Add command to generate all ebooks

lib/index.js

@@ -26,7 +26,7 @@ var FORMAT_OPTION = {
 module.exports = {
 	Book: Book,
 
-	commands: [
+	commands: _.flatten([
 		// Build command that simply build a book into an output folder
 		{
 			name: "build [book] [output]",
@@ -54,28 +54,30 @@ module.exports = {
 		},
 
 		// Build  an ebook and output it
-		{
-			name: "pdf [book] [output]",
-			description: "build a book to pdf",
-			options: [
-				LOG_OPTION
-			],
-			exec: function(args, kwargs) {
-				var input = args[0] || process.cwd();
-				var output = args[1];
+		_.map(["pdf", "epub", "mobi"], function(ebookType) {
+			return {
+				name: ebookType+" [book] [output]",
+				description: "build a book to "+ebookType,
+				options: [
+					LOG_OPTION
+				],
+				exec: function(args, kwargs) {
+					var input = args[0] || process.cwd();
+					var output = args[1];
 
-				var book = new Book(input, _.extend({}, {
-					'logLevel': Book.LOG_LEVELS[(kwargs.log).toUpperCase()]
-				}));
+					var book = new Book(input, _.extend({}, {
+						'logLevel': Book.LOG_LEVELS[(kwargs.log).toUpperCase()]
+					}));
 
-				return book.parse()
-				.then(function() {
-					return book.generateFile(output, {
-						ebookFormat: "pdf"
+					return book.parse()
+					.then(function() {
+						return book.generateFile(output, {
+							ebookFormat: ebookType
+						});
 					});
-				});
-			}
-		},
+				}
+			};
+		}),
 
 		// Build and serve a book
 		{
@@ -183,5 +185,5 @@ module.exports = {
 				});
 			}
 		}
-	]
+	])
 };