module

CRE::Tui::Ansi

Minimal ANSI escape helpers. We hand-roll instead of depending on a TUI framework so the rendering is small, predictable, and easy to test by capturing IO writes.

Constants

BOLD = "#{ESC}1m"

CLEAR_LINE = "#{ESC}2K"

CLEAR_SCREEN = "#{ESC}2J"

DIM = "#{ESC}2m"

ESC = "\e["

FG_BLUE = "#{ESC}34m"

FG_CYAN = "#{ESC}36m"

FG_GRAY = "#{ESC}90m"

FG_GREEN = "#{ESC}32m"

FG_RED = "#{ESC}31m"

FG_WHITE = "#{ESC}37m"

FG_YELLOW = "#{ESC}33m"

HIDE_CURSOR = "#{ESC}?25l"

HOME = "#{ESC}H"

RESET = "#{ESC}0m"

SHOW_CURSOR = "#{ESC}?25h"

Class methods

bold(text : String) : String

Source

colorize(text : String, color : String) : String

Source

cyan(text : String) : String

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dim(text : String) : String

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gray(text : String) : String

Source

green(text : String) : String

Source

move(row : Int, col : Int) : String

Source

red(text : String) : String

Source

strip(text : String) : String

Strip ANSI escape sequences (useful for testing rendered output).

Source

yellow(text : String) : String

Source