Update: Bind all undertaker functions on the gulp instance to allow destructuring

Author: Contra

index.js

@@ -7,6 +7,15 @@ var chokidar = require('chokidar');
 
 function Gulp() {
   Undertaker.call(this);
+
+  // Bind the functions for destructuring
+  this.watch = this.watch.bind(this);
+  this.task = this.task.bind(this);
+  this.series = this.series.bind(this);
+  this.parallel = this.parallel.bind(this);
+  this.registry = this.registry.bind(this);
+  this.tree = this.tree.bind(this);
+  this.lastRun = this.lastRun.bind(this);
 }
 util.inherits(Gulp, Undertaker);
 

test/watch.js

@@ -60,6 +60,23 @@ describe('gulp', function() {
       updateTempFile(tempFile);
     });
 
+    it('should work with destructuring', function(done) {
+      var tempFile = path.join(outpath, 'watch-func.txt');
+      var watch = gulp.watch;
+      var parallel = gulp.parallel;
+      var task = gulp.task;
+      createTempFile(tempFile);
+
+      task('test', function(cb) {
+        watcher.close();
+        cb();
+        done();
+      });
+
+      var watcher = watch(tempFile, parallel('test'));
+
+      updateTempFile(tempFile);
+    });
 
     it('should not call the function when no file changes: no options', function(done) {
       var tempFile = path.join(outpath, 'watch-func.txt');