Smart home/end commands for Atom

init.coffee

atom.commands.add 'atom-text-editor',
  'user:smart-home': ->
    if (editor = atom.workspace.getActiveTextEditor())
      bufferPos = editor.getCursorBufferPosition()
      screenPos = editor.getCursorScreenPosition()

      bufferLine = editor.lineTextForBufferRow bufferPos.row
      screenLine = editor.lineTextForScreenRow screenPos.row

      screenLineStart = editor.clipScreenPosition [screenPos.row, 0], skipSoftWrapIndentation: true

      if bufferLine.startsWith screenLine
        editor.moveToFirstCharacterOfLine()
      else if screenPos.column isnt screenLineStart.column
        editor.moveToFirstCharacterOfLine()
      else
        editor.moveToBeginningOfLine()
        editor.moveToFirstCharacterOfLine()
  ,
  'user:smart-end': ->
    if (editor = atom.workspace.getActiveTextEditor())
      bufferPos = editor.getCursorBufferPosition()
      screenPos = editor.getCursorScreenPosition()

      bufferLine = editor.lineTextForBufferRow bufferPos.row
      screenLine = editor.lineTextForScreenRow screenPos.row

      screenLineEnd = editor.clipScreenPosition [screenPos.row, Infinity], skipSoftWrapIndentation: true

      if screenPos.column isnt screenLineEnd.column
        editor.moveToEndOfScreenLine()
      else
        editor.moveToEndOfLine()