ID Generation Functions
Functions for generating various types of unique identifiers.
Summary
| Function | Signature | Description |
|---|---|---|
nanoid | number? -> string | Generate nanoid |
ulid | -> string | Generate ULID |
ulid_timestamp | string -> number | Extract timestamp from ULID |
Functions
nanoid
Generate nanoid
Signature: number? -> string
Examples:
# Default 21 chars
nanoid() -> \"V1StGXR8_Z5jdHi6B-myT\"
# Custom length
nanoid(`10`) -> \"IRFa-VaY2b\"
CLI Usage:
echo '{}' | jpx 'nanoid()'
ulid
Generate ULID
Signature: -> string
Examples:
# Generate ULID
ulid() -> \"01ARZ3NDEKTSV4RRFFQ69G5FAV\"
# Always 26 chars
length(ulid()) -> 26
CLI Usage:
echo '{}' | jpx 'ulid()'
ulid_timestamp
Extract timestamp from ULID
Signature: string -> number
Examples:
# Extract timestamp
ulid_timestamp('01ARZ3NDEKTSV4RRFFQ69G5FAV') -> 1469918176385
# Another ULID
ulid_timestamp('01BX5ZZKBKACTAV9WEVGEMMVRY') -> 1484581420610
CLI Usage:
echo '{}' | jpx 'ulid_timestamp(`"01ARZ3NDEKTSV4RRFFQ69G5FAV"`)'