// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
// The following code is based off of text-encoding at:
// https://github.com/inexorabletash/text-encoding
//
// Anyone is free to copy, modify, publish, use, compile, sell, or
// distribute this software, either in source code form or as a compiled
// binary, for any purpose, commercial or non-commercial, and by any
// means.
//
// In jurisdictions that recognize copyright laws, the author or authors
// of this software dedicate any and all copyright interest in the
// software to the public domain. We make this dedication for the benefit
// of the public at large and to the detriment of our heirs and
// successors. We intend this dedication to be an overt act of
// relinquishment in perpetuity of all present and future rights to this
// software under copyright law.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
((window) => {
const core = Deno.core;
const CONTINUE = null;
const END_OF_STREAM = -1;
const FINISHED = -1;
function decoderError(fatal) {
if (fatal) {
throw new TypeError("Decoder error.");
}
return 0xfffd; // default code point
}
function inRange(a, min, max) {
return min <= a && a <= max;
}
function isASCIIByte(a) {
return inRange(a, 0x00, 0x7f);
}
function stringToCodePoints(input) {
const u = [];
for (const c of input) {
u.push(c.codePointAt(0));
}
return u;
}
class UTF8Encoder {
handler(codePoint) {
if (codePoint === END_OF_STREAM) {
return "finished";
}
if (inRange(codePoint, 0x00, 0x7f)) {
return [codePoint];
}
let count;
let offset;
if (inRange(codePoint, 0x0080, 0x07ff)) {
count = 1;
offset = 0xc0;
} else if (inRange(codePoint, 0x0800, 0xffff)) {
count = 2;
offset = 0xe0;
} else if (inRange(codePoint, 0x10000, 0x10ffff)) {
count = 3;
offset = 0xf0;
} else {
throw TypeError(
`Code point out of range: \\x${codePoint.toString(16)}`,
);
}
const bytes = [(codePoint >> (6 * count)) + offset];
while (count > 0) {
const temp = codePoint >> (6 * (count - 1));
bytes.push(0x80 | (temp & 0x3f));
count--;
}
return bytes;
}
}
function atob(s) {
s = String(s);
s = s.replace(/[\t\n\f\r ]/g, "");
if (s.length % 4 === 0) {
s = s.replace(/==?$/, "");
}
const rem = s.length % 4;
if (rem === 1 || /[^+/0-9A-Za-z]/.test(s)) {
throw new DOMException(
"The string to be decoded is not correctly encoded",
"InvalidCharacterError",
);
}
// base64-js requires length exactly times of 4
if (rem > 0) {
s = s.padEnd(s.length + (4 - rem), "=");
}
const byteArray = base64.toByteArray(s);
let result = "";
for (let i = 0; i < byteArray.length; i++) {
result += String.fromCharCode(byteArray[i]);
}
return result;
}
function btoa(s) {
const byteArray = [];
for (let i = 0; i < s.length; i++) {
const charCode = s[i].charCodeAt(0);
if (charCode > 0xff) {
throw new TypeError(
"The string to be encoded contains characters " +
"outside of the Latin1 range.",
);
}
byteArray.push(charCode);
}
const result = base64.fromByteArray(Uint8Array.from(byteArray));
return result;
}
class SingleByteDecoder {
#index = [];
#fatal = false;
constructor(index, { ignoreBOM = false, fatal = false } = {}) {
if (ignoreBOM) {
throw new TypeError("Ignoring the BOM is available only with utf-8.");
}
this.#fatal = fatal;
this.#index = index;
}
handler(_stream, byte) {
if (byte === END_OF_STREAM) {
return FINISHED;
}
if (isASCIIByte(byte)) {
return byte;
}
const codePoint = this.#index[byte - 0x80];
if (codePoint == null) {
return decoderError(this.#fatal);
}
return codePoint;
}
}
// The encodingMap is a hash of labels that are indexed by the conical
// encoding.
const encodingMap = {
"utf-8": [
"unicode-1-1-utf-8",
"unicode11utf8",
"unicode20utf8",
"utf-8",
"utf8",
"x-unicode20utf8",
],
ibm866: ["866", "cp866", "csibm866", "ibm866"],
"iso-8859-2": [
"csisolatin2",
"iso-8859-2",
"iso-ir-101",
"iso8859-2",
"iso88592",
"iso_8859-2",
"iso_8859-2:1987",
"l2",
"latin2",
],
"iso-8859-3": [
"csisolatin3",
"iso-8859-3",
"iso-ir-109",
"iso8859-3",
"iso88593",
"iso_8859-3",
"iso_8859-3:1988",
"l3",
"latin3",
],
"iso-8859-4": [
"csisolatin4",
"iso-8859-4",
"iso-ir-110",
"iso8859-4",
"iso88594",
"iso_8859-4",
"iso_8859-4:1988",
"l4",
"latin4",
],
"iso-8859-5": [
"csisolatincyrillic",
"cyrillic",
"iso-8859-5",
"iso-ir-144",
"iso8859-5",
"iso88595",
"iso_8859-5",
"iso_8859-5:1988",
],
"iso-8859-6": [
"arabic",
"asmo-708",
"csiso88596e",
"csiso88596i",
"csisolatinarabic",
"ecma-114",
"iso-8859-6",
"iso-8859-6-e",
"iso-8859-6-i",
"iso-ir-127",
"iso8859-6",
"iso88596",
"iso_8859-6",
"iso_8859-6:1987",
],
"iso-8859-7": [
"csisolatingreek",
"ecma-118",
"elot_928",
"greek",
"greek8",
"iso-8859-7",
"iso-ir-126",
"iso8859-7",
"iso88597",
"iso_8859-7",
"iso_8859-7:1987",
"sun_eu_greek",
],
"iso-8859-8": [
"csiso88598e",
"csisolatinhebrew",
"hebrew",
"iso-8859-8",
"iso-8859-8-e",
"iso-ir-138",
"iso8859-8",
"iso88598",
"iso_8859-8",
"iso_8859-8:1988",
"visual",
],
"iso-8859-8-i": [
"csiso88598i",
"iso-8859-8-i",
"logical",
],
"iso-8859-10": [
"csisolatin6",
"iso-8859-10",
"iso-ir-157",
"iso8859-10",
"iso885910",
"l6",
"latin6",
],
"iso-8859-13": ["iso-8859-13", "iso8859-13", "iso885913"],
"iso-8859-14": ["iso-8859-14", "iso8859-14", "iso885914"],
"iso-8859-15": [
"csisolatin9",
"iso-8859-15",
"iso8859-15",
"iso885915",
"iso_8859-15",
"l9",
],
"iso-8859-16": ["iso-8859-16"],
"koi8-r": ["cskoi8r", "koi", "koi8", "koi8-r", "koi8_r"],
"koi8-u": ["koi8-ru", "koi8-u"],
macintosh: ["csmacintosh", "mac", "macintosh", "x-mac-roman"],
"windows-874": [
"dos-874",
"iso-8859-11",
"iso8859-11",
"iso885911",
"tis-620",
"windows-874",
],
"windows-1250": ["cp1250", "windows-1250", "x-cp1250"],
"windows-1251": ["cp1251", "windows-1251", "x-cp1251"],
"windows-1252": [
"ansi_x3.4-1968",
"ascii",
"cp1252",
"cp819",
"csisolatin1",
"ibm819",
"iso-8859-1",
"iso-ir-100",
"iso8859-1",
"iso88591",
"iso_8859-1",
"iso_8859-1:1987",
"l1",
"latin1",
"us-ascii",
"windows-1252",
"x-cp1252",
],
"windows-1253": ["cp1253", "windows-1253", "x-cp1253"],
"windows-1254": [
"cp1254",
"csisolatin5",
"iso-8859-9",
"iso-ir-148",
"iso8859-9",
"iso88599",
"iso_8859-9",
"iso_8859-9:1989",
"l5",
"latin5",
"windows-1254",
"x-cp1254",
],
"windows-1255": ["cp1255", "windows-1255", "x-cp1255"],
"windows-1256": ["cp1256", "windows-1256", "x-cp1256"],
"windows-1257": ["cp1257", "windows-1257", "x-cp1257"],
"windows-1258": ["cp1258", "windows-1258", "x-cp1258"],
"x-mac-cyrillic": ["x-mac-cyrillic", "x-mac-ukrainian"],
gbk: [
"chinese",
"csgb2312",
"csiso58gb231280",
"gb2312",
"gb_2312",
"gb_2312-80",
"gbk",
"iso-ir-58",
"x-gbk",
],
gb18030: ["gb18030"],
big5: ["big5", "big5-hkscs", "cn-big5", "csbig5", "x-x-big5"],
};
// We convert these into a Map where every label resolves to its canonical
// encoding type.
const encodings = new Map();
for (const key of Object.keys(encodingMap)) {
const labels = encodingMap[key];
for (const label of labels) {
encodings.set(label, key);
}
}
// A map of functions that return new instances of a decoder indexed by the
// encoding type.
const decoders = new Map();
// Single byte decoders are an array of code point lookups
const encodingIndexes = new Map();
// deno-fmt-ignore
encodingIndexes.set("windows-1252", [
8364, 129, 8218, 402, 8222, 8230, 8224, 8225, 710,
8240, 352, 8249, 338, 141, 381, 143, 144,
8216, 8217, 8220, 8221, 8226, 8211, 8212, 732,
8482, 353, 8250, 339, 157, 382, 376, 160,
161, 162, 163, 164, 165, 166, 167, 168,
169, 170, 171, 172, 173, 174, 175, 176,
177, 178, 179, 180, 181, 182, 183, 184,
185, 186, 187, 188, 189, 190, 191, 192,
193, 194, 195, 196, 197, 198, 199, 200,
201, 202, 203, 204, 205, 206, 207, 208,
209, 210, 211, 212, 213, 214, 215, 216,
217, 218, 219, 220, 221, 222, 223, 224,
225, 226, 227, 228, 229, 230, 231, 232,
233, 234, 235, 236, 237, 238, 239, 240,
241, 242, 243, 244, 245, 246, 247, 248,
249, 250, 251, 252, 253, 254, 255,
]);
// deno-fmt-ignore
encodingIndexes.set("ibm866", [
1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047,
1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055,
1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071,
1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079,
1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087,
9617, 9618, 9619, 9474, 9508, 9569, 9570, 9558,
9557, 9571, 9553, 9559, 9565, 9564, 9563, 9488,
9492, 9524, 9516, 9500, 9472, 9532, 9566, 9567,
9562, 9556, 9577, 9574, 9568, 9552, 9580, 9575,
9576, 9572, 9573, 9561, 9560, 9554, 9555, 9579,
9578, 9496, 9484, 9608, 9604, 9612, 9616, 9600,
1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095,
1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103,
1025, 1105, 1028, 1108, 1031, 1111, 1038, 1118,
176, 8729, 183, 8730, 8470, 164, 9632, 160,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-2", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 260, 728, 321, 164, 317, 346, 167,
168, 352, 350, 356, 377, 173, 381, 379,
176, 261, 731, 322, 180, 318, 347, 711,
184, 353, 351, 357, 378, 733, 382, 380,
340, 193, 194, 258, 196, 313, 262, 199,
268, 201, 280, 203, 282, 205, 206, 270,
272, 323, 327, 211, 212, 336, 214, 215,
344, 366, 218, 368, 220, 221, 354, 223,
341, 225, 226, 259, 228, 314, 263, 231,
269, 233, 281, 235, 283, 237, 238, 271,
273, 324, 328, 243, 244, 337, 246, 247,
345, 367, 250, 369, 252, 253, 355, 729,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-3", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 294, 728, 163, 164, null, 292, 167,
168, 304, 350, 286, 308, 173, null, 379,
176, 295, 178, 179, 180, 181, 293, 183,
184, 305, 351, 287, 309, 189, null, 380,
192, 193, 194, null, 196, 266, 264, 199,
200, 201, 202, 203, 204, 205, 206, 207,
null, 209, 210, 211, 212, 288, 214, 215,
284, 217, 218, 219, 220, 364, 348, 223,
224, 225, 226, null, 228, 267, 265, 231,
232, 233, 234, 235, 236, 237, 238, 239,
null, 241, 242, 243, 244, 289, 246, 247,
285, 249, 250, 251, 252, 365, 349, 729,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-4", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 260, 312, 342, 164, 296, 315, 167,
168, 352, 274, 290, 358, 173, 381, 175,
176, 261, 731, 343, 180, 297, 316, 711,
184, 353, 275, 291, 359, 330, 382, 331,
256, 193, 194, 195, 196, 197, 198, 302,
268, 201, 280, 203, 278, 205, 206, 298,
272, 325, 332, 310, 212, 213, 214, 215,
216, 370, 218, 219, 220, 360, 362, 223,
257, 225, 226, 227, 228, 229, 230, 303,
269, 233, 281, 235, 279, 237, 238, 299,
273, 326, 333, 311, 244, 245, 246, 247,
248, 371, 250, 251, 252, 361, 363, 729,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-5", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 1025, 1026, 1027, 1028, 1029, 1030, 1031,
1032, 1033, 1034, 1035, 1036, 173, 1038, 1039,
1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047,
1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055,
1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071,
1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079,
1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087,
1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095,
1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103,
8470, 1105, 1106, 1107, 1108, 1109, 1110, 1111,
1112, 1113, 1114, 1115, 1116, 167, 1118, 1119,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-6", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, null, null, null, 164, null, null, null,
null, null, null, null, 1548, 173, null, null,
null, null, null, null, null, null, null, null,
null, null, null, 1563, null, null, null, 1567,
null, 1569, 1570, 1571, 1572, 1573, 1574, 1575,
1576, 1577, 1578, 1579, 1580, 1581, 1582, 1583,
1584, 1585, 1586, 1587, 1588, 1589, 1590, 1591,
1592, 1593, 1594, null, null, null, null, null,
1600, 1601, 1602, 1603, 1604, 1605, 1606, 1607,
1608, 1609, 1610, 1611, 1612, 1613, 1614, 1615,
1616, 1617, 1618, null, null, null, null, null,
null, null, null, null, null, null, null, null,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-7", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 8216, 8217, 163, 8364, 8367, 166, 167,
168, 169, 890, 171, 172, 173, null, 8213,
176, 177, 178, 179, 900, 901, 902, 183,
904, 905, 906, 187, 908, 189, 910, 911,
912, 913, 914, 915, 916, 917, 918, 919,
920, 921, 922, 923, 924, 925, 926, 927,
928, 929, null, 931, 932, 933, 934, 935,
936, 937, 938, 939, 940, 941, 942, 943,
944, 945, 946, 947, 948, 949, 950, 951,
952, 953, 954, 955, 956, 957, 958, 959,
960, 961, 962, 963, 964, 965, 966, 967,
968, 969, 970, 971, 972, 973, 974, null,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-8", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, null, 162, 163, 164, 165, 166, 167,
168, 169, 215, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 247, 187, 188, 189, 190, null,
null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, 8215,
1488, 1489, 1490, 1491, 1492, 1493, 1494, 1495,
1496, 1497, 1498, 1499, 1500, 1501, 1502, 1503,
1504, 1505, 1506, 1507, 1508, 1509, 1510, 1511,
1512, 1513, 1514, null, null, 8206, 8207, null,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-8-i", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, null, 162, 163, 164, 165, 166, 167,
168, 169, 215, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 247, 187, 188, 189, 190, null,
null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, 8215,
1488, 1489, 1490, 1491, 1492, 1493, 1494, 1495,
1496, 1497, 1498, 1499, 1500, 1501, 1502, 1503,
1504, 1505, 1506, 1507, 1508, 1509, 1510, 1511,
1512, 1513, 1514, null, null, 8206, 8207, null,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-10", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 260, 274, 290, 298, 296, 310, 167,
315, 272, 352, 358, 381, 173, 362, 330,
176, 261, 275, 291, 299, 297, 311, 183,
316, 273, 353, 359, 382, 8213, 363, 331,
256, 193, 194, 195, 196, 197, 198, 302,
268, 201, 280, 203, 278, 205, 206, 207,
208, 325, 332, 211, 212, 213, 214, 360,
216, 370, 218, 219, 220, 221, 222, 223,
257, 225, 226, 227, 228, 229, 230, 303,
269, 233, 281, 235, 279, 237, 238, 239,
240, 326, 333, 243, 244, 245, 246, 361,
248, 371, 250, 251, 252, 253, 254, 312,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-13", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 8221, 162, 163, 164, 8222, 166, 167,
216, 169, 342, 171, 172, 173, 174, 198,
176, 177, 178, 179, 8220, 181, 182, 183,
248, 185, 343, 187, 188, 189, 190, 230,
260, 302, 256, 262, 196, 197, 280, 274,
268, 201, 377, 278, 290, 310, 298, 315,
352, 323, 325, 211, 332, 213, 214, 215,
370, 321, 346, 362, 220, 379, 381, 223,
261, 303, 257, 263, 228, 229, 281, 275,
269, 233, 378, 279, 291, 311, 299, 316,
353, 324, 326, 243, 333, 245, 246, 247,
371, 322, 347, 363, 252, 380, 382, 8217,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-14", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 7682, 7683, 163, 266, 267, 7690, 167,
7808, 169, 7810, 7691, 7922, 173, 174, 376,
7710, 7711, 288, 289, 7744, 7745, 182, 7766,
7809, 7767, 7811, 7776, 7923, 7812, 7813, 7777,
192, 193, 194, 195, 196, 197, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207,
372, 209, 210, 211, 212, 213, 214, 7786,
216, 217, 218, 219, 220, 221, 374, 223,
224, 225, 226, 227, 228, 229, 230, 231,
232, 233, 234, 235, 236, 237, 238, 239,
373, 241, 242, 243, 244, 245, 246, 7787,
248, 249, 250, 251, 252, 253, 375, 255,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-15", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 161, 162, 163, 8364, 165, 352, 167,
353, 169, 170, 171, 172, 173, 174, 175,
176, 177, 178, 179, 381, 181, 182, 183,
382, 185, 186, 187, 338, 339, 376, 191,
192, 193, 194, 195, 196, 197, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207,
208, 209, 210, 211, 212, 213, 214, 215,
216, 217, 218, 219, 220, 221, 222, 223,
224, 225, 226, 227, 228, 229, 230, 231,
232, 233, 234, 235, 236, 237, 238, 239,
240, 241, 242, 243, 244, 245, 246, 247,
248, 249, 250, 251, 252, 253, 254, 255,
]);
// deno-fmt-ignore
encodingIndexes.set("iso-8859-16", [
128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159,
160, 260, 261, 321, 8364, 8222, 352, 167,
353, 169, 536, 171, 377, 173, 378, 379,
176, 177, 268, 322, 381, 8221, 182, 183,
382, 269, 537, 187, 338, 339, 376, 380,
192, 193, 194, 258, 196, 262, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207,
272, 323, 210, 211, 212, 336, 214, 346,
368, 217, 218, 219, 220, 280, 538, 223,
224, 225, 226, 259, 228, 263, 230, 231,
232, 233, 234, 235, 236, 237, 238, 239,
273, 324, 242, 243, 244, 337, 246, 347,
369, 249, 250, 251, 252, 281, 539, 255,
]);
// deno-fmt-ignore
encodingIndexes.set("koi8-r", [
9472, 9474, 9484, 9488, 9492, 9496, 9500, 9508,
9516, 9524, 9532, 9600, 9604, 9608, 9612, 9616,
9617, 9618, 9619, 8992, 9632, 8729, 8730, 8776,
8804, 8805, 160, 8993, 176, 178, 183, 247,
9552, 9553, 9554, 1105, 9555, 9556, 9557, 9558,
9559, 9560, 9561, 9562, 9563, 9564, 9565, 9566,
9567, 9568, 9569, 1025, 9570, 9571, 9572, 9573,
9574, 9575, 9576, 9577, 9578, 9579, 9580, 169,
1102, 1072, 1073, 1094, 1076, 1077, 1092, 1075,
1093, 1080, 1081, 1082, 1083, 1084, 1085, 1086,
1087, 1103, 1088, 1089, 1090, 1091, 1078, 1074,
1100, 1099, 1079, 1096, 1101, 1097, 1095, 1098,
1070, 1040, 1041, 1062, 1044, 1045, 1060, 1043,
1061, 1048, 1049, 1050, 1051, 1052, 1053, 1054,
1055, 1071, 1056, 1057, 1058, 1059, 1046, 1042,
1068, 1067, 1047, 1064, 1069, 1065, 1063, 1066,
]);
// deno-fmt-ignore
encodingIndexes.set("koi8-u", [
9472, 9474, 9484, 9488, 9492, 9496, 9500, 9508,
9516, 9524, 9532, 9600, 9604, 9608, 9612, 9616,
9617, 9618, 9619, 8992, 9632, 8729, 8730, 8776,
8804, 8805, 160, 8993, 176, 178, 183, 247,
9552, 9553, 9554, 1105, 1108, 9556, 1110, 1111,
9559, 9560, 9561, 9562, 9563, 1169, 1118, 9566,
9567, 9568, 9569, 1025, 1028, 9571, 1030, 1031,
9574, 9575, 9576, 9577, 9578, 1168, 1038, 169,
1102, 1072, 1073, 1094, 1076, 1077, 1092, 1075,
1093, 1080, 1081, 1082, 1083, 1084, 1085, 1086,
1087, 1103, 1088, 1089, 1090, 1091, 1078, 1074,
1100, 1099, 1079, 1096, 1101, 1097, 1095, 1098,
1070, 1040, 1041, 1062, 1044, 1045, 1060, 1043,
1061, 1048, 1049, 1050, 1051, 1052, 1053, 1054,
1055, 1071, 1056, 1057, 1058, 1059, 1046, 1042,
1068, 1067, 1047, 1064, 1069, 1065, 1063, 1066,
]);
// deno-fmt-ignore
encodingIndexes.set("macintosh", [
196, 197, 199, 201, 209, 214, 220, 225,
224, 226, 228, 227, 229, 231, 233, 232,
234, 235, 237, 236, 238, 239, 241, 243,
242, 244, 246, 245, 250, 249, 251, 252,
8224, 176, 162, 163, 167, 8226, 182, 223,
174, 169, 8482, 180, 168, 8800, 198, 216,
8734, 177, 8804, 8805, 165, 181, 8706, 8721,
8719, 960, 8747, 170, 186, 937, 230, 248,
191, 161, 172, 8730, 402, 8776, 8710, 171,
187, 8230, 160, 192, 195, 213, 338, 339,
8211, 8212, 8220, 8221, 8216, 8217, 247, 9674,
255, 376, 8260, 8364, 8249, 8250, 64257, 64258,
8225, 183, 8218, 8222, 8240, 194, 202, 193,
203, 200, 205, 206, 207, 204, 211, 212,
63743, 210, 218, 219, 217, 305, 710, 732,
175, 728, 729, 730, 184, 733, 731, 711,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-874", [
8364, 129, 130, 131, 132, 8230, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
152, 153, 154, 155, 156, 157, 158, 159,
160, 3585, 3586, 3587, 3588, 3589, 3590, 3591,
3592, 3593, 3594, 3595, 3596, 3597, 3598, 3599,
3600, 3601, 3602, 3603, 3604, 3605, 3606, 3607,
3608, 3609, 3610, 3611, 3612, 3613, 3614, 3615,
3616, 3617, 3618, 3619, 3620, 3621, 3622, 3623,
3624, 3625, 3626, 3627, 3628, 3629, 3630, 3631,
3632, 3633, 3634, 3635, 3636, 3637, 3638, 3639,
3640, 3641, 3642, null, null, null, null, 3647,
3648, 3649, 3650, 3651, 3652, 3653, 3654, 3655,
3656, 3657, 3658, 3659, 3660, 3661, 3662, 3663,
3664, 3665, 3666, 3667, 3668, 3669, 3670, 3671,
3672, 3673, 3674, 3675, null, null, null, null,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1250", [
8364, 129, 8218, 131, 8222, 8230, 8224, 8225,
136, 8240, 352, 8249, 346, 356, 381, 377,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
152, 8482, 353, 8250, 347, 357, 382, 378,
160, 711, 728, 321, 164, 260, 166, 167,
168, 169, 350, 171, 172, 173, 174, 379,
176, 177, 731, 322, 180, 181, 182, 183,
184, 261, 351, 187, 317, 733, 318, 380,
340, 193, 194, 258, 196, 313, 262, 199,
268, 201, 280, 203, 282, 205, 206, 270,
272, 323, 327, 211, 212, 336, 214, 215,
344, 366, 218, 368, 220, 221, 354, 223,
341, 225, 226, 259, 228, 314, 263, 231,
269, 233, 281, 235, 283, 237, 238, 271,
273, 324, 328, 243, 244, 337, 246, 247,
345, 367, 250, 369, 252, 253, 355, 729,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1251", [
1026, 1027, 8218, 1107, 8222, 8230, 8224, 8225,
8364, 8240, 1033, 8249, 1034, 1036, 1035, 1039,
1106, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
152, 8482, 1113, 8250, 1114, 1116, 1115, 1119,
160, 1038, 1118, 1032, 164, 1168, 166, 167,
1025, 169, 1028, 171, 172, 173, 174, 1031,
176, 177, 1030, 1110, 1169, 181, 182, 183,
1105, 8470, 1108, 187, 1112, 1029, 1109, 1111,
1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047,
1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055,
1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071,
1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079,
1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087,
1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095,
1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1253", [
8364, 129, 8218, 402, 8222, 8230, 8224, 8225,
136, 8240, 138, 8249, 140, 141, 142, 143,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
152, 8482, 154, 8250, 156, 157, 158, 159,
160, 901, 902, 163, 164, 165, 166, 167,
168, 169, null, 171, 172, 173, 174, 8213,
176, 177, 178, 179, 900, 181, 182, 183,
904, 905, 906, 187, 908, 189, 910, 911,
912, 913, 914, 915, 916, 917, 918, 919,
920, 921, 922, 923, 924, 925, 926, 927,
928, 929, null, 931, 932, 933, 934, 935,
936, 937, 938, 939, 940, 941, 942, 943,
944, 945, 946, 947, 948, 949, 950, 951,
952, 953, 954, 955, 956, 957, 958, 959,
960, 961, 962, 963, 964, 965, 966, 967,
968, 969, 970, 971, 972, 973, 974, null,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1254", [
8364, 129, 8218, 402, 8222, 8230, 8224, 8225,
710, 8240, 352, 8249, 338, 141, 142, 143,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
732, 8482, 353, 8250, 339, 157, 158, 376,
160, 161, 162, 163, 164, 165, 166, 167,
168, 169, 170, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207,
286, 209, 210, 211, 212, 213, 214, 215,
216, 217, 218, 219, 220, 304, 350, 223,
224, 225, 226, 227, 228, 229, 230, 231,
232, 233, 234, 235, 236, 237, 238, 239,
287, 241, 242, 243, 244, 245, 246, 247,
248, 249, 250, 251, 252, 305, 351, 255,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1255", [
8364, 129, 8218, 402, 8222, 8230, 8224, 8225,
710, 8240, 138, 8249, 140, 141, 142, 143,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
732, 8482, 154, 8250, 156, 157, 158, 159,
160, 161, 162, 163, 8362, 165, 166, 167,
168, 169, 215, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 247, 187, 188, 189, 190, 191,
1456, 1457, 1458, 1459, 1460, 1461, 1462, 1463,
1464, 1465, 1466, 1467, 1468, 1469, 1470, 1471,
1472, 1473, 1474, 1475, 1520, 1521, 1522, 1523,
1524, null, null, null, null, null, null, null,
1488, 1489, 1490, 1491, 1492, 1493, 1494, 1495,
1496, 1497, 1498, 1499, 1500, 1501, 1502, 1503,
1504, 1505, 1506, 1507, 1508, 1509, 1510, 1511,
1512, 1513, 1514, null, null, 8206, 8207, null,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1256", [
8364, 1662, 8218, 402, 8222, 8230, 8224, 8225,
710, 8240, 1657, 8249, 338, 1670, 1688, 1672,
1711, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
1705, 8482, 1681, 8250, 339, 8204, 8205, 1722,
160, 1548, 162, 163, 164, 165, 166, 167,
168, 169, 1726, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 1563, 187, 188, 189, 190, 1567,
1729, 1569, 1570, 1571, 1572, 1573, 1574, 1575,
1576, 1577, 1578, 1579, 1580, 1581, 1582, 1583,
1584, 1585, 1586, 1587, 1588, 1589, 1590, 215,
1591, 1592, 1593, 1594, 1600, 1601, 1602, 1603,
224, 1604, 226, 1605, 1606, 1607, 1608, 231,
232, 233, 234, 235, 1609, 1610, 238, 239,
1611, 1612, 1613, 1614, 244, 1615, 1616, 247,
1617, 249, 1618, 251, 252, 8206, 8207, 1746,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1257", [
8364, 129, 8218, 131, 8222, 8230, 8224, 8225,
136, 8240, 138, 8249, 140, 168, 711, 184,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
152, 8482, 154, 8250, 156, 175, 731, 159,
160, null, 162, 163, 164, null, 166, 167,
216, 169, 342, 171, 172, 173, 174, 198,
176, 177, 178, 179, 180, 181, 182, 183,
248, 185, 343, 187, 188, 189, 190, 230,
260, 302, 256, 262, 196, 197, 280, 274,
268, 201, 377, 278, 290, 310, 298, 315,
352, 323, 325, 211, 332, 213, 214, 215,
370, 321, 346, 362, 220, 379, 381, 223,
261, 303, 257, 263, 228, 229, 281, 275,
269, 233, 378, 279, 291, 311, 299, 316,
353, 324, 326, 243, 333, 245, 246, 247,
371, 322, 347, 363, 252, 380, 382, 729,
]);
// deno-fmt-ignore
encodingIndexes.set("windows-1258", [
8364, 129, 8218, 402, 8222, 8230, 8224, 8225,
710, 8240, 138, 8249, 338, 141, 142, 143,
144, 8216, 8217, 8220, 8221, 8226, 8211, 8212,
732, 8482, 154, 8250, 339, 157, 158, 376,
160, 161, 162, 163, 164, 165, 166, 167,
168, 169, 170, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 258, 196, 197, 198, 199,
200, 201, 202, 203, 768, 205, 206, 207,
272, 209, 777, 211, 212, 416, 214, 215,
216, 217, 218, 219, 220, 431, 771, 223,
224, 225, 226, 259, 228, 229, 230, 231,
232, 233, 234, 235, 769, 237, 238, 239,
273, 241, 803, 243, 244, 417, 246, 247,
248, 249, 250, 251, 252, 432, 8363, 255,
]);
// deno-fmt-ignore
encodingIndexes.set("x-mac-cyrillic", [
1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047,
1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055,
1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071,
8224, 176, 1168, 163, 167, 8226, 182, 1030,
174, 169, 8482, 1026, 1106, 8800, 1027, 1107,
8734, 177, 8804, 8805, 1110, 181, 1169, 1032,
1028, 1108, 1031, 1111, 1033, 1113, 1034, 1114,
1112, 1029, 172, 8730, 402, 8776, 8710, 171,
187, 8230, 160, 1035, 1115, 1036, 1116, 1109,
8211, 8212, 8220, 8221, 8216, 8217, 247, 8222,
1038, 1118, 1039, 1119, 8470, 1025, 1105, 1103,
1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079,
1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087,
1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095,
1096, 1097, 1098, 1099, 1100, 1101, 1102, 8364,
]);
for (const [key, index] of encodingIndexes) {
decoders.set(key, (options) => {
return new SingleByteDecoder(index, options);
});
}
function codePointsToString(codePoints) {
let s = "";
for (const cp of codePoints) {
s += String.fromCodePoint(cp);
}
return s;
}
class Stream {
#tokens = [];
constructor(tokens) {
this.#tokens = [...tokens];
this.#tokens.reverse();
}
endOfStream() {
return !this.#tokens.length;
}
read() {
return !this.#tokens.length ? END_OF_STREAM : this.#tokens.pop();
}
prepend(token) {
if (Array.isArray(token)) {
while (token.length) {
this.#tokens.push(token.pop());
}
} else {
this.#tokens.push(token);
}
}
push(token) {
if (Array.isArray(token)) {
while (token.length) {
this.#tokens.unshift(token.shift());
}
} else {
this.#tokens.unshift(token);
}
}
}
function isEitherArrayBuffer(x) {
return (
x instanceof SharedArrayBuffer ||
x instanceof ArrayBuffer ||
typeof x === "undefined"
);
}
const whitespace = [" ", "\t", "\n", "\f", "\r"];
function trimAsciiWhitespace(label) {
let start = 0;
for (const i in label) {
if (!whitespace.includes(label[i])) {
start = i;
break;
}
}
let end = label.length - 1;
for (const _i in label) {
const i = end - _i;
if (!whitespace.includes(label[i])) {
end = i;
break;
}
}
return label.substring(start, end + 1);
}
class TextDecoder {
#encoding = "";
get encoding() {
return this.#encoding;
}
fatal = false;
ignoreBOM = false;
constructor(label = "utf-8", options = { fatal: false }) {
if (options.ignoreBOM) {
this.ignoreBOM = true;
}
if (options.fatal) {
this.fatal = true;
}
const _label = trimAsciiWhitespace(String(label)).toLowerCase();
const encoding = encodings.get(_label);
if (!encoding) {
throw new RangeError(
`The encoding label provided ('${label}') is invalid.`,
);
}
if (!decoders.has(encoding) && encoding !== "utf-8") {
throw new RangeError(`Internal decoder ('${encoding}') not found.`);
}
this.#encoding = encoding;
}
decode(input, options = { stream: false }) {
if (options.stream) {
throw new TypeError("Stream not supported.");
}
let bytes;
if (input instanceof Uint8Array) {
bytes = input;
} else if (isEitherArrayBuffer(input)) {
bytes = new Uint8Array(input);
} else if (
typeof input === "object" &&
input !== null &&
"buffer" in input &&
isEitherArrayBuffer(input.buffer)
) {
bytes = new Uint8Array(
input.buffer,
input.byteOffset,
input.byteLength,
);
} else {
throw new TypeError(
"Provided input is not of type ArrayBuffer or ArrayBufferView",
);
}
// For simple utf-8 decoding "Deno.core.decode" can be used for performance
if (
this.#encoding === "utf-8" &&
this.fatal === false &&
this.ignoreBOM === false
) {
return core.decode(bytes);
}
// For performance reasons we utilise a highly optimised decoder instead of
// the general decoder.
if (this.#encoding === "utf-8") {
return decodeUtf8(bytes, this.fatal, this.ignoreBOM);
}
const decoder = decoders.get(this.#encoding)({
fatal: this.fatal,
ignoreBOM: this.ignoreBOM,
});
const inputStream = new Stream(bytes);
const output = [];
while (true) {
const result = decoder.handler(inputStream, inputStream.read());
if (result === FINISHED) {
break;
}
if (result !== CONTINUE) {
output.push(result);
}
}
if (output.length > 0 && output[0] === 0xfeff) {
output.shift();
}
return codePointsToString(output);
}
get [Symbol.toStringTag]() {
return "TextDecoder";
}
}
class TextEncoder {
encoding = "utf-8";
encode(input = "") {
input = String(input);
// Deno.core.encode() provides very efficient utf-8 encoding
if (this.encoding === "utf-8") {
return core.encode(input);
}
const encoder = new UTF8Encoder();
const inputStream = new Stream(stringToCodePoints(input));
const output = [];
while (true) {
const result = encoder.handler(inputStream.read());
if (result === "finished") {
break;
}
output.push(...result);
}
return new Uint8Array(output);
}
encodeInto(input, dest) {
const encoder = new UTF8Encoder();
const inputStream = new Stream(stringToCodePoints(input));
if (!(dest instanceof Uint8Array)) {
throw new TypeError(
"2nd argument to TextEncoder.encodeInto must be Uint8Array",
);
}
let written = 0;
let read = 0;
while (true) {
const item = inputStream.read();
const result = encoder.handler(item);
if (result === "finished") {
break;
}
if (dest.length - written >= result.length) {
read++;
if (item > 0xFFFF) {
// increment read a second time if greater than U+FFFF
read++;
}
dest.set(result, written);
written += result.length;
} else {
break;
}
}
return {
read,
written,
};
}
get [Symbol.toStringTag]() {
return "TextEncoder";
}
}
// This function is based on Bjoern Hoehrmann's DFA UTF-8 decoder.
// See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details.
//
// Copyright (c) 2008-2009 Bjoern Hoehrmann <bjoern@hoehrmann.de>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
function decodeUtf8(input, fatal, ignoreBOM) {
let outString = "";
// Prepare a buffer so that we don't have to do a lot of string concats, which
// are very slow.
const outBufferLength = Math.min(1024, input.length);
const outBuffer = new Uint16Array(outBufferLength);
let outIndex = 0;
let state = 0;
let codepoint = 0;
let type;
let i =
!ignoreBOM && input[0] === 0xef && input[1] === 0xbb && input[2] === 0xbf
? 3
: 0;
for (; i < input.length; ++i) {
// Encoding error handling
if (state === 12 || (state !== 0 && (input[i] & 0xc0) !== 0x80)) {
if (fatal) {
throw new TypeError(
`Decoder error. Invalid byte in sequence at position ${i} in data.`,
);
}
outBuffer[outIndex++] = 0xfffd; // Replacement character
if (outIndex === outBufferLength) {
outString += String.fromCharCode.apply(null, outBuffer);
outIndex = 0;
}
state = 0;
}
// deno-fmt-ignore
// deno-fmt-ignore
type = [
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8
][input[i]];
codepoint = state !== 0
? (input[i] & 0x3f) | (codepoint << 6)
: (0xff >> type) & input[i];
// deno-fmt-ignore
// deno-fmt-ignore
state = [
0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12,
12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12,
12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12,
12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12,
12,36,12,12,12,12,12,12,12,12,12,12
][state + type];
if (state !== 0) continue;
// Add codepoint to buffer (as charcodes for utf-16), and flush buffer to
// string if needed.
if (codepoint > 0xffff) {
outBuffer[outIndex++] = 0xd7c0 + (codepoint >> 10);
if (outIndex === outBufferLength) {
outString += String.fromCharCode.apply(null, outBuffer);
outIndex = 0;
}
outBuffer[outIndex++] = 0xdc00 | (codepoint & 0x3ff);
if (outIndex === outBufferLength) {
outString += String.fromCharCode.apply(null, outBuffer);
outIndex = 0;
}
} else {
outBuffer[outIndex++] = codepoint;
if (outIndex === outBufferLength) {
outString += String.fromCharCode.apply(null, outBuffer);
outIndex = 0;
}
}
}
// Add a replacement character if we ended in the middle of a sequence or
// encountered an invalid code at the end.
if (state !== 0) {
if (fatal) throw new TypeError(`Decoder error. Unexpected end of data.`);
outBuffer[outIndex++] = 0xfffd; // Replacement character
}
// Final flush of buffer
outString += String.fromCharCode.apply(
null,
outBuffer.subarray(0, outIndex),
);
return outString;
}
// Following code is forked from https://github.com/beatgammit/base64-js
// Copyright (c) 2014 Jameson Little. MIT License.
const lookup = [];
const revLookup = [];
const code =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
for (let i = 0, len = code.length; i < len; ++i) {
lookup[i] = code[i];
revLookup[code.charCodeAt(i)] = i;
}
// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup["-".charCodeAt(0)] = 62;
revLookup["_".charCodeAt(0)] = 63;
function getLens(b64) {
const len = b64.length;
if (len % 4 > 0) {
throw new Error("Invalid string. Length must be a multiple of 4");
}
// Trim off extra bytes after placeholder bytes are found
// See: https://github.com/beatgammit/base64-js/issues/42
let validLen = b64.indexOf("=");
if (validLen === -1) validLen = len;
const placeHoldersLen = validLen === len ? 0 : 4 - (validLen % 4);
return [validLen, placeHoldersLen];
}
// base64 is 4/3 + up to two characters of the original data
function byteLength(b64) {
const lens = getLens(b64);
const validLen = lens[0];
const placeHoldersLen = lens[1];
return ((validLen + placeHoldersLen) * 3) / 4 - placeHoldersLen;
}
function _byteLength(b64, validLen, placeHoldersLen) {
return ((validLen + placeHoldersLen) * 3) / 4 - placeHoldersLen;
}
function toByteArray(b64) {
let tmp;
const lens = getLens(b64);
const validLen = lens[0];
const placeHoldersLen = lens[1];
const arr = new Uint8Array(_byteLength(b64, validLen, placeHoldersLen));
let curByte = 0;
// if there are placeholders, only get up to the last complete 4 chars
const len = placeHoldersLen > 0 ? validLen - 4 : validLen;
let i;
for (i = 0; i < len; i += 4) {
tmp = (revLookup[b64.charCodeAt(i)] << 18) |
(revLookup[b64.charCodeAt(i + 1)] << 12) |
(revLookup[b64.charCodeAt(i + 2)] << 6) |
revLookup[b64.charCodeAt(i + 3)];
arr[curByte++] = (tmp >> 16) & 0xff;
arr[curByte++] = (tmp >> 8) & 0xff;
arr[curByte++] = tmp & 0xff;
}
if (placeHoldersLen === 2) {
tmp = (revLookup[b64.charCodeAt(i)] << 2) |
(revLookup[b64.charCodeAt(i + 1)] >> 4);
arr[curByte++] = tmp & 0xff;
}
if (placeHoldersLen === 1) {
tmp = (revLookup[b64.charCodeAt(i)] << 10) |
(revLookup[b64.charCodeAt(i + 1)] << 4) |
(revLookup[b64.charCodeAt(i + 2)] >> 2);
arr[curByte++] = (tmp >> 8) & 0xff;
arr[curByte++] = tmp & 0xff;
}
return arr;
}
function tripletToBase64(num) {
return (
lookup[(num >> 18) & 0x3f] +
lookup[(num >> 12) & 0x3f] +
lookup[(num >> 6) & 0x3f] +
lookup[num & 0x3f]
);
}
function encodeChunk(uint8, start, end) {
let tmp;
const output = [];
for (let i = start; i < end; i += 3) {
tmp = ((uint8[i] << 16) & 0xff0000) +
((uint8[i + 1] << 8) & 0xff00) +
(uint8[i + 2] & 0xff);
output.push(tripletToBase64(tmp));
}
return output.join("");
}
function fromByteArray(uint8) {
let tmp;
const len = uint8.length;
const extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
const parts = [];
const maxChunkLength = 16383; // must be multiple of 3
// go through the array every three bytes, we'll deal with trailing stuff later
for (let i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
parts.push(
encodeChunk(
uint8,
i,
i + maxChunkLength > len2 ? len2 : i + maxChunkLength,
),
);
}
// pad the end with zeros, but make sure to not forget the extra bytes
if (extraBytes === 1) {
tmp = uint8[len - 1];
parts.push(lookup[tmp >> 2] + lookup[(tmp << 4) & 0x3f] + "==");
} else if (extraBytes === 2) {
tmp = (uint8[len - 2] << 8) + uint8[len - 1];
parts.push(
lookup[tmp >> 10] +
lookup[(tmp >> 4) & 0x3f] +
lookup[(tmp << 2) & 0x3f] +
"=",
);
}
return parts.join("");
}
const base64 = {
byteLength,
toByteArray,
fromByteArray,
};
window.TextEncoder = TextEncoder;
window.TextDecoder = TextDecoder;
window.atob = atob;
window.btoa = btoa;
window.__bootstrap = window.__bootstrap || {};
window.__bootstrap.base64 = base64;
})(this);