Type definitions for bull: https://github.com/OptimalBits/bull

bull/bull-tests.ts.tscparams

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+--target es5 --noImplicitAny --module commonjs

bull/bull-tests.tsx

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+/**
+ * Created by Bruno Grieder
+ */
+
+///<reference path="./bull.d.ts" />
+
+
+import * as Queue from "bull"
+
+var videoQueue = Queue( 'video transcoding', 6379, '127.0.0.1' );
+var audioQueue = Queue( 'audio transcoding', 6379, '127.0.0.1' );
+var imageQueue = Queue( 'image transcoding', 6379, '127.0.0.1' );
+
+videoQueue.process( ( job: Queue.Job, done: Queue.DoneCallback ) => {
+
+    // job.data contains the custom data passed when the job was created
+    // job.jobId contains id of this job.
+
+    // transcode video asynchronously and report progress
+    job.progress( 42 );
+
+    // call done when finished
+    done();
+
+    // or give a error if error
+    done( Error( 'error transcoding' ) );
+
+    // or pass it a result
+    done( null, { framerate: 29.5 /* etc... */ } );
+
+    // If the job throws an unhandled exception it is also handled correctly
+    throw (Error( 'some unexpected error' ));
+} );
+
+audioQueue.process( ( job: Queue.Job, done: Queue.DoneCallback ) => {
+    // transcode audio asynchronously and report progress
+    job.progress( 42 );
+
+    // call done when finished
+    done();
+
+    // or give a error if error
+    done( Error( 'error transcoding' ) );
+
+    // or pass it a result
+    done( null, { samplerate: 48000 /* etc... */ } );
+
+    // If the job throws an unhandled exception it is also handled correctly
+    throw (Error( 'some unexpected error' ));
+} );
+
+imageQueue.process( ( job: Queue.Job, done: Queue.DoneCallback ) => {
+    // transcode image asynchronously and report progress
+    job.progress( 42 );
+
+    // call done when finished
+    done();
+
+    // or give a error if error
+    done( Error( 'error transcoding' ) );
+
+    // or pass it a result
+    done( null, { width: 1280, height: 720 /* etc... */ } );
+
+    // If the job throws an unhandled exception it is also handled correctly
+    throw (Error( 'some unexpected error' ));
+} );
+
+videoQueue.add( { video: 'http://example.com/video1.mov' } );
+audioQueue.add( { audio: 'http://example.com/audio1.mp3' } );
+imageQueue.add( { image: 'http://example.com/image1.tiff' } );
+
+
+//////////////////////////////////////////////////////////////////////////////////
+//
+// Using Promises
+//
+//////////////////////////////////////////////////////////////////////////////////
+
+const fetchVideo = ( url: string ): Promise<any> => { return null }
+const transcodeVideo = ( data: any ): Promise<void> => { return null }
+
+interface VideoJob extends Queue.Job {
+    data: {url: string}
+}
+
+
+videoQueue.process( ( job: VideoJob ) => { // don't forget to remove the done callback!
+    // Simply return a promise
+    return fetchVideo( job.data.url ).then( transcodeVideo );
+
+    // Handles promise rejection
+    return Promise.reject( new Error( 'error transcoding' ) );
+
+    // Passes the value the promise is resolved with to the "completed" event
+    return Promise.resolve( { framerate: 29.5 /* etc... */ } );
+
+    // If the job throws an unhandled exception it is also handled correctly
+    throw new Error( 'some unexpected error' );
+    // same as
+    return Promise.reject( new Error( 'some unexpected error' ) );
+} );