[79a0317] | 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | exports.polyUint32Array = exports.polyUint16Array = exports.decode = exports.fromCodePoint = exports.toCodePoints = void 0;
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| 4 | var toCodePoints = function (str) {
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| 5 | var codePoints = [];
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| 6 | var i = 0;
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| 7 | var length = str.length;
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| 8 | while (i < length) {
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| 9 | var value = str.charCodeAt(i++);
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| 10 | if (value >= 0xd800 && value <= 0xdbff && i < length) {
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| 11 | var extra = str.charCodeAt(i++);
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| 12 | if ((extra & 0xfc00) === 0xdc00) {
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| 13 | codePoints.push(((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000);
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| 14 | }
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| 15 | else {
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| 16 | codePoints.push(value);
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| 17 | i--;
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| 18 | }
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| 19 | }
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| 20 | else {
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| 21 | codePoints.push(value);
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| 22 | }
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| 23 | }
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| 24 | return codePoints;
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| 25 | };
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| 26 | exports.toCodePoints = toCodePoints;
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| 27 | var fromCodePoint = function () {
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| 28 | var codePoints = [];
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| 29 | for (var _i = 0; _i < arguments.length; _i++) {
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| 30 | codePoints[_i] = arguments[_i];
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| 31 | }
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| 32 | if (String.fromCodePoint) {
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| 33 | return String.fromCodePoint.apply(String, codePoints);
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| 34 | }
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| 35 | var length = codePoints.length;
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| 36 | if (!length) {
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| 37 | return '';
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| 38 | }
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| 39 | var codeUnits = [];
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| 40 | var index = -1;
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| 41 | var result = '';
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| 42 | while (++index < length) {
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| 43 | var codePoint = codePoints[index];
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| 44 | if (codePoint <= 0xffff) {
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| 45 | codeUnits.push(codePoint);
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| 46 | }
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| 47 | else {
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| 48 | codePoint -= 0x10000;
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| 49 | codeUnits.push((codePoint >> 10) + 0xd800, (codePoint % 0x400) + 0xdc00);
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| 50 | }
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| 51 | if (index + 1 === length || codeUnits.length > 0x4000) {
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| 52 | result += String.fromCharCode.apply(String, codeUnits);
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| 53 | codeUnits.length = 0;
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| 54 | }
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| 55 | }
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| 56 | return result;
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| 57 | };
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| 58 | exports.fromCodePoint = fromCodePoint;
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| 59 | var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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| 60 | // Use a lookup table to find the index.
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| 61 | var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);
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| 62 | for (var i = 0; i < chars.length; i++) {
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| 63 | lookup[chars.charCodeAt(i)] = i;
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| 64 | }
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| 65 | var decode = function (base64) {
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| 66 | var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
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| 67 | if (base64[base64.length - 1] === '=') {
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| 68 | bufferLength--;
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| 69 | if (base64[base64.length - 2] === '=') {
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| 70 | bufferLength--;
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| 71 | }
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| 72 | }
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| 73 | var buffer = typeof ArrayBuffer !== 'undefined' &&
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| 74 | typeof Uint8Array !== 'undefined' &&
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| 75 | typeof Uint8Array.prototype.slice !== 'undefined'
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| 76 | ? new ArrayBuffer(bufferLength)
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| 77 | : new Array(bufferLength);
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| 78 | var bytes = Array.isArray(buffer) ? buffer : new Uint8Array(buffer);
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| 79 | for (i = 0; i < len; i += 4) {
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| 80 | encoded1 = lookup[base64.charCodeAt(i)];
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| 81 | encoded2 = lookup[base64.charCodeAt(i + 1)];
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| 82 | encoded3 = lookup[base64.charCodeAt(i + 2)];
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| 83 | encoded4 = lookup[base64.charCodeAt(i + 3)];
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| 84 | bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
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| 85 | bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
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| 86 | bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
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| 87 | }
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| 88 | return buffer;
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| 89 | };
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| 90 | exports.decode = decode;
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| 91 | var polyUint16Array = function (buffer) {
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| 92 | var length = buffer.length;
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| 93 | var bytes = [];
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| 94 | for (var i = 0; i < length; i += 2) {
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| 95 | bytes.push((buffer[i + 1] << 8) | buffer[i]);
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| 96 | }
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| 97 | return bytes;
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| 98 | };
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| 99 | exports.polyUint16Array = polyUint16Array;
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| 100 | var polyUint32Array = function (buffer) {
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| 101 | var length = buffer.length;
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| 102 | var bytes = [];
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| 103 | for (var i = 0; i < length; i += 4) {
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| 104 | bytes.push((buffer[i + 3] << 24) | (buffer[i + 2] << 16) | (buffer[i + 1] << 8) | buffer[i]);
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| 105 | }
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| 106 | return bytes;
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| 107 | };
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| 108 | exports.polyUint32Array = polyUint32Array;
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| 109 | //# sourceMappingURL=Util.js.map |
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