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Concurrent editing with JSON Patch and Operational Transformation #173

Closed jasoniangreen closed 4 years ago

jasoniangreen commented 4 years ago

You often want to build an app as quickly as possible. To get some kind of MVP in the hands of users, giving them value and something for you to incrementally improve. Most features can come later, but if you ever intend to offer a shared editing experience of any kind, you really need to think about it up front.

At Threads Styling we were faced with such a prospect when planning their Social Story builder. Having worked with CMSs in the past, we knew the pain of managing document locks with all their edge cases. We also knew that eventually the use case will arise to concurrently edit the document, and if you haven’t planned for it, it is a monumental task.

By treating the document as a stream of JSON patch changes from the very beginning, we were able to offer real-time collaborative editing with conflict resolution smoothly handled by an Operational Transformation algorithm. In this talk, Jason will discuss the concepts involved and demonstrate a simple, but working example of a shared document using our open source library.

By Jason Green, Principal Developer at Threads Styling - Twitter: @aziraphael

I confirm my talk is 20 mins long in total.

I confirm that I will abide by the Code of Conduct

Ankcorn commented 4 years ago

Hey @jasoniangreen sounds like a great talk. It would be awesome to have you at LNUG. We have 1 speaker slot left for the 25th of September. After that it would be the 23rd of October. Let us know what you can do! 👍

jasoniangreen commented 4 years ago

Yep, sounds good @Ankcorn. 25th of September it is!

Ankcorn commented 4 years ago

Lets get this scheduled! 👍

I'm looking forward to this.

neshka commented 4 years ago

Hi @jasoniangreen

Just confirming - how are things looking for your talk on Wednesday? All good?

details of the venue:

CONDÉ NAST ADELPHI BUILDING 1-11 JOHN ADAM ST WC2N 6HT

I will be there from about 6:15pm - people start arriving around 6:30 and we plan to start with talks after a brief intro and welcome at 7pm

If you have any issues - please call @admataz: 07757234443 or me: 07752387427

See you there! Aga

jasoniangreen commented 4 years ago

Thanks for the info, and yes, I'm all good.

overlookmotel commented 4 years ago

@jasoniangreen Hi JSON. Really interesting talk last night.

I'm keen to play with it, but didn't note down the URL. Could you please post a link?

Google takes me here, but I think this is not your package - I vaguely remember the npm package had @threads in the name.

jasoniangreen commented 4 years ago

Here are the slides: https://www.slideshare.net/JasonGreen146/concurrent-editing-with-operational-transformations-and-json-patch

And everything else: https://www.npmjs.com/package/@threads/json-patch-ot https://github.com/ThreadsStyling/json-patch-ot https://github.com/ThreadsStyling/json-patch-ot-example

npm install @threads/json-patch-ot

overlookmotel commented 4 years ago

@jasoniangreen Thanks!

neshka commented 4 years ago

Hi @jasoniangreen!

Thank you so much for the talk yesterday. I hope you had a good time.

We will send you the video as soon it's ready.

admataz commented 4 years ago

Hey @jasoniangreen

The video for your talk is now online on our YouTube channel: https://youtu.be/sLwjXjjZ9Hs

Thanks again for a great talk and sharing your work - really valuable insights.

Hopefully see you again soon at another LNUG - join us any time. If you have any feedback on the organisation or the meetup night - please feel free to let us know!