mirror of https://github.com/jkjoy/sunpeiwen.git
23 lines
740 B
JavaScript
23 lines
740 B
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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// https://mathiasbynens.be/notes/javascript-encoding
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// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
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function ucs2length(str) {
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const len = str.length;
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let length = 0;
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let pos = 0;
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let value;
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while (pos < len) {
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length++;
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value = str.charCodeAt(pos++);
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if (value >= 0xd800 && value <= 0xdbff && pos < len) {
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// high surrogate, and there is a next character
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value = str.charCodeAt(pos);
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if ((value & 0xfc00) === 0xdc00)
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pos++; // low surrogate
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}
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}
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return length;
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}
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exports.default = ucs2length;
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//# sourceMappingURL=ucs2length.js.map
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