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build/node_modules/boxen/index.js

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+'use strict';
+var stringWidth = require('string-width');
+var repeating = require('repeating');
+var chalk = require('chalk');
+var objectAssign = require('object-assign');
+var widestLine = require('widest-line');
+var filledArray = require('filled-array');
+var cliBoxes = require('cli-boxes');
+var camelCase = require('camelcase');
+var ansiAlign = require('ansi-align');
+
+var getObject = function (detail) {
+	var obj;
+
+	if (typeof detail === 'number') {
+		obj = {
+			top: detail,
+			right: detail * 3,
+			bottom: detail,
+			left: detail * 3
+		};
+	} else {
+		obj = objectAssign({
+			top: 0,
+			right: 0,
+			bottom: 0,
+			left: 0
+		}, detail);
+	}
+
+	return obj;
+};
+
+var getBorderChars = function (borderStyle) {
+	var sides = [
+		'topLeft',
+		'topRight',
+		'bottomRight',
+		'bottomLeft',
+		'vertical',
+		'horizontal'
+	];
+
+	var chars;
+
+	if (typeof borderStyle === 'string') {
+		chars = cliBoxes[borderStyle];
+
+		if (!chars) {
+			throw new TypeError('Invalid border style: ' + borderStyle);
+		}
+	} else {
+		sides.forEach(function (key) {
+			if (!borderStyle[key] || typeof borderStyle[key] !== 'string') {
+				throw new TypeError('Invalid border style: ' + key);
+			}
+		});
+
+		chars = borderStyle;
+	}
+
+	return chars;
+};
+
+var getBackgroundColorName = function (x) {
+	return camelCase('bg', x);
+};
+
+module.exports = function (text, opts) {
+	opts = objectAssign({
+		padding: 0,
+		borderStyle: 'single',
+		dimBorder: false,
+		align: 'left'
+	}, opts);
+
+	if (opts.backgroundColor) {
+		opts.backgroundColor = getBackgroundColorName(opts.backgroundColor);
+	}
+
+	if (opts.borderColor && !chalk[opts.borderColor]) {
+		throw new Error(opts.borderColor + ' is not a valid borderColor');
+	}
+
+	if (opts.backgroundColor && !chalk[opts.backgroundColor]) {
+		throw new Error(opts.backgroundColor + ' is not a valid backgroundColor');
+	}
+
+	var chars = getBorderChars(opts.borderStyle);
+	var padding = getObject(opts.padding);
+	var margin = getObject(opts.margin);
+
+	var colorizeBorder = function (x) {
+		var ret = opts.borderColor ? chalk[opts.borderColor](x) : x;
+		return opts.dimBorder ? chalk.dim(ret) : ret;
+	};
+
+	var colorizeContent = function (x) {
+		return opts.backgroundColor ? chalk[opts.backgroundColor](x) : x;
+	};
+
+	text = ansiAlign(text, {align: opts.align});
+
+	var NL = '\n';
+	var PAD = ' ';
+	var lines = text.split(NL);
+
+	if (padding.top > 0) {
+		lines = filledArray('', padding.top).concat(lines);
+	}
+
+	if (padding.bottom > 0) {
+		lines = lines.concat(filledArray('', padding.bottom));
+	}
+
+	var contentWidth = widestLine(text) + padding.left + padding.right;
+	var paddingLeft = repeating(PAD, padding.left);
+	var marginLeft = repeating(PAD, margin.left);
+
+	var horizontal = repeating(chars.horizontal, contentWidth);
+	var top = colorizeBorder(repeating(NL, margin.top) + marginLeft + chars.topLeft + horizontal + chars.topRight);
+	var bottom = colorizeBorder(marginLeft + chars.bottomLeft + horizontal + chars.bottomRight + repeating(NL, margin.bottom));
+	var side = colorizeBorder(chars.vertical);
+
+	var middle = lines.map(function (line) {
+		var paddingRight = repeating(PAD, contentWidth - stringWidth(line) - padding.left);
+
+		return marginLeft + side + colorizeContent(paddingLeft + line + paddingRight) + side;
+	}).join(NL);
+
+	return top + NL + middle + NL + bottom;
+};
+
+module.exports._borderStyles = cliBoxes;