decktape/libs/ansi-styles.js

'use strict';

function assembleStyles () {
	var styles = {
		modifiers: {
			reset: [0, 0],
			bold: [1, 22], // 21 isn't widely supported and 22 does the same thing
			dim: [2, 22],
			italic: [3, 23],
			underline: [4, 24],
			inverse: [7, 27],
			hidden: [8, 28],
			strikethrough: [9, 29]
		},
		colors: {
			black: [30, 39],
			red: [31, 39],
			green: [32, 39],
			yellow: [33, 39],
			blue: [34, 39],
			magenta: [35, 39],
			cyan: [36, 39],
			white: [37, 39],
			gray: [90, 39]
		},
		bgColors: {
			bgBlack: [40, 49],
			bgRed: [41, 49],
			bgGreen: [42, 49],
			bgYellow: [43, 49],
			bgBlue: [44, 49],
			bgMagenta: [45, 49],
			bgCyan: [46, 49],
			bgWhite: [47, 49]
		}
	};

	// fix humans
	styles.colors.grey = styles.colors.gray;

	Object.keys(styles).forEach(function (groupName) {
		var group = styles[groupName];

		Object.keys(group).forEach(function (styleName) {
			var style = group[styleName];

			styles[styleName] = group[styleName] = {
				open: '\u001b[' + style[0] + 'm',
				close: '\u001b[' + style[1] + 'm'
			};
		});

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

	return styles;
}

// Gecko throws a TypeError as the module.exports property is not configurable (i.e. its configurable attribute has already been set to false):

/* Object.defineProperty(module, 'exports', {
	enumerable: true,
	get: assembleStyles
}); */

// Just use a more traditional way to export the assembled styles:

var styles = assembleStyles();
Object.keys(styles).forEach(function (style) {
	module.exports[style] = styles[style];
});