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Name	Size	Last Modified
[F]index.d.ts	3.53 KB	2022-10-08 17:28:20
[F]index.js Edit	3.81 KB	2022-10-08 17:28:19
[F]license	1.08 KB	2022-10-08 17:28:19
[F]package.json Edit	976 bytes	2022-10-08 17:28:19
[F]readme.md Edit	3.91 KB	2022-10-08 17:28:19

Editing: index.js

'use strict';

const ANSI_BACKGROUND_OFFSET = 10;

const wrapAnsi256 = (offset = 0) => code => `\u001B[${38 + offset};5;${code}m`;

const wrapAnsi16m = (offset = 0) => (red, green, blue) => `\u001B[${38 + offset};2;${red};${green};${blue}m`;

function assembleStyles() {
	const codes = new Map();
	const styles = {
		modifier: {
			reset: [0, 0],
			// 21 isn't widely supported and 22 does the same thing
			bold: [1, 22],
			dim: [2, 22],
			italic: [3, 23],
			underline: [4, 24],
			overline: [53, 55],
			inverse: [7, 27],
			hidden: [8, 28],
			strikethrough: [9, 29]
		},
		color: {
			black: [30, 39],
			red: [31, 39],
			green: [32, 39],
			yellow: [33, 39],
			blue: [34, 39],
			magenta: [35, 39],
			cyan: [36, 39],
			white: [37, 39],

// Bright color
			blackBright: [90, 39],
			redBright: [91, 39],
			greenBright: [92, 39],
			yellowBright: [93, 39],
			blueBright: [94, 39],
			magentaBright: [95, 39],
			cyanBright: [96, 39],
			whiteBright: [97, 39]
		},
		bgColor: {
			bgBlack: [40, 49],
			bgRed: [41, 49],
			bgGreen: [42, 49],
			bgYellow: [43, 49],
			bgBlue: [44, 49],
			bgMagenta: [45, 49],
			bgCyan: [46, 49],
			bgWhite: [47, 49],

// Bright color
			bgBlackBright: [100, 49],
			bgRedBright: [101, 49],
			bgGreenBright: [102, 49],
			bgYellowBright: [103, 49],
			bgBlueBright: [104, 49],
			bgMagentaBright: [105, 49],
			bgCyanBright: [106, 49],
			bgWhiteBright: [107, 49]
		}
	};

// Alias bright black as gray (and grey)
	styles.color.gray = styles.color.blackBright;
	styles.bgColor.bgGray = styles.bgColor.bgBlackBright;
	styles.color.grey = styles.color.blackBright;
	styles.bgColor.bgGrey = styles.bgColor.bgBlackBright;

for (const [groupName, group] of Object.entries(styles)) {
		for (const [styleName, style] of Object.entries(group)) {
			styles[styleName] = {
				open: `\u001B[${style[0]}m`,
				close: `\u001B[${style[1]}m`
			};

group[styleName] = styles[styleName];

codes.set(style[0], style[1]);
		}

Object.defineProperty(styles, groupName, {
			value: group,
			enumerable: false
		});
	}

Object.defineProperty(styles, 'codes', {
		value: codes,
		enumerable: false
	});

styles.color.close = '\u001B[39m';
	styles.bgColor.close = '\u001B[49m';

styles.color.ansi256 = wrapAnsi256();
	styles.color.ansi16m = wrapAnsi16m();
	styles.bgColor.ansi256 = wrapAnsi256(ANSI_BACKGROUND_OFFSET);
	styles.bgColor.ansi16m = wrapAnsi16m(ANSI_BACKGROUND_OFFSET);

// From https://github.com/Qix-/color-convert/blob/3f0e0d4e92e235796ccb17f6e85c72094a651f49/conversions.js
	Object.defineProperties(styles, {
		rgbToAnsi256: {
			value: (red, green, blue) => {
				// We use the extended greyscale palette here, with the exception of
				// black and white. normal palette only has 4 greyscale shades.
				if (red === green && green === blue) {
					if (red < 8) {
						return 16;
					}

if (red > 248) {
						return 231;
					}

return Math.round(((red - 8) / 247) * 24) + 232;
				}

return 16 +
					(36 * Math.round(red / 255 * 5)) +
					(6 * Math.round(green / 255 * 5)) +
					Math.round(blue / 255 * 5);
			},
			enumerable: false
		},
		hexToRgb: {
			value: hex => {
				const matches = /(?<colorString>[a-f\d]{6}|[a-f\d]{3})/i.exec(hex.toString(16));
				if (!matches) {
					return [0, 0, 0];
				}

let {colorString} = matches.groups;

if (colorString.length === 3) {
					colorString = colorString.split('').map(character => character + character).join('');
				}

const integer = Number.parseInt(colorString, 16);

return [
					(integer >> 16) & 0xFF,
					(integer >> 8) & 0xFF,
					integer & 0xFF
				];
			},
			enumerable: false
		},
		hexToAnsi256: {
			value: hex => styles.rgbToAnsi256(...styles.hexToRgb(hex)),
			enumerable: false
		}
	});

return styles;
}

// Make the export immutable
Object.defineProperty(module, 'exports', {
	enumerable: true,
	get: assembleStyles
});

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