修复：在开发环境中按需编译缺失的 rollup 插件捆绑包

small-lovely-cat · 2026 年3 月 20 日 07:06

在 #38658 中，rollup 插件编译器默认启用，但是，如果插件生成的清单条目缺失或过时（例如 Chat 插件），插件可能会消失。

本次提交添加了逻辑，使用现有的清单查找路径，在开发环境中按需编译插件包，然后重试查找，从而防止像 chat 这样的插件在切换到 rollup 后在本地开发中静默加载失败。

此外，添加了一个失败的 spec 来防止回归。

之前：

即使插件已启用，开发容器中也没有任何反应。

之后：

github.com/discourse/discourse

FIX: Compile missing rollup plugin bundles on demand in development (#38746)

main ← small-lovely-cat:fix-plugin-rollup-missing-manifest

opened 07:02AM - 20 Mar 26 UTC

small-lovely-cat

+42 -4

In #38658 , rollup plugin compiler is enabled by default, however, a plugin can …disappear if its generated manifest entry is missing or stale, e.g. `Chat` plugin. This commit adds the logic using the existing manifest lookup path to compile the plugin bundle on demand in development, then retry the lookup, preventing plugins like chat from silently failing to load in local dev after the rollup switch. Also, a failing spec is added to guard against regression. --- Before: Even if the plugin is enabled, nothing happened in dev container. (See the upper right side of the page) <img width="1919" height="971" alt="image" src="https://github.com/user-attachments/assets/3ee04cdd-2f16-4c4f-8df3-f4098d47abd6" /> After: <img width="1919" height="923" alt="image" src="https://github.com/user-attachments/assets/78fa78e7-f553-4900-90da-f6ad1ee00038" /> <img width="878" height="182" alt="image" src="https://github.com/user-attachments/assets/c4534290-5c2f-436d-886e-55c811386e24" />

david · 2026 年3 月 20 日 09:17

插件资源在开发模式下启动服务器时会自动编译。这就是您截图中日志中的“[PluginJsWatcher]”那一行。我们有意将系统设计为在后台发生编译，而不是在 Web 请求期间进行编译。

我们的团队中许多人在过去几周一直在开发中使用这个系统，所以一定是你系统中有一些特殊之处导致它失败了。

您是如何启动服务器的？您设置了任何不寻常的环境变量吗？

small-lovely-cat · 2026 年3 月 20 日 09:37

我使用 devcontainer 启动了服务器，使用 git pull 从先前版本进行了更新，然后使用 ctrl+shift+b 启动服务器，但插件在启动时从未编译。

未设置任何环境变量。

david · 2026 年3 月 20 日 09:39

在控制台中，你看到 [PluginJsWatcher] 行了吗？你看到类似 [Plugin::JsManager] Finished initial compilation of plugins in 5.9s 的信息了吗？

small-lovely-cat · 2026 年3 月 20 日 09:40

更改之前，没有。

服务器刚启动时显示 ready，但聊天没有编译。

我将上传一个录屏。

small-lovely-cat · 2026 年3 月 20 日 09:54

视频似乎太大了。

请尝试：删除 /app/assets/generated

控制台显示以下内容，但聊天从未编译。

Ember CLI 正在 PID: 3456 上运行
启动 CSS 更改监视器
[ember-cli] 代理到 http://127.0.0.1:3000
[ember-cli] 正在构建... 
[ember-cli] ...[BroccoliMergeFiles]
I, [2026-03-20T09:47:37.703686 #3481]  INFO -- : 正在监听 addr=127.0.0.1:3000 fd=38
[ember-cli] ...[ConfigLoader]
[ember-cli] ...[Babel: ember-tracked-storage-polyfill > applyPatches]
[ember-cli] ...[Babel: pretty-text > applyPatches]
I, [2026-03-20T09:47:43.338485 #3466]  INFO -- : mold gen=0 pid=3481 ready
I, [2026-03-20T09:47:43.340508 #3466]  INFO -- : monitor pid=3466 ready
I, [2026-03-20T09:47:43.340654 #3466]  INFO -- : monitor process ready
I, [2026-03-20T09:47:43.361234 #3481]  INFO -- : service gen=0 spawning...
I, [2026-03-20T09:47:44.817214 #3481]  INFO -- : worker=0 gen=0 spawning...
[ember-cli] ...[Babel: @embroider/macros > applyPatches]
[ember-cli] ...[Babel: ember-this-fallback > applyPatches]
I, [2026-03-20T09:47:46.412287 #3466]  INFO -- : service gen=0 pid=4278 spawned
I, [2026-03-20T09:47:46.413532 #4278]  INFO -- : starting 1 supervised sidekiqs
I, [2026-03-20T09:47:46.716314 #3481]  INFO -- : worker=1 gen=0 spawning...
I, [2026-03-20T09:47:48.556407 #3466]  INFO -- : worker=0 gen=0 pid=4316 registered
I, [2026-03-20T09:47:48.610839 #4316]  INFO -- : worker=0 gen=0 pid=4316 ready
I, [2026-03-20T09:47:48.651842 #3481]  INFO -- : worker=2 gen=0 spawning...
I, [2026-03-20T09:47:50.233024 #3466]  INFO -- : worker=1 gen=0 pid=4371 registered
I, [2026-03-20T09:47:50.514859 #4371]  INFO -- : worker=1 gen=0 pid=4371 ready
I, [2026-03-20T09:47:50.758417 #4381]  INFO -- : Loading Sidekiq in process id 4381
I, [2026-03-20T09:47:52.373478 #3466]  INFO -- : worker=2 gen=0 pid=4413 registered
I, [2026-03-20T09:47:52.452613 #4413]  INFO -- : worker=2 gen=0 pid=4413 ready
[ember-cli] ...[@embroider/compat/app]
writing pid file /workspace/discourse/tmp/pids/plugin_js_watcher_0.pid for 4554
I, [2026-03-20T09:47:54.484062 #4554]  INFO -- : [PluginJsWatcher] Loading PluginJsWatcher in process id 4554
[ember-cli] ...[@embroider/webpack]
[Plugin::JsManager] Compiling 43 plugins...
[ember-cli] ...[@embroider/webpack]
[ember-cli] ...[@embroider/webpack]
[ember-cli] file added checklist
[ember-cli] ...[@embroider/webpack]
[ember-cli] ...[@embroider/webpack]
[ember-cli] ...[@embroider/webpack]
Finished Plugin JS watcher thread
/workspace/discourse/lib/asset_processor.rb:169:in 'MiniRacer::Context#call': terminated (MiniRacer::ScriptTerminatedError)
        from /workspace/discourse/lib/asset_processor.rb:169:in 'block in AssetProcessor.v8_call'
        from /workspace/discourse/lib/asset_processor.rb:168:in 'Thread::Mutex#synchronize'
        from /workspace/discourse/lib/asset_processor.rb:168:in 'AssetProcessor.v8_call'
        from /workspace/discourse/lib/asset_processor.rb:244:in 'AssetProcessor#rollup'
        from /workspace/discourse/lib/plugin/js_compiler.rb:21:in 'Plugin::JsCompiler#compile!'
        from /workspace/discourse/lib/plugin/js_manager.rb:132:in 'Plugin::JsManager#compile_js_bundle'
        from /workspace/discourse/lib/plugin/js_manager.rb:57:in 'block in Plugin::JsManager#compile!'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:650:in 'Parallel.call_with_index'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:620:in 'Parallel.process_incoming_jobs'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:600:in 'block in Parallel.worker'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:591:in 'Process.fork'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:591:in 'Parallel.worker'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:582:in 'block in Parallel.create_workers'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:581:in 'Array#each'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:581:in 'Enumerable#each_with_index'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:581:in 'Parallel.create_workers'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:520:in 'Parallel.work_in_processes'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:291:in 'Parallel.map'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/parallel-1.27.0/lib/parallel.rb:235:in 'Parallel.each'
        from /workspace/discourse/lib/plugin/js_manager.rb:56:in 'Plugin::JsManager#compile!'
        from /workspace/discourse/lib/plugin/js_manager.rb:190:in 'Plugin::JsManager#watch'
        from /workspace/discourse/lib/demon/plugin_js_watcher.rb:17:in 'Demon::PluginJsWatcher#after_fork'
        from /workspace/discourse/lib/demon/base.rb:188:in 'block in Demon::Base#run'
        from /workspace/discourse/lib/demon/base.rb:184:in 'Kernel#fork'
        from /workspace/discourse/lib/demon/base.rb:184:in 'Demon::Base#run'
        from /workspace/discourse/lib/demon/base.rb:177:in 'Demon::Base#start'
        from /workspace/discourse/lib/demon/base.rb:30:in 'block in Demon::Base.start'
        from 内部:257:in 'Integer#times'
        from /workspace/discourse/lib/demon/base.rb:30:in 'Demon::Base.start'
        from /workspace/discourse/config/pitchfork.conf.rb:126:in 'block in Pitchfork::Configurator#load'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork/http_server.rb:631:in 'Pitchfork::HttpServer#service_loop'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork/http_server.rb:680:in 'block in Pitchfork::HttpServer#spawn_service'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork/http_server.rb:1222:in 'block in Pitchfork::HttpServer#fork_sibling'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork.rb:170:in 'block in Pitchfork.clean_fork'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork.rb:168:in 'Kernel#catch'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork.rb:168:in 'Pitchfork.clean_fork'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork/http_server.rb:690:in 'Pitchfork::HttpServer#spawn_initial_mold'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/lib/pitchfork/http_server.rb:176:in 'Pitchfork::HttpServer#start'
        from /home/discourse/.bundle/gems/ruby/3.4.0/gems/pitchfork-0.18.2/exe/pitchfork:110:in '<required>'
        from /workspace/discourse/bin/pitchfork:58:in 'Kernel#load'
        from /workspace/discourse/bin/pitchfork:58:in 'block in <main>'
        from /workspace/discourse/bin/pitchfork:58:in 'Kernel#fork'
        from /workspace/discourse/bin/pitchfork:58:in '<main>'
[ember-cli] ...[@embroider/webpack]
[ember-cli] ...[@embroider/webpack]
[ember-cli] ...[@embroider/webpack]
[ember-cli] ...[Babel: discourse > applyPatches]
[ember-cli] 
[ember-cli] Build successful (105607ms) – Serving on http://localhost:4200/
[ember-cli] 
[ember-cli] Slowest Nodes (totalTime >= 5%) | Total (avg)
[ember-cli] -+---
[ember-cli] @embroider/webpack (1) | 86394ms
[ember-cli] @embroider/compat/app (1) | 6764ms
[ember-cli] Babel: pretty-text (1) | 5364ms
[ember-cli] 
[ember-cli] 正在构建... 
[ember-cli] ...[@embroider/webpack]
[ember-cli] 
[ember-cli] Build successful (4541ms) – Serving on http://localhost:4200/
[ember-cli] 
[ember-cli] Slowest Nodes (totalTime >= 5%) | Total (avg)
[ember-cli] -+---
[ember-cli] @embroider/webpack (1) | 2508ms
[ember-cli] Funnel (179) | 1005ms (5 ms)
[ember-cli] @embroider/compat/app (1) | 415ms
[ember-cli] broccoli-persistent-filter:Mapper (3) | 353ms (117 ms)
[ember-cli]

david · 2026 年3 月 20 日 09:58

啊，谢谢！

看起来聊天的初始编译在您的机器上超时了。我们来增加这个时间，使其在较慢的环境中运行得更好：

如果您能够在 docker 环境中提供更多 CPU/内存资源，这将改善您的开发体验。但至少增加这个时间应该能使其正常工作。

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修复：在开发环境中按需编译缺失的 rollup 插件捆绑包

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