Nodejs String Pluralize plural()

Method Source Code

String.prototype.plural = function() {
   var s = this.trim().toLowerCase();
   end = s.substr(-1);//  w w  w  .ja v a  2 s. co m
   if(end == 'y') {
      var vowels = ['a', 'e', 'i', 'o', 'u'];
      s = s.substr(-2, 1) in vowels ? s + 's' : s.substr(0, s.length-1) + 'ies';
   } else if(end == 'h') {
       s += s.substr(-2) == 'ch' || s.substr(-2) == 'sh' ? 'es' : 's';
   } else if(end == 's') {
      s += 'es';
   } else {
      s += 's';
   }
   return s;
}

Related

1. pluralize()

   String.prototype.pluralize = function () {
     return inflector.pluralize(this);
   };
   

2. pluralize()

   String.prototype.pluralize = function() {
     const plurals = {
       person: "people",
       Person: "People"
     };
     if (plurals.hasOwnProperty(this)) {
       return plurals[this];
     return `${this}s`;
   ...
   

3. pluralize()

   String.prototype.pluralize = function () {
     if (this.lastChar() === 'y') {
       if ((this.charAt(this.length - 2)).isVowel()) {
         return this + 's';
       else {
         return this.slice(0, -1) + 'ies';
     else if (this.substring(this.length - 2) === 'us') {
       return this.slice(0, -2) + 'i';
     else if (
       [
         'ch',
         'sh'
       ].indexOf(this.substring(this.length - 2)) !== -1 ||
         [
           'x',
           's'
         ].indexOf(this.lastChar()) !== -1) {
       return this + 'es';
     else {
       return this + 's';
   };
   

4. pluralize()

   String.prototype.pluralize = function () {
       return Inflector.applyRules(this, Inflector.pluralRules);
   };