chore: cleanup (#14113)

packages/app/src/components/session/session-context-tab.tsx

@@ -5,6 +5,7 @@ import { useSync } from "@/context/sync"
 import { useLayout } from "@/context/layout"
 import { checksum } from "@opencode-ai/util/encode"
 import { findLast } from "@opencode-ai/util/array"
+import { same } from "@/utils/same"
 import { Icon } from "@opencode-ai/ui/icon"
 import { Accordion } from "@opencode-ai/ui/accordion"
 import { StickyAccordionHeader } from "@opencode-ai/ui/sticky-accordion-header"
@@ -16,13 +17,6 @@ import { getSessionContextMetrics } from "./session-context-metrics"
 import { estimateSessionContextBreakdown, type SessionContextBreakdownKey } from "./session-context-breakdown"
 import { createSessionContextFormatter } from "./session-context-format"
 
-interface SessionContextTabProps {
-  messages: () => Message[]
-  visibleUserMessages: () => UserMessage[]
-  view: () => ReturnType<ReturnType<typeof useLayout>["view"]>
-  info: () => ReturnType<ReturnType<typeof useSync>["session"]["get"]>
-}
-
 const BREAKDOWN_COLOR: Record<SessionContextBreakdownKey, string> = {
   system: "var(--syntax-info)",
   user: "var(--syntax-success)",
@@ -91,11 +85,45 @@ function RawMessage(props: {
   )
 }
 
-export function SessionContextTab(props: SessionContextTabProps) {
+const emptyMessages: Message[] = []
+const emptyUserMessages: UserMessage[] = []
+
+export function SessionContextTab() {
   const params = useParams()
   const sync = useSync()
+  const layout = useLayout()
   const language = useLanguage()
 
+  const sessionKey = createMemo(() => `${params.dir}${params.id ? "/" + params.id : ""}`)
+  const view = createMemo(() => layout.view(sessionKey))
+  const info = createMemo(() => (params.id ? sync.session.get(params.id) : undefined))
+
+  const messages = createMemo(
+    () => {
+      const id = params.id
+      if (!id) return emptyMessages
+      return (sync.data.message[id] ?? []) as Message[]
+    },
+    emptyMessages,
+    { equals: same },
+  )
+
+  const userMessages = createMemo(
+    () => messages().filter((m) => m.role === "user") as UserMessage[],
+    emptyUserMessages,
+    { equals: same },
+  )
+
+  const visibleUserMessages = createMemo(
+    () => {
+      const revert = info()?.revert?.messageID
+      if (!revert) return userMessages()
+      return userMessages().filter((m) => m.id < revert)
+    },
+    emptyUserMessages,
+    { equals: same },
+  )
+
   const usd = createMemo(
     () =>
       new Intl.NumberFormat(language.locale(), {
@@ -104,7 +132,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
       }),
   )
 
-  const metrics = createMemo(() => getSessionContextMetrics(props.messages(), sync.data.provider.all))
+  const metrics = createMemo(() => getSessionContextMetrics(messages(), sync.data.provider.all))
   const ctx = createMemo(() => metrics().context)
   const formatter = createMemo(() => createSessionContextFormatter(language.locale()))
 
@@ -113,7 +141,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
   })
 
   const counts = createMemo(() => {
-    const all = props.messages()
+    const all = messages()
     const user = all.reduce((count, x) => count + (x.role === "user" ? 1 : 0), 0)
     const assistant = all.reduce((count, x) => count + (x.role === "assistant" ? 1 : 0), 0)
     return {
@@ -124,7 +152,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
   })
 
   const systemPrompt = createMemo(() => {
-    const msg = findLast(props.visibleUserMessages(), (m) => !!m.system)
+    const msg = findLast(visibleUserMessages(), (m) => !!m.system)
     const system = msg?.system
     if (!system) return
     const trimmed = system.trim()
@@ -146,12 +174,12 @@ export function SessionContextTab(props: SessionContextTabProps) {
 
   const breakdown = createMemo(
     on(
-      () => [ctx()?.message.id, ctx()?.input, props.messages().length, systemPrompt()],
+      () => [ctx()?.message.id, ctx()?.input, messages().length, systemPrompt()],
       () => {
         const c = ctx()
         if (!c?.input) return []
         return estimateSessionContextBreakdown({
-          messages: props.messages(),
+          messages: messages(),
           parts: sync.data.part as Record<string, Part[] | undefined>,
           input: c.input,
           systemPrompt: systemPrompt(),
@@ -169,7 +197,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
   }
 
   const stats = [
-    { label: "context.stats.session", value: () => props.info()?.title ?? params.id ?? "—" },
+    { label: "context.stats.session", value: () => info()?.title ?? params.id ?? "—" },
     { label: "context.stats.messages", value: () => counts().all.toLocaleString(language.locale()) },
     { label: "context.stats.provider", value: providerLabel },
     { label: "context.stats.model", value: modelLabel },
@@ -186,7 +214,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
     { label: "context.stats.userMessages", value: () => counts().user.toLocaleString(language.locale()) },
     { label: "context.stats.assistantMessages", value: () => counts().assistant.toLocaleString(language.locale()) },
     { label: "context.stats.totalCost", value: cost },
-    { label: "context.stats.sessionCreated", value: () => formatter().time(props.info()?.time.created) },
+    { label: "context.stats.sessionCreated", value: () => formatter().time(info()?.time.created) },
     { label: "context.stats.lastActivity", value: () => formatter().time(ctx()?.message.time.created) },
   ] satisfies { label: string; value: () => JSX.Element }[]
 
@@ -199,7 +227,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
     const el = scroll
     if (!el) return
 
-    const s = props.view()?.scroll("context")
+    const s = view().scroll("context")
     if (!s) return
 
     if (el.scrollTop !== s.y) el.scrollTop = s.y
@@ -220,13 +248,13 @@ export function SessionContextTab(props: SessionContextTabProps) {
       pending = undefined
       if (!next) return
 
-      props.view().setScroll("context", next)
+      view().setScroll("context", next)
     })
   }
 
   createEffect(
     on(
-      () => props.messages().length,
+      () => messages().length,
       () => {
         requestAnimationFrame(restoreScroll)
       },
@@ -300,7 +328,7 @@ export function SessionContextTab(props: SessionContextTabProps) {
         <div class="flex flex-col gap-2">
           <div class="text-12-regular text-text-weak">{language.t("context.rawMessages.title")}</div>
           <Accordion multiple>
-            <For each={props.messages()}>
+            <For each={messages()}>
               {(message) => (
                 <RawMessage message={message} getParts={getParts} onRendered={restoreScroll} time={formatter().time} />
               )}