Color.ANSI.ParseError exception (Color v0.4.0)

Raised when Color.ANSI.parse/1 cannot interpret an ANSI SGR escape sequence.

Has fields:

• :sequence — the offending input binary.

• :reason — a short atom describing the failure:

  • :no_csi — the input does not start with ESC [.

  • :no_terminator — the sequence has no closing m.

  • :no_colour_param — the sequence has a CSI and terminator but no colour parameter (e.g. \e[0m reset, \e[1m bold, \e[39m default-foreground).

  • :bad_index — a 256-colour index (38;5;N) is out of range or not a valid integer.

  • :bad_rgb — a truecolor R/G/B triple is out of range or not valid integers.