Fix for issue #281, support for Chrome v 48

gulp/tasks/dev.js

@@ -2,7 +2,7 @@
  * Created by knut on 2015-12-26.
  */
 var gulp = require('gulp');
-
+var shell = require('gulp-shell');
 var liveServer = require("live-server");
 
 var params = {
@@ -18,3 +18,44 @@ var params = {
 gulp.task('live-server',function(){
     liveServer.start(params);
 });
+
+
+gulp.task('watch2',['live-server'],function(){
+return shell.task([
+    'watchify src/mermaid.js    -s mermaid   -o dist/mermaid.js',
+    'node node_modules/eslint-watch/bin/esw src -w'
+    ]);
+});
+
+
+// Basic usage
+gulp.task('watch-mermaid',function() {
+
+    return gulp.src('src/mermaid.js')
+        .pipe(browserify({
+            entry:'src/mermaid.js',
+            standalone: 'mermaid'
+        }))
+        .pipe(rename('mermaid.js'))
+        .pipe(gulp.dest('./dist/'))
+        .pipe(uglify())
+        .pipe(extReplace('.min.js'))
+        .pipe(gulp.dest('./dist/'));
+});
+
+//var bg = require("gulp-bg");
+//
+//let bgtask;
+//gulp.task("server", bgtask = bg("node", "--harmony", "server.js"));
+//
+//const exitCallback = (proc) => { if (proc.errorcode != 0) { process.exit(proc.errorcode); } };
+//
+//gulp.task("stop", () => {
+//    bgtask.setCallback(exitCallback);
+//bgtask.stop();
+//}
+//});
+//
+//gulp.task("default", ["server"], function() {
+//    gulp.watch(["server.js"], ["server"]);
+//});