Files
tf_code/packages/app/src/pages/session.tsx

1375 lines
41 KiB
TypeScript

import type { Project, UserMessage } from "@opencode-ai/sdk/v2"
import { useDialog } from "@opencode-ai/ui/context/dialog"
import {
onCleanup,
Show,
Match,
Switch,
createMemo,
createEffect,
createComputed,
on,
onMount,
untrack,
} from "solid-js"
import { createMediaQuery } from "@solid-primitives/media"
import { createResizeObserver } from "@solid-primitives/resize-observer"
import { useLocal } from "@/context/local"
import { selectionFromLines, useFile, type FileSelection, type SelectedLineRange } from "@/context/file"
import { createStore } from "solid-js/store"
import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
import { Select } from "@opencode-ai/ui/select"
import { createAutoScroll } from "@opencode-ai/ui/hooks"
import { Button } from "@opencode-ai/ui/button"
import { showToast } from "@opencode-ai/ui/toast"
import { base64Encode, checksum } from "@opencode-ai/util/encode"
import { useNavigate, useParams, useSearchParams } from "@solidjs/router"
import { NewSessionView, SessionHeader } from "@/components/session"
import { useComments } from "@/context/comments"
import { useGlobalSync } from "@/context/global-sync"
import { useLanguage } from "@/context/language"
import { useLayout } from "@/context/layout"
import { usePrompt } from "@/context/prompt"
import { useSDK } from "@/context/sdk"
import { useSync } from "@/context/sync"
import { createSessionComposerState, SessionComposerRegion } from "@/pages/session/composer"
import { createOpenReviewFile } from "@/pages/session/helpers"
import { MessageTimeline } from "@/pages/session/message-timeline"
import { type DiffStyle, SessionReviewTab, type SessionReviewTabProps } from "@/pages/session/review-tab"
import { createScrollSpy } from "@/pages/session/scroll-spy"
import { SessionMobileTabs } from "@/pages/session/session-mobile-tabs"
import { SessionSidePanel } from "@/pages/session/session-side-panel"
import { TerminalPanel } from "@/pages/session/terminal-panel"
import { useSessionCommands } from "@/pages/session/use-session-commands"
import { useSessionHashScroll } from "@/pages/session/use-session-hash-scroll"
import { same } from "@/utils/same"
import { formatServerError } from "@/utils/server-errors"
const emptyUserMessages: UserMessage[] = []
type SessionHistoryWindowInput = {
sessionID: () => string | undefined
messagesReady: () => boolean
visibleUserMessages: () => UserMessage[]
historyMore: () => boolean
historyLoading: () => boolean
loadMore: (sessionID: string) => Promise<void>
userScrolled: () => boolean
scroller: () => HTMLDivElement | undefined
}
/**
* Maintains the rendered history window for a session timeline.
*
* It keeps initial paint bounded to recent turns, reveals cached turns in
* small batches while scrolling upward, and prefetches older history near top.
*/
function createSessionHistoryWindow(input: SessionHistoryWindowInput) {
const turnInit = 10
const turnBatch = 8
const turnScrollThreshold = 200
const turnPrefetchBuffer = 16
const prefetchCooldownMs = 400
const prefetchNoGrowthLimit = 2
const [state, setState] = createStore({
turnID: undefined as string | undefined,
turnStart: 0,
prefetchUntil: 0,
prefetchNoGrowth: 0,
})
const initialTurnStart = (len: number) => (len > turnInit ? len - turnInit : 0)
const turnStart = createMemo(() => {
const id = input.sessionID()
const len = input.visibleUserMessages().length
if (!id || len <= 0) return 0
if (state.turnID !== id) return initialTurnStart(len)
if (state.turnStart <= 0) return 0
if (state.turnStart >= len) return initialTurnStart(len)
return state.turnStart
})
const setTurnStart = (start: number) => {
const id = input.sessionID()
const next = start > 0 ? start : 0
if (!id) {
setState({ turnID: undefined, turnStart: next })
return
}
setState({ turnID: id, turnStart: next })
}
const renderedUserMessages = createMemo(
() => {
const msgs = input.visibleUserMessages()
const start = turnStart()
if (start <= 0) return msgs
return msgs.slice(start)
},
emptyUserMessages,
{
equals: same,
},
)
const preserveScroll = (fn: () => void) => {
const el = input.scroller()
if (!el) {
fn()
return
}
const beforeTop = el.scrollTop
const beforeHeight = el.scrollHeight
fn()
requestAnimationFrame(() => {
const delta = el.scrollHeight - beforeHeight
if (!delta) return
el.scrollTop = beforeTop + delta
})
}
const backfillTurns = () => {
const start = turnStart()
if (start <= 0) return
const next = start - turnBatch
const nextStart = next > 0 ? next : 0
preserveScroll(() => setTurnStart(nextStart))
}
/** Button path: reveal all cached turns, fetch older history, reveal one batch. */
const loadAndReveal = async () => {
const id = input.sessionID()
if (!id) return
const start = turnStart()
const beforeVisible = input.visibleUserMessages().length
if (start > 0) setTurnStart(0)
if (!input.historyMore() || input.historyLoading()) return
await input.loadMore(id)
if (input.sessionID() !== id) return
const afterVisible = input.visibleUserMessages().length
const growth = afterVisible - beforeVisible
if (state.prefetchNoGrowth) setState("prefetchNoGrowth", 0)
if (growth <= 0) return
if (turnStart() !== 0) return
const target = Math.min(afterVisible, Math.max(beforeVisible, renderedUserMessages().length) + turnBatch)
const nextStart = Math.max(0, afterVisible - target)
preserveScroll(() => setTurnStart(nextStart))
}
/** Scroll/prefetch path: fetch older history from server. */
const fetchOlderMessages = async (opts?: { prefetch?: boolean }) => {
const id = input.sessionID()
if (!id) return
if (!input.historyMore() || input.historyLoading()) return
if (opts?.prefetch) {
const now = Date.now()
if (state.prefetchUntil > now) return
if (state.prefetchNoGrowth >= prefetchNoGrowthLimit) return
setState("prefetchUntil", now + prefetchCooldownMs)
}
const start = turnStart()
const beforeVisible = input.visibleUserMessages().length
const beforeRendered = start <= 0 ? beforeVisible : renderedUserMessages().length
await input.loadMore(id)
if (input.sessionID() !== id) return
const afterVisible = input.visibleUserMessages().length
const growth = afterVisible - beforeVisible
if (opts?.prefetch) {
setState("prefetchNoGrowth", growth > 0 ? 0 : state.prefetchNoGrowth + 1)
} else if (growth > 0 && state.prefetchNoGrowth) {
setState("prefetchNoGrowth", 0)
}
if (growth <= 0) return
if (turnStart() !== start) return
const reveal = !opts?.prefetch
const currentRendered = renderedUserMessages().length
const base = Math.max(beforeRendered, currentRendered)
const target = reveal ? Math.min(afterVisible, base + turnBatch) : base
const nextStart = Math.max(0, afterVisible - target)
preserveScroll(() => setTurnStart(nextStart))
}
const onScrollerScroll = () => {
if (!input.userScrolled()) return
const el = input.scroller()
if (!el) return
if (el.scrollTop >= turnScrollThreshold) return
const start = turnStart()
if (start > 0) {
if (start <= turnPrefetchBuffer) {
void fetchOlderMessages({ prefetch: true })
}
backfillTurns()
return
}
void fetchOlderMessages()
}
createEffect(
on(
input.sessionID,
() => {
setState({ prefetchUntil: 0, prefetchNoGrowth: 0 })
},
{ defer: true },
),
)
createEffect(
on(
() => [input.sessionID(), input.messagesReady()] as const,
([id, ready]) => {
if (!id || !ready) return
setTurnStart(initialTurnStart(input.visibleUserMessages().length))
},
{ defer: true },
),
)
return {
turnStart,
setTurnStart,
renderedUserMessages,
loadAndReveal,
onScrollerScroll,
}
}
export default function Page() {
const globalSync = useGlobalSync()
const layout = useLayout()
const local = useLocal()
const file = useFile()
const sync = useSync()
const dialog = useDialog()
const language = useLanguage()
const params = useParams()
const navigate = useNavigate()
const sdk = useSDK()
const prompt = usePrompt()
const comments = useComments()
const [searchParams, setSearchParams] = useSearchParams<{ prompt?: string }>()
createEffect(() => {
if (!untrack(() => prompt.ready())) return
prompt.ready()
untrack(() => {
if (params.id || !prompt.ready()) return
const text = searchParams.prompt
if (!text) return
prompt.set([{ type: "text", content: text, start: 0, end: text.length }], text.length)
setSearchParams({ ...searchParams, prompt: undefined })
})
})
const [ui, setUi] = createStore({
git: false,
pendingMessage: undefined as string | undefined,
scrollGesture: 0,
scroll: {
overflow: false,
bottom: true,
},
})
const composer = createSessionComposerState()
const sessionKey = createMemo(() => `${params.dir}${params.id ? "/" + params.id : ""}`)
const workspaceKey = createMemo(() => params.dir ?? "")
const workspaceTabs = createMemo(() => layout.tabs(workspaceKey))
const tabs = createMemo(() => layout.tabs(sessionKey))
const view = createMemo(() => layout.view(sessionKey))
createEffect(
on(
() => params.id,
(id, prev) => {
if (!id) return
if (prev) return
const pending = layout.handoff.tabs()
if (!pending) return
if (Date.now() - pending.at > 60_000) {
layout.handoff.clearTabs()
return
}
if (pending.id !== id) return
layout.handoff.clearTabs()
if (pending.dir !== (params.dir ?? "")) return
const from = workspaceTabs().tabs()
if (from.all.length === 0 && !from.active) return
const current = tabs().tabs()
if (current.all.length > 0 || current.active) return
const all = normalizeTabs(from.all)
const active = from.active ? normalizeTab(from.active) : undefined
tabs().setAll(all)
tabs().setActive(active && all.includes(active) ? active : all[0])
workspaceTabs().setAll([])
workspaceTabs().setActive(undefined)
},
{ defer: true },
),
)
const isDesktop = createMediaQuery("(min-width: 768px)")
const desktopReviewOpen = createMemo(() => isDesktop() && view().reviewPanel.opened())
const desktopFileTreeOpen = createMemo(() => isDesktop() && layout.fileTree.opened())
const desktopSidePanelOpen = createMemo(() => desktopReviewOpen() || desktopFileTreeOpen())
const sessionPanelWidth = createMemo(() => {
if (!desktopSidePanelOpen()) return "100%"
if (desktopReviewOpen()) return `${layout.session.width()}px`
return `calc(100% - ${layout.fileTree.width()}px)`
})
const centered = createMemo(() => isDesktop() && !desktopReviewOpen())
function normalizeTab(tab: string) {
if (!tab.startsWith("file://")) return tab
return file.tab(tab)
}
function normalizeTabs(list: string[]) {
const seen = new Set<string>()
const next: string[] = []
for (const item of list) {
const value = normalizeTab(item)
if (seen.has(value)) continue
seen.add(value)
next.push(value)
}
return next
}
const openReviewPanel = () => {
if (!view().reviewPanel.opened()) view().reviewPanel.open()
}
createEffect(() => {
const active = tabs().active()
if (!active) return
const path = file.pathFromTab(active)
if (path) file.load(path)
})
const info = createMemo(() => (params.id ? sync.session.get(params.id) : undefined))
const diffs = createMemo(() => (params.id ? (sync.data.session_diff[params.id] ?? []) : []))
const reviewCount = createMemo(() => Math.max(info()?.summary?.files ?? 0, diffs().length))
const hasReview = createMemo(() => reviewCount() > 0)
const revertMessageID = createMemo(() => info()?.revert?.messageID)
const messages = createMemo(() => (params.id ? (sync.data.message[params.id] ?? []) : []))
const messagesReady = createMemo(() => {
const id = params.id
if (!id) return true
return sync.data.message[id] !== undefined
})
const historyMore = createMemo(() => {
const id = params.id
if (!id) return false
return sync.session.history.more(id)
})
const historyLoading = createMemo(() => {
const id = params.id
if (!id) return false
return sync.session.history.loading(id)
})
const userMessages = createMemo(
() => messages().filter((m) => m.role === "user") as UserMessage[],
emptyUserMessages,
{ equals: same },
)
const visibleUserMessages = createMemo(
() => {
const revert = revertMessageID()
if (!revert) return userMessages()
return userMessages().filter((m) => m.id < revert)
},
emptyUserMessages,
{
equals: same,
},
)
const lastUserMessage = createMemo(() => visibleUserMessages().at(-1))
createEffect(
on(
() => lastUserMessage()?.id,
() => {
const msg = lastUserMessage()
if (!msg) return
if (msg.agent) {
local.agent.set(msg.agent)
if (local.agent.current()?.model) return
}
if (msg.model) local.model.set(msg.model)
},
),
)
const [store, setStore] = createStore({
messageId: undefined as string | undefined,
mobileTab: "session" as "session" | "changes",
changes: "session" as "session" | "turn",
newSessionWorktree: "main",
deferRender: false,
})
createComputed((prev) => {
const key = sessionKey()
if (key !== prev) {
setStore("deferRender", true)
requestAnimationFrame(() => {
setTimeout(() => setStore("deferRender", false), 0)
})
}
return key
}, sessionKey())
const turnDiffs = createMemo(() => lastUserMessage()?.summary?.diffs ?? [])
const reviewDiffs = createMemo(() => (store.changes === "session" ? diffs() : turnDiffs()))
const newSessionWorktree = createMemo(() => {
if (store.newSessionWorktree === "create") return "create"
const project = sync.project
if (project && sdk.directory !== project.worktree) return sdk.directory
return "main"
})
const activeMessage = createMemo(() => {
if (!store.messageId) return lastUserMessage()
const found = visibleUserMessages()?.find((m) => m.id === store.messageId)
return found ?? lastUserMessage()
})
const setActiveMessage = (message: UserMessage | undefined) => {
setStore("messageId", message?.id)
}
function navigateMessageByOffset(offset: number) {
const msgs = visibleUserMessages()
if (msgs.length === 0) return
const current = store.messageId
const base = current ? msgs.findIndex((m) => m.id === current) : msgs.length
const currentIndex = base === -1 ? msgs.length : base
const targetIndex = currentIndex + offset
if (targetIndex < 0 || targetIndex > msgs.length) return
if (targetIndex === msgs.length) {
resumeScroll()
return
}
autoScroll.pause()
scrollToMessage(msgs[targetIndex], "auto")
}
const diffsReady = createMemo(() => {
const id = params.id
if (!id) return true
if (!hasReview()) return true
return sync.data.session_diff[id] !== undefined
})
const reviewEmptyKey = createMemo(() => {
const project = sync.project
if (!project || project.vcs) return "session.review.empty"
return "session.review.noVcs"
})
function upsert(next: Project) {
const list = globalSync.data.project
sync.set("project", next.id)
const idx = list.findIndex((item) => item.id === next.id)
if (idx >= 0) {
globalSync.set(
"project",
list.map((item, i) => (i === idx ? { ...item, ...next } : item)),
)
return
}
const at = list.findIndex((item) => item.id > next.id)
if (at >= 0) {
globalSync.set("project", [...list.slice(0, at), next, ...list.slice(at)])
return
}
globalSync.set("project", [...list, next])
}
function initGit() {
if (ui.git) return
setUi("git", true)
void sdk.client.project
.initGit()
.then((x) => {
if (!x.data) return
upsert(x.data)
})
.catch((err) => {
showToast({
variant: "error",
title: language.t("common.requestFailed"),
description: formatServerError(err, language.t),
})
})
.finally(() => {
setUi("git", false)
})
}
let inputRef!: HTMLDivElement
let promptDock: HTMLDivElement | undefined
let dockHeight = 0
let scroller: HTMLDivElement | undefined
let content: HTMLDivElement | undefined
const scrollGestureWindowMs = 250
const markScrollGesture = (target?: EventTarget | null) => {
const root = scroller
if (!root) return
const el = target instanceof Element ? target : undefined
const nested = el?.closest("[data-scrollable]")
if (nested && nested !== root) return
setUi("scrollGesture", Date.now())
}
const hasScrollGesture = () => Date.now() - ui.scrollGesture < scrollGestureWindowMs
createEffect(
on([() => sdk.directory, () => params.id] as const, ([, id]) => {
if (!id) return
untrack(() => {
void sync.session.sync(id)
void sync.session.todo(id)
})
}),
)
createEffect(
on(
() => visibleUserMessages().at(-1)?.id,
(lastId, prevLastId) => {
if (lastId && prevLastId && lastId > prevLastId) {
setStore("messageId", undefined)
}
},
{ defer: true },
),
)
createEffect(
on(
sessionKey,
() => {
setStore("messageId", undefined)
setStore("changes", "session")
},
{ defer: true },
),
)
createEffect(
on(
() => params.dir,
(dir) => {
if (!dir) return
setStore("newSessionWorktree", "main")
},
{ defer: true },
),
)
const selectionPreview = (path: string, selection: FileSelection) => {
const content = file.get(path)?.content?.content
if (!content) return undefined
const start = Math.max(1, Math.min(selection.startLine, selection.endLine))
const end = Math.max(selection.startLine, selection.endLine)
const lines = content.split("\n").slice(start - 1, end)
if (lines.length === 0) return undefined
return lines.slice(0, 2).join("\n")
}
const addCommentToContext = (input: {
file: string
selection: SelectedLineRange
comment: string
preview?: string
origin?: "review" | "file"
}) => {
const selection = selectionFromLines(input.selection)
const preview = input.preview ?? selectionPreview(input.file, selection)
const saved = comments.add({
file: input.file,
selection: input.selection,
comment: input.comment,
})
prompt.context.add({
type: "file",
path: input.file,
selection,
comment: input.comment,
commentID: saved.id,
commentOrigin: input.origin,
preview,
})
}
const updateCommentInContext = (input: {
id: string
file: string
selection: SelectedLineRange
comment: string
preview?: string
}) => {
comments.update(input.file, input.id, input.comment)
prompt.context.updateComment(input.file, input.id, {
comment: input.comment,
...(input.preview ? { preview: input.preview } : {}),
})
}
const removeCommentFromContext = (input: { id: string; file: string }) => {
comments.remove(input.file, input.id)
prompt.context.removeComment(input.file, input.id)
}
const reviewCommentActions = createMemo(() => ({
moreLabel: language.t("common.moreOptions"),
editLabel: language.t("common.edit"),
deleteLabel: language.t("common.delete"),
saveLabel: language.t("common.save"),
}))
const isEditableTarget = (target: EventTarget | null | undefined) => {
if (!(target instanceof HTMLElement)) return false
return /^(INPUT|TEXTAREA|SELECT|BUTTON)$/.test(target.tagName) || target.isContentEditable
}
const deepActiveElement = () => {
let current: Element | null = document.activeElement
while (current instanceof HTMLElement && current.shadowRoot?.activeElement) {
current = current.shadowRoot.activeElement
}
return current instanceof HTMLElement ? current : undefined
}
const handleKeyDown = (event: KeyboardEvent) => {
const path = event.composedPath()
const target = path.find((item): item is HTMLElement => item instanceof HTMLElement)
const activeElement = deepActiveElement()
const protectedTarget = path.some(
(item) => item instanceof HTMLElement && item.closest("[data-prevent-autofocus]") !== null,
)
if (protectedTarget || isEditableTarget(target)) return
if (activeElement) {
const isProtected = activeElement.closest("[data-prevent-autofocus]")
const isInput = isEditableTarget(activeElement)
if (isProtected || isInput) return
}
if (dialog.active) return
if (activeElement === inputRef) {
if (event.key === "Escape") inputRef?.blur()
return
}
// Don't autofocus chat if desktop terminal panel is open
if (isDesktop() && view().terminal.opened()) return
// Only treat explicit scroll keys as potential "user scroll" gestures.
if (event.key === "PageUp" || event.key === "PageDown" || event.key === "Home" || event.key === "End") {
markScrollGesture()
return
}
if (event.key.length === 1 && event.key !== "Unidentified" && !(event.ctrlKey || event.metaKey)) {
if (composer.blocked()) return
inputRef?.focus()
}
}
const contextOpen = createMemo(() => tabs().active() === "context" || tabs().all().includes("context"))
const openedTabs = createMemo(() =>
tabs()
.all()
.filter((tab) => tab !== "context" && tab !== "review"),
)
const mobileChanges = createMemo(() => !isDesktop() && store.mobileTab === "changes")
const reviewTab = createMemo(() => isDesktop())
const fileTreeTab = () => layout.fileTree.tab()
const setFileTreeTab = (value: "changes" | "all") => layout.fileTree.setTab(value)
const [tree, setTree] = createStore({
reviewScroll: undefined as HTMLDivElement | undefined,
pendingDiff: undefined as string | undefined,
activeDiff: undefined as string | undefined,
})
createEffect(
on(
sessionKey,
() => {
setTree({
reviewScroll: undefined,
pendingDiff: undefined,
activeDiff: undefined,
})
},
{ defer: true },
),
)
const showAllFiles = () => {
if (fileTreeTab() !== "changes") return
setFileTreeTab("all")
}
const focusInput = () => inputRef?.focus()
useSessionCommands({
navigateMessageByOffset,
setActiveMessage,
focusInput,
})
const openReviewFile = createOpenReviewFile({
showAllFiles,
tabForPath: file.tab,
openTab: tabs().open,
setActive: tabs().setActive,
loadFile: file.load,
})
const changesOptions = ["session", "turn"] as const
const changesOptionsList = [...changesOptions]
const changesTitle = () => {
if (!hasReview()) {
return null
}
return (
<Select
options={changesOptionsList}
current={store.changes}
label={(option) =>
option === "session" ? language.t("ui.sessionReview.title") : language.t("ui.sessionReview.title.lastTurn")
}
onSelect={(option) => option && setStore("changes", option)}
variant="ghost"
size="small"
valueClass="text-14-medium"
/>
)
}
const emptyTurn = () => (
<div class="h-full pb-30 flex flex-col items-center justify-center text-center gap-6">
<div class="text-14-regular text-text-weak max-w-56">{language.t("session.review.noChanges")}</div>
</div>
)
const reviewContent = (input: {
diffStyle: DiffStyle
onDiffStyleChange?: (style: DiffStyle) => void
classes?: SessionReviewTabProps["classes"]
loadingClass: string
emptyClass: string
}) => (
<Show when={!store.deferRender}>
<Switch>
<Match when={store.changes === "turn" && !!params.id}>
<SessionReviewTab
title={changesTitle()}
empty={emptyTurn()}
diffs={reviewDiffs}
view={view}
diffStyle={input.diffStyle}
onDiffStyleChange={input.onDiffStyleChange}
onScrollRef={(el) => setTree("reviewScroll", el)}
focusedFile={tree.activeDiff}
onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
onLineCommentUpdate={updateCommentInContext}
onLineCommentDelete={removeCommentFromContext}
lineCommentActions={reviewCommentActions()}
comments={comments.all()}
focusedComment={comments.focus()}
onFocusedCommentChange={comments.setFocus}
onViewFile={openReviewFile}
classes={input.classes}
/>
</Match>
<Match when={hasReview()}>
<Show
when={diffsReady()}
fallback={<div class={input.loadingClass}>{language.t("session.review.loadingChanges")}</div>}
>
<SessionReviewTab
title={changesTitle()}
diffs={reviewDiffs}
view={view}
diffStyle={input.diffStyle}
onDiffStyleChange={input.onDiffStyleChange}
onScrollRef={(el) => setTree("reviewScroll", el)}
focusedFile={tree.activeDiff}
onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
onLineCommentUpdate={updateCommentInContext}
onLineCommentDelete={removeCommentFromContext}
lineCommentActions={reviewCommentActions()}
comments={comments.all()}
focusedComment={comments.focus()}
onFocusedCommentChange={comments.setFocus}
onViewFile={openReviewFile}
classes={input.classes}
/>
</Show>
</Match>
<Match when={true}>
<SessionReviewTab
title={changesTitle()}
empty={
store.changes === "turn" ? (
emptyTurn()
) : reviewEmptyKey() === "session.review.noVcs" ? (
<div class={input.emptyClass}>
<div class="flex flex-col gap-3">
<div class="text-14-medium text-text-strong">Create a Git repository</div>
<div
class="text-14-regular text-text-base max-w-md"
style={{ "line-height": "var(--line-height-normal)" }}
>
Track, review, and undo changes in this project
</div>
</div>
<Button size="large" disabled={ui.git} onClick={initGit}>
{ui.git ? "Creating Git repository..." : "Create Git repository"}
</Button>
</div>
) : (
<div class={input.emptyClass}>
<div class="text-14-regular text-text-weak max-w-56">{language.t(reviewEmptyKey())}</div>
</div>
)
}
diffs={reviewDiffs}
view={view}
diffStyle={input.diffStyle}
onDiffStyleChange={input.onDiffStyleChange}
onScrollRef={(el) => setTree("reviewScroll", el)}
focusedFile={tree.activeDiff}
onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
onLineCommentUpdate={updateCommentInContext}
onLineCommentDelete={removeCommentFromContext}
lineCommentActions={reviewCommentActions()}
comments={comments.all()}
focusedComment={comments.focus()}
onFocusedCommentChange={comments.setFocus}
onViewFile={openReviewFile}
classes={input.classes}
/>
</Match>
</Switch>
</Show>
)
const reviewPanel = () => (
<div class="flex flex-col h-full overflow-hidden bg-background-stronger contain-strict">
<div class="relative pt-2 flex-1 min-h-0 overflow-hidden">
{reviewContent({
diffStyle: layout.review.diffStyle(),
onDiffStyleChange: layout.review.setDiffStyle,
loadingClass: "px-6 py-4 text-text-weak",
emptyClass: "h-full pb-30 flex flex-col items-center justify-center text-center gap-6",
})}
</div>
</div>
)
createEffect(
on(
() => tabs().active(),
(active) => {
if (!active) return
if (fileTreeTab() !== "changes") return
if (!file.pathFromTab(active)) return
showAllFiles()
},
{ defer: true },
),
)
const reviewDiffId = (path: string) => {
const sum = checksum(path)
if (!sum) return
return `session-review-diff-${sum}`
}
const reviewDiffTop = (path: string) => {
const root = tree.reviewScroll
if (!root) return
const id = reviewDiffId(path)
if (!id) return
const el = document.getElementById(id)
if (!(el instanceof HTMLElement)) return
if (!root.contains(el)) return
const a = el.getBoundingClientRect()
const b = root.getBoundingClientRect()
return a.top - b.top + root.scrollTop
}
const scrollToReviewDiff = (path: string) => {
const root = tree.reviewScroll
if (!root) return false
const top = reviewDiffTop(path)
if (top === undefined) return false
view().setScroll("review", { x: root.scrollLeft, y: top })
root.scrollTo({ top, behavior: "auto" })
return true
}
const focusReviewDiff = (path: string) => {
openReviewPanel()
const current = view().review.open() ?? []
if (!current.includes(path)) view().review.setOpen([...current, path])
setTree({ activeDiff: path, pendingDiff: path })
}
createEffect(() => {
const pending = tree.pendingDiff
if (!pending) return
if (!tree.reviewScroll) return
if (!diffsReady()) return
const attempt = (count: number) => {
if (tree.pendingDiff !== pending) return
if (count > 60) {
setTree("pendingDiff", undefined)
return
}
const root = tree.reviewScroll
if (!root) {
requestAnimationFrame(() => attempt(count + 1))
return
}
if (!scrollToReviewDiff(pending)) {
requestAnimationFrame(() => attempt(count + 1))
return
}
const top = reviewDiffTop(pending)
if (top === undefined) {
requestAnimationFrame(() => attempt(count + 1))
return
}
if (Math.abs(root.scrollTop - top) <= 1) {
setTree("pendingDiff", undefined)
return
}
requestAnimationFrame(() => attempt(count + 1))
}
requestAnimationFrame(() => attempt(0))
})
const activeTab = createMemo(() => {
const active = tabs().active()
if (active === "context") return "context"
if (active === "review" && reviewTab()) return "review"
if (active && file.pathFromTab(active)) return normalizeTab(active)
const first = openedTabs()[0]
if (first) return first
if (contextOpen()) return "context"
if (reviewTab() && hasReview()) return "review"
return "empty"
})
createEffect(() => {
if (!layout.ready()) return
if (tabs().active()) return
if (openedTabs().length === 0 && !contextOpen() && !(reviewTab() && hasReview())) return
const next = activeTab()
if (next === "empty") return
tabs().setActive(next)
})
createEffect(
on(
() => layout.fileTree.opened(),
(opened, prev) => {
if (prev === undefined) return
if (!isDesktop()) return
if (opened) {
const active = tabs().active()
const tab = active === "review" || (!active && hasReview()) ? "changes" : "all"
layout.fileTree.setTab(tab)
}
},
{ defer: true },
),
)
createEffect(() => {
const id = params.id
if (!id) return
const wants = isDesktop()
? desktopFileTreeOpen() || (desktopReviewOpen() && activeTab() === "review")
: store.mobileTab === "changes"
if (!wants) return
if (sync.data.session_diff[id] !== undefined) return
if (sync.status === "loading") return
void sync.session.diff(id)
})
let treeDir: string | undefined
createEffect(() => {
const dir = sdk.directory
if (!isDesktop()) return
if (!layout.fileTree.opened()) return
if (sync.status === "loading") return
fileTreeTab()
const refresh = treeDir !== dir
treeDir = dir
void (refresh ? file.tree.refresh("") : file.tree.list(""))
})
createEffect(
on(
() => sdk.directory,
() => {
void file.tree.list("")
const active = tabs().active()
if (!active) return
const path = file.pathFromTab(active)
if (!path) return
void file.load(path, { force: true })
},
{ defer: true },
),
)
const autoScroll = createAutoScroll({
working: () => true,
overflowAnchor: "dynamic",
})
let scrollStateFrame: number | undefined
let scrollStateTarget: HTMLDivElement | undefined
const scrollSpy = createScrollSpy({
onActive: (id) => {
if (id === store.messageId) return
setStore("messageId", id)
},
})
const updateScrollState = (el: HTMLDivElement) => {
const max = el.scrollHeight - el.clientHeight
const overflow = max > 1
const bottom = !overflow || el.scrollTop >= max - 2
if (ui.scroll.overflow === overflow && ui.scroll.bottom === bottom) return
setUi("scroll", { overflow, bottom })
}
const scheduleScrollState = (el: HTMLDivElement) => {
scrollStateTarget = el
if (scrollStateFrame !== undefined) return
scrollStateFrame = requestAnimationFrame(() => {
scrollStateFrame = undefined
const target = scrollStateTarget
scrollStateTarget = undefined
if (!target) return
updateScrollState(target)
})
}
const resumeScroll = () => {
setStore("messageId", undefined)
autoScroll.forceScrollToBottom()
clearMessageHash()
const el = scroller
if (el) scheduleScrollState(el)
}
// When the user returns to the bottom, treat the active message as "latest".
createEffect(
on(
autoScroll.userScrolled,
(scrolled) => {
if (scrolled) return
setStore("messageId", undefined)
clearMessageHash()
},
{ defer: true },
),
)
createEffect(
on(
sessionKey,
() => {
scrollSpy.clear()
},
{ defer: true },
),
)
const anchor = (id: string) => `message-${id}`
const setScrollRef = (el: HTMLDivElement | undefined) => {
scroller = el
autoScroll.scrollRef(el)
scrollSpy.setContainer(el)
if (el) scheduleScrollState(el)
}
createResizeObserver(
() => content,
() => {
const el = scroller
if (el) scheduleScrollState(el)
scrollSpy.markDirty()
},
)
const historyWindow = createSessionHistoryWindow({
sessionID: () => params.id,
messagesReady,
visibleUserMessages,
historyMore,
historyLoading,
loadMore: (sessionID) => sync.session.history.loadMore(sessionID),
userScrolled: autoScroll.userScrolled,
scroller: () => scroller,
})
createResizeObserver(
() => promptDock,
({ height }) => {
const next = Math.ceil(height)
if (next === dockHeight) return
const el = scroller
const delta = next - dockHeight
const stick = el
? !autoScroll.userScrolled() || el.scrollHeight - el.clientHeight - el.scrollTop < 10 + Math.max(0, delta)
: false
dockHeight = next
if (stick) autoScroll.forceScrollToBottom()
if (el) scheduleScrollState(el)
scrollSpy.markDirty()
},
)
const { clearMessageHash, scrollToMessage } = useSessionHashScroll({
sessionKey,
sessionID: () => params.id,
messagesReady,
visibleUserMessages,
turnStart: historyWindow.turnStart,
currentMessageId: () => store.messageId,
pendingMessage: () => ui.pendingMessage,
setPendingMessage: (value) => setUi("pendingMessage", value),
setActiveMessage,
setTurnStart: historyWindow.setTurnStart,
autoScroll,
scroller: () => scroller,
anchor,
scheduleScrollState,
consumePendingMessage: layout.pendingMessage.consume,
})
onMount(() => {
document.addEventListener("keydown", handleKeyDown)
})
onCleanup(() => {
document.removeEventListener("keydown", handleKeyDown)
scrollSpy.destroy()
if (scrollStateFrame !== undefined) cancelAnimationFrame(scrollStateFrame)
})
return (
<div class="relative bg-background-base size-full overflow-hidden flex flex-col">
<SessionHeader />
<div class="flex-1 min-h-0 flex flex-col md:flex-row">
<SessionMobileTabs
open={!isDesktop() && !!params.id}
mobileTab={store.mobileTab}
hasReview={hasReview()}
reviewCount={reviewCount()}
onSession={() => setStore("mobileTab", "session")}
onChanges={() => setStore("mobileTab", "changes")}
/>
{/* Session panel */}
<div
classList={{
"@container relative shrink-0 flex flex-col min-h-0 h-full bg-background-stronger": true,
"flex-1": true,
"md:flex-none": desktopSidePanelOpen(),
}}
style={{
width: sessionPanelWidth(),
}}
>
<div class="flex-1 min-h-0 overflow-hidden">
<Switch>
<Match when={params.id}>
<Show when={activeMessage()}>
<MessageTimeline
mobileChanges={mobileChanges()}
mobileFallback={reviewContent({
diffStyle: "unified",
classes: {
root: "pb-8",
header: "px-4",
container: "px-4",
},
loadingClass: "px-4 py-4 text-text-weak",
emptyClass: "h-full pb-30 flex flex-col items-center justify-center text-center gap-6",
})}
scroll={ui.scroll}
onResumeScroll={resumeScroll}
setScrollRef={setScrollRef}
onScheduleScrollState={scheduleScrollState}
onAutoScrollHandleScroll={autoScroll.handleScroll}
onMarkScrollGesture={markScrollGesture}
hasScrollGesture={hasScrollGesture}
isDesktop={isDesktop()}
onScrollSpyScroll={scrollSpy.onScroll}
onTurnBackfillScroll={historyWindow.onScrollerScroll}
onAutoScrollInteraction={autoScroll.handleInteraction}
centered={centered()}
setContentRef={(el) => {
content = el
autoScroll.contentRef(el)
const root = scroller
if (root) scheduleScrollState(root)
}}
turnStart={historyWindow.turnStart()}
historyMore={historyMore()}
historyLoading={historyLoading()}
onLoadEarlier={() => {
void historyWindow.loadAndReveal()
}}
renderedUserMessages={historyWindow.renderedUserMessages()}
anchor={anchor}
onRegisterMessage={scrollSpy.register}
onUnregisterMessage={scrollSpy.unregister}
/>
</Show>
</Match>
<Match when={true}>
<NewSessionView
worktree={newSessionWorktree()}
onWorktreeChange={(value) => {
if (value === "create") {
setStore("newSessionWorktree", value)
return
}
setStore("newSessionWorktree", "main")
const target = value === "main" ? sync.project?.worktree : value
if (!target) return
if (target === sdk.directory) return
layout.projects.open(target)
navigate(`/${base64Encode(target)}/session`)
}}
/>
</Match>
</Switch>
</div>
<SessionComposerRegion
state={composer}
ready={!store.deferRender && messagesReady()}
centered={centered()}
inputRef={(el) => {
inputRef = el
}}
newSessionWorktree={newSessionWorktree()}
onNewSessionWorktreeReset={() => setStore("newSessionWorktree", "main")}
onSubmit={() => {
comments.clear()
resumeScroll()
}}
onResponseSubmit={resumeScroll}
setPromptDockRef={(el) => {
promptDock = el
}}
/>
<Show when={desktopReviewOpen()}>
<ResizeHandle
direction="horizontal"
size={layout.session.width()}
min={450}
max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.45}
onResize={layout.session.resize}
/>
</Show>
</div>
<SessionSidePanel reviewPanel={reviewPanel} activeDiff={tree.activeDiff} focusReviewDiff={focusReviewDiff} />
</div>
<TerminalPanel />
</div>
)
}