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fix: fix pre-bundling executes multiple times #3640

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merged 2 commits into from Jul 23, 2021
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16 changes: 10 additions & 6 deletions packages/vite/src/node/server/index.ts
Expand Up @@ -542,15 +542,19 @@ export async function createServer(
}

if (!middlewareMode && httpServer) {
let isOptimized = false
// overwrite listen to run optimizer before server start
const listen = httpServer.listen.bind(httpServer)
httpServer.listen = (async (port: number, ...args: any[]) => {
try {
await container.buildStart({})
await runOptimize()
} catch (e) {
httpServer.emit('error', e)
return
if (!isOptimized) {
try {
await container.buildStart({})
await runOptimize()
isOptimized = true
} catch (e) {
httpServer.emit('error', e)
return
}
}
return listen(port, ...args)
}) as any
Expand Down