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feat: add typings for hooks #3125

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merged 5 commits into from
Dec 18, 2024

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bradenmacdonald
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@bradenmacdonald bradenmacdonald commented Jul 8, 2024

Description

This PR adds typescript types for the various hooks that Paragon provides: useWindowSize, useToggle, useArrowKeyNavigation, useIndexOfLastVisibleChild, and useIsVisible. There should be no changes other than to the typings.

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@openedx-webhooks openedx-webhooks added the open-source-contribution PR author is not from Axim or 2U label Jul 8, 2024
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OK, this is very weird. Without any the other changes, merely renaming useIsVisible.jsx to useIsVisible.tsx totally breaks the build of the Paragon docs site (in dev mode, if I restart it, I cannot access the site). But the error is very obscure.

@@ -12,7 +12,7 @@ window.ResizeObserver = window.ResizeObserver
}));

function TestComponent() {
const [containerElementRef, setContainerElementRef] = React.useState(null);
const [containerElementRef, setContainerElementRef] = React.useState<HTMLDivElement | null>(null);
const overflowElementRef = React.useRef(null);
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nit/question: should both refs get the same type with HTMLDivElement, given both refs are applied to divs below?

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Done: a3fea9e

Note that changing it to useRef instead of useState for consistency seems to make one of the tests fail, so I've just left one as useState and one as useRef for now, but at least they're both HTMLDivElement refs.

@@ -19,7 +20,7 @@ const resetHandlerMocks = () => {
};

// eslint-disable-next-line react/prop-types
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nit/unrelated suggestion: could opt to disable prop-types rule for *.test.* files so we don't need to have these eslint disable comments throughout test files.

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Sure, but I'm gonna leave that out of this PR for now.

Comment on lines 7 to 9
function handleEnter(
{ event, currentIndex, activeElement }: { event: KeyboardEvent, currentIndex: number, activeElement: HTMLElement },
) {
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curious/suggestion: would it improve readability/understandability of these types if these function args and the return data structure were abstracted into an interface? E.g., something like the following:

interface HandleEnterOptions {
  event: KeyboardEvent;
  currentIndex: number;
  activeElement: HTMLElement;
}

function handleEnter({ event, currentIndex, activeElement }: HandleEnterOptions) { ... }

Similar question for handleArrowKey below

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Sure :) a3fea9e

Comment on lines 14 to 15
containerElementRef: Element | null,
overflowElementRef: Element | null,
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nit/clarification: should these Element be HTMLElement?

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Yeah - done in a3fea9e

isVisible: boolean,
sentinelRef: React.MutableRefObject<HTMLDivElement | null>,
] => {
const sentinelRef = useRef<HTMLDivElement | null>(null);
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[clarification] Will this sentinelRef always be applied to a Div element? Might it be used with non-div elements, too?

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Good point, changed to HTMLElement a3fea9e

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@bradenmacdonald just checking in to see if this is still in progress!

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@mphilbrick211 Thanks for the reminder. I lost momentum on this but now that I have @adamstankiewicz's feedback I would like to pick it up again soon!

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Update: I tried to move this forward, but I'm blocked on some strange webpack bug where it is confusing useToggle.mdx and useToggle.tsx, returning the MDX content when I import the TypeScript file. I believe the only way to fix it is likely upgrading gatsby.

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Update: I tried to move this forward, but I'm blocked on some strange webpack bug where it is confusing useToggle.mdx and useToggle.tsx, returning the MDX content when I import the TypeScript file. I believe the only way to fix it is likely upgrading gatsby.

I pulled the branch and got the docs site to build/run locally with a less than ideal workaround. I added Doc to the filenames of all the .mdx files in the hooks directory. Unfortunately that led to the url for those pages also having doc in them (example: http://localhost:8000/components/hooks/usetoggledoc/)

I'll do a little more digging to see if I can come up with a better option.

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I tried another thing which seems to work (I haven't clicked around all the docs site pages yet)

diff --git a/www/gatsby-config.js b/www/gatsby-config.js
index e3976a0b2c..c0ae5209a2 100644
--- a/www/gatsby-config.js
+++ b/www/gatsby-config.js
@@ -34,6 +34,7 @@ const plugins = [
     },
   },
   'gatsby-plugin-react-helmet',
+  'gatsby-plugin-typescript',
   {
     resolve: 'gatsby-plugin-manifest',
     options: {

@bradenmacdonald bradenmacdonald changed the base branch from master to release-22.x December 16, 2024 21:50
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codecov bot commented Dec 16, 2024

Codecov Report

Attention: Patch coverage is 95.34884% with 2 lines in your changes missing coverage. Please review.

Project coverage is 93.43%. Comparing base (5c53137) to head (a3fea9e).
Report is 7 commits behind head on release-22.x.

Files with missing lines Patch % Lines
src/hooks/useArrowKeyNavigation.tsx 80.00% 2 Missing ⚠️
Additional details and impacted files
@@               Coverage Diff                @@
##           release-22.x    #3125      +/-   ##
================================================
+ Coverage         93.42%   93.43%   +0.01%     
================================================
  Files               250      251       +1     
  Lines              4515     4522       +7     
  Branches           1017     1057      +40     
================================================
+ Hits               4218     4225       +7     
+ Misses              294      290       -4     
- Partials              3        7       +4     

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@bradenmacdonald
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@adamstankiewicz Sorry for the long delay in addressing your review, and thanks SO much to @brian-smith-tcril for helping me figure out the very obscure bug that had me stumped.

This is ready for another review !

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LGTM!

@@ -34,6 +34,7 @@ const plugins = [
},
},
'gatsby-plugin-react-helmet',
'gatsby-plugin-typescript',
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Note for reviewers: you may have noticed there are no package.json changes adding this, that is because gatsby-plugin-typescript is already a dependency of gatsby (v4 at least - I assume later versions as well) https://www.npmjs.com/package/gatsby/v/4.14.1?activeTab=dependencies

@adamstankiewicz adamstankiewicz merged commit f3b0554 into openedx:release-22.x Dec 18, 2024
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🎉 This PR is included in version 22.13.0 🎉

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