String Helper

StringHelper.js

console.clear()

function StringHelper(){
  let self = this
  
  this.lat = [
            'a', 'b', 'v', 'g', 'd', 'e',
            'e', 'gh', 'z', 'i', 'y', 'k', 'l', 'm', 'n', 'o',
            'p', 'r', 's', 't', 'u', 'f', 'h', 'c', 'ch', 'sh',
            'sch', 'y', 'y', 'y', 'e', 'yu', 'ya'
        ]
  
  this.rus = [
            'а', 'б', 'в', 'г', 'д', 'е', 'ё',
            'ж', 'з', 'и', 'й', 'к', 'л', 'м', 'н', 'о', 'п',
            'р', 'с', 'т', 'у', 'ф', 'х', 'ц', 'ч', 'ш', 'щ',
            'ъ', 'ы', 'ь', 'э', 'ю', 'я'
        ]
        
  function basename(path, suffix = ''){
		let pathReg = path.replace(/^.*[\/\\]/g, '');
    
    if (typeof(suffix) == 'string' && pathReg.substr(pathReg.length - suffix.length) == suffix) {
        pathReg = pathReg.substr(0, pathReg.length - suffix.length);
    }

    return pathReg;
}

   function dirname(path){
   			let pathReg = path.replace(/^.*[\/\\]/g, ''),
  					pos = path.indexOf(pathReg)
            if(pos !== false){
            	return path.substr(0, pos)
            }
            
            return ''
    }
   
  function translit(string){
    let stringArr = string.split(''),
        indexString = [],
        index = 0,
        translitWord = [],
        spacePos = []
        
        while ((index = string.indexOf(' ', index + 1)) > 0) {
           spacePos.push(index);
        }
        
        console.log(spacePos)
    
       stringArr.forEach(function(elem){
           return self.rus.find(function(elemT, index, array){
            if(elem === elemT){
              indexString.push(index)
            }
            })
        })
        
      indexString.forEach(index =>{
      	translitWord.push(self.lat[index])
      })  
      
      if(spacePos !== []){
      	
      }
      
      return translitWord.join('')
  }

 return Object.freeze({
  	translit,
    basename,
    dirname
  })
}

let helper = new StringHelper()

/* console.log(helper.basename('/www/site/home.htm'))
console.log(helper.dirname('bla/lol/www/site/home.htm')) */

console.log(helper.translit('пиздец какой то'))