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fix(remix): restrict hono dev-server full-reload to backend files

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@hono/vite-dev-server's default handleHotUpdate triggers a full page
reload for any changed module that was loaded for SSR. With React
Router's `ssr: true`, that is essentially every app/route file, so
every edit forced a full reload and React Refresh never ran.

Wrap serverAdapter(...) and override the returned plugin's
handleHotUpdate to only invoke the full-reload path for files under
apps/remix/server/** (the actual Hono backend). Everything else falls
through to the React Router HMR / React Refresh pipeline.
This commit is contained in:
ephraimduncan
2026-04-30 15:23:44 +00:00
parent 2f4c3893a3
commit 6f95494ad9
1 changed files with 28 additions and 15 deletions
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apps/remix/vite.config.ts
+28 -15
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@@ -16,6 +16,33 @@ const require = createRequire(import.meta.url);
const pdfjsDistPath = path.dirname(require.resolve('pdfjs-dist/package.json'));
const cMapsDir = normalizePath(path.join(pdfjsDistPath, 'cmaps'));
const honoDevServer = serverAdapter({
entry: 'server/router.ts',
exclude: [
// Spread the defaults but replace the /.css$/ rule so that Bull
// Board's static CSS at /api/jobs/board/static/** passes through to Hono.
...devServerDefaults.exclude.map((pattern) =>
pattern instanceof RegExp && pattern.source === '.*\\.css$'
? /^(?!\/api\/jobs\/board\/).*\.css$/
: pattern,
),
'/assets/**',
'/src/app/**',
/\?(?:inline|url|no-inline|raw|import(?:&(?:inline|url|no-inline|raw)?)?)$/,
],
});
// Restrict @hono/vite-dev-server's full-reload to backend files. Otherwise it
// fires on any SSR-loaded module change, which kills HMR for the entire app.
const honoServerDir = path.resolve(__dirname, 'server') + path.sep;
const upstreamHandleHotUpdate = honoDevServer.handleHotUpdate;
honoDevServer.handleHotUpdate = async function (ctx) {
if (!ctx.file.startsWith(honoServerDir)) return;
return typeof upstreamHandleHotUpdate === 'function'
? upstreamHandleHotUpdate.call(this, ctx)
: upstreamHandleHotUpdate?.handler.call(this, ctx);
};
/**
* Note: We load the env variables externally so we can have runtime enviroment variables
* for docker.
@@ -45,21 +72,7 @@ export default defineConfig({
macrosPlugin(),
lingui(),
tsconfigPaths(),
serverAdapter({
entry: 'server/router.ts',
exclude: [
// Spread the defaults but replace the /.css$/ rule so that Bull
// Board's static CSS at /api/jobs/board/static/** passes through to Hono.
...devServerDefaults.exclude.map((pattern) =>
pattern instanceof RegExp && pattern.source === '.*\\.css$'
? /^(?!\/api\/jobs\/board\/).*\.css$/
: pattern,
),
'/assets/**',
'/src/app/**',
/\?(?:inline|url|no-inline|raw|import(?:&(?:inline|url|no-inline|raw)?)?)$/,
],
}),
honoDevServer,
],
ssr: {
noExternal: ['react-dropzone', 'plausible-tracker'],