sort-lines.js

packages/sort-lines/lib/sort-lines.coffee

sortLinesNatural = (editor) ->
  sortTextLines editor, (textLines) ->
    naturalSortRegex = /^(\d*)(\D*)(\d*)([\s\S]*)$/
    textLines.sort (a, b) =>
      a = a.toLowerCase()
      b = b.toLowerCase()
      return 0 if a is b
      [__, aLeadingNum, aWord, aTrailingNum, aRemainder] = naturalSortRegex.exec(a)
      [__, bLeadingNum, bWord, bTrailingNum, bRemainder] = naturalSortRegex.exec(b)
      return (if a < b then -1 else 1) if aWord isnt bWord
      return (if aLeadingNum < bLeadingNum then -1 else 1) if aLeadingNum isnt bLeadingNum
      return (if aTrailingNum < bTrailingNum then -1 else 1) if aTrailingNum isnt bTrailingNum
      return 0