withChecksum

Appends a CRC-8 checksum to a string.

Type: transform

Parameters

• input (unknown): The input string to append a checksum to.
• chars (unknown): Number of checksum characters: 1 or 2 (default 2).
• sep (unknown): Separator between the input and checksum (default "-").

Returns

Type: string

The input string with appended checksum, or undefined if input is not a string.

Examples

withChecksum("DOC-001") // "DOC-001-2T"

"CASE-2026-000184"|withChecksum // "CASE-2026-000184-0F"

withChecksum("DOC-001", 1) // "DOC-001-H"