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- var $export = require('./_export');
- var toAbsoluteIndex = require('./_to-absolute-index');
- var fromCharCode = String.fromCharCode;
- var $fromCodePoint = String.fromCodePoint;
- // length should be 1, old FF problem
- $export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
- // 21.1.2.2 String.fromCodePoint(...codePoints)
- fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars
- var res = [];
- var aLen = arguments.length;
- var i = 0;
- var code;
- while (aLen > i) {
- code = +arguments[i++];
- if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point');
- res.push(code < 0x10000
- ? fromCharCode(code)
- : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)
- );
- } return res.join('');
- }
- });
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