Add duration to final log for generation

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/output/generateBook.js b/lib/output/generateBook.js
index ca19067..1fe75fd 100644
--- a/lib/output/generateBook.js
+++ b/lib/output/generateBook.js
@@ -33,6 +33,7 @@ var generatePages = require('./generatePages');
 */
 function generateBook(generator, book, options) {
     options = generator.Options(options);
+    var start = Date.now();
 
     return Promise(
         Output.createForBook(book, options)
@@ -117,7 +118,10 @@ function generateBook(generator, book, options) {
 
     .then(function(output) {
         var logger = output.getLogger();
-        logger.info.ok('generation finished with success!');
+        var end = Date.now();
+        var duration = (end - start)/1000;
+
+        logger.info.ok('generation finished with success in ' + duration.toFixed(1) + 's !');
     });
 }