emoji-data/lib/emoji_data.js

Emoji encoding swiss army knife for NodeJS

// Generated by CoffeeScript 1.8.0
var EmojiChar, EmojiData, punycode, _str;

EmojiChar = require('./emoji_char');

punycode = require('punycode');

_str = require('underscore.string');

EmojiData = (function() {
  var EMOJICHAR_KEYWORD_MAP, EMOJICHAR_UNIFIED_MAP, EMOJI_CHARS, EMOJI_MAP, FBS_REGEXP, char_blob, ec, keyword, variant, _i, _j, _k, _l, _len, _len1, _len2, _len3, _ref, _ref1;

  function EmojiData() {}

  EMOJI_MAP = require('../vendor/emoji-data/emoji.json');

  EMOJI_CHARS = (function() {
    var _i, _len, _results;
    _results = [];
    for (_i = 0, _len = EMOJI_MAP.length; _i < _len; _i++) {
      char_blob = EMOJI_MAP[_i];
      _results.push(new EmojiChar(char_blob));
    }
    return _results;
  })();

  EMOJICHAR_UNIFIED_MAP = {};

  for (_i = 0, _len = EMOJI_CHARS.length; _i < _len; _i++) {
    ec = EMOJI_CHARS[_i];
    EMOJICHAR_UNIFIED_MAP[ec.unified] = ec;
    _ref = ec.variations;
    for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
      variant = _ref[_j];
      EMOJICHAR_UNIFIED_MAP[variant] = ec;
    }
  }

  EMOJICHAR_KEYWORD_MAP = {};

  for (_k = 0, _len2 = EMOJI_CHARS.length; _k < _len2; _k++) {
    ec = EMOJI_CHARS[_k];
    _ref1 = ec.short_names;
    for (_l = 0, _len3 = _ref1.length; _l < _len3; _l++) {
      keyword = _ref1[_l];
      EMOJICHAR_KEYWORD_MAP[keyword] = ec;
    }
  }

  EmojiData.all = function() {
    return EMOJI_CHARS;
  };

  EmojiData.all_doublebyte = function() {
    var _len4, _m, _results;
    _results = [];
    for (_m = 0, _len4 = EMOJI_CHARS.length; _m < _len4; _m++) {
      ec = EMOJI_CHARS[_m];
      if (ec.is_doublebyte()) {
        _results.push(ec);
      }
    }
    return _results;
  };

  EmojiData.all_with_variants = function() {
    var _len4, _m, _results;
    _results = [];
    for (_m = 0, _len4 = EMOJI_CHARS.length; _m < _len4; _m++) {
      ec = EMOJI_CHARS[_m];
      if (ec.has_variants()) {
        _results.push(ec);
      }
    }
    return _results;
  };

  EmojiData.chars = function(options) {
    var extra, norms;
    if (options == null) {
      options = {
        include_variants: false
      };
    }
    norms = (function() {
      var _len4, _m, _results;
      _results = [];
      for (_m = 0, _len4 = EMOJI_CHARS.length; _m < _len4; _m++) {
        ec = EMOJI_CHARS[_m];
        _results.push(ec.render({
          variant_encoding: false
        }));
      }
      return _results;
    })();
    extra = (function() {
      var _len4, _m, _ref2, _results;
      _ref2 = this.all_with_variants();
      _results = [];
      for (_m = 0, _len4 = _ref2.length; _m < _len4; _m++) {
        ec = _ref2[_m];
        _results.push(ec.render({
          variant_encoding: true
        }));
      }
      return _results;
    }).call(this);
    if (options.include_variants) {
      return norms.concat(extra);
    }
    return norms;
  };

  EmojiData.codepoints = function(options) {
    var extra, norms;
    if (options == null) {
      options = {
        include_variants: false
      };
    }
    norms = (function() {
      var _len4, _m, _results;
      _results = [];
      for (_m = 0, _len4 = EMOJI_CHARS.length; _m < _len4; _m++) {
        ec = EMOJI_CHARS[_m];
        _results.push(ec.unified);
      }
      return _results;
    })();
    extra = (function() {
      var _len4, _m, _ref2, _results;
      _ref2 = this.all_with_variants();
      _results = [];
      for (_m = 0, _len4 = _ref2.length; _m < _len4; _m++) {
        ec = _ref2[_m];
        _results.push(ec.variant());
      }
      return _results;
    }).call(this);
    if (options.include_variants) {
      return norms.concat(extra);
    }
    return norms;
  };

  EmojiData.char_to_unified = function(char) {
    var cp, cps, hexes;
    cps = punycode.ucs2.decode(char);
    hexes = (function() {
      var _len4, _m, _results;
      _results = [];
      for (_m = 0, _len4 = cps.length; _m < _len4; _m++) {
        cp = cps[_m];
        _results.push(_str.rjust(cp.toString(16), 4, "0"));
      }
      return _results;
    })();
    return hexes.join("-").toUpperCase();
  };

  EmojiData.unified_to_char = function(uid) {
    return EmojiChar._unified_to_char(uid);
  };

  EmojiData.find_by_name = function(name) {
    var target, _len4, _m, _results;
    target = name.toUpperCase();
    _results = [];
    for (_m = 0, _len4 = EMOJI_CHARS.length; _m < _len4; _m++) {
      ec = EMOJI_CHARS[_m];
      if (ec.name.indexOf(target) !== -1) {
        _results.push(ec);
      }
    }
    return _results;
  };

  EmojiData.find_by_short_name = function(short_name) {
    var target, _len4, _m, _results;
    target = short_name.toLowerCase();
    _results = [];
    for (_m = 0, _len4 = EMOJI_CHARS.length; _m < _len4; _m++) {
      ec = EMOJI_CHARS[_m];
      if (ec.short_names.some(function(sn) {
        return sn.indexOf(target) !== -1;
      })) {
        _results.push(ec);
      }
    }
    return _results;
  };

  EmojiData.from_short_name = function(short_name) {
    return EMOJICHAR_KEYWORD_MAP[short_name.toLowerCase()];
  };

  EmojiData.from_unified = function(uid) {
    return EMOJICHAR_UNIFIED_MAP[uid.toUpperCase()];
  };

  FBS_REGEXP = new RegExp("(?:" + (EmojiData.chars({
    include_variants: true
  }).join("|")) + ")", "g");

  EmojiData.scan = function(str) {
    var id, m, matches, _len4, _m, _results;
    FBS_REGEXP.lastIndex = 0;
    matches = [];
    while ((m = FBS_REGEXP.exec(str))) {
      matches.push(m[0]);
    }
    _results = [];
    for (_m = 0, _len4 = matches.length; _m < _len4; _m++) {
      id = matches[_m];
      _results.push(this.from_unified(this.char_to_unified(id)));
    }
    return _results;
  };

  return EmojiData;

})();

module.exports = EmojiData;

module.exports.EmojiChar = EmojiChar;