Function calculateNewCursorPosition

cli/src/utils/word-wrap-utils.ts:37–53

(params: {
  cursorPosition: number
  lineStarts: number[]
  cursorIsChar: boolean
  direction: 'up' | 'down'
  desiredIndex: number
})

}

export function calculateNewCursorPosition(params: {
  cursorPosition: number
  lineStarts: number[]
  cursorIsChar: boolean
  direction: 'up' | 'down'
  desiredIndex: number
}): number {
  const { direction } = params
  if (direction === 'up') {
    return cursorUp(params)
  }
  if (direction === 'down') {
    return cursorDown(params)
  }
  direction satisfies never
  throw new Error(`Invalid direction: ${direction}`)
}