vowelcounter

vowelcounter

function VowelCounter() {
    this.vowels = "aãàáäâeèéëêiìíïîoòóöôuùúüû";
    this.to   = "aaaaaaeeeeeiiiiiooooouuuuu";
    this.mapping = {};
    for(var i = 0, j = this.vowels.length; i < j; i++ )
      this.mapping[ this.vowels.charAt( i ) ] = this.to.charAt( i );
}

VowelCounter.prototype.maxCountInASet = function(arrayBuffer) {
  var tokens = arrayBuffer.join().toLowerCase().split(',');
  var maxCount = 0;
  for (var i=tokens.length-1; i>=0; i--) {
      var tokenCount = this.countInAWord(tokens[i]);
      maxCount = maxCount < tokenCount ? tokenCount : maxCount;
  }
  return maxCount;
};

VowelCounter.prototype.countInAWord = function(word) {
    var count = 0;
    var alreadyCounted = [];
    for (var i=word.length-1;i>=0;i--){
        
        var letter = this.isVowel(word.charAt(i)) ? this.vowelNormalizer(word.charAt(i)) : word.charAt(i);
        
        if (this.isVowel(letter) && alreadyCounted.indexOf(letter) == -1){         
            alreadyCounted.push(letter);
            count++;
        }
    }
    return count;
};

VowelCounter.prototype.isVowel = function(vowel) {
    return this.vowels.indexOf(vowel) != -1;
};

VowelCounter.prototype.vowelNormalizer = function(vowel) {
          if( this.mapping.hasOwnProperty(vowel))
              return this.mapping[ vowel ];
          else
              return vowel;
};

var vowelCounter = new VowelCounter() ;
var result = vowelCounter.maxCountInASet(["hoooooola", ["soy", ["juan", "fernáaaandez"] ], "y", ["no", "tengo", ["dinero"] ] ]);
console.log(result);

llevas razon!!! lo modifico un poco....

mecachis!!! lo mejoro un poco robando la tecnica del mapping de vocales para normalizar de etnasoft http://www.etnassoft.com/2011/03/03/eliminar-tildes-con-javascript/