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node_modules/entities/lib/decode_codepoint.js 691 Bytes
aaac7fed   liuqimichale   add
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  var decodeMap = require("../maps/decode.json");
  
  module.exports = decodeCodePoint;
  
  // modified version of https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119
  function decodeCodePoint(codePoint) {
      if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
          return "\uFFFD";
      }
  
      if (codePoint in decodeMap) {
          codePoint = decodeMap[codePoint];
      }
  
      var output = "";
  
      if (codePoint > 0xffff) {
          codePoint -= 0x10000;
          output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
          codePoint = 0xdc00 | (codePoint & 0x3ff);
      }
  
      output += String.fromCharCode(codePoint);
      return output;
  }