chore(bro): make watchify an optional dependency

nikku · Jan 24, 2016 · ffd145c · ffd145c
1 parent 84138e2
commit ffd145c
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/lib/bro.js b/lib/bro.js
@@ -1,8 +1,17 @@
 'use strict';
 
 var browserify = require('browserify'),
-    watchify = require('watchify'),
-    convert = require('convert-source-map'),
+    watchify;
+
+try {
+  watchify = require('watchify');
+} catch (e) {
+  console.error('watchify not found; install it via npm install --save-dev watchify');
+  console.error('incremental rebuild will be disabled');
+}
+
+
+var convert = require('convert-source-map'),
     minimatch = require('minimatch'),
     escape = require('js-string-escape');
 
@@ -220,7 +229,7 @@ function Bro(bundleFile) {
     }
 
     // register rebuild bundle on change
-    if (config.autoWatch) {
+    if (config.autoWatch && watchify) {
       w = watchify(w, config.watchify);
 
       log.info('registering rebuild (autoWatch=true)');