- Updated all component headers and documentation
- Changed navbar and footer branding
- Updated homepage hero badge
- Modified page title in index.html
- Simplified footer text to 'Built with ❤️'
- Consistent V2 capitalization across all references
162 lines
5.1 KiB
JavaScript
162 lines
5.1 KiB
JavaScript
// text-polyfill.ts
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// Minimal encode/decode for utf-8, utf-16le, ascii, latin1, windows-1252
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const WINDOWS_1252_EXTRA = {
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0x80: "€", 0x82: "‚", 0x83: "ƒ", 0x84: "„", 0x85: "…", 0x86: "†",
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0x87: "‡", 0x88: "ˆ", 0x89: "‰", 0x8a: "Š", 0x8b: "‹", 0x8c: "Œ",
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0x8e: "Ž", 0x91: "‘", 0x92: "’", 0x93: "“", 0x94: "”", 0x95: "•",
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0x96: "–", 0x97: "—", 0x98: "˜", 0x99: "™", 0x9a: "š", 0x9b: "›",
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0x9c: "œ", 0x9e: "ž", 0x9f: "Ÿ",
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};
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const WINDOWS_1252_REVERSE = {};
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for (const [code, char] of Object.entries(WINDOWS_1252_EXTRA)) {
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WINDOWS_1252_REVERSE[char] = Number.parseInt(code);
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}
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/**
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* Decode text from binary data
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* @param bytes Binary data
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* @param encoding Encoding
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*/
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export function textDecode(bytes, encoding = "utf-8") {
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switch (encoding.toLowerCase()) {
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case "utf-8":
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case "utf8":
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if (typeof globalThis.TextDecoder !== "undefined") {
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return new globalThis.TextDecoder("utf-8").decode(bytes);
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}
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return decodeUTF8(bytes);
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case "utf-16le":
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return decodeUTF16LE(bytes);
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case "ascii":
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return decodeASCII(bytes);
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case "latin1":
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case "iso-8859-1":
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return decodeLatin1(bytes);
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case "windows-1252":
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return decodeWindows1252(bytes);
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default:
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throw new RangeError(`Encoding '${encoding}' not supported`);
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}
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}
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export function textEncode(input = "", encoding = "utf-8") {
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switch (encoding.toLowerCase()) {
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case "utf-8":
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case "utf8":
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if (typeof globalThis.TextEncoder !== "undefined") {
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return new globalThis.TextEncoder().encode(input);
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}
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return encodeUTF8(input);
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case "utf-16le":
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return encodeUTF16LE(input);
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case "ascii":
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return encodeASCII(input);
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case "latin1":
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case "iso-8859-1":
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return encodeLatin1(input);
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case "windows-1252":
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return encodeWindows1252(input);
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default:
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throw new RangeError(`Encoding '${encoding}' not supported`);
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}
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}
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// --- Internal helpers ---
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function decodeUTF8(bytes) {
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let out = "";
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let i = 0;
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while (i < bytes.length) {
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const b1 = bytes[i++];
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if (b1 < 0x80) {
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out += String.fromCharCode(b1);
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}
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else if (b1 < 0xe0) {
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const b2 = bytes[i++] & 0x3f;
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out += String.fromCharCode(((b1 & 0x1f) << 6) | b2);
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}
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else if (b1 < 0xf0) {
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const b2 = bytes[i++] & 0x3f;
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const b3 = bytes[i++] & 0x3f;
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out += String.fromCharCode(((b1 & 0x0f) << 12) | (b2 << 6) | b3);
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}
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else {
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const b2 = bytes[i++] & 0x3f;
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const b3 = bytes[i++] & 0x3f;
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const b4 = bytes[i++] & 0x3f;
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let cp = ((b1 & 0x07) << 18) |
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(b2 << 12) |
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(b3 << 6) |
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b4;
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cp -= 0x10000;
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out += String.fromCharCode(0xd800 + ((cp >> 10) & 0x3ff), 0xdc00 + (cp & 0x3ff));
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}
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}
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return out;
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}
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function decodeUTF16LE(bytes) {
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let out = "";
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for (let i = 0; i < bytes.length; i += 2) {
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out += String.fromCharCode(bytes[i] | (bytes[i + 1] << 8));
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}
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return out;
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}
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function decodeASCII(bytes) {
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return String.fromCharCode(...bytes.map((b) => b & 0x7f));
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}
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function decodeLatin1(bytes) {
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return String.fromCharCode(...bytes);
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}
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function decodeWindows1252(bytes) {
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let out = "";
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for (const b of bytes) {
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if (b >= 0x80 && b <= 0x9f && WINDOWS_1252_EXTRA[b]) {
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out += WINDOWS_1252_EXTRA[b];
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}
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else {
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out += String.fromCharCode(b);
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}
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}
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return out;
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}
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function encodeUTF8(str) {
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const out = [];
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for (let i = 0; i < str.length; i++) {
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const cp = str.charCodeAt(i);
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if (cp < 0x80) {
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out.push(cp);
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}
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else if (cp < 0x800) {
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out.push(0xc0 | (cp >> 6), 0x80 | (cp & 0x3f));
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}
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else if (cp < 0x10000) {
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out.push(0xe0 | (cp >> 12), 0x80 | ((cp >> 6) & 0x3f), 0x80 | (cp & 0x3f));
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}
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else {
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out.push(0xf0 | (cp >> 18), 0x80 | ((cp >> 12) & 0x3f), 0x80 | ((cp >> 6) & 0x3f), 0x80 | (cp & 0x3f));
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}
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}
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return new Uint8Array(out);
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}
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function encodeUTF16LE(str) {
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const out = new Uint8Array(str.length * 2);
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for (let i = 0; i < str.length; i++) {
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const code = str.charCodeAt(i);
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out[i * 2] = code & 0xff;
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out[i * 2 + 1] = code >> 8;
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}
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return out;
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}
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function encodeASCII(str) {
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return new Uint8Array([...str].map((ch) => ch.charCodeAt(0) & 0x7f));
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}
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function encodeLatin1(str) {
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return new Uint8Array([...str].map((ch) => ch.charCodeAt(0) & 0xff));
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}
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function encodeWindows1252(str) {
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return new Uint8Array([...str].map((ch) => {
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const code = ch.charCodeAt(0);
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if (code <= 0xff)
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return code;
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if (WINDOWS_1252_REVERSE[ch] !== undefined)
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return WINDOWS_1252_REVERSE[ch];
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return 0x3f; // '?'
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}));
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}
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