hexo/node_modules/ajv/dist/compile/ucs2length.js

23 lines
762 B
JavaScript

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