ansi.js

/**
 * Creates a basic ANSI escape code string from a number.
 * @param {number} x Numeric ANSI escape code.
 */
const ansi = x => `\x1b[${x}m`;

/**
 * Adds ANSI escape codes to a string.
 * Resets properties at the end of the string.
 * @param {string} text Text to colorize.
 * @param {string[]} modifiers ANSI escape code modifiers.
 */
const ansiModify = (text, ...modifiers) => modifiers.join('') + text + ansi(0);

/** ANSI modifiers. */
const ANSI = {
	Reset: ansi(0),
	Bold: ansi(1),
	Faint: ansi(2),
	Italic: ansi(3),
	Underline: ansi(4),
	BlinkSlow: ansi(5),
	BlinkRapid: ansi(6),
	/** Swaps foreground and background colors. */
	ReverseVideo: ansi(7),
	Conceal: ansi(8),
	CrossedOut: ansi(9),
	PrimaryFont: ansi(10),
	AlternativeFont1: ansi(11),
	AlternativeFont2: ansi(12),
	AlternativeFont3: ansi(13),
	AlternativeFont4: ansi(14),
	AlternativeFont5: ansi(15),
	AlternativeFont6: ansi(16),
	AlternativeFont7: ansi(17),
	AlternativeFont8: ansi(18),
	AlternativeFont9: ansi(19),
	Fraktur: ansi(20),
	DoublyUnderline: ansi(21),
	NormalColorOrIntensity: ansi(22),
	NotItalicOrFraktur: ansi(23),
	UnderlineOff: ansi(24),
	BlinkOff: ansi(25),
	InverseOff: ansi(27),
	Reveal: ansi(28),
	NotCrossedOut: ansi(29),
	Framed: ansi(51),
	Encircled: ansi(52),
	Overlined: ansi(53),
	NotFramedOrEncircled: ansi(54),
	NotOverlined: ansi(55),
	IdeogramUnderline: ansi(60),
	IdeogramDoubleUnderline: ansi(61),
	IdeogramOverline: ansi(62),
	IdeogramDoubleOverline: ansi(63),
	IdeogramStressMarking: ansi(64),
	IdeogramAttributesOff: ansi(65),

	FgBlack: ansi(30),
	FgRed: ansi(31),
	FgGreen: ansi(32),
	FgYellow: ansi(33),
	FgBlue: ansi(34),
	FgMagenta: ansi(35),
	FgCyan: ansi(36),
	FgWhite: ansi(37),

	FgBrightBlack: ansi(90),
	FgBrightRed: ansi(91),
	FgBrightGreen: ansi(92),
	FgBrightYellow: ansi(93),
	FgBrightBlue: ansi(94),
	FgBrightMagenta: ansi(95),
	FgBrightCyan: ansi(96),
	FgBrightWhite: ansi(97),

	/**
	 * Creates an RGB modifier for the foreground.
	 * @param {number} r Red channel value (0 to 255).
	 * @param {number} g Green channel value (0 to 255).
	 * @param {number} b Blue channel value (0 to 255).
	 */
	FgRgb: (r, g, b) => `\x1b[38;2;${r};${g};${b}m`,

	FgDefault: ansi(39),

	BgBlack: ansi(40),
	BgRed: ansi(41),
	BgGreen: ansi(42),
	BgYellow: ansi(43),
	BgBlue: ansi(44),
	BgMagenta: ansi(45),
	BgCyan: ansi(46),
	BgWhite: ansi(47),

	BgBrightBlack: ansi(100),
	BgBrightRed: ansi(101),
	BgBrightGreen: ansi(102),
	BgBrightYellow: ansi(103),
	BgBrightBlue: ansi(104),
	BgBrightMagenta: ansi(105),
	BgBrightCyan: ansi(106),
	BgBrightWhite: ansi(107),

	/**
	 * Creates an RGB modifier for the background.
	 * @param {number} r Red channel value (0 to 255).
	 * @param {number} g Green channel value (0 to 255).
	 * @param {number} b Blue channel value (0 to 255).
	 */
	BgRgb: (r, g, b) => `\x1b[48;2;${r};${g};${b}m`,

	BgDefault: ansi(49),
};