Fix - Chat - Compose box stays in the middle when reduced with a several lines message

[FitseTLT]

Details

Fixed Issues

$ #49541
PROPOSAL: #49541 (comment)

Tests

1. Open the staging.new.expensify.com website.
2. Open any chat.
3. On compose box, start writing a message adding new lines until a scrollbar can be seen.
4. Tap on the "Expand" button.
5. Keep adding lines to the message until a scrollbar can also be seen with the compose box expanded.
6. Reduce the compose box size.
7. Verify that the compose is scrolled to the bottom

• Verify that no errors appear in the JS console

Offline tests

Same as above

QA Steps

Same as above

• Verify that no errors appear in the JS console

PR Author Checklist

• I linked the correct issue in the ### Fixed Issues section above
• I wrote clear testing steps that cover the changes made in this PR
  • I added steps for local testing in the Tests section
  • I added steps for the expected offline behavior in the Offline steps section
  • I added steps for Staging and/or Production testing in the QA steps section
  • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
  • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
• I included screenshots or videos for tests on all platforms
• I ran the tests on all platforms & verified they passed on:
  • Android: Native
  • Android: mWeb Chrome
  • iOS: Native
  • iOS: mWeb Safari
  • MacOS: Chrome / Safari
  • MacOS: Desktop
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• If the PR modifies code that runs when editing or sending messages, I tested and verified there is no unexpected behavior for all supported markdown - URLs, single line code, code blocks, quotes, headings, bold, strikethrough, and italic.
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Screenshots/Videos

Android: Native

2024-10-23.19-07-45.mp4

Android: mWeb Chrome

aw.mp4

iOS: Native

2024-10-23.18-47-28.mp4

iOS: mWeb Safari

iw.mp4

MacOS: Chrome / Safari

w.mp4

MacOS: Desktop

d.mp4

[melvin-bot]

@rayane-djouah Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

[FitseTLT]

still working on native behaviour 👍

[rayane-djouah]

@FitseTLT Any update?

[FitseTLT]

@rayane-djouah, I am having difficulty scrolling the text input imperatively on native, unlike the web case. There is neither scrollTo function nor scrollTop prop to set on the ref. Do you have any suggestions?

[rayane-djouah]

Will check on my end and let you know

[rayane-djouah]

@FitseTLT The bug reported in #49541 (comment) is not reproducible on native platforms. Therefore, I believe we should maintain the current behavior for native.

[FitseTLT]

But @rayane-djouah I am seeing the same problem as the OP in IOS, for instance,

2024-10-22.16-03-05.mp4

[rayane-djouah]

Oh, so this bug is specific to iOS native? Then we need to find a solution for it.

[FitseTLT]

@rayane-djouah I have managed to scroll to cursor position, to indirectly solve the problem on native. Look at the results, I have now uploaded the native screenshots in OP, and let me know your opinion.

[rayane-djouah]

@FitseTLT Jest tests and performance tests are failing

[rayane-djouah]

@Expensify/design We've addressed the issue as detailed in this comment. However, due to platform constraints on iOS native, we're unable to directly align the scroll position to the bottom of the composer bar, it's always aligned to the top by default. As a workaround, we've implemented a solution to programmatically scroll the input, which introduces a scrolling animation. Could you please review the two videos comparing the behavior before and after the fix? We would like your feedback on whether the scrolling animation is acceptable.

Current iOS app behavior	Behavior after the fix
Simulator.Screen.Recording.-.iPhone.15.Pro.Max.-.2024-11-20.at.18.26.35.mp4	Simulator.Screen.Recording.-.iPhone.15.Pro.Max.-.2024-11-20.at.18.29.15.mp4

[dannymcclain]

It feels a little teeny tiny bit weird to me, but I think I still prefer it over losing visibility of my cursor. Keen for the other designers to weigh in.

[shawnborton]

Yup, I agree with that. Feels like an improvement for sure though!

[dubielzyk-expensify]

Agree with you both

[rayane-djouah]

@FitseTLT There are merge conflicts

[FitseTLT]

Resolved @rayane-djouah

[rayane-djouah]

LGTM and tests well 👍

[OSBotify]

✋ This PR was not deployed to staging yet because QA is ongoing. It will be automatically deployed to staging after the next production release.

[github-actions]

🚀 Deployed to staging by https://github.com/marcaaron in version: 9.0.72-0 🚀

platform	result
🤖 android 🤖	success ✅
🖥 desktop 🖥	success ✅
🍎 iOS 🍎	success ✅
🕸 web 🕸	success ✅
🤖🔄 android HybridApp 🤖🔄	failure ❌
🍎🔄 iOS HybridApp 🍎🔄	success ✅

[github-actions]

🚀 Deployed to staging by https://github.com/marcaaron in version: 9.0.72-0 🚀

platform	result
🤖 android 🤖	success ✅
🖥 desktop 🖥	success ✅
🍎 iOS 🍎	success ✅
🕸 web 🕸	success ✅
🤖🔄 android HybridApp 🤖🔄	success ✅
🍎🔄 iOS HybridApp 🍎🔄	success ✅

[github-actions]

🚀 Deployed to production by https://github.com/luacmartins in version: 9.0.72-1 🚀

platform	result
🤖 android 🤖	success ✅
🖥 desktop 🖥	success ✅
🍎 iOS 🍎	success ✅
🕸 web 🕸	success ✅
🤖🔄 android HybridApp 🤖🔄	failure ❌
🍎🔄 iOS HybridApp 🍎🔄	failure ❌