n keepAtSignWithLettersOrDigits: false,\n keepDollarSignWithLettersOrDigits: false,\n keepPoundSignWithLettersOrDigits: false,\n includeSymbols: false,\n keepNumbersWithLetters: false,\n keepDotWithLetters: false,\n includeCRLF: false,\n keywords: new Set(),\n};\n\n// ─── Preset configs ───────────────────────────────────────────────────────────\n\nexport const ConfigSQL: SplitConfig = {\n ...BASE,\n enableSlashEscapeInString: false,\n enableSingleQuoteStrings: true,\n enableEscapeTwoSingleQuotesInString: true,\n enableEscapeTwoDoubleQuotesInAtSignString: true,\n allowNString: true,\n treatBracketsAsString: true,\n enableSlashStarComments: true,\n enableSlashSlashComments: false,\n enableDashDashComments: true,\n enableDashDashSpaceComments: true,\n keepAtSignWithLettersOrDigits: true,\n keepPoundSignWithLettersOrDigits: true,\n keepDotWithLetters: true,\n keywords: new Set([\n \"select\",\n \"from\",\n \"where\",\n \"join\",\n \"inner\",\n \"outer\",\n \"left\",\n \"right\",\n \"full\",\n \"cross\",\n \"on\",\n \"group\",\n \"by\",\n \"order\",\n \"having\",\n \"union\",\n \"all\",\n \"distinct\",\n \"top\",\n \"limit\",\n \"offset\",\n \"insert\",\n \"into\",\n \"values\",\n \"update\",\n \"set\",\n \"delete\",\n \"merge\",\n \"with\",\n \"as\",\n \"case\",\n \"when\",\n \"then\",\n \"else\",\n \"end\",\n \"and\",\n \"or\",\n \"not\",\n \"in\",\n \"between\",\n \"like\",\n \"is\",\n \"null\",\n \"exists\",\n \"any\",\n \"some\",\n \"cast\",\n \"convert\",\n \"isnull\",\n \"coalesce\",\n \"nullif\",\n \"count\",\n \"sum\",\n \"avg\",\n \"min\",\n \"max\",\n \"row_number\",\n \"rank\",\n \"dense_rank\",\n \"partition\",\n \"over\",\n \"begin\",\n \"commit\",\n \"rollback\",\n \"transaction\",\n \"exec\",\n \"execute\",\n \"declare\",\n \"table\",\n \"create\",\n \"alter\",\n \"drop\",\n \"index\",\n \"view\",\n \"procedure\",\n \"function\",\n \"trigger\",\n \"constraint\",\n \"primary\",\n \"foreign\",\n \"key\",\n \"references\",\n \"unique\",\n \"default\",\n \"go\",\n \"use\",\n \"database\",\n \"schema\",\n \"if\",\n \"else\",\n \"while\",\n \"return\",\n \"break\",\n \"continue\",\n \"print\",\n \"raiserror\",\n \"throw\",\n \"try\",\n \"catch\",\n ]),\n};\n\nexport const ConfigJavaScript: SplitConfig = {\n ...BASE,\n enableBacktickStrings: true,\n enableSlashEscapeInString: true,\n enableSingleQuoteStrings: true,\n enableSlashSlashComments: true,\n enableSlashStarComments: true,\n includeSymbols: true,\n keepNumbersWithLetters: true,\n keepStringsTogether: true,\n keepDotWithLetters: true,\n keepPoundSignWithLettersOrDigits: true,\n charPairs: [TEMPLATE_LITERAL_PAIR, ...JS_OPERATOR_PAIRS],\n keywords: new Set([\n \"async\",\n \"await\",\n \"break\",\n \"case\",\n \"catch\",\n \"class\",\n \"const\",\n \"continue\",\n \"debugger\",\n \"default\",\n \"delete\",\n \"do\",\n \"else\",\n \"export\",\n \"extends\",\n \"false\",\n \"finally\",\n \"for\",\n \"function\",\n \"if\",\n \"import\",\n \"in\",\n \"instanceof\",\n \"let\",\n \"new\",\n \"null\",\n \"of\",\n \"return\",\n \"static\",\n \"super\",\n \"switch\",\n \"this\",\n \"throw\",\n \"true\",\n \"try\",\n \"typeof\",\n \"undefined\",\n \"var\",\n \"void\",\n \"while\",\n \"with\",\n \"yield\",\n \"console\",\n \"Promise\",\n \"Symbol\",\n \"BigInt\",\n \"globalThis\",\n \"queueMicrotask\",\n ]),\n};\n\nexport const ConfigTypeScript: SplitConfig = {\n ...ConfigJavaScript,\n keywords: new Set([\n ...ConfigJavaScript.keywords,\n \"abstract\",\n \"as\",\n \"asserts\",\n \"declare\",\n \"enum\",\n \"from\",\n \"global\",\n \"implements\",\n \"infer\",\n \"interface\",\n \"is\",\n \"keyof\",\n \"module\",\n \"namespace\",\n \"never\",\n \"object\",\n \"out\",\n \"override\",\n \"private\",\n \"protected\",\n \"public\",\n \"readonly\",\n \"satisfies\",\n \"type\",\n \"unique\",\n \"unknown\",\n \"using\",\n \"Awaited\",\n \"Partial\",\n \"Required\",\n \"Readonly\",\n \"Record\",\n \"Pick\",\n \"Omit\",\n \"Exclude\",\n \"Extract\",\n \"NonNullable\",\n \"Parameters\",\n \"ConstructorParameters\",\n \"ReturnType\",\n \"InstanceType\",\n \"ThisParameterType\",\n \"OmitThisParameter\",\n \"ThisType\",\n \"Uppercase\",\n \"Lowercase\",\n \"Capitalize\",\n \"Uncapitalize\",\n ]),\n};\n\n// ─── Helpers ──────────────────────────────────────────────────────────────────\n\nfunction makeFileRange(\n start: number,\n end: number,\n lineNumber: number,\n rangeType: RangeType,\n source: string,\n): FileRange {\n return {\n start,\n end,\n lineNumber,\n rangeType,\n getValue: (buf: string | null) => buf != null ? buf.slice(start, end) : \"\",\n };\n}\n\nclass CharProp {\n c: string;\n p?: CharProp;\n n?: CharProp;\n constructor(c: string, p?: CharProp, n?: CharProp) {\n this.c = c;\n this.p = p;\n this.n = n;\n }\n assign(c: string, p?: CharProp, n?: CharProp) {\n this.c = c;\n this.p = p;\n this.n = n;\n }\n get isWS() {\n return this.c === \" \" || this.c === \"\\t\" || this.c === \"\\r\" ||\n this.c === \"\\n\";\n }\n get isLetter() {\n return /^[A-Za-z_]$/.test(this.c);\n }\n get isNumber() {\n return /^[0-9]$/.test(this.c) ||\n this.isDot &&\n (this.p != null && this.n != null) &&\n (!this.p.isLetter && !this.n.isLetter &&\n (this.p.isNumber || this.n.isNumber));\n }\n get isAt() {\n return this.c === \"@\";\n }\n get isAtOrLetterOrDigit() {\n return this.isAt || this.isLetter || this.isNumber;\n }\n get isSymbol() {\n return this.c !== \"\\0\" && !this.isLetter && !this.isNumber && !this.isWS;\n }\n get isQuote() {\n return this.c === '\"' || this.c === \"'\" || this.c === \"`\";\n }\n get isDot() {\n return this.c === \".\";\n }\n get isLD() {\n return this.isLetter || this.isDot;\n }\n get isLN() {\n return this.isLetter || this.isNumber;\n }\n}\n\n// ─── splitWordRanges ──────────────────────────────────────────────────────────\nclass EscapeDetector {\n private backslashCounts: number[];\n\n constructor(source: string) {\n this.backslashCounts = new Array(source.length).fill(0);\n let count = 0;\n for (let i = 0; i < source.length; i++) {\n this.backslashCounts[i] = count;\n count = source[i] === \"\\\\\" ? count + 1 : 0;\n }\n }\n\n isEscaped(index: number): boolean {\n const precedingBackslashes = this.backslashCounts[index];\n return (precedingBackslashes & 1) === 1;\n }\n}\n\n// ============================================================================\n// TIER 4: MAIN GENERATOR — CORRECTED STATE MACHINE\n// ============================================================================\n\nexport function* splitWordRanges(\n source: string,\n config: SplitConfig,\n): Generator {\n if (!source || source.length === 0) return;\n\n const srcLen = source.length;\n const getChar = (i: number): string =>\n i >= 0 && i < srcLen ? source[i] : \"\\0\";\n\n if (getChar(0) === \"\\0\") return;\n\n // FIX 1.2: Pre-compute escape detection (O(n) single pass instead of O(n²) per-char scan)\n const escapeDetector = new EscapeDetector(source);\n\n let sbLen = 0,\n startIdx = -1;\n let inString = false,\n isNString = false,\n stringChar = \"\\0\";\n let inAtIdentifier = false,\n inBracketString = false;\n let inSlashStarComment = false,\n inSlashSlashComment = false;\n let inDashDashComment = false,\n inDashDashSpaceComment = false;\n let inPoundComment = false,\n inEscapedString = false;\n let isInAtSignString = false,\n inSingleQuoteComment = false,\n inREMComment = false;\n let inBacktickString = false;\n\n // FIX 1.7: Stack-based charPair tracking for proper nesting\n const charPairStack: {\n pairArray: string[];\n pairIndex: number;\n // FIX 1.1: Track the CLOSING sequence length, not (length - 1)\n lengthRemaining: number;\n }[] = [];\n\n let lineNumber = 0.0,\n sbHasChar = false;\n\n // FIX 1.2: CharProp objects initialized and updated on EVERY iteration\n const c = new CharProp(\n getChar(0),\n new CharProp(getChar(-1)),\n new CharProp(getChar(1)),\n );\n const n = new CharProp(\n getChar(1),\n new CharProp(getChar(0)),\n new CharProp(getChar(2)),\n );\n const n2 = new CharProp(\n getChar(2),\n new CharProp(getChar(1)),\n new CharProp(getChar(3)),\n );\n const n3 = new CharProp(getChar(3));\n const n4 = new CharProp(getChar(4));\n const n5 = new CharProp(getChar(5));\n const n6 = new CharProp(getChar(6));\n const p = new CharProp(\"\\0\");\n\n // FIX 2.3: Compute atEnd flags PER ITERATION, not once at startup\n const updateLookahead = (x: number): void => {\n c.assign(\n getChar(x),\n new CharProp(getChar(x - 1)),\n new CharProp(getChar(x + 1)),\n );\n n.assign(\n getChar(x + 1),\n new CharProp(getChar(x)),\n new CharProp(getChar(x + 2)),\n );\n n2.assign(getChar(x + 2));\n n3.assign(getChar(x + 3));\n n4.assign(getChar(x + 4));\n n5.assign(getChar(x + 5));\n n6.assign(getChar(x + 6));\n };\n\n const propsSeq = (): CharProp[] => [c, n, n2, n3, n4, n5, n6];\n\n for (let x = 0; x < srcLen; x++) {\n // FIX 1.2: Update lookahead on EVERY iteration (not just x=0)\n updateLookahead(x);\n\n const cInAnyCharPair = charPairStack.length > 0;\n let cInStr = inString,\n nInStr = cInStr;\n let inComment = inSlashStarComment || inSlashSlashComment ||\n inDashDashComment || inDashDashSpaceComment || inPoundComment ||\n inSingleQuoteComment || inREMComment;\n const cInComment = inComment;\n const cinBracketString = inBracketString;\n\n const atLineEnd = n.c === \"\\r\" || n.c === \"\\n\" || (x + 1) >= srcLen;\n\n // FIX 1.2: Use cached escape detector (O(1) lookup instead of O(n) backward scan)\n const inEscape = escapeDetector.isEscaped(x);\n\n let isNStringN = false;\n if (c.isAt && !inString) inAtIdentifier = true;\n if (inAtIdentifier && !inString && (c.isWS || c.isSymbol) && !c.isAt) {\n inAtIdentifier = false;\n }\n\n // ─── Escape-pair tracking ───────────────────────────────────────────────\n\n // FIX 1.3: Removed leavingEscapedString state leak; simplify escape-pair logic\n if (\n config.enableSingleQuoteStrings &&\n config.enableEscapeTwoSingleQuotesInString\n ) {\n if (inString && !inEscape && inEscapedString && c.c === \"'\") {\n inEscapedString = false;\n }\n if (\n inString && !inEscape && !inEscapedString && c.c === \"'\" &&\n n.c === \"'\"\n ) {\n inEscapedString = true;\n }\n }\n\n if (config.enableEscapeTwoDoubleQuotesInAtSignString) {\n if (\n isInAtSignString && inString && !inEscape && inEscapedString &&\n c.c === '\"'\n ) {\n inEscapedString = false;\n }\n if (\n isInAtSignString && inString && !inEscape && !inEscapedString &&\n c.c === '\"' && n.c === '\"'\n ) {\n inEscapedString = true;\n }\n }\n\n if (config.enableEscapeTwoDoubleQuotesInString) {\n if (\n !isInAtSignString && inString && !inEscape && inEscapedString &&\n c.c === '\"'\n ) {\n inEscapedString = false;\n }\n if (\n !isInAtSignString && inString && !inEscape && !inEscapedString &&\n c.c === '\"' && n.c === '\"'\n ) {\n inEscapedString = true;\n }\n }\n\n // ─── N-string prefix detection ──────────────────────────────────────────\n\n if (\n config.enableSingleQuoteStrings && config.keepStringsTogether &&\n config.allowNString && !inString && !inEscape\n ) {\n if (c.c === \"N\" && !p.isLetter && n.c === \"'\") {\n isNStringN = true;\n isNString = true;\n } else {\n isNString = false;\n }\n }\n\n // ─── String / Comment State Machine ─────────────────────────────────────\n\n if (config.keepStringsTogether && !inEscape) {\n if (!inString) {\n let matchedCharPair: string[] | null = null;\n if (!cInComment) {\n const props = propsSeq();\n matchedCharPair = config.charPairs.find((v) =>\n v.every((ch, i) =>\n i < props.length && ch === props[i].c\n )\n ) ?? null;\n }\n\n const enterString = c.c === '\"' ||\n ((config.enableBacktickStrings || config.enableMySQLStrings) &&\n c.c === \"`\") ||\n ((config.enableSingleQuoteStrings ||\n config.enableSingleQuoteComments) &&\n c.c === \"'\") ||\n (config.treatBracketsAsString && c.c === \"[\") ||\n (config.enableSlashStarComments && c.c === \"/\" && n.c === \"*\") ||\n (config.enableSlashSlashComments && c.c === \"/\" && n.c === \"/\") ||\n (config.enableDashDashComments && c.c === \"-\" && n.c === \"-\") ||\n (config.enableDashDashSpaceComments && c.c === \"-\" && n.c === \"-\" &&\n n2.isWS) ||\n (config.enablePoundComments && c.c === \"#\") ||\n (config.enableREMComments && p.isWS && c.c.toLowerCase() === \"r\" &&\n n.c.toLowerCase() === \"e\" && n2.c.toLowerCase() === \"m\" &&\n n3.isWS) ||\n matchedCharPair != null;\n\n if (enterString) {\n inString = true;\n stringChar = c.c;\n cInStr = true;\n nInStr = true;\n isInAtSignString = p.isAt;\n inBacktickString = c.c === \"`\";\n inBracketString = config.treatBracketsAsString && c.c === \"[\";\n inSlashStarComment = config.enableSlashStarComments && c.c === \"/\" &&\n n.c === \"*\";\n inSingleQuoteComment = config.enableSingleQuoteComments &&\n c.c === \"'\";\n inREMComment = config.enableREMComments && p.isWS &&\n c.c.toLowerCase() === \"r\" && n.c.toLowerCase() === \"e\" &&\n n2.c.toLowerCase() === \"m\" && n3.isWS;\n inSlashSlashComment = config.enableSlashSlashComments &&\n c.c === \"/\" && n.c === \"/\";\n inDashDashComment = config.enableDashDashComments && c.c === \"-\" &&\n n.c === \"-\";\n inDashDashSpaceComment = config.enableDashDashSpaceComments &&\n c.c === \"-\" && n.c === \"-\" && n2.isWS;\n inPoundComment = config.enablePoundComments && c.c === \"#\";\n inComment = inSlashStarComment || inSlashSlashComment ||\n inDashDashComment || inDashDashSpaceComment || inPoundComment ||\n inSingleQuoteComment || inREMComment;\n\n if (!inComment && matchedCharPair != null) {\n // FIX 1.1 & 1.7: Correct charPair length tracking with stack-based nesting\n const pairIndex = config.charPairs.indexOf(matchedCharPair);\n charPairStack.push({\n pairArray: matchedCharPair,\n pairIndex,\n // FIX 1.1: Track the CLOSING sequence length, not (length - 1)\n lengthRemaining: matchedCharPair.length,\n });\n }\n }\n } else {\n // FIX 1.7: Decrement charPair length for innermost pair\n if (charPairStack.length > 0) {\n charPairStack[charPairStack.length - 1].lengthRemaining--;\n }\n\n const leaveString = !inEscapedString && (\n (inBacktickString && c.c === \"`\") ||\n (!inSlashStarComment && !inSlashSlashComment &&\n !inDashDashComment &&\n !inSingleQuoteComment && !inREMComment &&\n !inDashDashSpaceComment &&\n !inBracketString && c.c === stringChar && !inEscape) ||\n (inBracketString && c.c === \"]\" && n.c !== \"]\") ||\n (inSlashStarComment && c.c === \"/\" && p.c === \"*\") ||\n ((inSlashSlashComment || inSingleQuoteComment || inREMComment ||\n inDashDashComment || inDashDashSpaceComment ||\n inPoundComment) &&\n atLineEnd)\n ) ||\n // FIX 1.7: Check innermost pair's remaining length\n\n ((n.c === \"]\" || n.c === \"[\" ||\n n.c === \")\" || n.c === \";\" ||\n n.c === \"{\" || (c.c === \"-\" && n.c === \";\") ||\n (c.c === \">\" && (n.isLetter || n.c === \"{\"))) ||\n (charPairStack.length > 0 &&\n charPairStack[charPairStack.length - 1].lengthRemaining <= 0));\n\n if (\n leaveString &&\n (charPairStack.length == 0 ||\n charPairStack[charPairStack.length - 1].lengthRemaining <= 1)\n ) {\n inString = false;\n cInStr = charPairStack.length == 0;\n nInStr = false;\n isInAtSignString = false;\n inSingleQuoteComment = false;\n inBacktickString = false;\n inREMComment = false;\n inBracketString = false;\n inSlashStarComment = false;\n inSlashSlashComment = false;\n inDashDashComment = false;\n inDashDashSpaceComment = false;\n inPoundComment = false;\n inComment = false;\n // FIX 1.7: Pop innermost pair from stack\n charPairStack.pop();\n }\n }\n }\n\n // ─── Accumulate Token ───────────────────────────────────────────────────\n\n if (\n !isNStringN && (\n (config.keepAtSignWithLettersOrDigits && c.isAt &&\n n.isAtOrLetterOrDigit) ||\n (config.keepDollarSignWithLettersOrDigits && c.c === \"$\" &&\n n.isAtOrLetterOrDigit) ||\n (config.keepPoundSignWithLettersOrDigits && c.c === \"#\" &&\n n.isAtOrLetterOrDigit) ||\n (!c.isWS && (!c.isSymbol || config.includeSymbols)) ||\n inString\n )\n ) {\n if (startIdx === -1) {\n startIdx = x;\n if (isNString) {\n sbLen++;\n startIdx--;\n }\n }\n sbLen++;\n if (c.isLetter) sbHasChar = true;\n }\n\n // ─── Emit Token ─────────────────────────────────────────────────────────\n\n const checkDollarSign =\n !(config.keepDollarSignWithLettersOrDigits && c.c === \"$\" &&\n n.isAtOrLetterOrDigit);\n const checkPoundSign =\n !(config.keepPoundSignWithLettersOrDigits && c.c === \"#\" &&\n n.isAtOrLetterOrDigit);\n const check1 = !(config.keepAtSignWithLettersOrDigits && c.isAt &&\n n.isAtOrLetterOrDigit);\n const check2 = !(config.keepAtSignWithLettersOrDigits && c.isAt &&\n c.isAt === n.isQuote);\n const check3a = isNStringN || (x + 1) >= srcLen || nInStr !== cInStr;\n const check3b = !inString;\n const check3c = c.isWS !== n.isWS || c.isSymbol;\n const check3d = (c.isNumber || n.isNumber) && (c.isLetter || n.isLetter);\n\n const check3e = config.keepNumbersWithLetters\n ? !((c.isLetter && n.isLetter) ||\n (c.isNumber && n.isLetter) ||\n (c.isLetter && n.isNumber) ||\n (c.isNumber && n.isNumber) ||\n (c.isNumber && n.isDot) ||\n (c.isDot && n.isNumber))\n : (c.isLetter !== n.isLetter ||\n c.isNumber !== n.isNumber ||\n c.isLN !== n.isLN);\n const check4 = !inString && n.isDot && sbHasChar &&\n !config.keepDotWithLetters;\n const check5 = !inString && n.isSymbol && charPairStack.length === 0;\n\n if (\n checkPoundSign && checkDollarSign && check1 && check2 &&\n (check3a && (c.isLN) || (check3b && (check3c || (check3d && check3e))) ||\n check4 ||\n check5)\n ) {\n if (sbLen > 0) {\n const rangeValue = source.slice(startIdx, x + 1);\n const type: RangeType = cInComment\n ? RangeType.Comment\n : cInStr && charPairStack.length === 0\n ? RangeType.StringLiteral\n : config.keywords.has(rangeValue.toLowerCase())\n ? RangeType.Keyword\n : RangeType.Text;\n\n if (config.keepComments || type !== RangeType.Comment) {\n yield makeFileRange(\n startIdx,\n x + 1,\n lineNumber,\n cinBracketString ? RangeType.Text : type,\n source,\n );\n }\n sbLen = 0;\n sbHasChar = false;\n startIdx = -1;\n }\n }\n\n // ─── Newline Handling ───────────────────────────────────────────────────\n\n if (c.c === \"\\r\" || c.c === \"\\n\") {\n if (config.includeCRLF && !inString) {\n if (c.c === \"\\r\" && n.c === \"\\n\") {\n yield makeFileRange(\n x,\n x + 2,\n lineNumber,\n RangeType.NewLine,\n source,\n );\n // FIX 1.4: Increment x to skip '\\n', then continue to avoid double-increment\n x++;\n lineNumber++;\n p.assign(\"\\r\");\n continue; // Skip the window-advance logic at bottom\n } else {\n yield makeFileRange(x, x + 1, lineNumber, RangeType.NewLine, source);\n }\n sbLen = 0;\n sbHasChar = false;\n }\n if (inString && sbLen > 0) {\n sbLen++;\n if (c.c === \"\\r\" && n.c === \"\\n\") {\n sbLen++;\n x++;\n p.assign(\"\\r\");\n lineNumber++;\n continue; // Skip the window-advance logic at bottom\n }\n }\n lineNumber++;\n }\n\n // ─── Advance Window ─────────────────────────────────────────────────────\n\n p.assign(c.c);\n }\n}\n// ─── shrinkText ───────────────────────────────────────────────────────────────\n\nexport interface ShrinkTextConfig {\n splitConfig: SplitConfig;\n lineCommentStart: string;\n preserveLineCount: boolean;\n}\n\nconst REMOVE_SPACE_CHARS = [\n \"\\r\",\n \" \",\n \",\",\n \"[\",\n \"]\",\n \"{\",\n \"}\",\n \")\",\n \":\",\n \";\",\n \" =\",\n \"-\",\n \"+\",\n \"!\",\n \"@\",\n \"%\",\n \"^\",\n \"&\",\n \"*\",\n \"?\",\n \".\",\n \"<\",\n \">\",\n \"|\",\n \"\\t\",\n];\n\nfunction splitWordJoin(ranges: FileRange[], source: string): string {\n return ranges.map((r) => r.getValue(source)).join(\" \");\n}\n\nexport function shrinkText(txt: string, config: ShrinkTextConfig): string {\n if (!config.splitConfig.keepComments) {\n const ranges = [...splitWordRanges(txt, config.splitConfig)]\n .filter((r) => r.rangeType !== RangeType.Comment);\n txt = splitWordJoin(ranges, txt);\n }\n if (!txt || txt.length === 0) return txt ?? \"\";\n\n // FIX: fixpoint was `< len` → infinite loop when stable; corrected to `!==`\n let len = 0;\n do {\n len = txt.length;\n for (const ch of REMOVE_SPACE_CHARS) {\n txt = txt.split(` ${ch}`).join(ch).split(`${ch} `).join(ch);\n txt = txt.split(`\\t${ch}`).join(` ${ch}`).split(`${ch}\\t`).join(`${ch} `);\n }\n } while (txt.length !== len);\n\n let lines = txt.split(/\\r?\\n/);\n if (config.lineCommentStart && txt.includes(config.lineCommentStart)) {\n lines = lines.map((line) => {\n const ix = line.toLowerCase().indexOf(\n config.lineCommentStart.toLowerCase(),\n );\n return ix !== -1 && (ix === 0 || line[ix - 1] !== \":\")\n ? line.slice(0, ix)\n : line;\n });\n }\n\n if (config.preserveLineCount) {\n // FIX: preserveLineCount must rejoin with \\r\\n but textarea renders \\r\\n as\n // literal chars on some browsers — normalize to \\n for HTML embedding\n return lines.join(\"\\n\");\n }\n\n lines = lines.filter((l) => l.trim().length > 0);\n const parts: string[] = [];\n let lastLine: string | null = null;\n for (const line of lines) {\n if (lastLine != null && /[;}{()]$/.test(lastLine)) parts.push(line);\n else parts.push(\" \" + line);\n lastLine = line;\n }\n txt = parts.join(\"\");\n\n // FIX: same fixpoint bug — was `< len2`\n let len2 = 0;\n do {\n len2 = txt.length;\n txt = txt.replace(/[\\r\\n]\\(/g, \"(\");\n } while (txt.length !== len2);\n\n return txt;\n}\n\nexport default async function View(c: Request): Promise {\n let i = c.url;\n\n const str = splitWordRanges + \"\" + scg.utf8Decode;\n const ranges: Generator = splitWordRanges(\n str,\n ConfigTypeScript,\n );\n const fr: string[] = [];\n for (const x of ranges) {\n fr.push(\n `${x.rangeType.toString().padStart(10, \"_\")} ${x.getValue(str)}`,\n );\n }\n\n return new Response(\n `${fr.join(\"
\")}`,\n { status: 200, headers: { \"Content-Type\": \"text/html\" } },\n );\n}",[181],"a42c180e-45cb-11f1-866e-42b51c65c3df","hub3.tsx","6516ec56-ff36-11f0-94d6-42dde27851f2",344,["D",1777687635987],5,"/** @jsxImportSource npm:hono@3/jsx */\nimport { Hono } from \"npm:hono@3\";\nimport { sqlite } from \"https://esm.town/v/std/sqlite\";\nimport { OpenAI } from \"https://esm.town/v/std/openai\";\n\nconst app = new Hono();\nconst openai = new OpenAI();\n\n// ---------------------------------------------------------\n// 1. HIVE MEMORY & DATA STRUCTURES\n// ---------------------------------------------------------\n\n// --- Project State ---\nawait sqlite.execute(`\n CREATE TABLE IF NOT EXISTS projects (\n id INTEGER PRIMARY KEY,\n ambition TEXT,\n codebase TEXT, -- The main codebase file (will grow over time)\n status TEXT DEFAULT 'bootstrapping'\n )\n`);\n\n// --- Task Queue ---\nawait sqlite.execute(`\n CREATE TABLE IF NOT EXISTS task_queue (\n id INTEGER PRIMARY KEY,\n description TEXT,\n role TEXT, -- e.g., 'planner', 'coder', 'critic'\n status TEXT DEFAULT 'pending', -- pending, assigned, completed\n assigned_to TEXT,\n result TEXT\n )\n`);\n\n// --- Swarm Workers ---\nawait sqlite.execute(`\n CREATE TABLE IF NOT EXISTS swarm_workers (\n id TEXT PRIMARY KEY,\n name TEXT,\n last_seen DATETIME,\n status TEXT DEFAULT 'idle'\n )\n`);\n\n// ---------------------------------------------------------\n// 2. BOOTSTRAPPING DRONE CODE (THE SELF-BUILDING WORKER)\n// ---------------------------------------------------------\n\nconst GET_DRONE_CODE = (hubUrl: string) => `\nimport { fetch } from \"https://esm.town/v/std/fetch\";\n\nconst HUB_URL = \"${hubUrl}\";\nconst API_TOKEN = Deno.env.get(\"APITOKEN\"); \nconst MY_ID = crypto.randomUUID().split('-')[0];\n\nconst sleep = (ms) => new Promise(r => setTimeout(r, ms));\n\n// --- The Core Drone Logic ---\nexport default async function(interval) {\n const startTime = Date.now();\n \n while (true) {\n if (Date.now() - startTime > 50000) break;\n\n try {\n // 1. Request task from Hub\n const res = await fetch(HUB_URL + \"/api/task/poll\", {\n method: \"POST\",\n headers: { \"Authorization\": \"Bearer \" + API_TOKEN, \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ id: MY_ID, name: \"Drone-\" + MY_ID })\n });\n const data = await res.json();\n\n // 2. Execute Task (Hub proxy for AI work)\n if (data.status === \"ASSIGNED\" && data.task) {\n console.log(\"Task assigned: \" + data.task.description);\n // We simulate work by having the drone trigger a \"complete\" call\n // The Hub (AI) will perform the actual code generation.\n \n const completeRes = await fetch(HUB_URL + \"/api/task/complete\", {\n method: \"POST\",\n headers: { \"Authorization\": \"Bearer \" + API_TOKEN, \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ id: MY_ID, taskId: data.task.id })\n });\n console.log(\"Task submitted for review: \" + completeRes.status);\n } else {\n console.log(\"Idle. Waiting for tasks...\");\n await sleep(5000);\n }\n } catch (e) {\n console.error(\"Hub communication error:\", e.message);\n await sleep(10000);\n }\n }\n}\n`;\n\n// ---------------------------------------------------------\n// 3. API ROUTES (THE FACTORY FLOOR)\n// ---------------------------------------------------------\n\n// --- SWARM MANAGEMENT ---\n\napp.post(\"/api/swarm/spawn\", async (c) => {\n const token = Deno.env.get(\"APITOKEN\");\n const hubUrl = c.req.url.replace(\"/api/swarm/spawn\", \"\");\n const newName = `worker_${Date.now()}`;\n\n await fetch(\"https://api.val.town/v1/vals\", {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${token}`,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({\n name: newName,\n code: GET_DRONE_CODE(hubUrl),\n privacy: \"public\",\n type: \"interval\",\n interval: \"1m\",\n }),\n });\n return c.json({ ok: true, message: `Worker ${newName} created.` });\n});\n\napp.post(\"/api/task/poll\", async (c) => {\n const { id, name } = await c.req.json();\n const now = new Date().toISOString();\n\n // 1. Register Worker or Update Status\n await sqlite.execute({\n sql:\n `INSERT INTO swarm_workers (id, name, last_seen, status) VALUES (?, ?, ?, 'idle') \n ON CONFLICT(id) DO UPDATE SET last_seen = ?, name = ?`,\n args: [id, name, now, now, name],\n });\n\n // 2. Find Pending Task\n const taskRes = await sqlite.execute(\n `SELECT * FROM task_queue WHERE status = 'pending' LIMIT 1`,\n );\n if (taskRes.rows.length === 0) {\n return c.json({ status: \"IDLE\" });\n }\n\n const task = taskRes.rows[0];\n\n // 3. Assign Task\n await sqlite.execute({\n sql:\n `UPDATE task_queue SET status = 'assigned', assigned_to = ? WHERE id = ?`,\n args: [id, task.id],\n });\n await sqlite.execute({\n sql: `UPDATE swarm_workers SET status = 'working' WHERE id = ?`,\n args: [id],\n });\n\n return c.json({ status: \"ASSIGNED\", task: task });\n});\n\n// --- CODE FACTORY LOGIC ---\n\napp.post(\"/api/task/complete\", async (c) => {\n const { id, taskId } = await c.req.json();\n\n // 1. Get Task details\n const taskRes = await sqlite.execute({\n sql: \"SELECT * FROM task_queue WHERE id = ?\",\n args: [taskId],\n });\n const task = taskRes.rows[0];\n const currentProjectRes = await sqlite.execute(\n \"SELECT * FROM projects LIMIT 1\",\n );\n const project = currentProjectRes.rows[0];\n\n // 2. AI Code Generation (The Core Factory logic)\n // We use function calling to ensure structured output.\n const completion = await openai.chat.completions.create({\n model: \"gpt-3.5-turbo\",\n messages: [\n {\n role: \"system\",\n content:\n `You are an expert ${task.role}. The current project codebase is:\\n${project.codebase}\\n\\nYour task is: ${task.description}. Provide the updated full file content.`,\n },\n { role: \"user\", content: `Complete the task: ${task.description}` },\n ],\n // Function calling to ensure structured output (e.g., provide code in 'file_update' function)\n functions: [\n {\n name: \"file_update\",\n description:\n \"Update the main codebase with the new code from the task.\",\n parameters: {\n type: \"object\",\n properties: { code: { type: \"string\" } },\n required: [\"code\"],\n },\n },\n ],\n });\n\n // 3. Process result and update codebase\n const code = completion.choices[0].message.function_call?.arguments;\n let newCode = code\n ? JSON.parse(code).code\n : `// Error: AI failed to parse task: ${task.description}`;\n\n // 4. Update project state\n await sqlite.execute({\n sql: `UPDATE projects SET codebase = ? WHERE id = ?`,\n args: [newCode, project.id],\n });\n\n // 5. Update task status and worker status\n await sqlite.execute({\n sql: `UPDATE task_queue SET status = 'completed' WHERE id = ?`,\n args: [taskId],\n });\n await sqlite.execute({\n sql: `UPDATE swarm_workers SET status = 'idle' WHERE id = ?`,\n args: [id],\n });\n\n return c.json({ ok: true });\n});\n\n// --- BOOTSTRAPPING LOGIC (Self-Building) ---\n\napp.post(\"/api/project/create\", async (c) => {\n const { ambition } = await c.req.json();\n\n // 1. Reset everything for a new project\n await sqlite.execute(\"DELETE FROM projects\");\n await sqlite.execute(\"DELETE FROM task_queue\");\n\n // 2. Create initial project state with empty codebase\n await sqlite.execute({\n sql:\n `INSERT INTO projects (ambition, codebase, status) VALUES (?, '', 'planning')`,\n args: [ambition],\n });\n\n // 3. Bootstrapping tasks (The factory builds itself first)\n // The first task is to create the \"planner\" logic. The second task is to then execute the planner logic.\n await sqlite.execute({\n sql: `INSERT INTO task_queue (description, role) VALUES (?, ?)`,\n args: [\n \"Design the API for a basic project, including endpoints for data input and retrieval.\",\n \"planner\",\n ],\n });\n await sqlite.execute({\n sql: `INSERT INTO task_queue (description, role) VALUES (?, ?)`,\n args: [\n \"Create the database schema (SQLite) based on the project design.\",\n \"coder\",\n ],\n });\n await sqlite.execute({\n sql: `INSERT INTO task_queue (description, role) VALUES (?, ?)`,\n args: [\n \"Implement the server-side logic for data input using the designed API.\",\n \"coder\",\n ],\n });\n\n return c.json({\n success: true,\n message: \"Project created. Swarm is now self-bootstrapping tasks.\",\n });\n});\n\n// ---------------------------------------------------------\n// 4. UI (THE MINIMALIST COMMAND CENTER)\n// ---------------------------------------------------------\n\nconst Layout = ({ children }) => (\n \n \n Code Factory\n \n \n \n \n \n \n {children}\n \n \n);",[189],"2c8bbde2-465a-11f1-af30-42b51c65c3df","deployer2.tsx","874dd9c8-ff2d-11f0-994f-42dde27851f2",351,["D",1777748853329],4,"/** @jsxImportSource npm:hono@3/jsx */\nimport { Hono } from \"npm:hono@3\";\nimport { sqlite } from \"https://esm.town/v/std/sqlite\";\n\nconst app = new Hono();\n\n// ---------------------------------------------------------\n// 1. CONFIGURATION & DATABASE INIT\n// ---------------------------------------------------------\n\nawait sqlite.execute(`\n CREATE TABLE IF NOT EXISTS swarm_nodes (\n id TEXT PRIMARY KEY,\n name TEXT,\n last_seen DATETIME,\n status TEXT,\n logs TEXT\n )\n`);\n\n// ---------------------------------------------------------\n// 2. THE DRONE CODE\n// ---------------------------------------------------------\n// Implements the specific backoff logic requested\n\nconst GET_NODE_CODE = (hubUrl: string) => `\nimport { fetch } from \"https://esm.town/v/std/fetch\";\n\nconst HUB_URL = \"${hubUrl}\";\nconst API_TOKEN = Deno.env.get(\"APITOKEN\"); \nconst MY_ID = crypto.randomUUID().split('-')[0];\n\nfunction getWaitTime(failureCount) {\n // 1. Error -> 30s\n if (failureCount === 1) return 30000;\n // 2. Still limited -> 20s\n if (failureCount === 2) return 20000;\n // 3. Waiting -> 10 more seconds\n if (failureCount === 3) return 10000;\n // 4. Then 5 seconds\n if (failureCount === 4) return 5000;\n // 5. Then 2.5 seconds 10 times (failureCount 5 to 14)\n if (failureCount >= 5 && failureCount < 15) return 2500;\n // 6. Then 5 seconds (failureCount 15)\n if (failureCount === 15) return 5000;\n // 7. Then 10 seconds indefinitely\n return 10000;\n}\n\nconst sleep = (ms) => new Promise(r => setTimeout(r, ms));\n\nexport default async function(interval) {\n console.log(\"Drone \" + MY_ID + \" active.\");\n \n let failureStreak = 0;\n const startTime = Date.now();\n \n // Run for ~50 seconds to respect Val Town timeouts but maintain persistence\n while (true) {\n if (Date.now() - startTime > 50000) break; \n\n try {\n const res = await fetch(HUB_URL + \"/api/heartbeat\", {\n method: \"POST\",\n headers: { \n \"Authorization\": \"Bearer \" + API_TOKEN,\n \"Content-Type\": \"application/json\"\n },\n body: JSON.stringify({\n id: MY_ID,\n name: \"Drone-\" + MY_ID,\n status: \"ACTIVE\"\n })\n });\n\n if (res.status === 429 || res.statusText === \"Too Many Requests\") {\n throw new Error(\"RATE_LIMIT\");\n }\n \n if (!res.ok) throw new Error(\"HTTP_\" + res.status);\n\n // Success - Reset\n failureStreak = 0;\n await sleep(10000); // Standard 10s broadcast interval\n\n } catch (err) {\n const isRateLimit = err.message === \"RATE_LIMIT\" || err.message.includes(\"429\");\n \n if (isRateLimit) {\n failureStreak++;\n const waitMs = getWaitTime(failureStreak);\n console.log(\\`Rate Limit (Streak \\${failureStreak}). Waiting \\${waitMs}ms\\`);\n await sleep(waitMs);\n } else {\n console.error(\"Connection Error:\", err.message);\n await sleep(5000);\n }\n }\n }\n}\n`;\n\n// ---------------------------------------------------------\n// 3. API ROUTES\n// ---------------------------------------------------------\n\napp.post(\"/api/heartbeat\", async (c) => {\n const token = c.req.header(\"Authorization\")?.replace(\"Bearer \", \"\");\n if (token !== Deno.env.get(\"APITOKEN\")) return c.json({ error: \"Unauthorized\" }, 401);\n\n const { id, name, status } = await c.req.json();\n const now = new Date().toISOString();\n\n await sqlite.execute({\n sql: `INSERT INTO swarm_nodes (id, name, last_seen, status, logs) \n VALUES (?, ?, ?, ?, ?) \n ON CONFLICT(id) DO UPDATE SET last_seen = ?, status = ?`,\n args: [id, name, now, status, \"Heartbeat OK\", now, status]\n });\n\n return c.json({ received: true });\n});\n\napp.get(\"/api/swarm\", async (c) => {\n const result = await sqlite.execute(\"SELECT * FROM swarm_nodes ORDER BY last_seen DESC\");\n return c.json(result.rows.map(r => ({\n id: r.id, name: r.name, lastSeen: r.last_seen, status: r.status, logs: r.logs\n })));\n});\n\napp.post(\"/api/spawn\", async (c) => {\n const token = Deno.env.get(\"APITOKEN\");\n if (!token) return c.json({ error: \"APITOKEN env var missing\" }, 500);\n\n const hubUrl = c.req.url.replace(\"/api/spawn\", \"\");\n const newName = `drone_${Date.now()}`;\n\n try {\n const code = GET_NODE_CODE(hubUrl);\n \n // Create new Val via API\n const res = await fetch(\"https://api.val.town/v1/vals\", {\n method: \"POST\",\n headers: { \n \"Authorization\": `Bearer ${token}`,\n \"Content-Type\": \"application/json\"\n },\n body: JSON.stringify({ \n name: newName, \n code: code, \n privacy: \"public\",\n type: \"interval\", \n interval: \"1m\"\n })\n });\n\n if (!res.ok) throw new Error(await res.text());\n \n return c.json({ success: true, message: `Spawned ${newName}` });\n } catch (e) {\n return c.json({ error: e.message }, 500);\n }\n});\n\napp.post(\"/api/flush\", async (c) => {\n await sqlite.execute(\"DELETE FROM swarm_nodes\");\n return c.json({ ok: true });\n});\n\n// ---------------------------------------------------------\n// 4. UI\n// ---------------------------------------------------------\n\nconst Layout = ({ children }) => (\n \n \n Swarm Nexus\n \n \n \n \n \n {children}\n \n \n);\n\napp.get(\"/\", (c) => {\n return c.html(\n \n

this.refresh(), 5000);\n },\n\n async refresh() {\n const res = await fetch('/api/swarm');\n this.nodes = await res.json();\n this.nodes.forEach(n => {\n const diff = new Date() - new Date(n.lastSeen);\n n.active = diff < 20000; \n });\n },\n\n async spawn() {\n this.status = 'INITIALIZING DEPLOYMENT...';\n this.loading = true;\n try {\n const res = await fetch('/api/spawn', {\n method: 'POST',\n headers: {'Content-Type': 'application/json'},\n body: JSON.stringify({ count: 1 })\n });\n const data = await res.json();\n if(data.error) throw new Error(data.error);\n this.status = 'DEPLOYMENT SUCCESSFUL: ' + data.message;\n } catch(e) {\n this.status = 'DEPLOYMENT FAILED: ' + e.message;\n }\n this.loading = false;\n this.refresh();\n },\n \n async flush() {\n if(confirm('Clear all node data?')) {\n await fetch('/api/flush', { method: 'POST' });\n this.refresh();\n }\n }\n }`}\n >\n {/* HEADER */}\n

SWARM::NEXUS

\n TOKEN: \n

n.active).length\">

ACTIVE DRONES

\n\n {/* CONTROLS */}\n

\n \n\n \n\n

\n\n {/* NODE GRID */}\n

\n \n \n\n

\n \n );\n});\n\nexport default app.fetch;",[197],"47d46078-ff2d-11f0-9ea3-42dde27851f2","deployer.ts","2724e06e-ff2d-11f0-8608-42dde27851f2",183,["D",1769923039206],"/** @jsxImportSource npm:hono@3/jsx */\nimport { Hono } from \"npm:hono@3\";\nimport { OpenAI } from \"https://esm.town/v/std/openai\";\n\nconst app = new Hono();\nconst openai = new OpenAI();\n\n// ---------------------------------------------------------\n// 1. SERVER SIDE LOGIC (The Brain)\n// ---------------------------------------------------------\n\n// Helper: Sort name##ID##\nconst sortVals = (vals: any[]) => {\n return vals.sort((a, b) => {\n const regex = /^(.*)##(\\d+)##/;\n const matchA = a.name.match(regex);\n const matchB = b.name.match(regex);\n if (!matchA && !matchB) return a.name.localeCompare(b.name);\n if (!matchA) return 1;\n if (!matchB) return -1;\n if (matchA[1] !== matchB[1]) return matchA[1].localeCompare(matchB[1]);\n return parseInt(matchA[2]) - parseInt(matchB[2]);\n });\n};\n\nasync function fetchVals(token: string, prefix: string) {\n const meRes = await fetch(\"https://api.val.town/v1/me\", { headers: { Authorization: `Bearer ${token}` } });\n const me = await meRes.json();\n \n // Fetch vals (simplified for brevity, usually needs pagination)\n const res = await fetch(`https://api.val.town/v1/users/${me.id}/vals?limit=100`, {\n headers: { Authorization: `Bearer ${token}` },\n });\n const data = await res.json();\n \n const regex = new RegExp(`^${prefix || '.*'}##(\\\\d+)##`);\n return sortVals(data.data.filter(v => v.name.match(regex)));\n}\n\n// ---------------------------------------------------------\n// 2. THE ADVANCED UI (SimCity Style Dashboard)\n// ---------------------------------------------------------\n\nconst Layout = ({ children }) => (\n \n \n Swarm Command\n \n \n \n \n \n {children}\n \n \n);\n\n// ---------------------------------------------------------\n// 3. API ROUTES\n// ---------------------------------------------------------\n\napp.get(\"/api/vals\", async (c) => {\n const token = Deno.env.get(\"VAL_TOWN_API_KEY\");\n const prefix = c.req.query(\"prefix\") || \"\";\n try {\n const vals = await fetchVals(token, prefix);\n return c.json(vals.map(v => ({ \n id: v.id, \n name: v.name, \n version: v.version,\n status: 'idle', // idle, running, evolving\n logs: 'Ready.'\n })));\n } catch (e) { return c.json({ error: e.message }, 500); }\n});\n\napp.post(\"/api/spawn\", async (c) => {\n const token = Deno.env.get(\"VAL_TOWN_API_KEY\");\n const { prefix } = await c.req.json();\n \n // Find max ID\n const currentVals = await fetchVals(token, prefix);\n let maxId = 0;\n const regex = new RegExp(`^${prefix}##(\\\\d+)##`);\n currentVals.forEach(v => {\n const match = v.name.match(regex);\n if(match) maxId = Math.max(maxId, parseInt(match[1]));\n });\n\n const newName = `${prefix}##${maxId + 1}##`;\n const defaultCode = `export default async function(req) { console.log(\"I am alive\"); return Response.json({ status: \"alive\" }); }`;\n\n await fetch(\"https://api.val.town/v1/vals\", {\n method: \"POST\",\n headers: { Authorization: `Bearer ${token}`, \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ name: newName, code: defaultCode, privacy: \"public\" })\n });\n\n return c.json({ success: true, name: newName });\n});\n\napp.post(\"/api/evolve\", async (c) => {\n const token = Deno.env.get(\"VAL_TOWN_API_KEY\");\n const { id, directive } = await c.req.json();\n\n // 1. Get Code\n const valRes = await fetch(`https://api.val.town/v1/vals/${id}`, { headers: { Authorization: `Bearer ${token}` }});\n const valData = await valRes.json();\n \n // 2. AI Mutation\n const completion = await openai.chat.completions.create({\n messages: [\n { role: \"system\", content: \"You are an AI coding swarm controller. You output ONLY raw TypeScript code for a Val Town HTTP val. No markdown, no explanations.\" },\n { role: \"user\", content: `Current Code:\\n${valData.code}\\n\\nDirective: ${directive}\\n\\nOutput the new full code:` }\n ],\n model: \"gpt-3.5-turbo\",\n });\n \n const newCode = completion.choices[0].message.content.replace(/```typescript|```/g, \"\").trim();\n\n // 3. Save\n await fetch(`https://api.val.town/v1/vals/${id}/versions`, {\n method: \"POST\",\n headers: { Authorization: `Bearer ${token}`, \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ code: newCode })\n });\n\n return c.json({ success: true, codeSnippet: newCode.substring(0, 50) + \"...\" });\n});\n\napp.get(\"/\", (c) => {\n return c.html(\n \n {/* ALPINE APP ROOT */}\n

this.tick(), 2000);\n },\n\n log(source, msg) {\n this.logs.unshift({ time: new Date().toLocaleTimeString(), source, msg });\n if(this.logs.length > 50) this.logs.pop();\n }\n }`}\n {...{ \"x-init\": \"load()\" }}\n >\n \n {/* TOP BAR */}\n

VAL::SWARM

\n \n

\n CLUSTER:\n \n \n

\n\n

\n AI DIRECTIVE:\n \n

\n\n

\n \n \n

\n\n {/* MAIN AREA */}\n

\n \n {/* GRID VIEW (SimCity Style) */}\n

\n \n \n\n

\n \n {/* --- ADVANCED TEMPLATE FOR AGENT CARD --- */}\n \n {/* -------------------------------------- */}\n\n

\n\n {/* RIGHT SIDEBAR: LOGS */}\n

SYSTEM LOGS

\n \n

\n\n

\n \n );\n});\n\nexport default app.fetch;",[205],"e9821f1c-4665-11f1-974a-42b51c65c3df","demo6.ts","004f12bc-fe37-11f0-a8ef-42dde27851f2",405,["D",1777753894793],17,"//SourceUtilities\n\n//demo5\n// Learn more: https://docs.val.town/vals/http\n// --- Server-Side Imports ---\nimport {\n CodeUtilities,\n CodeValidator,\n Definition,\n EnhancedDefinition,\n SourceInspector,\n} from \"./CodeUtilities.ts\";\nimport { Enumerable, List } from \"./System.Collections.Generic.ts\";\n\n// --- Sample Code Input ---\nconst sampleCodeInput = `# Example Project Documentation\n\nThis document contains several code blocks to demonstrate different analysis capabilities.\n\n## Code Block 1: Valid TypeScript/JavaScript Class\n\n\\`\\`\\`typescript\n/** Represents a user profile */\nclass UserProfile {\n // A private field (variable) with an initializer\n private name: string = \"defaultName\";\n\n // A getter method for a property\n get details() {\n if (this.name) {\n return \\`Name: \\${this.name}\\`;\n } else {\n return \"No name set\";\n }\n }\n\n // A constructor with parameters\n public constructor(name: string, age: number = 25) {\n this.name = name;\n this.age = age;\n if (age < 18) {\n console.warn(\"User is minor.\");\n }\n }\n\n // An async method with logic complexity\n public async loadData(userId: number, force: boolean) {\n if (force || userId === 0) {\n await this.fetchFromAPI(userId);\n } else if (userId > 100) {\n return;\n }\n }\n\n private fetchFromAPI(id: number) {\n // ... implementation ...\n }\n}\n\n// Global variable definitions\nconst PI = 3.14159;\n\n// Standard function declaration\nfunction calculateAverage(a, b) {\n let sum = a + b;\n return sum / 2;\n}\n\n// Unclosed Block Example (triggers validation error)\n// The parser will attempt to analyze this but note the error.\n\\`\\`\\`javascript\nfunction unclosedFunction() {\n console.log(\"Error here\");\n`;\n\n/** Runs the analysis and organizes all results into a single object for rendering. */\nfunction runAnalysis(inputText: string): any {\n const report = {\n validationStatus: CodeValidator.Analyze(inputText),\n codeSegments: null,\n definitions: null,\n };\n\n // 1. Get code segments (prose and code blocks) from markdown parsing.\n report.codeSegments = new List(report.validationStatus.Segments);\n\n // 2. Extract JS code blocks for inspection.\n const jsCodeBlocks = report.codeSegments\n .Where((s) =>\n s.Type === \"code\" &&\n (s.Lang === \"js\" || s.Lang === \"javascript\" || s.Lang === \"ts\" ||\n s.Lang === \"typescript\")\n )\n .Select((s) => s.Value)\n .ToArray()\n .join(\"\\n\");\n\n // 3. Perform deep inspection if JS code exists.\n if (jsCodeBlocks.length > 0) {\n // The SourceInspector logic has been significantly improved for this.\n report.definitions = SourceInspector.AnalyzeCode(jsCodeBlocks, \"demo.js\");\n }\n\n return report;\n}\n\n// --- HTML Rendering Logic (Server-Side) ---\n\n/** Generates a detailed report based on the analysis results. */\nfunction generateReportHtml(analysisReport: any) {\n const { validationStatus, codeSegments, definitions } = analysisReport;\n\n let html = \"\";\n\n // 1. Validation Status Section\n html += '

';\n html += \"

Validation Status:

\";\n if (validationStatus.IsSafe) {\n html += '

PASS

';\n html += \"

The document structure and code block syntax are valid.

\";\n } else {\n html += '

FAIL

';\n html +=\n `

Error Found: ${validationStatus.Error.Type} on line ${validationStatus.Error.Line}.`;\n }\n html += \"

\";\n\n // 2. Definitions Summary Table\n if (definitions && definitions.length > 0) {\n html += '

';\n html += \"

Detected Definitions Summary

\";\n html += renderDefinitionHierarchy(new List(definitions));\n html += \"

\";\n } else {\n html +=\n '

No definitions found for inspection.

';\n }\n\n // 3. Code Segment Breakdown (for ()context)\n html += '

';\n html += \"

Document Segment Breakdown

\";\n for (const segment of codeSegments) {\n const langInfo = segment.Lang ? `(${segment.Lang})` : \"(Prose)\";\n html +=\n `

Type: ${segment.Type} ${langInfo}`;\n html += `

${escapeHtml(segment.Value)}

`;\n }\n html += \"

\";\n\n return html;\n}\n\n/** Recursively renders the definition hierarchy into nested lists for better visualization. */\nfunction renderDefinitionHierarchy(\n definitions: List,\n level: number = 0,\n): string {\n let html = `

`;\n html +=\n `${modifiers} ${def.Name} (${def.Kind}`;\n if (def.Kind !== \"variable\") {\n html += `(${parameters}))`;\n } else {\n html += `)`;\n }\n html +=\n `
Metrics: Complexity=${complexity}, Lines=${lineCount}
`;\n\n if (def.children.Any()) {\n html += renderDefinitionHierarchy(new List(def.children), level + 1);\n }\n html += `

`;\n return html;\n}\n\n/** Escapes HTML special characters in the text. */\nfunction escapeHtml(text: string): string {\n return text.replace(/&/g, \"&\")\n .replace(//g, \">\")\n .replace(/\"/g, \""\")\n .replace(/'/g, \"'\");\n}\n\n/** Generates the complete HTML page structure with input and results. */\nfunction createPageHtml(content: string, output: string) {\n return `\n\n\n \n \n CodeSense Analyzer Demo (Complex SSR)\n \n\n\n\n

Code Validator & Inspector Demo

\n\n

\n Input Text (Markdown or Code)\n \n

\n Analysis Output\n

${output}

\n\n\n`;\n}\n\n// --- Val Town HTTP Handler ---\n\n/** Main entry point for the HTTP handler. */\nexport default async function (req: Request): Promise {\n let inputText = sampleCodeInput;\n let analysisOutputHtml = \"\";\n\n // If a POST request (form submission), run analysis on the data.\n if (req.method === \"POST\") {\n try {\n const formData = await req.formData();\n inputText = formData.get(\"code\")?.toString() || \"\";\n } catch (error) {\n analysisOutputHtml =\n `

Error processing request: ${error.message}

`;\n }\n }\n\n // Run analysis and generate report for the current input text.\n const analysisReportData = runAnalysis(inputText);\n analysisOutputHtml = generateReportHtml(analysisReportData);\n\n // Generate HTML response with form and analysis results.\n const htmlBody = createPageHtml(inputText, analysisOutputHtml);\n return new Response(htmlBody, { headers: { \"Content-Type\": \"text/html\" } });\n}",[212],"d48839f6-4661-11f1-bf1a-42b51c65c3df","demo5.ts","064cc67c-fe1a-11f0-9ac9-42dde27851f2",386,["D",1777752141637],16,"// Learn more: https://docs.val.town/vals/http\n// --- Server-Side Imports ---\nimport {\n CodeUtilities,\n CodeValidator,\n Definition,\n EnhancedDefinition,\n SourceInspector,\n} from \"./CodeUtilities.ts\";\nimport { Enumerable, List } from \"./System.Collections.Generic.ts\";\n\n// --- Sample Code Input ---\nconst sampleCodeInput = `# Example Project Documentation\n\nThis document contains several code blocks to demonstrate different analysis capabilities.\n\n## Code Block 1: Valid TypeScript/JavaScript Class\n\n\\`\\`\\`typescript\n/** Represents a user profile */\nclass UserProfile {\n // A private field (variable) with an initializer\n private name: string = \"defaultName\";\n\n // A getter method for a property\n get details() {\n if (this.name) {\n return \\`Name: \\${this.name}\\`;\n } else {\n return \"No name set\";\n }\n }\n\n // A constructor with parameters\n public constructor(name: string, age: number = 25) {\n this.name = name;\n this.age = age;\n if (age < 18) {\n console.warn(\"User is minor.\");\n }\n }\n\n // An async method with logic complexity\n public async loadData(userId: number, force: boolean) {\n if (force || userId === 0) {\n await this.fetchFromAPI(userId);\n } else if (userId > 100) {\n return;\n }\n }\n\n private fetchFromAPI(id: number) {\n // ... implementation ...\n }\n}\n\n// Global variable definitions\nconst PI = 3.14159;\n\n// Standard function declaration\nfunction calculateAverage(a, b) {\n let sum = a + b;\n return sum / 2;\n}\n\n// Unclosed Block Example (triggers validation error)\n// The parser will attempt to analyze this but note the error.\n\\`\\`\\`javascript\nfunction unclosedFunction() {\n console.log(\"Error here\");\n`;\n\n/** Runs the analysis and organizes all results into a single object for rendering. */\nfunction runAnalysis(inputText: string): any {\n const report = {\n validationStatus: CodeValidator.Analyze(inputText),\n codeSegments: null,\n definitions: null,\n };\n\n // 1. Get code segments (prose and code blocks) from markdown parsing.\n report.codeSegments = report.validationStatus.Segments.ToList();\n\n // 2. Extract JS code blocks for inspection.\n const jsCodeBlocks = report.codeSegments\n .Where((s) =>\n s.Type === \"code\" &&\n (s.Lang === \"js\" || s.Lang === \"javascript\" || s.Lang === \"ts\" ||\n s.Lang === \"typescript\")\n )\n .Select((s) => s.Value)\n .ToArray()\n .join(\"\\n\");\n\n // 3. Perform deep inspection if JS code exists.\n if (jsCodeBlocks.length > 0) {\n // The SourceInspector logic has been significantly improved for this.\n // report.definitions = SourceInspector.AnalyzeCode(jsCodeBlocks, \"demo.js\")\n // .ToArray();\n }\n\n return report;\n}\n\n// --- HTML Rendering Logic (Server-Side) ---\n\n/** Generates a detailed report based on the analysis results. */\nfunction generateReportHtml(analysisReport: any) {\n const { validationStatus, codeSegments, definitions } = analysisReport;\n\n let html = \"\";\n\n // 1. Validation Status Section\n html += '

';\n html += \"

Validation Status:

\";\n if (validationStatus.IsSafe) {\n html += '

PASS

';\n html += \"

The document structure and code block syntax are valid.

\";\n } else {\n html += '

FAIL

';\n html +=\n `

Error Found: ${validationStatus.Error.Type} on line ${validationStatus.Error.Line}.`;\n }\n html += \"

\";\n\n // 2. Definitions Summary Table\n if (definitions && definitions.length > 0) {\n html += '

';\n html += \"

Detected Definitions Summary

\";\n html += renderDefinitionHierarchy(new List(definitions));\n html += \"

\";\n } else {\n html +=\n '

No definitions found for inspection.

';\n }\n\n // 3. Code Segment Breakdown (for ()context)\n html += '

';\n html += \"

Document Segment Breakdown

\";\n for (const segment of codeSegments) {\n const langInfo = segment.Lang ? `(${segment.Lang})` : \"(Prose)\";\n html +=\n `

Type: ${segment.Type} ${langInfo}`;\n html += `

${escapeHtml(segment.Value)}

`;\n }\n html += \"

`;\n html +=\n `${modifiers} ${def.Name} (${def.Kind}`;\n if (def.Kind !== \"variable\") {\n html += `(${parameters}))`;\n } else {\n html += `)`;\n }\n html +=\n `
Metrics: Complexity=${complexity}, Lines=${lineCount}
`;\n\n if (def.children.Count > 0) {\n html += renderDefinitionHierarchy(def.children, level + 1);\n }\n html += `

Code Validator & Inspector Demo

\n\n

\n Input Text (Markdown or Code)\n \n

\n Analysis Output\n

${output}

Error processing request: ${error.message}

`;\n }\n }\n\n // Run analysis and generate report for the current input text.\n const analysisReportData = runAnalysis(inputText);\n analysisOutputHtml = generateReportHtml(analysisReportData);\n\n // Generate HTML response with form and analysis results.\n const htmlBody = createPageHtml(inputText, analysisOutputHtml);\n return new Response(htmlBody, { headers: { \"Content-Type\": \"text/html\" } });\n}",[220],"53a9ce96-fe16-11f0-915a-42dde27851f2","demo4.ts","3f95d88c-fe16-11f0-9c15-42dde27851f2",77,["D",1769803229471],"// Learn more: https://docs.val.town/vals/http/\n\n// --- Server-Side Imports ---\n// These imports will work on Val Town.\n// The code in these modules runs on the server when the val executes.\nimport { CodeValidator, SourceInspector, CodeUtilities } from \"https://esm.town/v/ziggyware/CodeUtilities/CodeUtilities.ts\";\nimport { List, Enumerable } from \"https://esm.town/v/ziggyware/CodeUtilities/System.Collections.Generic.ts\";\n\n// --- Sample Code Input ---\n// This sample code will test the parser's ability to handle classes, functions, variables, and errors.\nconst sampleCodeInput = `# Example Project Documentation\n\nThis document contains several code blocks to demonstrate different analysis capabilities.\n\n## Code Block 1: Valid TypeScript/JavaScript Class\n\n\\`\\`\\`typescript\n/** Represents a user profile */\nclass UserProfile {\n // A private field (variable)\n private name: string;\n public age: number = 25;\n\n constructor(name: string) {\n this.name = name;\n }\n\n // A getter method for a property\n get details() {\n return \\`\\${this.name} (\\${this.age})\\`;\n }\n\n // An async method\n public async loadData() {\n // ... implementation ...\n }\n}\n\n// Global variable definitions\nconst PI = 3.14159;\nlet message = \"Hello, world\";\n\n// Standard function declaration\nfunction calculateAverage(a, b) {\n return (a + b) / 2;\n}\n\\`\\`\\`\n\n## Code Block 2: Python Example (Non-JS Code)\n\n\\`\\`\\`python\ndef main():\n print(\"This is Python code.\")\n\\`\\`\\`\n\n## Code Block 3: Unclosed Block Example\n\n\\`\\`\\`javascript\n// This block is missing its closing backticks, triggering a validation error.\nfunction unclosedFunction() {\n console.log(\"Error here\");\n`;\n\n// --- Analysis Logic (Server-Side) ---\n\n/** Runs the analysis and organizes all results into a single object for rendering. */\nfunction runAnalysis(inputText: string): any {\n const report = {\n validationStatus: CodeValidator.Analyze(inputText),\n codeSegments: null,\n definitions: null\n };\n\n // 1. Get code segments (prose and code blocks) from markdown parsing.\n report.codeSegments = report.validationStatus.Segments.ToList();\n\n // 2. Extract JS code blocks for inspection.\n const jsCodeBlocks = report.codeSegments\n .Where(s => s.Type === 'code' && (s.Lang === 'js' || s.Lang === 'javascript' || s.Lang === 'ts' || s.Lang === 'typescript'))\n .Select(s => s.Value)\n .ToArray()\n .join('\\n');\n\n // 3. Perform deep inspection if JS code exists.\n if (jsCodeBlocks.length > 0) {\n report.definitions = SourceInspector.ListDefinitions(jsCodeBlocks, \"demo.js\").ToArray();\n }\n\n return report;\n}\n\n// --- HTML Rendering Logic (Server-Side) ---\n\n/** Generates a detailed report based on the analysis results. */\nfunction generateReportHtml(analysisReport: any) {\n const { validationStatus, codeSegments, definitions } = analysisReport;\n\n let html = '';\n\n // 1. Validation Status Section\n html += '

';\n if (validationStatus.IsSafe) {\n html += '

Validation Status: PASS

';\n html += '

The document structure and code block syntax are valid.

';\n } else {\n html += '

Validation Status: FAIL

';\n html += `

Error Found: ${validationStatus.Error.Type} on line ${validationStatus.Error.Line}.`;\n }\n html += '

';\n\n // 2. Definitions Summary Table\n if (definitions && definitions.length > 0) {\n html += '

';\n html += '

Detected Definitions Summary

';\n html += '';\n html += '';\n html += '';\n for (const def of definitions) {\n html += ``;\n html += ``;\n html += ``;\n html += ``;\n html += ``;\n html += ``;\n html += ``;\n }\n html += '';\n html += '

Kind	Name	Modifiers	Start Line	End Line
${def.Kind}	${def.Name}	${def.Modifiers.ToArray().join(', ') \|\| 'None'}	${def.Start.Line}	${def.End.Line}

';\n html += '

';\n } else {\n html += '

No definitions found for inspection.

';\n }\n\n // 3. Code Segment Breakdown\n html += '

';\n html += '

Document Segment Breakdown

';\n for (const segment of codeSegments) {\n const langInfo = segment.Lang ? `(${segment.Lang})` : '(Prose)';\n html += `

Type: ${segment.Type} ${langInfo}`;\n html += `

${escapeHtml(segment.Value)}

`;\n }\n html += '

';\n\n return html;\n}\n\n/** Escapes HTML special characters in the text. */\nfunction escapeHtml(text: string): string {\n return text.replace(/&/g, \"&\")\n .replace(//g, \">\")\n .replace(/\"/g, \""\")\n .replace(/'/g, \"'\");\n}\n\n/** Generates the complete HTML page structure with input and results. */\nfunction createPageHtml(content: string, output: string) {\n return `\n\n\n \n \n CodeSense Analyzer Demo (Complex SSR)\n \n\n\n\n

Code Validator & Inspector Demo

\n\n

\n Input Text (Markdown or Code)\n \n

\n Analysis Output\n

${output}

\n\n\n`;\n}\n\n// --- Val Town HTTP Handler ---\n\n/** Main entry point for the HTTP handler. */\nexport default async function (req: Request): Promise {\n let inputText = sampleCodeInput;\n let analysisOutputHtml = '';\n\n // If a POST request (form submission), run analysis on the data.\n if (req.method === 'POST') {\n try {\n const formData = await req.formData();\n inputText = formData.get('code')?.toString() || '';\n const analysisReportData = runAnalysis(inputText);\n analysisOutputHtml = generateReportHtml(analysisReportData);\n } catch (error) {\n analysisOutputHtml = `

Error processing request: ${error.message}

`;\n }\n } else {\n // Run initial analysis for GET request to pre-populate results\n const analysisReportData = runAnalysis(inputText);\n analysisOutputHtml = generateReportHtml(analysisReportData);\n }\n\n // Generate HTML response with form and analysis results (if any).\n const htmlBody = createPageHtml(inputText, analysisOutputHtml);\n return new Response(htmlBody, { headers: { \"Content-Type\": \"text/html\" } });\n}",[228],"f356569a-fe15-11f0-8a38-42dde27851f2","demo3.ts","4c552cdc-fe14-11f0-ac47-42dde27851f2",72,["D",1769803067863],"// Learn more: https://docs.val.town/vals/http/\n\n// --- Server-Side Imports ---\n// These imports work because Val Town resolves them before running the main function.\nimport { CodeValidator, SourceInspector, CodeUtilities,CodeSense } from \"https://esm.town/v/ziggyware/CodeUtilities/CodeUtilities.ts\";\nimport { List } from \"https://esm.town/v/ziggyware/CodeUtilities/System.Collections.Generic.ts\";\n\n// --- Helper Functions ---\n\n/** Generates a basic HTML structure, allowing dynamic content insertion. */\nfunction createPageHtml(content: string, output: string = '') {\n // Note: No client-side JavaScript analysis code here. All analysis runs on the server.\n return `\n\n\n \n \n CodeSense Analyzer Demo\n \n\n\n\n

Code Validator & Inspector Demo

\n\n

\n Input Text (Markdown or Code)\n \n \n

\n Analysis Output\n

${output}

\n\n\n`;\n}\n\n/** Analyzes the code and generates the output string (server-side logic). */\nfunction runAnalysis(inputText: string): string {\n let outputText = \"\";\n\n // 1. Markdown Segment Analysis (for structure and errors)\n const validationResult = CodeValidator.Analyze(inputText);\n if (!validationResult.IsSafe) {\n outputText += `Validation Error Found:\\n`;\n outputText += `Type: ${validationResult.Error.Type}\\n`;\n outputText += `Line: ${validationResult.Error.Line}\\n\\n`;\n }\n\n // 2. Code Definition Inspection\n const jsCodeBlocks = validationResult.Segments\n .Where(s => s.Type === 'code' && (s.Lang === 'js' || s.Lang === 'javascript' || s.Lang === 'ts' || s.Lang === 'typescript'))\n .Select(s => s.Value)\n .ToArray()\n .join('\\n');\n\n if (jsCodeBlocks.length > 0) {\n outputText += `Inspecting Definitions (${jsCodeBlocks.length} chars of code):\\n`;\n // Use your CodeSense/SourceInspector logic here\n const definitions = SourceInspector.ListDefinitions(jsCodeBlocks, \"demo.js\");\n outputText += JSON.stringify(definitions.ToArray(), null, 2);\n } else {\n outputText += \"No relevant JavaScript/TypeScript code blocks found for definition analysis.\";\n }\n\n return outputText;\n}\n\n// --- Val Town HTTP Handler ---\nexport default async function (req: Request): Promise {\n // Default sample text for initial page load\n let inputText = `# Example Markdown Document\n\nThis document contains a few code blocks for analysis.\n\n## JavaScript Example\n\\`\\`\\`javascript\n// A simple function definition\nfunction calculateArea(width, height) {\n let area = width * height;\n return area;\n}\n\\`\\`\\`\n`;\n let analysisOutput = '';\n\n // If a POST request (form submission), run analysis on the data.\n if (req.method === 'POST') {\n try {\n const formData = await req.formData();\n inputText = formData.get('code')?.toString() || '';\n analysisOutput = runAnalysis(inputText);\n } catch (error) {\n analysisOutput = `Error processing form data: ${error.message}`;\n }\n }\n\n // Generate HTML response with form and analysis results (if any).\n const htmlBody = createPageHtml(inputText, analysisOutput);\n return new Response(htmlBody, { headers: { \"Content-Type\": \"text/html\" } });\n}",[235],"dabeb71e-4c6f-11f1-97bc-ee650bb23af1","demo2.ts","47fa2c24-fe0e-11f0-b3e4-42dde27851f2",1158,["D",1778417871989],10,"// Learn more: https://docs.val.town/vals/http/\nimport { CodeSense, CodeUtilities, CodeValidator } from \"./CodeUtilities.ts\";\nimport { List } from \"./System.Collections.Generic.ts\";\n\n// --- UI Components ---\n// We define a simple function to generate HTML strings, avoiding large template literals.\n\n/** Generates the main page structure. */\nfunction createPageHtml(content: string, output: string = \"\") {\n // We use a simple concatenation or template literal here for cleaner structure.\n // The inner content (output) is generated dynamically based on server-side analysis.\n return `\n\n\n \n \n CodeSense Analyzer Demo\n \n\n\n\n

Code Validator & Inspector Demo

\n\n

\n Input Text (Markdown or Code)\n \n \n

\n Analysis Output\n

${output}

\n\n\n`;\n}\n\n/** Analyzes the code and generates the output string. */\nfunction runAnalysis(inputText: string): string {\n let outputText = \"\";\n\n // 1. Markdown Segment Analysis (for structure and errors)\n const validationResult = CodeValidator.Analyze(inputText);\n if (!validationResult.IsSafe) {\n outputText += `Validation Error Found:\\n`;\n outputText += `Type: ${validationResult.Error.Type}\\n`;\n outputText += `Line: ${validationResult.Error.Line}\\n\\n`;\n }\n\n // 2. Code Definition Inspection\n const jsCodeBlocks = validationResult.Segments\n .Where((s) =>\n s.Type === \"code\" &&\n (s.Lang === \"js\" || s.Lang === \"javascript\" || s.Lang === \"ts\" ||\n s.Lang === \"typescript\")\n )\n .Select((s) => s.Value)\n .ToArray()\n .join(\"\\n\");\n\n if (jsCodeBlocks.length > 0) {\n outputText +=\n `Inspecting Definitions (${jsCodeBlocks.length} chars of code):\\n`;\n // Use your CodeSense/SourceInspector logic here\n // Note: CodeSense.Inspect is part of CodeUtilities2, which you imported\n const definitions = CodeSense.Inspect(jsCodeBlocks, \"demo.js\");\n outputText += JSON.stringify(definitions.ToArray(), null, 2);\n } else {\n outputText +=\n \"No relevant JavaScript/TypeScript code blocks found for definition analysis.\";\n }\n\n return outputText;\n}\n\n// --- Val Town HTTP Handler ---\nexport default async function (req: Request): Promise {\n let inputText = `# Example Markdown Document\n\nThis document contains a few code blocks for analysis.\n\n## JavaScript Example\n\\`\\`\\`javascript\n// A simple function definition\nfunction calculateArea(width, height) {\n let area = width * height;\n return area;\n}\n\\`\\`\\`\n`;\n let analysisOutput = \"\";\n\n // If a POST request (form submission), run analysis on the data.\n if (req.method === \"POST\") {\n try {\n const formData = await req.formData();\n inputText = formData.get(\"code\")?.toString() || \"\";\n analysisOutput = runAnalysis(inputText);\n } catch (error) {\n analysisOutput = `Error processing form data: ${error.message}`;\n }\n }\n\n // Generate HTML response with form and analysis results (if any).\n const htmlBody = createPageHtml(inputText, analysisOutput);\n return new Response(htmlBody, { headers: { \"Content-Type\": \"text/html\" } });\n}",[242],"2ebf2616-fe0d-11f0-940b-42dde27851f2","demo.ts","f99d389a-fe09-11f0-b622-42dde27851f2",54,["D",1769799302071],13,"// Learn more: https://docs.val.town/vals/http/\nexport default async function (req: Request): Promise {\n return new Response(`\n\n\n \n \n CodeSense Analyzer Demo\n \n\n\n\n

Code Validator & Inspector Demo

\n\n

\n \n \n

\n\n

\n Input Text (Markdown or Code)\n \n

\n Analysis Output\n \n

\n\n \n\n\n`, {headers:{\"Content-Type\":\"text/html\"}});\n}",[250],"d2d6900e-46ce-11f1-8ed0-42b51c65c3df","component-val-picker.ts","4e00eef0-46bb-11f1-bb4c-42b51c65c3df",678,["D",1777798953843],43,"import { valTownAccessor } from \"./valTownAccessor.ts\";\n\nexport async function renderValPicker(\n vals?: { id: string; name: string; httpUrl: string }[],\n): Promise {\n if (!vals) {\n vals = [];\n\n const res = await valTownAccessor.listVals();\n\n for (const x of res) {\n vals.push({ id: x.id, name: x.name, httpUrl: x.httpUrl });\n }\n }\n return new Response(\n vals.length === 0 ? \"\" : `\n\n\n\nSelect a Val\n\n\n\n\n

Select a Val to Edit

\n${\n vals.map((v) => `\n

\n ${v.name}\n ${v.httpUrl}\n

\n `)\n .join(\"\")\n }\n\n`,\n { status: 200, headers: { \"content-type\": \"text/html; charset=utf-8\" } },\n );\n}",[258],"b524938a-46dd-11f1-b532-42b51c65c3df","chunker3.ts","a8e411b8-46dd-11f1-b305-42b51c65c3df",704,["D",1777805346578],3,"import { Hono } from \"npm:hono\";\n\nconst app = new Hono();\n\n/**\n * Splits text into equal chunks without using regex.\n */\nfunction mkChunks(text: string, size: number) {\n const chunks = [];\n for (let i = 0; i < text.length; i += size) {\n chunks.push(text.substring(i, i + size));\n }\n return chunks;\n}\n\napp.get(\"/\", (c) => {\n return c.html(`\n \n \n \n

Simple Chunk Engine

\n \n \n `);\n});\n\napp.post(\"/\", async (c) => {\n const body = await c.req.parseBody();\n const text = String(body.text || \"\");\n const size = parseInt(String(body.size)) || 5000;\n\n const chunks = mkChunks(text, size);\n\n const htmlList = chunks.map((ck, i) => `\n

\n Chunk ${i + 1} (${ck.length} characters)\n

${ck}

\n \n

\n `).join(\"\");\n\n return c.html(`\n \n \n \n ← Back\n

Result: ${chunks.length} Chunks

\n ${htmlList}\n \n \n `);\n});\n\nexport default app.fetch;",[266],"53fc40e2-46da-11f1-83b5-42b51c65c3df","chunker2.ts","c8b27d88-46d6-11f1-a582-42b51c65c3df",700,["D",1777803895089],6,"import { valTownAccessor } from \"./valTownAccessor.ts\";\nimport { Hono } from \"npm:hono\";\nimport { renderValPicker } from \"./component-val-picker.ts\";\n\nconst DEF_SZ = 10_000;\nconst MAX_SZ = 1_000_000;\nconst VT_PAGE = 200;\n\nconst CFG = Object.freeze({\n NORM: true,\n SAFE_SL: true,\n ESC_HTML: true,\n ESC_JSON: true,\n});\n\nconst ESC_MAP: Readonly> = Object.freeze({\n \"&\": \"&\",\n \"<\": \"<\",\n \">\": \">\",\n '\"': \""\",\n \"'\": \"'\",\n});\n\nfunction escH(s: string): string {\n return CFG.ESC_HTML ? s.replace(/[&<>\"']/g, (c) => ESC_MAP[c]) : s;\n}\n\nfunction escJ(v: unknown): string {\n return JSON.stringify(v)\n .replace(/<\\/script>/gi, \"<\\\\/script>\")\n .replace(/\n

\n Input ▾\n

\n \n

\n \n \n \n

\n\n\n

\n Chunking ▾\n

\n Size\n \n

\n Overlap\n \n

\n Min Length\n \n

\n Boundary Snap\n \n

\n Token Model\n \n

\n \n

\n \n Collapse whitespace\n \n \n \n \n \n \n Reverse order\n \n \n \n \n \n \n NFKC normalize\n \n \n \n \n \n \n Strip BOM\n \n \n \n \n \n

\n\n\n

\n Wrap & Describe ▾\n

\n Global Prefix\n \n

\n Global Postfix\n \n

\n Per-chunk Prefix Template\n \n

\n Per-chunk Postfix Template\n \n

\n Templates: {i} = 1-based index · {n} = total · {s} = start offset · {e} = end offset · {chars} = length · {tokens} = est. tokens · {hash} = 8-char fingerprint\n

\n \n Show chunk descriptions\n \n \n \n \n \n \n Base64 output\n \n \n \n \n \n

\n Description template\n \n

\n\n\n\n\n

\n\n\n\n\n\n`;\n}\n\n// ── Handler ───────────────────────────────────────────────────────────────────\n\nconst handler = async (req: Request): Promise => {\n let text = \"\";\n let reqSize = 0;\n\n if (req.method === \"POST\") {\n const parsed = await parse(req);\n text = parsed.text;\n reqSize = parsed.size;\n }\n\n const size = clamp(reqSize > 0 ? reqSize : DEFAULT_CHUNK, 1, MAX_BOUND);\n const chunks = chunk(text, size);\n const meta = buildMeta(chunks, text.length, size);\n const payload: Payload = Object.freeze({ chunks, meta });\n\n return new Response(html(text, payload), {\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n};\n\nexport default handler;","file-chunker",[309],"508a8d98-4940-11f1-81cd-42b51c65c3df","CodeUtilities2.ts","d6a5cb34-4663-11f1-b510-42b51c65c3df",885,["D",1778067600292],149,"import { Enumerable, HashSet, List } from \"./System.Collections.Generic.ts\";\n\n// ─────────────────────────────────────────────────────────────────────────────\n// PRIMITIVES\n// ─────────────────────────────────────────────────────────────────────────────\n\nexport interface SourceLocation {\n readonly line: number;\n readonly char: number;\n readonly offset: number;\n}\n\nexport type TokenType = \"string\" | \"comment\" | \"logic\";\nexport type SegmentType = \"prose\" | \"code\";\nexport type DefinitionKind =\n | \"class\"\n | \"function\"\n | \"interface\"\n | \"struct\"\n | \"variable\"\n | \"method\"\n | \"propertyAccessor\";\n\nexport interface Token {\n readonly type: TokenType;\n readonly value: string;\n readonly raw: string; // always populated — never undefined\n readonly start: number;\n readonly closed: boolean;\n readonly quote?: string;\n}\n\nexport interface Segment {\n readonly type: SegmentType;\n readonly lang: string | null;\n readonly value: string;\n readonly start: number;\n readonly closed: boolean;\n readonly subTokens?: readonly Token[];\n}\n\nexport interface Definition {\n readonly name: string;\n readonly kind: DefinitionKind;\n readonly fileName: string;\n readonly modifiers: readonly string[];\n readonly start: SourceLocation;\n readonly end: SourceLocation;\n}\n\nexport interface EnhancedDefinition extends Definition {\n readonly parameters: readonly string[];\n readonly metrics: { readonly lineCount: number; readonly complexity: number };\n readonly children: EnhancedDefinition[];\n}\n\n// ─────────────────────────────────────────────────────────────────────────────\n// INTERNALS — zero-allocation char-walk utilities\n// ─────────────────────────────────────────────────────────────────────────────\n\n/** Inclusive line+char location from a flat offset. O(offset) — call once per site. */\nconst locate = (src: string, offset: number): SourceLocation => {\n const prefix = src.slice(0, offset);\n const nl = prefix.lastIndexOf(\"\\n\");\n return {\n line: (prefix.match(/\\n/g)?.length ?? 0) + 1,\n char: nl === -1 ? offset + 1 : offset - nl,\n offset,\n };\n};\n\n/** Advance `pos` past a string/template literal; returns new position. */\nconst consumeStringAt = (src: string, pos: number): number => {\n const quote = src[pos];\n let i = pos + 1;\n while (i < src.length) {\n const c = src[i];\n if (c === \"\\\\\") {\n i += 2;\n continue;\n }\n if (quote === \"`\" && c === \"$\" && src[i + 1] === \"{\") {\n i = skipInterpolation(src, i + 2) + 1; // +1: skip the closing `}`\n continue;\n }\n if (c === quote) return i + 1;\n i++;\n }\n return i; // unclosed\n};\n\n/**\n * FIX 4: Returns the position *after* the closing `}` of a `${…}` interpolation.\n * Previous impl forgot the unconditional `cursor++`, leaving `}` unadvanced.\n */\nconst skipInterpolation = (src: string, pos: number): number => {\n let depth = 1, i = pos;\n while (i < src.length && depth > 0) {\n const c = src[i];\n if (c === \"'\" || c === '\"' || c === \"`\") {\n i = consumeStringAt(src, i);\n continue;\n }\n if (c === \"{\") depth++;\n else if (c === \"}\") { if (--depth === 0) return i; }\n i++;\n }\n return i;\n};\n\n/**\n * Scan forward from `pos` to the matching closing `}`, respecting string and\n * comment nesting. Returns position just past `}`.\n *\n * FIX 3: Original called `LexJS(code.slice(cursor))` per char inside the loop —\n * O(n²) + `Raw` undefined fallback → 1-char advance → infinite-loop hazard.\n * Now a single O(n) char walk.\n */\nconst findBlockEnd = (src: string, pos: number): number => {\n let i = pos;\n // Advance to opening `{` (or `;` for statement-level declarations)\n while (i < src.length && src[i] !== \"{\" && src[i] !== \";\") i++;\n if (i >= src.length || src[i] === \";\") return i;\n\n let depth = 1;\n i++; // step past `{`\n while (i < src.length && depth > 0) {\n const c = src[i];\n if (c === \"'\" || c === '\"' || c === \"`\") {\n i = consumeStringAt(src, i);\n continue;\n }\n if (c === \"/\" && src[i + 1] === \"*\") {\n const end = src.indexOf(\"*/\", i + 2);\n i = end === -1 ? src.length : end + 2;\n continue;\n }\n if (c === \"/\" && src[i + 1] === \"/\") {\n const end = src.indexOf(\"\\n\", i + 2);\n i = end === -1 ? src.length : end + 1;\n continue;\n }\n if (c === \"{\") depth++;\n else if (c === \"}\") depth--;\n i++;\n }\n return i;\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// LOGIC-VIEW BUILDER\n// ─────────────────────────────────────────────────────────────────────────────\n\ninterface LogicView {\n readonly text: string; // strings/comments blanked to spaces\n readonly map: Uint32Array; // map[logicIdx] → src offset\n}\n\nconst buildLogicView = (src: string): LogicView => {\n const logicChars: string[] = [];\n const map: number[] = [];\n\n let i = 0;\n while (i < src.length) {\n const c = src[i];\n\n // STRING / TEMPLATE\n if (c === \"'\" || c === '\"' || c === \"`\") {\n const end = consumeStringAt(src, i);\n // skip entire string in logic view\n i = end;\n continue;\n }\n\n // BLOCK COMMENT\n if (c === \"/\" && src[i + 1] === \"*\") {\n const end = src.indexOf(\"*/\", i + 2);\n i = end === -1 ? src.length : end + 2;\n continue;\n }\n\n // LINE COMMENT\n if (c === \"/\" && src[i + 1] === \"/\") {\n const end = src.indexOf(\"\\n\", i + 2);\n i = end === -1 ? src.length : end + 1;\n continue;\n }\n\n // LOGIC CHARACTER\n logicChars.push(c);\n map.push(i);\n i++;\n }\n\n return {\n text: logicChars.join(\"\"),\n map: Uint32Array.from(map),\n };\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// SETS — frozen at module load, never reconstructed\n// ─────────────────────────────────────────────────────────────────────────────\n\nconst LANGS = new Set([\n \"visualbasic\",\n \"javascript\",\n \"powershell\",\n \"processing\",\n \"purescript\",\n \"typescript\",\n \"dockerfile\",\n \"hscript\",\n \"makefile\",\n \"markdown\",\n \"protobuf\",\n \"smalltalk\",\n \"solidity\",\n \"terraform\",\n \"asciidoc\",\n \"arduino\",\n \"clojure\",\n \"crystal\",\n \"elixir\",\n \"erlang\",\n \"fsharp\",\n \"graphql\",\n \"haskell\",\n \"verilog\",\n \"wolfram\",\n \"csharp\",\n \"golang\",\n \"kotlin\",\n \"ocaml\",\n \"puppet\",\n \"scheme\",\n \"xquery\",\n \"batch\",\n \"bicep\",\n \"julia\",\n \"latex\",\n \"shell\",\n \"swift\",\n \"wasm\",\n \"adoc\",\n \"bash\",\n \"dart\",\n \"fish\",\n \"hcl\",\n \"html\",\n \"java\",\n \"json\",\n \"lisp\",\n \"nasm\",\n \"nix\",\n \"perl\",\n \"proto\",\n \"purs\",\n \"raku\",\n \"rust\",\n \"sass\",\n \"scss\",\n \"tsx\",\n \"vhdl\",\n \"yaml\",\n \"zig\",\n \"asm\",\n \"bat\",\n \"clj\",\n \"cmd\",\n \"cpp\",\n \"css\",\n \"csv\",\n \"cxx\",\n \"hpp\",\n \"ini\",\n \"mdx\",\n \"php\",\n \"pwn\",\n \"rst\",\n \"sql\",\n \"tsv\",\n \"vba\",\n \"vbs\",\n \"xml\",\n \"yml\",\n \"cs\",\n \"ex\",\n \"fs\",\n \"hs\",\n \"hy\",\n \"jl\",\n \"js\",\n \"kt\",\n \"md\",\n \"pl\",\n \"ps1\",\n \"rb\",\n \"rs\",\n \"sh\",\n \"st\",\n \"tf\",\n \"ts\",\n \"vb\",\n \"wl\",\n \"xq\",\n \"c\",\n \"d\",\n \"h\",\n \"r\",\n \"v\",\n]);\n\nconst KEYWORDS = new Set([\n \"class\",\n \"function\",\n \"interface\",\n \"struct\",\n \"const\",\n \"let\",\n \"var\",\n]);\n\nconst MODIFIERS = new Set([\n \"public\",\n \"private\",\n \"protected\",\n \"static\",\n \"async\",\n \"export\",\n \"default\",\n \"get\",\n \"set\",\n]);\n\nconst COMPLEXITY_RE = /\\b(if|for|while|case|catch)\\b|&&|\\|\\|/g;\n\nconst JS_LANGS = new Set([\"js\", \"javascript\", \"ts\", \"typescript\"]);\n\n// ─────────────────────────────────────────────────────────────────────────────\n// LEXER\n// ─────────────────────────────────────────────────────────────────────────────\n\n/** Full JS/TS lexer. Returns an immutable Token array — no List wrapper overhead. */\nconst lexJS = (src: string): readonly Token[] => {\n const out: Token[] = [];\n let i = 0;\n\n while (i < src.length) {\n const c = src[i], n = src[i + 1];\n\n // Strings / templates\n if (c === \"'\" || c === '\"' || c === \"`\") {\n const end = consumeStringAt(src, i);\n const raw = src.slice(i, end);\n const closed = raw.length > 1 && raw[raw.length - 1] === c;\n out.push({\n type: \"string\",\n quote: c,\n value: raw.slice(1, closed ? -1 : undefined),\n raw,\n start: i,\n closed,\n });\n i = end;\n continue;\n }\n\n // Block comment\n if (c === \"/\" && n === \"*\") {\n const end = src.indexOf(\"*/\", i + 2);\n const closed = end !== -1;\n const to = closed ? end + 2 : src.length;\n out.push({\n type: \"comment\",\n value: src.slice(i, to),\n raw: src.slice(i, to),\n start: i,\n closed,\n });\n i = to;\n continue;\n }\n\n // Line comment\n if (c === \"/\" && n === \"/\") {\n const end = src.indexOf(\"\\n\", i + 2);\n const to = end === -1 ? src.length : end;\n out.push({\n type: \"comment\",\n value: src.slice(i, to),\n raw: src.slice(i, to),\n start: i,\n closed: true,\n });\n i = to;\n continue;\n }\n\n // Logic\n const s = i;\n while (\n i < src.length &&\n src[i] !== \"'\" && src[i] !== '\"' && src[i] !== \"`\" &&\n !(src[i] === \"/\" && (src[i + 1] === \"/\" || src[i + 1] === \"*\"))\n ) i++;\n if (i > s) {\n const v = src.slice(s, i);\n out.push({ type: \"logic\", value: v, raw: v, start: s, closed: true });\n }\n }\n return out;\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// MARKDOWN PARSER\n// ─────────────────────────────────────────────────────────────────────────────\n\nconst parseMarkdown = (src: string): readonly Segment[] => {\n const out: Segment[] = [];\n let i = 0;\n\n while (i < src.length) {\n const fence = src.indexOf(\"```\", i);\n if (fence === -1) {\n if (i < src.length) {\n out.push({\n type: \"prose\",\n lang: null,\n value: src.slice(i),\n start: i,\n closed: true,\n });\n }\n break;\n }\n\n if (fence > i) {\n out.push({\n type: \"prose\",\n lang: null,\n value: src.slice(i, fence),\n start: i,\n closed: true,\n });\n }\n\n let contentStart = fence + 3;\n let lang: string | null = null;\n const lineEnd = src.indexOf(\"\\n\", contentStart);\n const header =\n src.slice(contentStart, lineEnd !== -1 ? lineEnd : contentStart + 50)\n .trim().split(/\\s+/)[0];\n if (header && LANGS.has(header.toLowerCase())) {\n lang = header.toLowerCase();\n contentStart += header.length;\n }\n\n const closeIdx = src.indexOf(\"```\", contentStart);\n const closed = closeIdx !== -1;\n const value = closed\n ? src.slice(contentStart, closeIdx)\n : src.slice(contentStart);\n\n out.push({\n type: \"code\",\n lang,\n value,\n start: contentStart,\n closed,\n subTokens: lang && JS_LANGS.has(lang) ? lexJS(value) : undefined,\n });\n\n i = closed ? closeIdx + 3 : src.length;\n }\n return out;\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// DEFINITION SCANNER — shared core, used by both List and Analyze variants\n// ─────────────────────────────────────────────────────────────────────────────\n\ninterface RawDef {\n name: string;\n kind: DefinitionKind;\n modifiers: string[];\n startOffset: number;\n endOffset: number;\n signatureEnd: number; // offset of `{` or `(…)` close, for param extraction\n children: RawDef[];\n}\n\nconst kindOf = (word: string): DefinitionKind => {\n if (word === \"const\" || word === \"let\" || word === \"var\") return \"variable\";\n if (word === \"get\" || word === \"set\") return \"propertyAccessor\";\n if (KEYWORDS.has(word)) return word as DefinitionKind;\n return \"method\";\n};\n\nconst scanDefinitions = (src: string): RawDef[] => {\n const { text: logic, map } = buildLogicView(src);\n const defs: RawDef[] = [];\n const mods: string[] = [];\n let i = 0;\n\n while (i < logic.length) {\n // Skip whitespace\n if (/\\s/.test(logic[i])) {\n i++;\n continue;\n }\n\n // Scan word\n const ws = i;\n while (i < logic.length && /[a-zA-Z0-9_$]/.test(logic[i])) i++;\n const word = logic.slice(ws, i);\n if (!word) {\n i++;\n continue;\n }\n\n if (MODIFIERS.has(word)) {\n mods.push(word);\n continue;\n }\n\n // Skip whitespace after word to check for `(`\n let peek = i;\n while (peek < logic.length && /\\s/.test(logic[peek])) peek++;\n const isMethod = logic[peek] === \"(\";\n\n if (!KEYWORDS.has(word) && !isMethod) {\n mods.length = 0;\n i++;\n continue;\n }\n\n // Extract name\n let name = \"\";\n if (KEYWORDS.has(word)) {\n let ni = peek;\n // skip past `(` for anonymous check — for named: find identifier\n if (logic[ni] !== \"(\") {\n while (ni < logic.length && /\\s/.test(logic[ni])) ni++;\n const ns = ni;\n while (ni < logic.length && /[a-zA-Z0-9_$]/.test(logic[ni])) ni++;\n name = logic.slice(ns, ni);\n }\n } else {\n name = word;\n }\n\n // FIX 2: skip unnamed (anonymous functions) rather than emitting Name:\"\"\n if (!name) {\n mods.length = 0;\n i++;\n continue;\n }\n\n const srcStart = map[ws];\n const blockEnd = findBlockEnd(src, map[i] ?? src.length);\n // signatureEnd: position of opening `{` in src\n const sigEnd = (() => {\n let j = map[i] ?? 0;\n while (j < src.length && src[j] !== \"{\" && src[j] !== \";\") j++;\n return j;\n })();\n\n const children: RawDef[] = [];\n if (blockEnd > sigEnd + 2) {\n let ch = scanDefinitions(\n src.substring(\n srcStart + sigEnd + 1,\n srcStart + blockEnd + 1 - (srcStart + sigEnd),\n ),\n );\n\n for (const c of ch) {\n children.push(c);\n }\n }\n\n defs.push({\n name,\n kind: kindOf(word),\n modifiers: [...mods],\n startOffset: srcStart,\n endOffset: blockEnd,\n signatureEnd: sigEnd,\n children: children,\n });\n\n mods.length = 0;\n i = logic.length > blockEnd\n ? logic.indexOf(src[blockEnd], ws) + 1\n : logic.length;\n // Advance logic cursor to just past endOffset\n // Since map[j] = src offset, find first logic index where map[j] >= blockEnd\n i = ws;\n while (i < logic.length && map[i] < blockEnd) i++;\n }\n return defs;\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// PARAMETER EXTRACTION\n// ─────────────────────────────────────────────────────────────────────────────\n\nconst extractParams = (src: string, sigEnd: number): readonly string[] => {\n const open = src.lastIndexOf(\"(\", sigEnd);\n if (open === -1) return [];\n const close = src.indexOf(\")\", open);\n if (close === -1) return [];\n const inner = src.slice(open + 1, close).trim();\n if (!inner) return [];\n return inner\n .split(\",\")\n .map((p) => p.trim().split(/[=:]/)[0].replace(/^\\.\\.\\./, \"\").trim())\n .filter(Boolean);\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// METRICS\n// ─────────────────────────────────────────────────────────────────────────────\n\nconst calcMetrics = (\n body: string,\n startLine: number,\n endLine: number,\n): { lineCount: number; complexity: number } => ({\n lineCount: endLine - startLine,\n // FIX 7: regex had spurious `\\&` escapes; `&&`/`||` need no backslash\n complexity: 1 +\n (body.match(/\\b(if|for|while|case|catch)\\b|&&|\\|\\|/g)?.length ?? 0),\n});\n\n// ─────────────────────────────────────────────────────────────────────────────\n// HIERARCHY BUILDER\n// ─────────────────────────────────────────────────────────────────────────────\n\n/**\n * Converts a flat RawDef list (sorted by startOffset) into a nested\n * EnhancedDefinition tree by maintaining a containment stack.\n *\n * FIX 1 + FIX 6: The original `AnalyzeCode` had a redundant inner `if` gate\n * that silently dropped definitions and a `LastOrDefault()` null-deref when\n * `scopeStack` was empty. Here the stack is a plain array with explicit guards.\n */\nconst buildHierarchy = (\n src: string,\n fileName?: string,\n raws?: RawDef[],\n): readonly EnhancedDefinition[] => {\n raws = raws ?? scanDefinitions(src);\n const roots: EnhancedDefinition[] = [];\n // stack entries: [def, mutableChildren]\n const stack: Array<\n { def: EnhancedDefinition; end: number; children: EnhancedDefinition[] }\n > = [];\n\n for (const r of raws) {\n // Pop scopes whose range has been exited\n while (stack.length > 0 && r.startOffset >= stack[stack.length - 1].end) {\n stack.pop();\n }\n\n const startLoc = locate(src, r.startOffset);\n const endLoc = locate(src, r.endOffset);\n const body = src.slice(r.signatureEnd, r.endOffset - r.signatureEnd);\n\n const childDefs = body.length > 1 ? scanDefinitions(body) : [];\n\n let children = (body.length > 1 && childDefs.length > 0)\n ? buildHierarchy(body, fileName)\n : [];\n\n const def: EnhancedDefinition = {\n name: r.name,\n kind: r.kind,\n fileName,\n modifiers: r.modifiers,\n start: startLoc,\n end: endLoc,\n parameters: extractParams(\n src.substring(r.startOffset),\n r.signatureEnd - r.startOffset,\n ),\n metrics: calcMetrics(body, startLoc.line, endLoc.line),\n children: children, // mutated below as nested defs are discovered\n };\n\n if (stack.length === 0) {\n roots.push(def);\n } else {\n // Safe: stack is non-empty, explicitly guarded above\n stack[stack.length - 1].children.push(def);\n }\n\n // Push containers onto scope stack\n if (r.kind === \"class\" || r.kind === \"interface\" || r.kind === \"struct\") {\n stack.push({ def, end: r.endOffset, children: children });\n }\n }\n\n return roots;\n};\n\n// ─────────────────────────────────────────────────────────────────────────────\n// PUBLIC API\n// ─────────────────────────────────────────────────────────────────────────────\n\nexport const CodeValidator = {\n /**\n * Structural integrity check: unclosed markdown blocks or JS tokens.\n */\n analyze(text = \"\"): {\n segments: readonly Segment[];\n safe: boolean;\n error: { type: string; line: number } | null;\n } {\n const segments = parseMarkdown(text);\n const bad = segments.find(\n (s) => !s.closed || s.subTokens?.some((t) => !t.closed),\n );\n const error = bad\n ? {\n type: !bad.closed ? \"markdown_block\" : \"js_syntax\",\n line: (text.slice(0, bad.start).match(/\\n/g)?.length ?? 0) + 1,\n }\n : null;\n return { segments, safe: error === null, error };\n },\n\n /** Full JS/TS token stream. */\n lex: lexJS,\n} as const;\n\nexport const SourceInspector = {\n /**\n * Flat definition list — names, kinds, locations, modifiers.\n */\n listDefinitions(src: string, fileName = \"unknown\"): readonly Definition[] {\n return scanDefinitions(src).map((r) => ({\n name: r.name,\n kind: r.kind,\n fileName,\n modifiers: r.modifiers,\n start: locate(src, r.startOffset),\n end: locate(src, r.endOffset),\n children: scanDefinitions(\n src.substring(r.signatureEnd, r.endOffset - r.signatureEnd),\n ),\n }));\n },\n\n /**\n * Nested definition tree with parameters, metrics, and child scopes.\n */\n analyzeCode(\n src: string,\n fileName = \"unknown\",\n ): readonly EnhancedDefinition[] {\n const raws = scanDefinitions(src);\n raws.sort((a, b) => a.startOffset - b.startOffset);\n return buildHierarchy(src, fileName, raws);\n },\n} as const;\n\n// ─────────────────────────────────────────────────────────────────────────────\n// UTILITIES\n// ─────────────────────────────────────────────────────────────────────────────\n\nexport const CodeUtilities = {\n largestCodeBlock(text: string): string {\n const { segments } = CodeValidator.analyze(text);\n const codes = segments.filter((s) => s.type === \"code\");\n const pool = codes.length ? codes : segments;\n return pool.reduce(\n (a, b) => (b.value.length > a.value.length ? b : a),\n pool[0],\n )?.value ?? text;\n },\n\n blocks(text: string): readonly Segment[] {\n return CodeValidator.analyze(text).segments;\n },\n\n codeBlocks(text: string): readonly Segment[] {\n return CodeValidator.analyze(text).segments.filter((s) =>\n s.type === \"code\"\n );\n },\n\n hasBlock(text: string): boolean {\n return CodeValidator.analyze(text).segments.length > 0;\n },\n\n hasCodeBlock(text: string): boolean {\n return CodeValidator.analyze(text).segments.some((s) => s.type === \"code\");\n },\n\n joinCode(text: string): string {\n return CodeValidator.analyze(text).segments\n .filter((s) => s.type === \"code\")\n .map((s) => s.value)\n .join(\"\\n\");\n },\n\n wrapCode(code: string, lang = \"plain\"): string {\n return `\\`\\`\\`${lang}\\n${code}\\n\\`\\`\\``;\n },\n\n async copyToClipboard(text: string): Promise {\n try {\n await navigator.clipboard.writeText(text);\n return true;\n } catch {\n return false;\n }\n },\n\n async copyCodeToClipboard(text: string): Promise {\n const code = CodeUtilities.joinCode(text);\n return code ? CodeUtilities.copyToClipboard(code) : false;\n },\n\n async readFromClipboard(): Promise {\n try {\n return await navigator.clipboard.readText();\n } catch {\n return null;\n }\n },\n\n async readCodeFromClipboard(): Promise {\n const text = await CodeUtilities.readFromClipboard();\n return text ? CodeUtilities.joinCode(text) : null;\n },\n} as const;\n\n// ─────────────────────────────────────────────────────────────────────────────\n// FIX 8: `CodeSense.inspect` previously had no default for `fileName`,\n// making it stricter than the underlying method — inverted abstraction gradient.\n// ─────────────────────────────────────────────────────────────────────────────\n\n/** Unified entry-point — one object, three verbs. */\nexport const CodeSense = {\n analyze: (text) => SourceInspector.analyzeCode(text),\n validate: (text: string) => CodeValidator.analyze(text),\n lex: (js: string) => CodeValidator.lex(js),\n definitions: (code: string, fileName = \"unknown\") =>\n SourceInspector.listDefinitions(code, fileName),\n} as const;\n\nexport default function View() {\n let tx =\n \"class o{function foo(str:string,l:number){} class j{ function foo2(){} } }\";\n\n let co = SourceInspector.analyzeCode(tx);\n\n let tx2 = tx.substring(\n co[0].start.offset,\n co[0].end.offset - co[0].start.offset,\n );\n let co2 = SourceInspector.analyzeCode(tx2);\n\n return new Response(\n JSON.stringify(\n buildHierarchy(\n tx,\n ),\n 0,\n 2,\n ),\n {\n status: 200,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n}",[317],"aedbe720-4c6f-11f1-a499-ee650bb23af1","CodeUtilities.ts","9879090e-4b39-11f1-8ca6-ee650bb23af1",1153,["D",1778417798377],"import {\n Dictionary,\n Enumerable,\n HashSet,\n KeyValuePair,\n List,\n} from \"./System.Collections.Generic.ts\";\n\n/** Represents a text coordinate in a source file */\nexport interface SourceLocation {\n Line: number;\n Char: number;\n Offset: number;\n}\n\n/** Represents a code definition (Class, Function, etc.) */\nexport interface Definition {\n Name: string;\n Kind: string;\n FileName: string;\n Modifiers: List;\n Start: SourceLocation;\n End: SourceLocation;\n}\n\n// --- Enriched data structure for advanced analysis ---\n// We extend the base Definition interface to include richer details.\nexport interface EnhancedDefinition extends Definition {\n parameters: List;\n metrics: {\n lineCount: number;\n complexity: number;\n };\n children: List;\n}\n\n/** Represents a lexical token (String, Comment, or Logic) */\nexport interface Token {\n Type: \"string\" | \"comment\" | \"logic\";\n Value: string;\n Raw?: string;\n Start: number;\n IsClosed: boolean;\n Quote?: string;\n}\n\n/** Represents a segment of a Markdown file */\nexport interface Segment {\n Type: \"prose\" | \"code\";\n Lang: string | null;\n Value: string;\n Start: number;\n IsClosed: boolean;\n SubTokens?: Enumerable;\n}\n\nexport class CodeValidator {\n /** List of supported languages for code block detection */\n private static readonly Langs = new HashSet([\n \"visualbasic\",\n \"javascript\",\n \"powershell\",\n \"processing\",\n \"purescript\",\n \"typescript\",\n \"dockerfile\",\n \"hscript\",\n \"makefile\",\n \"markdown\",\n \"protobuf\",\n \"smalltalk\",\n \"solidity\",\n \"terraform\",\n \"asciidoc\",\n \"arduino\",\n \"clojure\",\n \"crystal\",\n \"elixir\",\n \"erlang\",\n \"fsharp\",\n \"graphql\",\n \"haskell\",\n \"verilog\",\n \"wolfram\",\n \"csharp\",\n \"golang\",\n \"kotlin\",\n \"ocaml\",\n \"puppet\",\n \"scheme\",\n \"xquery\",\n \"batch\",\n \"bicep\",\n \"julia\",\n \"latex\",\n \"shell\",\n \"swift\",\n \"wasm\",\n \"adoc\",\n \"bash\",\n \"dart\",\n \"fish\",\n \"hcl\",\n \"html\",\n \"java\",\n \"json\",\n \"lisp\",\n \"nasm\",\n \"nix\",\n \"perl\",\n \"proto\",\n \"purs\",\n \"raku\",\n \"rust\",\n \"sass\",\n \"scss\",\n \"tsx\",\n \"vhdl\",\n \"yaml\",\n \"zig\",\n \"asm\",\n \"bat\",\n \"clj\",\n \"cmd\",\n \"cpp\",\n \"css\",\n \"csv\",\n \"cxx\",\n \"hpp\",\n \"ini\",\n \"mdx\",\n \"php\",\n \"pwn\",\n \"rst\",\n \"sql\",\n \"tsv\",\n \"vba\",\n \"vbs\",\n \"xml\",\n \"yml\",\n \"cs\",\n \"ex\",\n \"fs\",\n \"hs\",\n \"hy\",\n \"jl\",\n \"js\",\n \"kt\",\n \"md\",\n \"pl\",\n \"ps1\",\n \"rb\",\n \"rs\",\n \"sh\",\n \"st\",\n \"tf\",\n \"ts\",\n \"vb\",\n \"wl\",\n \"xq\",\n \"c\",\n \"d\",\n \"h\",\n \"r\",\n \"v\",\n ]);\n\n /** Analyzes document for structural integrity (unclosed blocks/tokens) */\n public static Analyze(text: string = \"\") {\n const segments = this.ParseMarkdown(text);\n\n const firstError = segments\n .Where((s) =>\n !s.IsClosed || (s.SubTokens && s.SubTokens.Any((t) => !t.IsClosed))\n )\n .Select((s) => {\n const type = !s.IsClosed ? \"markdown_block\" : \"js_syntax\";\n return { Type: type, Line: this.GetLineCount(text, s.Start) };\n })\n .FirstOrDefault();\n\n return {\n Segments: segments,\n IsSafe: firstError === null,\n Error: firstError,\n };\n }\n\n /** Deep Lexer for JS/TS logic (including strings and comments) */\n public static LexJS(code: string): Enumerable {\n const tokens = new List();\n let cursor = 0;\n\n while (cursor < code.length) {\n const char = code[cursor];\n const next = code[cursor + 1];\n\n // 1. Strings (single quotes, double quotes, backticks with interpolation)\n if (char === \"'\" || char === '\"' || char === \"`\") {\n const str = this.ConsumeString(code, cursor);\n tokens.Add(str);\n cursor += str.Raw!.length;\n continue;\n }\n\n // 2. Comments (line // and block /* */)\n if (char === \"/\" && (next === \"/\" || next === \"*\")) {\n const isBlock = next === \"*\";\n const startIdx = cursor;\n let endIdx = -1;\n\n if (isBlock) {\n endIdx = code.indexOf(\"*/\", startIdx + 2);\n if (endIdx !== -1) endIdx += 2; // Include '*/' in the value length\n } else { // Line comment //\n endIdx = code.indexOf(\"\\n\", startIdx + 2);\n }\n\n // If comment is unclosed, set end index to end of code\n const isClosed = endIdx !== -1;\n if (!isClosed) endIdx = code.length;\n\n tokens.Add({\n Type: \"comment\",\n Value: code.slice(startIdx, endIdx),\n Start: startIdx,\n IsClosed: isClosed || !isBlock, // Line comments are always closed by EOL/EOF\n });\n cursor = endIdx;\n continue;\n }\n\n // 3. Logic (everything else)\n const logicStart = cursor;\n while (\n cursor < code.length &&\n code[cursor] !== \"'\" && code[cursor] !== '\"' && code[cursor] !== \"`\" &&\n !(code[cursor] === \"/\" &&\n (code[cursor + 1] === \"/\" || code[cursor + 1] === \"*\"))\n ) {\n cursor++;\n }\n if (cursor > logicStart) {\n tokens.Add({\n Type: \"logic\",\n Value: code.slice(logicStart, cursor),\n Start: logicStart,\n IsClosed: true,\n });\n }\n }\n return tokens;\n }\n\n /** Parses Markdown code blocks and prose segments */\n private static ParseMarkdown(text: string): Enumerable {\n const segments = new List();\n let cursor = 0;\n\n while (cursor < text.length) {\n const startIdx = text.indexOf(\"```\", cursor);\n if (startIdx === -1) {\n segments.Add({\n Type: \"prose\",\n Lang: null,\n Value: text.slice(cursor),\n Start: cursor,\n IsClosed: true,\n });\n break;\n }\n\n if (startIdx > cursor) {\n segments.Add({\n Type: \"prose\",\n Lang: null,\n Value: text.slice(cursor, startIdx),\n Start: cursor,\n IsClosed: true,\n });\n }\n\n let contentStart = startIdx + 3;\n let lang: string | null = null;\n const lineEnd = text.indexOf(\"\\n\", contentStart);\n const header = text.slice(\n contentStart,\n lineEnd !== -1 ? lineEnd : contentStart + 50,\n );\n const firstWord = header.trim().split(/\\s+/)[0];\n\n // Detect language tag from code block header\n if (firstWord && this.Langs.Contains(firstWord.toLowerCase())) {\n lang = firstWord.toLowerCase();\n contentStart += firstWord.length;\n }\n\n const endIdx = text.indexOf(\"```\", contentStart);\n const isClosed = endIdx !== -1;\n const content = isClosed\n ? text.slice(contentStart, endIdx)\n : text.slice(contentStart);\n\n segments.Add({\n Type: \"code\",\n Lang: lang,\n Value: content,\n Start: contentStart,\n IsClosed: isClosed,\n // Apply JS/TS lexer only if language matches\n SubTokens: (lang === \"js\" || lang === \"javascript\" || lang === \"ts\" ||\n lang === \"typescript\")\n ? this.LexJS(content)\n : undefined,\n });\n\n cursor = isClosed ? endIdx + 3 : text.length;\n }\n return segments;\n }\n\n /** Consumes a string literal from the code, including escape sequences and template literal interpolation */\n private static ConsumeString(code: string, start: number): Token {\n const quote = code[start];\n let cursor = start + 1;\n let escaped = false;\n\n while (cursor < code.length) {\n if (escaped) {\n escaped = false;\n cursor++;\n continue;\n }\n if (code[cursor] === \"\\\\\") {\n escaped = true;\n cursor++;\n continue;\n }\n if (code[cursor] === quote) {\n cursor++;\n break;\n }\n // Handle template literal interpolation ${...} recursively\n if (quote === \"`\" && code[cursor] === \"$\" && code[cursor + 1] === \"{\") {\n cursor += this.SkipInterpolation(code, cursor + 2) + 2;\n continue;\n }\n cursor++;\n }\n const raw = code.slice(start, cursor);\n const isClosed = raw.length > 1 && raw.endsWith(quote) && !escaped;\n return {\n Type: \"string\",\n Quote: quote,\n Value: raw.slice(1, raw.length - (isClosed ? 1 : 0)), // Value without quotes\n Raw: raw,\n Start: start,\n IsClosed: isClosed,\n };\n }\n\n /** Skips content within template literal interpolation (recursively handling nested structures) */\n private static SkipInterpolation(code: string, start: number): number {\n let depth = 1;\n let cursor = start;\n while (cursor < code.length && depth > 0) {\n const char = code[cursor];\n if (char === \"'\" || char === '\"' || char === \"`\") {\n const consumedToken = this.ConsumeString(code, cursor);\n cursor += consumedToken.Raw!.length;\n continue;\n }\n if (char === \"{\") depth++;\n else if (char === \"}\") depth--;\n if (depth > 0) cursor++;\n }\n return cursor - start;\n }\n\n public static GetLineCount(text: string, index: number): number {\n return text.substring(0, index).split(\"\\n\").length;\n }\n}\n\nexport class SourceInspector {\n private static readonly Keywords = new HashSet([\n \"class\",\n \"function\",\n \"interface\",\n \"struct\",\n \"const\",\n \"let\",\n \"var\",\n ]);\n private static readonly Modifiers = new HashSet([\n \"public\",\n \"private\",\n \"protected\",\n \"static\",\n \"async\",\n \"export\",\n \"default\",\n \"get\",\n \"set\",\n ]);\n\n /** Lists all definitions found in the code using Token Stream Scanning */\n public static ListDefinitions(\n code: string,\n fileName: string = \"unknown\",\n ): Enumerable {\n const tokens = CodeValidator.LexJS(code);\n const definitions = new List();\n\n // Build a logic-only view with index mapping (omitted for brevity)\n let logicOnly = \"\";\n const offsetMap = new List();\n let lastPos = 0;\n\n tokens.ToArray().forEach((t) => {\n while (lastPos < t.Start) {\n logicOnly += \" \";\n offsetMap.Add(lastPos++);\n }\n const isLogic = t.Type === \"logic\";\n const tokenLength = t.Raw?.length || t.Value.length;\n for (let i = 0; i < tokenLength; i++) {\n logicOnly += isLogic ? (t.Raw || t.Value)[i] : \" \";\n offsetMap.Add(t.Start + i);\n }\n lastPos = t.Start + tokenLength;\n });\n\n let cursor = 0;\n const pendingModifiers = new List();\n\n while (cursor < logicOnly.length) {\n if (/\\s/.test(logicOnly[cursor])) {\n cursor++;\n continue;\n }\n\n const wordStart = cursor;\n while (\n cursor < logicOnly.length && /[a-zA-Z0-9_$]/.test(logicOnly[cursor])\n ) cursor++;\n const word = logicOnly.slice(wordStart, cursor);\n\n if (this.Modifiers.Contains(word)) {\n pendingModifiers.Add(word);\n continue;\n }\n\n if (\n this.Keywords.Contains(word) || this.IsMethod(logicOnly, word, cursor)\n ) {\n const kind = this.GetKind(word);\n const name = this.GetName(logicOnly, word, cursor);\n const startOffset = offsetMap.ToArray()[wordStart];\n\n // Calculate the end of the declaration block (fix 1a)\n const endOffset = this.FindBlockEnd(code, offsetMap.ToArray()[cursor]);\n\n if (name) {\n const startLoc = SourceInspector.GetLocation(code, startOffset);\n const endLoc = this.GetLocation(code, endOffset);\n\n definitions.Add({\n Name: name,\n Kind: kind,\n FileName: fileName,\n Modifiers: new List(pendingModifiers),\n Start: startLoc,\n End: endLoc,\n });\n }\n pendingModifiers.Clear();\n\n // FIX 1b: Advance cursor past the identified definition to prevent re-parsing.\n // This stops \"calculateArea\" from being detected twice (once for \"function\", once for \"method\").\n cursor = endOffset + 1;\n } else {\n if (word.length > 0) pendingModifiers.Clear();\n cursor++;\n }\n }\n return definitions;\n }\n\n /** Determines the type (kind) of definition based on keywords. */\n public static GetKind(word: string): string {\n switch (word) {\n case \"const\":\n case \"let\":\n case \"var\":\n return \"variable\";\n case \"function\":\n case \"class\":\n case \"interface\":\n case \"struct\":\n return word;\n case \"get\":\n case \"set\":\n return \"propertyAccessor\";\n default:\n return \"method\"; // Default for other identifiers that look like function calls/properties\n }\n }\n\n /** --- Existing helper method (no change) --- */\n public static IsMethod(logic: string, word: string, cursor: number): boolean {\n if (!word) return false;\n let temp = cursor;\n while (temp < logic.length && /\\s/.test(logic[temp])) temp++;\n return logic[temp] === \"(\";\n }\n\n /** --- Existing helper method (no change) --- */\n public static GetName(logic: string, word: string, cursor: number): string {\n if (this.Keywords.Contains(word)) {\n let temp = cursor;\n while (temp < logic.length && /[\\s\\(]/.test(logic[temp])) temp++;\n const start = temp;\n while (temp < logic.length && /[a-zA-Z0-9_$]/.test(logic[temp])) temp++;\n return logic.slice(start, temp);\n }\n return word;\n }\n private static FindBlockEnd(code: string, start: number): number {\n let cursor = start;\n let depth = 0;\n while (cursor < code.length) {\n if (code[cursor] === \"{\") {\n depth = 1;\n cursor++;\n break;\n }\n if (code[cursor] === \";\") return cursor;\n cursor++;\n }\n while (cursor < code.length && depth > 0) {\n const char = code[cursor];\n if (char === \"'\" || char === '\"' || char === \"`\") {\n const consumedToken = CodeValidator.LexJS(code.slice(cursor))\n .FirstOrDefault();\n cursor += consumedToken?.Raw?.length || 1;\n continue;\n }\n if (char === \"{\") depth++;\n else if (char === \"}\") depth--;\n cursor++;\n }\n return cursor;\n }\n\n public static GetLocation(code: string, index: number): SourceLocation {\n const lines = code.substring(0, index).split(\"\\n\");\n return {\n Line: lines.length,\n Char: lines[lines.length - 1].length + 1,\n Offset: index,\n };\n }\n\n // Complexity keywords for calculating cyclomatic complexity\n private static readonly ComplexityKeywords = new HashSet([\n \"if\",\n \"for\",\n \"while\",\n \"case\",\n \"catch\",\n ]);\n\n /** Lists all definitions found in the code, including nested definitions and metrics. */\n public static AnalyzeCode(\n code: string,\n fileName: string = \"unknown\",\n ): Enumerable {\n const tokens = CodeValidator.LexJS(code);\n const definitions = new List();\n\n let logicOnly = \"\";\n const offsetMap = new List();\n let lastPos = 0;\n\n tokens.ToArray().forEach((t) => {\n while (lastPos < t.Start) {\n logicOnly += \" \";\n offsetMap.Add(lastPos++);\n }\n const isLogic = t.Type === \"logic\";\n const tokenLength = t.Raw?.length || t.Value.length;\n for (let i = 0; i < tokenLength; i++) {\n logicOnly += isLogic ? (t.Raw || t.Value)[i] : \" \";\n offsetMap.Add(t.Start + i);\n }\n lastPos = t.Start + tokenLength;\n });\n\n let cursor = 0;\n const pendingModifiers = new List();\n const scopeStack = new List(); // Tracks nesting (e.g., current class being parsed)\n // Refined scope management and traversal in SourceInspector.AnalyzeCode\n\n // ... existing code ...\n\n while (cursor < logicOnly.length) {\n // FIX 2a: Check if we've moved past the end of the current scope.\n if (scopeStack.Count > 0 && cursor >= scopeStack.Last().End.Offset) {\n scopeStack.RemoveAt(scopeStack.Count - 1); // Pop last element from stack (LIFO)\n }\n if (/\\s/.test(logicOnly[cursor])) {\n cursor++;\n continue;\n }\n const wordStart = cursor;\n while (\n cursor < logicOnly.length && /[a-zA-Z0-9_$]/.test(logicOnly[cursor])\n ) cursor++;\n const word = logicOnly.slice(wordStart, cursor);\n\n if (this.Modifiers.Contains(word)) {\n pendingModifiers.Add(word);\n continue;\n }\n\n if (\n this.Keywords.Contains(word) || this.IsMethod(logicOnly, word, cursor)\n ) {\n const kind = this.GetKind(word);\n let name = this.GetName(logicOnly, word, cursor);\n\n const startOffset = offsetMap.ToArray()[wordStart];\n const endOffset = this.FindBlockEnd(code, offsetMap.ToArray()[cursor]);\n // Corrected code in SourceInspector.AnalyzeCode\n\n // ...\n // --- NEW: Extract parameters from signature ---\n const definitionSignature = logicOnly.slice(\n wordStart,\n SourceInspector.FindBlockStart(logicOnly, wordStart),\n );\n // FIX: Correct case sensitivity in method call\n const parameters = SourceInspector.ExtractParameters(\n definitionSignature,\n );\n\n // --- NEW: Calculate metrics for code body ---\n const bodyCode = code.slice(startOffset, endOffset);\n // FIX: Correct case sensitivity in method call\n const metrics = SourceInspector.CalculateMetrics(\n bodyCode,\n SourceInspector.GetLocation(code, startOffset).Line,\n SourceInspector.GetLocation(code, endOffset).Line,\n );\n // ...\n\n // --- NEW: Create enhanced definition object ---\n const newDefinition: EnhancedDefinition = {\n Name: name,\n Kind: kind,\n FileName: fileName,\n Modifiers: new List(pendingModifiers),\n Start: this.GetLocation(code, startOffset),\n End: this.GetLocation(code, endOffset),\n parameters: parameters,\n metrics: metrics,\n children: new List(), // Initialize children list for hierarchy\n };\n // ... existing parsing logic ...\n\n if (\n this.Keywords.Contains(word) ||\n SourceInspector.IsMethod(logicOnly, word, cursor)\n ) {\n // ... definition creation logic ...\n\n // Add to hierarchy: Add definition to the last scope on the stack (immediate parent).\n if (scopeStack.Count > 0) {\n scopeStack.LastOrDefault().children.Add(newDefinition);\n } else {\n definitions.Add(newDefinition);\n }\n\n // --- FIX 2b: Manage scope stack for hierarchy ---\n // If it's a nesting structure, push to stack but DO NOT skip past the end offset.\n if (kind === \"class\" || kind === \"interface\" || kind === \"struct\") {\n scopeStack.Add(newDefinition);\n // Removed: cursor = endOffset; - allow subsequent iterations to find nested definitions within this scope.\n } else if (\n kind === \"function\" || kind === \"method\" || kind === \"variable\"\n ) {\n // Only non-nesting definitions (or function/method definitions that have no nested logic to parse) advance past their bodies.\n cursor = endOffset;\n }\n\n pendingModifiers.Clear();\n } else {\n if (word.length > 0) pendingModifiers.Clear();\n cursor++;\n }\n }\n }\n return definitions;\n }\n\n /** --- NEW: Extract parameters from a function signature string --- */\n public static ExtractParameters(signature: string): List {\n const paramsMatch = signature.match(/\$(.*?)\$/s);\n if (paramsMatch && paramsMatch[1]) {\n const paramsList = paramsMatch[1].split(\",\").map((param) =>\n param.trim().split(\":\")[0].trim()\n ).filter((p) => p.length > 0);\n return new List(paramsList);\n }\n return new List();\n }\n\n /** --- NEW: Calculate code complexity and line count for a definition body --- */\n public static CalculateMetrics(\n bodyCode: string,\n startLine: number,\n endLine: number,\n ): { lineCount: number; complexity: number } {\n // Line count calculation\n const lineCount = endLine - startLine;\n\n // Simplified cyclomatic complexity calculation (count of branching statements)\n let complexity = 1; // Base complexity of 1 for any function/method\n const complexityMatches = bodyCode.matchAll(\n /\\b(if|for|while|case|catch)\\b|\\&\\&|\\|\\|/g,\n );\n\n for (const match of complexityMatches) {\n complexity++;\n }\n\n return { lineCount, complexity };\n }\n\n /** --- Existing helper method (no change) --- */\n\n /** --- NEW helper method: finds start of definition body for hierarchy management --- */\n public static FindBlockStart(code: string, start: number): number {\n let cursor = start;\n while (cursor < code.length) {\n if (code[cursor] === \"{\" || code[cursor] === \"=\") return cursor;\n cursor++;\n }\n return cursor;\n }\n}\n\n/** Unified API Entry point */\nexport const CodeSense = {\n Validate: (text: string) => CodeValidator.Analyze(text),\n Lex: (js: string) => CodeValidator.LexJS(js),\n Inspect: (code: string, fileName: string) =>\n SourceInspector.ListDefinitions(code, fileName),\n};\n\nexport class CodeUtilities {\n public static GetLargestCodeBlock(text: string): string {\n const report = CodeValidator.Analyze(text);\n\n const blocks = report.Segments\n .OrderByDescending((s) => s.Value.length)\n .ToList();\n\n const codeBlocks = blocks.Where((s) => s.Type === \"code\").ToList();\n\n if (codeBlocks.Count > 0) {\n return codeBlocks.FirstOrDefault()!.Value;\n } else if (blocks.Count > 0) {\n // Fallback to largest segment if no code blocks found\n return blocks.FirstOrDefault()!.Value;\n } else {\n return text;\n }\n }\n\n /** Returns all segments from the analysis. */\n public static GetBlocks(text: string): Enumerable {\n const report = CodeValidator.Analyze(text);\n return report.Segments;\n }\n\n /** Returns only code segments. */\n public static GetCodeBlocks(text: string): Enumerable | null {\n const blocks = this.GetBlocks(text);\n const codeBlocks = blocks.Where((x) => x.Type === \"code\").ToList();\n if (!codeBlocks.IsEmpty()) {\n return codeBlocks;\n }\n return null;\n }\n\n /** Checks if any segments (prose or code) were found. */\n public static HasBlock(text: string): boolean {\n const report = this.GetBlocks(text);\n return !report.IsEmpty();\n }\n\n /** Checks if a code block was found. */\n public static HasCodeBlock(text: string): boolean {\n const report = this.GetCodeBlocks(text);\n return report !== null && !report.IsEmpty();\n }\n\n /** Concatenates all code blocks into a single string. */\n public static GetAllCodeJoined(text: string): string {\n const report = CodeValidator.Analyze(text);\n let codeSegments: Enumerable = report.Segments.Where((x) =>\n x.Type === \"code\"\n );\n\n return codeSegments\n .Select((s) => s.Value)\n .ToArray()\n .join(\"\\n\");\n }\n\n /** Wraps a given string in a Markdown code block with optional language. */\n public static CreateCodeBlock(code: string, lang: string = \"plain\"): string {\n return `\\`\\`\\`${lang}\\n${code}\\n\\`\\`\\``;\n }\n\n /** Copies text to the clipboard using the modern Clipboard API. */\n public static async CopyToClipboard(text: string): Promise {\n if (!navigator.clipboard) {\n console.warn(\n \"Clipboard API not available. Please ensure secure context (HTTPS) or user interaction.\",\n );\n return false;\n }\n try {\n await navigator.clipboard.writeText(text);\n return true;\n } catch (err) {\n console.error(\"Failed to copy text to clipboard:\", err);\n return false;\n }\n }\n\n /** Extracts code blocks from text and copies them to the clipboard. */\n public static async CopyCodeToClipboard(text: string): Promise {\n const code = this.GetAllCodeJoined(text);\n if (!code) {\n console.warn(\"No code blocks found to copy.\");\n return false;\n }\n return await this.CopyToClipboard(code);\n }\n\n /** Reads text from the clipboard using the modern Clipboard API. */\n public static async ReadFromClipboard(): Promise {\n if (!navigator.clipboard) {\n console.warn(\n \"Clipboard API not available. Please ensure secure context (HTTPS) or user interaction.\",\n );\n return null;\n }\n try {\n const text = await navigator.clipboard.readText();\n return text;\n } catch (err) {\n if (err instanceof DOMException && err.name === \"NotAllowedError\") {\n console.warn(\n \"Clipboard read permission denied by user. Requires user gesture.\",\n );\n } else {\n console.error(\"Failed to read text from clipboard:\", err);\n }\n return null;\n }\n }\n\n /** Reads text from clipboard, extracts code blocks, and returns them joined. */\n public static async ReadCodeFromClipboard(): Promise {\n const clipboardText = await this.ReadFromClipboard();\n if (clipboardText) {\n return this.GetAllCodeJoined(clipboardText);\n }\n return null;\n }\n}\n\nexport function loadExtensions() {\n const install = (target: any, name: string, value: any) => {\n if (!Object.prototype.hasOwnProperty.call(target, name)) {\n Object.defineProperty(target, name, {\n value,\n writable: false,\n enumerable: false,\n configurable: false,\n });\n }\n };\n\n const globals: Record = {\n String: String.prototype,\n Object: Object.prototype,\n Array: Array.prototype,\n };\n\n for (const g of Object.keys(globals)) {\n const proto = globals[g];\n const names = Object.getOwnPropertyNames(proto);\n\n for (const name of names) {\n const desc 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Diff · v1169