ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %!1!%)+//.383,7(-.+




-%%-////---/-.+/--+------/------/--0+--/-/-----.-----ÿÀ  ¥
2
" 

ÿÄ  
 

            
ÿÄ J 
 	    
 ! 1AQ"aq2‘#BR‚¡ÁÑ3br’¢±Âð$CSƒ²á4c“%DsÓñÿÄ 

 

            
ÿÄ *
 
       
!1AQa‘"2q3±ð#b¡ÿÚ 
  ? ¼Q





xJQaÍuò¸Zö Úü8,Ð







Úú
"SSn<rçù–´
âE—^ªBÖ9À\†¸ÔÁT­ÃÛ5
ëd´³Í#Ý;Þ38œî ¶H£M:wÎ3…³…âpÔF&‚FK¸9„â4àGEõªfÿ ‘ñ(ßw­pŽF|È¥ù®häðÍѶ¹‘[ÒinÙW¶ùñY˜Q{›K"išÒ[Ú8žë\F¹@-?v"ÔU”,ìöžkÿ {I‡£šÍ?e
ríV
..............................................................................................................................................................................
.............................................................................                                                  
                                                                                                                                                                                     ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %!1!%)+//.383,7(-.+




-%%-////---/-.+/--+------/------/--0+--/-/-----.-----ÿÀ  ¥
2
" 

ÿÄ  
 

            
ÿÄ J 
 	    
 ! 1AQ"aq2‘#BR‚¡ÁÑ3br’¢±Âð$CSƒ²á4c“%DsÓñÿÄ 

 

            
ÿÄ *
 
       
!1AQa‘"2q3±ð#b¡ÿÚ 
  ? ¼Q





xJQaÍuò¸Zö Úü8,Ð







Úú
"SSn<rçù–´
âE—^ªBÖ9À\†¸ÔÁT­ÃÛ5
ëd´³Í#Ý;Þ38œî ¶H£M:wÎ3…³…âpÔF&‚FK¸9„â4àGEõªfÿ ‘ñ(ßw­pŽF|È¥ù®häðÍѶ¹‘[ÒinÙW¶ùñY˜Q{›K"išÒ[Ú8žë\F¹@-?v"ÔU”,ìöžkÿ {I‡£šÍ?e
ríV
..............................................................................................................................................................................
.............................................................................                                                  
                                                                                                                                                                                     function levenshteinD (s1, s2) {
  var d = []
  var i = 0

  for (i = 0; i <= s1.length; i++) d[i] = [i]
  for (i = 0; i <= s2.length; i++) d[0][i] = i

  s2.split('').forEach(function (c2, j) {
    s1.split('').forEach(function (c1, i) {
      if (c1 === c2) {
        d[i + 1][j + 1] = d[i][j]
        return
      }
      d[i + 1][j + 1] = Math.min(
        d[i][j + 1] + 1,
        d[i + 1][j] + 1,
        d[i][j] + 1
      )
    })
  })

  return d[s1.length][s2.length]
}

function meant (scmd, commands) {
  var d = []
  var bestSimilarity = []

  commands.forEach(function (cmd, i) {
    var item = {}
    item[levenshteinD(scmd, cmd)] = i
    d.push(item)
  })

  d.sort(function (a, b) {
    return Number(Object.keys(a)[0]) - Number(Object.keys(b)[0])
  })

  d.forEach(function (item) {
    var key = Number(Object.keys(item)[0])
    if (scmd.length / 2 >= key) {
      bestSimilarity.push(commands[item[key]])
    }
  })

  return bestSimilarity
}

module.exports = meant