Function handleOperatorInput

src/vim/transitions.ts:206–242

* Handle operator input (motion, find, text object scope). * Returns null if input is not recognized.

(
  op: Operator,
  count: number,
  input: string,
  ctx: TransitionContext,
)

 * Returns null if input is not recognized.
 */
function handleOperatorInput(
  op: Operator,
  count: number,
  input: string,
  ctx: TransitionContext,
): TransitionResult | null {
  if (isTextObjScopeKey(input)) {
    return {
      next: {
        type: 'operatorTextObj',
        op,
        count,
        scope: TEXT_OBJ_SCOPES[input],
      },
    }
  }

  if (FIND_KEYS.has(input)) {
    return {
      next: { type: 'operatorFind', op, count, find: input as FindType },
    }
  }

  if (SIMPLE_MOTIONS.has(input)) {
    return { execute: () => executeOperatorMotion(op, input, count, ctx) }
  }

  if (input === 'G') {
    return { execute: () => executeOperatorG(op, count, ctx) }
  }

  if (input === 'g') {
    return { next: { type: 'operatorG', op, count } }
  }

  return null
}

// ============================================================================
// Transition Functions - One per state type