Function applySingleMotion

src/vim/motions.ts:30–67

* Apply a single motion step.

(key: string, cursor: Cursor)

 * Apply a single motion step.
 */
function applySingleMotion(key: string, cursor: Cursor): Cursor {
  switch (key) {
    case 'h':
      return cursor.left()
    case 'l':
      return cursor.right()
    case 'j':
      return cursor.downLogicalLine()
    case 'k':
      return cursor.upLogicalLine()
    case 'gj':
      return cursor.down()
    case 'gk':
      return cursor.up()
    case 'w':
      return cursor.nextVimWord()
    case 'b':
      return cursor.prevVimWord()
    case 'e':
      return cursor.endOfVimWord()
    case 'W':
      return cursor.nextWORD()
    case 'B':
      return cursor.prevWORD()
    case 'E':
      return cursor.endOfWORD()
    case '0':
      return cursor.startOfLogicalLine()
    case '^':
      return cursor.firstNonBlankInLogicalLine()
    case '$':
      return cursor.endOfLogicalLine()
    case 'G':
      return cursor.startOfLastLine()
    default:
      return cursor
  }
}

/**
 * Check if a motion is inclusive (includes character at destination).