feat: Mathjax for formules formatting

[vladislavkeblysh]

Description

• Add Mathjax lib for formatting formules

Screenshots before:

Screenshots after:

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[vladislavkeblysh]

Has problem with CI checker. Tried to use node version 18.19 and npm 9/10. Problems still unsolved

[brian-smith-tcril]

@vladislavkeblysh I tried pulling this locally and running

nvm use
npm ci

and I was able to reproduce the error CI is showing. I then ran

npm install

and then

npm ci

and the error was no longer there.

This makes me think that CI should make it past the current error if you run

npm install

and check in the updated package-lock.json

[vladislavkeblysh]

@brian-smith-tcril I did the same thing, but the problem persists.

[brian-smith-tcril]

@vladislavkeblysh what do you see locally when running

rm -rf node_modules
nvm use
npm ci

[arbrandes]

We'll probably want product review, here. Mathjax support across the platform is somewhat inconsistent, and we'll likely want to figure out a strategy going forward.

[mphilbrick211]

@jmakowski1123 - is there a product roadmap ticket for this?

[jmakowski1123]

This one needs a roadmap ticket and product review.

[mphilbrick211]

This one needs a roadmap ticket and product review.

Thanks @jmakowski1123 - can you link to the roadmap ticket here (once it's live)?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (508c91d) to head (fb8a4db).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #339   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          107       107           
  Lines         1086      1086           
  Branches       161       160    -1     
=========================================
  Hits          1086      1086           

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[vladislavkeblysh]

@arbrandes @brian-smith-tcril ready to review

[mphilbrick211]

Per @jmakowski1123 this does not need to go through Prod review. All set to merge after review.

[arbrandes]

The code looks alright, but I'm concerned that this uses a completely different method to load MathJax than the current pattern in the codebase, which is to load MathJax 2.7.5 directly from a CDN. (edx-platform example, frontend example).

I also don't see an attempt to replicate the MathJax configuration used elsewhere (edx-platform example, frontend example). What makes this worse is that apparently there is no single configuration pattern in the codebase. Has an evaluation been made to check that what configuration is actually necessary?

In other words: how likely is it that loading MathJax via better-react-mathjax will result in a rendering that is different than what the author intended?

[vladislavkeblysh]

@arbrandes Thanks for pointing that out. I’ve checked both MathJax configurations you referenced.

I’ve updated the configuration in better-react-mathjax to match them:
• MathJax v2.7.5 (same as current CDN load)
• inlineMath and displayMath definitions from both templates
• processEscapes: true and SVG max-width fixes
• messageStyle: 'none' and automatic linebreaks for all output types