edx-platform XBlock Extraction

[feanil]

In this epic we will extract out all the xblocks exists in edx-platform here

We have created a new repo where all these xblocks will reside sharing the common requirements file and release process.

Here is the core architecture PR for this repo

More details here: https://openedx.atlassian.net/wiki/spaces/AC/pages/4243030019/edx-platform+XBlock+extraction

Tasks

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1. Expose builtin block Sass variables as CSS variables #35173
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2. Convert builtin block Sass variables into CSS variables #35306
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3. Add Waffle flags to roll out extracted XBlocks #35308
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4. Replace builtin block Sass with vanilla CSS #35300
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5. Spike: Extract builtin block JS
6. WordCloudBlock Extraction #34840
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7. AnnotatableBlock Extraction #34841
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8. PollBlock Extraction #34839
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9. ... more extractions

[irtazaakram]

We will now move these xblocks to single repo as discussed here openedx/axim-engineering#1169

Repo: https://github.com/openedx/xblocks-contrib

[nsprenkle]

I'm curious, is there any desire to move extract other core XBlock types as well? Specifically, I'm thinking things like:

• HTML Block
• Video Block
• Problem Block

We've run into places where we had wanted to add/extend behavior and were limited by the fact that these were too tightly integrated into platform to neatly override them. I've also done some thinking here so happy to help with scoping / discovery on that work.

[farhan]

@nsprenkle Thanks for expressing the interest.

I've updated the story description to include more details. Any contributions or insights you can provide would be greatly appreciated.