37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.default = (uint8, start, length) => {
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const end = start + length;
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let x = start;
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let str = '';
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while (x < end) {
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const b1 = uint8[x++];
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if ((b1 & 0x80) === 0) {
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str += String.fromCharCode(b1);
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continue;
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}
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else if ((b1 & 0xe0) === 0xc0) {
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str += String.fromCharCode(((b1 & 0x1f) << 6) | (uint8[x++] & 0x3f));
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}
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else if ((b1 & 0xf0) === 0xe0) {
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str += String.fromCharCode(((b1 & 0x1f) << 12) | ((uint8[x++] & 0x3f) << 6) | (uint8[x++] & 0x3f));
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}
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else if ((b1 & 0xf8) === 0xf0) {
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const b2 = uint8[x++] & 0x3f;
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const b3 = uint8[x++] & 0x3f;
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const b4 = uint8[x++] & 0x3f;
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let code = ((b1 & 0x07) << 0x12) | (b2 << 0x0c) | (b3 << 0x06) | b4;
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if (code > 0xffff) {
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code -= 0x10000;
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str += String.fromCharCode(((code >>> 10) & 0x3ff) | 0xd800);
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code = 0xdc00 | (code & 0x3ff);
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}
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str += String.fromCharCode(code);
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}
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else {
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str += String.fromCharCode(b1);
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}
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}
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return str;
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};
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//# sourceMappingURL=v5.js.map
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