164 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			164 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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const wrapAnsi16 = (fn, offset) => (...args) => {
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	const code = fn(...args);
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	return `\u001B[${code + offset}m`;
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};
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const wrapAnsi256 = (fn, offset) => (...args) => {
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	const code = fn(...args);
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	return `\u001B[${38 + offset};5;${code}m`;
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};
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const wrapAnsi16m = (fn, offset) => (...args) => {
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	const rgb = fn(...args);
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	return `\u001B[${38 + offset};2;${rgb[0]};${rgb[1]};${rgb[2]}m`;
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};
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const ansi2ansi = n => n;
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const rgb2rgb = (r, g, b) => [r, g, b];
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const setLazyProperty = (object, property, get) => {
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	Object.defineProperty(object, property, {
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		get: () => {
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			const value = get();
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			Object.defineProperty(object, property, {
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				value,
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				enumerable: true,
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				configurable: true
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			});
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			return value;
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		},
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		enumerable: true,
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		configurable: true
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	});
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};
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/** @type {typeof import('color-convert')} */
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let colorConvert;
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const makeDynamicStyles = (wrap, targetSpace, identity, isBackground) => {
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	if (colorConvert === undefined) {
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		colorConvert = require('color-convert');
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	}
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	const offset = isBackground ? 10 : 0;
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	const styles = {};
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	for (const [sourceSpace, suite] of Object.entries(colorConvert)) {
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		const name = sourceSpace === 'ansi16' ? 'ansi' : sourceSpace;
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		if (sourceSpace === targetSpace) {
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			styles[name] = wrap(identity, offset);
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		} else if (typeof suite === 'object') {
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			styles[name] = wrap(suite[targetSpace], offset);
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		}
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	}
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	return styles;
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};
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function assembleStyles() {
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	const codes = new Map();
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	const styles = {
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		modifier: {
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			reset: [0, 0],
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			// 21 isn't widely supported and 22 does the same thing
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			bold: [1, 22],
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			dim: [2, 22],
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			italic: [3, 23],
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			underline: [4, 24],
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			inverse: [7, 27],
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			hidden: [8, 28],
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			strikethrough: [9, 29]
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		},
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		color: {
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			black: [30, 39],
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			red: [31, 39],
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			green: [32, 39],
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			yellow: [33, 39],
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			blue: [34, 39],
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			magenta: [35, 39],
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			cyan: [36, 39],
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			white: [37, 39],
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			// Bright color
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			blackBright: [90, 39],
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			redBright: [91, 39],
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			greenBright: [92, 39],
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			yellowBright: [93, 39],
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			blueBright: [94, 39],
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			magentaBright: [95, 39],
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			cyanBright: [96, 39],
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			whiteBright: [97, 39]
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		},
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		bgColor: {
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			bgBlack: [40, 49],
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			bgRed: [41, 49],
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			bgGreen: [42, 49],
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			bgYellow: [43, 49],
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			bgBlue: [44, 49],
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			bgMagenta: [45, 49],
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			bgCyan: [46, 49],
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			bgWhite: [47, 49],
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			// Bright color
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			bgBlackBright: [100, 49],
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			bgRedBright: [101, 49],
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			bgGreenBright: [102, 49],
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			bgYellowBright: [103, 49],
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			bgBlueBright: [104, 49],
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			bgMagentaBright: [105, 49],
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			bgCyanBright: [106, 49],
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			bgWhiteBright: [107, 49]
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		}
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	};
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	// Alias bright black as gray (and grey)
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	styles.color.gray = styles.color.blackBright;
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	styles.bgColor.bgGray = styles.bgColor.bgBlackBright;
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	styles.color.grey = styles.color.blackBright;
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	styles.bgColor.bgGrey = styles.bgColor.bgBlackBright;
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	for (const [groupName, group] of Object.entries(styles)) {
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		for (const [styleName, style] of Object.entries(group)) {
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			styles[styleName] = {
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				open: `\u001B[${style[0]}m`,
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				close: `\u001B[${style[1]}m`
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			};
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			group[styleName] = styles[styleName];
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			codes.set(style[0], style[1]);
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		}
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		Object.defineProperty(styles, groupName, {
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			value: group,
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			enumerable: false
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		});
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	}
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	Object.defineProperty(styles, 'codes', {
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		value: codes,
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		enumerable: false
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	});
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	styles.color.close = '\u001B[39m';
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	styles.bgColor.close = '\u001B[49m';
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	setLazyProperty(styles.color, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, false));
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	setLazyProperty(styles.color, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, false));
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	setLazyProperty(styles.color, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, false));
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	setLazyProperty(styles.bgColor, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, true));
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	setLazyProperty(styles.bgColor, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, true));
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	setLazyProperty(styles.bgColor, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, true));
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	return styles;
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}
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// Make the export immutable
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Object.defineProperty(module, 'exports', {
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	enumerable: true,
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	get: assembleStyles
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});
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