Function clampInputCursor

packages/core/src/runtime/inputEditor.ts:197–203

(value: string, cursor: number)

}

function clampInputCursor(value: string, cursor: number): number {
  let c = cursor;
  if (!Number.isFinite(c)) c = 0;
  if (c < 0) c = 0;
  if (c > value.length) c = value.length;
  return c;
}

/**
 * Normalize cursor position to a valid grapheme cluster boundary.