brazilian-utils.cnpj.internal — br.com.buzzlabs/brazilian-utils 0.1.0

calc-check-digit* clj/s

(calc-check-digit* base weights)

Computes mod-11 check digit for a CNPJ base (numeric or alphanumeric) using given weights.

char->cnpj-value clj/s

(char->cnpj-value c)

Maps a character to CNPJ value: 0-9 -> 0..9, A-Z -> 10..35. Throws for invalid chars.

clean-alfanumeric clj/s

(clean-alfanumeric cnpj)

Removes non-alphanumeric characters and uppercases the CNPJ (A-Z, 0-9).

clean-numeric clj/s

(clean-numeric cnpj)

Removes all non-digit characters and returns only digits.

cnpj-length clj/s

first-check-digit-weights clj/s

format-alfanumeric clj/s

(format-alfanumeric cnpj)

(format-alfanumeric cnpj {:keys [pad]})

Formats input as XX.XXX.XXX/XXXX-XX. Works for numeric and alphanumeric, supports partials. If :pad true, left-pads with zeros to 14 characters.

format-numeric clj/s

(format-numeric cnpj)

(format-numeric cnpj {:keys [pad]})

Formats numeric CNPJ as XX.XXX.XXX/XXXX-XX. Supports partials and optional :pad.

generate-alphanumeric-base clj/s

(generate-alphanumeric-base)

Generates a valid 12-character alphanumeric base using letters and digits.

Returns: String with 12 random alphanumeric characters (A-Z, 0-9)

generate-numeric-base clj/s

(generate-numeric-base)

Generates a valid 12-digit numeric base that won't be all repeated digits.

Returns: String with 12 random digits

second-check-digit-weights clj/s

valid-checksum* clj/s

(valid-checksum* cnpj)

Validates both CNPJ check digits for 14-character cleaned input.