Function highlight

fuzzysort.js:175–221

(result, open='<b>', close='</b>')

  // this is written as 1 function instead of 2 for minification. perf seems fine ...
  // except when minified. the perf is very slow
  var highlight = (result, open='<b>', close='</b>') => {
    var callback = typeof open === 'function' ? open : undefined

    var target      = result.target
    var targetLen   = target.length
    var indexes     = result.indexes
    var highlighted = ''
    var matchI      = 0
    var indexesI    = 0
    var opened      = false
    var parts       = []

    for(var i = 0; i < targetLen; ++i) { var char = target[i]
      if(indexes[indexesI] === i) {
        ++indexesI
        if(!opened) { opened = true
          if(callback) {
            parts.push(highlighted); highlighted = ''
          } else {
            highlighted += open
          }
        }

        if(indexesI === indexes.length) {
          if(callback) {
            highlighted += char
            parts.push(callback(highlighted, matchI++)); highlighted = ''
            parts.push(target.substr(i+1))
          } else {
            highlighted += char + close + target.substr(i+1)
          }
          break
        }
      } else {
        if(opened) { opened = false
          if(callback) {
            parts.push(callback(highlighted, matchI++)); highlighted = ''
          } else {
            highlighted += close
          }
        }
      }
      highlighted += char
    }

    return callback ? parts : highlighted
  }


  var prepare = (target) => {