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fix: debounce LSP diagnostics to get complete results (#5600)

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Luke Parker 2025-12-16 13:26:59 +10:00 • committed by GitHub
parent 72ebaeb8f7
commit ef78fd8bae
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1 changed files with 11 additions and 3 deletions
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14
packages/opencode/src/lsp/client.ts
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@ -13,6 +13,8 @@ import { withTimeout } from "../util/timeout"
import { Instance } from "../project/instance"
import { Filesystem } from "../util/filesystem"
const DIAGNOSTICS_DEBOUNCE_MS = 150
export namespace LSPClient {
const log = Log.create({ service: "lsp.client" })
@ -188,13 +190,18 @@ export namespace LSPClient {
)
log.info("waiting for diagnostics", { path: normalizedPath })
let unsub: () => void
let debounceTimer: ReturnType<typeof setTimeout> | undefined
return await withTimeout(
new Promise<void>((resolve) => {
unsub = Bus.subscribe(Event.Diagnostics, (event) => {
if (event.properties.path === normalizedPath && event.properties.serverID === result.serverID) {
log.info("got diagnostics", { path: normalizedPath })
unsub?.()
resolve()
// Debounce to allow LSP to send follow-up diagnostics (e.g., semantic after syntax)
if (debounceTimer) clearTimeout(debounceTimer)
debounceTimer = setTimeout(() => {
log.info("got diagnostics", { path: normalizedPath })
unsub?.()
resolve()
}, DIAGNOSTICS_DEBOUNCE_MS)
}
})
}),
@ -202,6 +209,7 @@ export namespace LSPClient {
)
.catch(() => {})
.finally(() => {
if (debounceTimer) clearTimeout(debounceTimer)
unsub?.()
})
},