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node_modules/es5-ext/string/from-code-point/shim.js
Maintainability
52.28
Lines of code
24
Difficulty
28.44
Estimated Errors
0.25
Function weight
By Complexity
By SLOC
// Based on: // http://norbertlindenberg.com/2012/05/ecmascript-supplementary-characters/ // and: // https://github.com/mathiasbynens/String.fromCodePoint/blob/master // /fromcodepoint.js 'use strict'; var floor = Math.floor, fromCharCode = String.fromCharCode; module.exports = function (/* …codePoints*/) { var chars = [], l = arguments.length, i, c, result = ''; for (i = 0; i < l; ++i) { c = Number(arguments[i]); if (!isFinite(c) || c < 0 || c > 0x10FFFF || floor(c) !== c) { throw new RangeError("Invalid code point " + c); } if (c < 0x10000) { chars.push(c); } else { c -= 0x10000; chars.push((c >> 10) + 0xD800, (c % 0x400) + 0xDC00); } if (i + 1 !== l && chars.length <= 0x4000) continue; result += fromCharCode.apply(null, chars); chars.length = 0; } return result; };