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Use websocket /message endpoint to deliver reload request #667

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merged 3 commits into from
Oct 30, 2024

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kmagiera
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In Expo 52, the metro /reload endpoint has been moved to a new location. As a consequence we couldn't perform JS reloads which resulted in the app being stuck in "reloading" state.

This PR updates the way we trigger reload action. A while ago, we switched the mechanism for triggering devMenu to use /message endpoint. This endpoint is also capable of handling reload command. Here, we are swapping out the reload implementation to use the /message websocket endpoint to deliver it. This method is more portable and work across older version while also being supported by expo SDK 52 (given expo/expo#32399 is published)

Fixes #664

How Has This Been Tested:

  1. Use reloads and dev menu across different projects, specifically older ones like RN 73, expo-go and on Expo 52 (not yet added here as test project)

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I tested expo-go and RN76 apps and it worked well, but after installing the newest expo template app with npx create-expo-app --template default@beta reloading app caused problems:

Screen.Recording.2024-10-29.at.19.33.57.mov

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packages/vscode-extension/src/project/metro.ts Outdated Show resolved Hide resolved
packages/vscode-extension/src/project/metro.ts Outdated Show resolved Hide resolved
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It seems that problems are not related to this PR and Expo 52 template app works on IOS.

@kmagiera kmagiera merged commit d3a3417 into main Oct 30, 2024
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@kmagiera kmagiera deleted the kmagiera/fix-expo52-reload branch October 30, 2024 06:21
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Reloads are broken on Expo 52-beta app
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