Merge pull request #2 from Kreozot/noSort_option

Added 'noSort' option to disable sorting.

README.md

@@ -38,6 +38,7 @@ console.log(columns(values));
   - `newline` `{String}` (default: `'\n'`) Newline character.
   - `padding` `{Number}` (default: `2`) Space between columns.
   - `width` `{Number}` (default: `process.stdout.columns`) Max width of list.
+  - `noSort` `{Boolean}` (default: `false`) No use sorting.
 
 Sorts and formats a list of values into columns suitable to display in a given width.
 

src/cli-columns.js

@@ -7,7 +7,8 @@ var defaults = {
 	character: ' ',
 	newline: '\n',
 	padding: 2,
-	width: 0
+	width: 0,
+	noSort: false
 };
 
 function byPlainText(a, b) {
@@ -45,8 +46,10 @@ function columns(values, options) {
 
 	var cells = values
 		.filter(Boolean)
-		.map(String)
-		.sort(byPlainText);
+		.map(String);
+	if (!options.noSort) {
+		cells = cells.sort(byPlainText);
+	}
 
 	var termWidth = options.width || process.stdout.columns;
 	var cellWidth = Math.max.apply(null, cells.map(stringWidth)) + options.padding;

test/cli-columns.js

@@ -55,3 +55,30 @@ test('should print complex list', async assert => {
 
 	assert.is(stripAnsi(cols), expected);
 });
+
+test('should no sort with noSort option', async assert => {
+	var cols = columns(
+		[
+			'foo', 'bar', 'baz',
+			chalk.cyan('嶜憃撊') + ' 噾噿嚁',
+			'blue' + chalk.bgBlue('berry'),
+			chalk.red('apple'), 'pomegranate',
+			'durian', chalk.green('star fruit'),
+			'apricot', 'banana pineapple'
+		],
+		{
+			width: 80,
+			noSort: true
+		}
+	);
+
+	// Visual test
+	console.log(chalk.yellow(cols) + '\n');
+
+	var expected =
+		'foo               嶜憃撊 噾噿嚁     pomegranate       apricot           \n' +
+		'bar               blueberry         durian            banana pineapple  \n' +
+		'baz               apple             star fruit        ';
+
+	assert.is(stripAnsi(cols), expected);
+});