Files
shopify-ai-backup/opencode/packages/app/src/pages/session.tsx
2026-02-07 20:54:46 +00:00

1754 lines
52 KiB
TypeScript

import { For, onCleanup, Show, Match, Switch, createMemo, createEffect, on } from "solid-js"
import { createMediaQuery } from "@solid-primitives/media"
import { createResizeObserver } from "@solid-primitives/resize-observer"
import { Dynamic } from "solid-js/web"
import { useLocal } from "@/context/local"
import { selectionFromLines, useFile, type FileSelection, type SelectedLineRange } from "@/context/file"
import { createStore, produce } from "solid-js/store"
import { SessionContextUsage } from "@/components/session-context-usage"
import { IconButton } from "@opencode-ai/ui/icon-button"
import { Button } from "@opencode-ai/ui/button"
import { Tooltip, TooltipKeybind } from "@opencode-ai/ui/tooltip"
import { Dialog } from "@opencode-ai/ui/dialog"
import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
import { Tabs } from "@opencode-ai/ui/tabs"
import { Select } from "@opencode-ai/ui/select"
import { useCodeComponent } from "@opencode-ai/ui/context/code"
import { createAutoScroll } from "@opencode-ai/ui/hooks"
import { Mark } from "@opencode-ai/ui/logo"
import { DragDropProvider, DragDropSensors, DragOverlay, SortableProvider, closestCenter } from "@thisbeyond/solid-dnd"
import type { DragEvent } from "@thisbeyond/solid-dnd"
import { useSync } from "@/context/sync"
import { useTerminal, type LocalPTY } from "@/context/terminal"
import { useLayout } from "@/context/layout"
import { checksum, base64Encode } from "@opencode-ai/util/encode"
import { findLast } from "@opencode-ai/util/array"
import { useDialog } from "@opencode-ai/ui/context/dialog"
import { DialogSelectFile } from "@/components/dialog-select-file"
import FileTree from "@/components/file-tree"
import { useCommand } from "@/context/command"
import { useLanguage } from "@/context/language"
import { useNavigate, useParams } from "@solidjs/router"
import { UserMessage } from "@opencode-ai/sdk/v2"
import { useSDK } from "@/context/sdk"
import { usePrompt } from "@/context/prompt"
import { useComments } from "@/context/comments"
import { ConstrainDragYAxis, getDraggableId } from "@/utils/solid-dnd"
import { usePermission } from "@/context/permission"
import { showToast } from "@opencode-ai/ui/toast"
import { SessionHeader, SessionContextTab, SortableTab, FileVisual, NewSessionView } from "@/components/session"
import { navMark, navParams } from "@/utils/perf"
import { same } from "@/utils/same"
import { createOpenReviewFile, focusTerminalById } from "@/pages/session/helpers"
import { createScrollSpy } from "@/pages/session/scroll-spy"
import { createFileTabListSync } from "@/pages/session/file-tab-scroll"
import { FileTabContent } from "@/pages/session/file-tabs"
import {
SessionReviewTab,
StickyAddButton,
type DiffStyle,
type SessionReviewTabProps,
} from "@/pages/session/review-tab"
import { TerminalPanel } from "@/pages/session/terminal-panel"
import { terminalTabLabel } from "@/pages/session/terminal-label"
import { MessageTimeline } from "@/pages/session/message-timeline"
import { useSessionCommands } from "@/pages/session/use-session-commands"
import { SessionPromptDock } from "@/pages/session/session-prompt-dock"
import { SessionMobileTabs } from "@/pages/session/session-mobile-tabs"
import { SessionSidePanel } from "@/pages/session/session-side-panel"
import { useSessionHashScroll } from "@/pages/session/use-session-hash-scroll"
type HandoffSession = {
prompt: string
files: Record<string, SelectedLineRange | null>
}
const HANDOFF_MAX = 40
const handoff = {
session: new Map<string, HandoffSession>(),
terminal: new Map<string, string[]>(),
}
const touch = <K, V>(map: Map<K, V>, key: K, value: V) => {
map.delete(key)
map.set(key, value)
while (map.size > HANDOFF_MAX) {
const first = map.keys().next().value
if (first === undefined) return
map.delete(first)
}
}
const setSessionHandoff = (key: string, patch: Partial<HandoffSession>) => {
const prev = handoff.session.get(key) ?? { prompt: "", files: {} }
touch(handoff.session, key, { ...prev, ...patch })
}
export default function Page() {
const layout = useLayout()
const local = useLocal()
const file = useFile()
const sync = useSync()
const terminal = useTerminal()
const dialog = useDialog()
const codeComponent = useCodeComponent()
const command = useCommand()
const language = useLanguage()
const params = useParams()
const navigate = useNavigate()
const sdk = useSDK()
const prompt = usePrompt()
const comments = useComments()
const permission = usePermission()
const permRequest = createMemo(() => {
const sessionID = params.id
if (!sessionID) return
return sync.data.permission[sessionID]?.[0]
})
const questionRequest = createMemo(() => {
const sessionID = params.id
if (!sessionID) return
return sync.data.question[sessionID]?.[0]
})
const blocked = createMemo(() => !!permRequest() || !!questionRequest())
const [ui, setUi] = createStore({
responding: false,
pendingMessage: undefined as string | undefined,
scrollGesture: 0,
autoCreated: false,
scroll: {
overflow: false,
bottom: true,
},
})
createEffect(
on(
() => permRequest()?.id,
() => setUi("responding", false),
{ defer: true },
),
)
const decide = (response: "once" | "always" | "reject") => {
const perm = permRequest()
if (!perm) return
if (ui.responding) return
setUi("responding", true)
sdk.client.permission
.respond({ sessionID: perm.sessionID, permissionID: perm.id, response })
.catch((err: unknown) => {
const message = err instanceof Error ? err.message : String(err)
showToast({ title: language.t("common.requestFailed"), description: message })
})
.finally(() => setUi("responding", false))
}
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 },
),
)
if (import.meta.env.DEV) {
createEffect(
on(
() => [params.dir, params.id] as const,
([dir, id], prev) => {
if (!id) return
navParams({ dir, from: prev?.[1], to: id })
},
),
)
createEffect(() => {
const id = params.id
if (!id) return
if (!prompt.ready()) return
navMark({ dir: params.dir, to: id, name: "storage:prompt-ready" })
})
createEffect(() => {
const id = params.id
if (!id) return
if (!terminal.ready()) return
navMark({ dir: params.dir, to: id, name: "storage:terminal-ready" })
})
createEffect(() => {
const id = params.id
if (!id) return
if (!file.ready()) return
navMark({ dir: params.dir, to: id, name: "storage:file-view-ready" })
})
createEffect(() => {
const id = params.id
if (!id) return
if (sync.data.message[id] === undefined) return
navMark({ dir: params.dir, to: id, name: "session:data-ready" })
})
}
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() && !desktopSidePanelOpen())
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()
}
const openTab = (value: string) => {
const next = normalizeTab(value)
tabs().open(next)
const path = file.pathFromTab(next)
if (!path) return
file.load(path)
openReviewPanel()
}
createEffect(() => {
const active = tabs().active()
if (!active) return
const path = file.pathFromTab(active)
if (path) file.load(path)
})
createEffect(() => {
const current = tabs().all()
if (current.length === 0) return
const next = normalizeTabs(current)
if (same(current, next)) return
tabs().setAll(next)
const active = tabs().active()
if (!active) return
if (!active.startsWith("file://")) return
const normalized = normalizeTab(active)
if (active === normalized) return
tabs().setActive(normalized)
})
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 [title, setTitle] = createStore({
draft: "",
editing: false,
saving: false,
menuOpen: false,
pendingRename: false,
})
let titleRef: HTMLInputElement | undefined
const errorMessage = (err: unknown) => {
if (err && typeof err === "object" && "data" in err) {
const data = (err as { data?: { message?: string } }).data
if (data?.message) return data.message
}
if (err instanceof Error) return err.message
return language.t("common.requestFailed")
}
createEffect(
on(
sessionKey,
() => setTitle({ draft: "", editing: false, saving: false, menuOpen: false, pendingRename: false }),
{ defer: true },
),
)
const openTitleEditor = () => {
if (!params.id) return
setTitle({ editing: true, draft: info()?.title ?? "" })
requestAnimationFrame(() => {
titleRef?.focus()
titleRef?.select()
})
}
const closeTitleEditor = () => {
if (title.saving) return
setTitle({ editing: false, saving: false })
}
const saveTitleEditor = async () => {
const sessionID = params.id
if (!sessionID) return
if (title.saving) return
const next = title.draft.trim()
if (!next || next === (info()?.title ?? "")) {
setTitle({ editing: false, saving: false })
return
}
setTitle("saving", true)
await sdk.client.session
.update({ sessionID, title: next })
.then(() => {
sync.set(
produce((draft) => {
const index = draft.session.findIndex((s) => s.id === sessionID)
if (index !== -1) draft.session[index].title = next
}),
)
setTitle({ editing: false, saving: false })
})
.catch((err) => {
setTitle("saving", false)
showToast({
title: language.t("common.requestFailed"),
description: errorMessage(err),
})
})
}
async function archiveSession(sessionID: string) {
const session = sync.session.get(sessionID)
if (!session) return
const sessions = sync.data.session ?? []
const index = sessions.findIndex((s) => s.id === sessionID)
const nextSession = index === -1 ? undefined : (sessions[index + 1] ?? sessions[index - 1])
await sdk.client.session
.update({ sessionID, time: { archived: Date.now() } })
.then(() => {
sync.set(
produce((draft) => {
const index = draft.session.findIndex((s) => s.id === sessionID)
if (index !== -1) draft.session.splice(index, 1)
}),
)
if (params.id !== sessionID) return
if (session.parentID) {
navigate(`/${params.dir}/session/${session.parentID}`)
return
}
if (nextSession) {
navigate(`/${params.dir}/session/${nextSession.id}`)
return
}
navigate(`/${params.dir}/session`)
})
.catch((err) => {
showToast({
title: language.t("common.requestFailed"),
description: errorMessage(err),
})
})
}
async function deleteSession(sessionID: string) {
const session = sync.session.get(sessionID)
if (!session) return false
const sessions = (sync.data.session ?? []).filter((s) => !s.parentID && !s.time?.archived)
const index = sessions.findIndex((s) => s.id === sessionID)
const nextSession = index === -1 ? undefined : (sessions[index + 1] ?? sessions[index - 1])
const result = await sdk.client.session
.delete({ sessionID })
.then((x) => x.data)
.catch((err) => {
showToast({
title: language.t("session.delete.failed.title"),
description: errorMessage(err),
})
return false
})
if (!result) return false
sync.set(
produce((draft) => {
const removed = new Set<string>([sessionID])
const byParent = new Map<string, string[]>()
for (const item of draft.session) {
const parentID = item.parentID
if (!parentID) continue
const existing = byParent.get(parentID)
if (existing) {
existing.push(item.id)
continue
}
byParent.set(parentID, [item.id])
}
const stack = [sessionID]
while (stack.length) {
const parentID = stack.pop()
if (!parentID) continue
const children = byParent.get(parentID)
if (!children) continue
for (const child of children) {
if (removed.has(child)) continue
removed.add(child)
stack.push(child)
}
}
draft.session = draft.session.filter((s) => !removed.has(s.id))
}),
)
if (params.id !== sessionID) return true
if (session.parentID) {
navigate(`/${params.dir}/session/${session.parentID}`)
return true
}
if (nextSession) {
navigate(`/${params.dir}/session/${nextSession.id}`)
return true
}
navigate(`/${params.dir}/session`)
return true
}
function DialogDeleteSession(props: { sessionID: string }) {
const title = createMemo(() => sync.session.get(props.sessionID)?.title ?? language.t("command.session.new"))
const handleDelete = async () => {
await deleteSession(props.sessionID)
dialog.close()
}
return (
<Dialog title={language.t("session.delete.title")} fit>
<div class="flex flex-col gap-4 pl-6 pr-2.5 pb-3">
<div class="flex flex-col gap-1">
<span class="text-14-regular text-text-strong">
{language.t("session.delete.confirm", { name: title() })}
</span>
</div>
<div class="flex justify-end gap-2">
<Button variant="ghost" size="large" onClick={() => dialog.close()}>
{language.t("common.cancel")}
</Button>
<Button variant="primary" size="large" onClick={handleDelete}>
{language.t("session.delete.button")}
</Button>
</div>
</div>
</Dialog>
)
}
const emptyUserMessages: UserMessage[] = []
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 (msg.model) local.model.set(msg.model)
},
),
)
const [store, setStore] = createStore({
activeDraggable: undefined as string | undefined,
activeTerminalDraggable: undefined as string | undefined,
expanded: {} as Record<string, boolean>,
messageId: undefined as string | undefined,
turnStart: 0,
mobileTab: "session" as "session" | "changes",
changes: "session" as "session" | "turn",
newSessionWorktree: "main",
promptHeight: 0,
})
const turnDiffs = createMemo(() => lastUserMessage()?.summary?.diffs ?? [])
const reviewDiffs = createMemo(() => (store.changes === "session" ? diffs() : turnDiffs()))
const renderedUserMessages = createMemo(
() => {
const msgs = visibleUserMessages()
const start = store.turnStart
if (start <= 0) return msgs
if (start >= msgs.length) return emptyUserMessages
return msgs.slice(start)
},
emptyUserMessages,
{
equals: same,
},
)
const newSessionWorktree = createMemo(() => {
if (store.newSessionWorktree === "create") return "create"
const project = sync.project
if (project && sync.data.path.directory !== project.worktree) return sync.data.path.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 = activeMessage()
const currentIndex = current ? msgs.findIndex((m) => m.id === current.id) : -1
const targetIndex = currentIndex === -1 ? (offset > 0 ? 0 : msgs.length - 1) : currentIndex + offset
if (targetIndex < 0 || targetIndex >= msgs.length) return
if (targetIndex === msgs.length - 1) {
resumeScroll()
return
}
autoScroll.pause()
scrollToMessage(msgs[targetIndex], "auto")
}
const kinds = createMemo(() => {
const merge = (a: "add" | "del" | "mix" | undefined, b: "add" | "del" | "mix") => {
if (!a) return b
if (a === b) return a
return "mix" as const
}
const normalize = (p: string) => p.replaceAll("\\\\", "/").replace(/\/+$/, "")
const out = new Map<string, "add" | "del" | "mix">()
for (const diff of diffs()) {
const file = normalize(diff.file)
const kind = diff.status === "added" ? "add" : diff.status === "deleted" ? "del" : "mix"
out.set(file, kind)
const parts = file.split("/")
for (const [idx] of parts.slice(0, -1).entries()) {
const dir = parts.slice(0, idx + 1).join("/")
if (!dir) continue
out.set(dir, merge(out.get(dir), kind))
}
}
return out
})
const emptyDiffFiles: string[] = []
const diffFiles = createMemo(() => diffs().map((d) => d.file), emptyDiffFiles, { equals: same })
const diffsReady = createMemo(() => {
const id = params.id
if (!id) return true
if (!hasReview()) return true
return sync.data.session_diff[id] !== undefined
})
const idle = { type: "idle" as const }
let inputRef!: HTMLDivElement
let promptDock: HTMLDivElement | undefined
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(() => {
sdk.directory
const id = params.id
if (!id) return
sync.session.sync(id)
})
createEffect(() => {
if (!view().terminal.opened()) {
setUi("autoCreated", false)
return
}
if (!terminal.ready() || terminal.all().length !== 0 || ui.autoCreated) return
terminal.new()
setUi("autoCreated", true)
})
createEffect(
on(
() => terminal.all().length,
(count, prevCount) => {
if (prevCount !== undefined && prevCount > 0 && count === 0) {
if (view().terminal.opened()) {
view().terminal.toggle()
}
}
},
),
)
createEffect(
on(
() => terminal.active(),
(activeId) => {
if (!activeId || !view().terminal.opened()) return
// Immediately remove focus
if (document.activeElement instanceof HTMLElement) {
document.activeElement.blur()
}
focusTerminalById(activeId)
},
),
)
createEffect(
on(
() => visibleUserMessages().at(-1)?.id,
(lastId, prevLastId) => {
if (lastId && prevLastId && lastId > prevLastId) {
setStore("messageId", undefined)
}
},
{ defer: true },
),
)
const status = createMemo(() => sync.data.session_status[params.id ?? ""] ?? idle)
createEffect(
on(
sessionKey,
() => {
setStore("messageId", undefined)
setStore("expanded", {})
setStore("changes", "session")
setUi("autoCreated", false)
},
{ defer: true },
),
)
createEffect(
on(
() => params.dir,
(dir) => {
if (!dir) return
setStore("newSessionWorktree", "main")
},
{ defer: true },
),
)
createEffect(() => {
const id = lastUserMessage()?.id
if (!id) return
setStore("expanded", id, status().type !== "idle")
})
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 addSelectionToContext = (path: string, selection: FileSelection) => {
const preview = selectionPreview(path, selection)
prompt.context.add({ type: "file", path, selection, preview })
}
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 handleKeyDown = (event: KeyboardEvent) => {
const activeElement = document.activeElement as HTMLElement | undefined
if (activeElement) {
const isProtected = activeElement.closest("[data-prevent-autofocus]")
const isInput = /^(INPUT|TEXTAREA|SELECT|BUTTON)$/.test(activeElement.tagName) || activeElement.isContentEditable
if (isProtected || isInput) return
}
if (dialog.active) return
if (activeElement === inputRef) {
if (event.key === "Escape") inputRef?.blur()
return
}
// Don't autofocus chat if terminal panel is open
if (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 (blocked()) return
inputRef?.focus()
}
}
const handleDragStart = (event: unknown) => {
const id = getDraggableId(event)
if (!id) return
setStore("activeDraggable", id)
}
const handleDragOver = (event: DragEvent) => {
const { draggable, droppable } = event
if (draggable && droppable) {
const currentTabs = tabs().all()
const fromIndex = currentTabs?.indexOf(draggable.id.toString())
const toIndex = currentTabs?.indexOf(droppable.id.toString())
if (fromIndex !== toIndex && toIndex !== undefined) {
tabs().move(draggable.id.toString(), toIndex)
}
}
}
const handleDragEnd = () => {
setStore("activeDraggable", undefined)
}
const handleTerminalDragStart = (event: unknown) => {
const id = getDraggableId(event)
if (!id) return
setStore("activeTerminalDraggable", id)
}
const handleTerminalDragOver = (event: DragEvent) => {
const { draggable, droppable } = event
if (draggable && droppable) {
const terminals = terminal.all()
const fromIndex = terminals.findIndex((t: LocalPTY) => t.id === draggable.id.toString())
const toIndex = terminals.findIndex((t: LocalPTY) => t.id === droppable.id.toString())
if (fromIndex !== -1 && toIndex !== -1 && fromIndex !== toIndex) {
terminal.move(draggable.id.toString(), toIndex)
}
}
}
const handleTerminalDragEnd = () => {
setStore("activeTerminalDraggable", undefined)
const activeId = terminal.active()
if (!activeId) return
setTimeout(() => {
focusTerminalById(activeId)
}, 0)
}
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() && !layout.fileTree.opened())
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({
command,
dialog,
file,
language,
local,
permission,
prompt,
sdk,
sync,
terminal,
layout,
params,
navigate,
tabs,
view,
info,
status,
userMessages,
visibleUserMessages,
activeMessage,
showAllFiles,
navigateMessageByOffset,
setExpanded: (id, fn) => setStore("expanded", id, fn),
setActiveMessage,
addSelectionToContext,
focusInput,
})
const openReviewFile = createOpenReviewFile({
showAllFiles,
tabForPath: file.tab,
openTab: tabs().open,
loadFile: file.load,
})
const changesOptions = ["session", "turn"] as const
const changesOptionsList = [...changesOptions]
const changesTitle = () => (
<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="large"
triggerStyle={{ "font-size": "var(--font-size-large)" }}
/>
)
const emptyTurn = () => (
<div class="h-full pb-30 flex flex-col items-center justify-center text-center gap-6">
<Mark class="w-14 opacity-10" />
<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
}) => (
<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" })}
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" })}
comments={comments.all()}
focusedComment={comments.focus()}
onFocusedCommentChange={comments.setFocus}
onViewFile={openReviewFile}
classes={input.classes}
/>
</Show>
</Match>
<Match when={true}>
<div class={input.emptyClass}>
<Mark class="w-14 opacity-10" />
<div class="text-14-regular text-text-weak max-w-56">{language.t("session.review.empty")}</div>
</div>
</Match>
</Switch>
)
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 px-6 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 setFileTreeTabValue = (value: string) => {
if (value !== "changes" && value !== "all") return
setFileTreeTab(value)
}
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"
})
const activeFileTab = createMemo(() => {
const active = activeTab()
if (!openedTabs().includes(active)) return
return active
})
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)
return
}
if (fileTreeTab() !== "changes") return
tabs().setActive("review")
},
{ defer: true },
),
)
createEffect(() => {
if (!isDesktop()) return
if (!layout.fileTree.opened()) return
if (fileTreeTab() !== "all") return
const active = tabs().active()
if (active && active !== "review") return
const first = openedTabs()[0]
if (first) {
tabs().setActive(first)
return
}
if (contextOpen()) tabs().setActive("context")
})
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 turnInit = 20
const turnBatch = 20
let turnHandle: number | undefined
let turnIdle = false
function cancelTurnBackfill() {
const handle = turnHandle
if (handle === undefined) return
turnHandle = undefined
if (turnIdle && window.cancelIdleCallback) {
window.cancelIdleCallback(handle)
return
}
clearTimeout(handle)
}
function scheduleTurnBackfill() {
if (turnHandle !== undefined) return
if (store.turnStart <= 0) return
if (window.requestIdleCallback) {
turnIdle = true
turnHandle = window.requestIdleCallback(() => {
turnHandle = undefined
backfillTurns()
})
return
}
turnIdle = false
turnHandle = window.setTimeout(() => {
turnHandle = undefined
backfillTurns()
}, 0)
}
function backfillTurns() {
const start = store.turnStart
if (start <= 0) return
const next = start - turnBatch
const nextStart = next > 0 ? next : 0
const el = scroller
if (!el) {
setStore("turnStart", nextStart)
scheduleTurnBackfill()
return
}
const beforeTop = el.scrollTop
const beforeHeight = el.scrollHeight
setStore("turnStart", nextStart)
requestAnimationFrame(() => {
const delta = el.scrollHeight - beforeHeight
if (!delta) return
el.scrollTop = beforeTop + delta
})
scheduleTurnBackfill()
}
createEffect(
on(
() => [params.id, messagesReady()] as const,
([id, ready]) => {
cancelTurnBackfill()
setStore("turnStart", 0)
if (!id || !ready) return
const len = visibleUserMessages().length
const start = len > turnInit ? len - turnInit : 0
setStore("turnStart", start)
scheduleTurnBackfill()
},
{ defer: true },
),
)
createResizeObserver(
() => promptDock,
({ height }) => {
const next = Math.ceil(height)
if (next === store.promptHeight) return
const el = scroller
const stick = el ? el.scrollHeight - el.clientHeight - el.scrollTop < 10 : false
setStore("promptHeight", next)
if (stick && el) {
requestAnimationFrame(() => {
el.scrollTo({ top: el.scrollHeight, behavior: "auto" })
})
}
if (el) scheduleScrollState(el)
scrollSpy.markDirty()
},
)
const { clearMessageHash, scrollToMessage } = useSessionHashScroll({
sessionKey,
sessionID: () => params.id,
messagesReady,
visibleUserMessages,
turnStart: () => store.turnStart,
currentMessageId: () => store.messageId,
pendingMessage: () => ui.pendingMessage,
setPendingMessage: (value) => setUi("pendingMessage", value),
setActiveMessage,
setTurnStart: (value) => setStore("turnStart", value),
scheduleTurnBackfill,
autoScroll,
scroller: () => scroller,
anchor,
scheduleScrollState,
consumePendingMessage: layout.pendingMessage.consume,
})
createEffect(() => {
document.addEventListener("keydown", handleKeyDown)
})
const previewPrompt = () =>
prompt
.current()
.map((part) => {
if (part.type === "file") return `[file:${part.path}]`
if (part.type === "agent") return `@${part.name}`
if (part.type === "image") return `[image:${part.filename}]`
return part.content
})
.join("")
.trim()
createEffect(() => {
if (!prompt.ready()) return
setSessionHandoff(sessionKey(), { prompt: previewPrompt() })
})
createEffect(() => {
if (!terminal.ready()) return
language.locale()
touch(
handoff.terminal,
params.dir!,
terminal.all().map((pty) =>
terminalTabLabel({
title: pty.title,
titleNumber: pty.titleNumber,
t: language.t as (key: string, vars?: Record<string, string | number | boolean>) => string,
}),
),
)
})
createEffect(() => {
if (!file.ready()) return
setSessionHandoff(sessionKey(), {
files: Object.fromEntries(
tabs()
.all()
.flatMap((tab) => {
const path = file.pathFromTab(tab)
if (!path) return []
return [[path, file.selectedLines(path) ?? null] as const]
}),
),
})
})
onCleanup(() => {
cancelTurnBackfill()
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}
hasReview={hasReview()}
reviewCount={reviewCount()}
onSession={() => setStore("mobileTab", "session")}
onChanges={() => setStore("mobileTab", "changes")}
t={language.t as (key: string, vars?: Record<string, string | number | boolean>) => string}
/>
{/* Session panel */}
<div
classList={{
"@container relative shrink-0 flex flex-col min-h-0 h-full bg-background-stronger": true,
"flex-1 pt-2 md:pt-3": true,
"md:flex-none": desktopSidePanelOpen(),
}}
style={{
width: sessionPanelWidth(),
"--prompt-height": store.promptHeight ? `${store.promptHeight}px` : undefined,
}}
>
<div class="flex-1 min-h-0 overflow-hidden">
<Switch>
<Match when={params.id}>
<Show when={activeMessage()}>
<MessageTimeline
mobileChanges={mobileChanges()}
mobileFallback={reviewContent({
diffStyle: "unified",
classes: {
root: "pb-[calc(var(--prompt-height,8rem)+32px)]",
header: "px-4",
container: "px-4",
},
loadingClass: "px-4 py-4 text-text-weak",
emptyClass: "h-full px-4 pb-30 flex flex-col items-center justify-center text-center gap-6",
})}
scroll={ui.scroll}
onResumeScroll={resumeScroll}
setScrollRef={setScrollRef}
onScheduleScrollState={scheduleScrollState}
onAutoScrollHandleScroll={autoScroll.handleScroll}
onMarkScrollGesture={markScrollGesture}
hasScrollGesture={hasScrollGesture}
isDesktop={isDesktop()}
onScrollSpyScroll={scrollSpy.onScroll}
onAutoScrollInteraction={autoScroll.handleInteraction}
showHeader={!!(info()?.title || info()?.parentID)}
centered={centered()}
title={info()?.title}
parentID={info()?.parentID}
openTitleEditor={openTitleEditor}
closeTitleEditor={closeTitleEditor}
saveTitleEditor={saveTitleEditor}
titleRef={(el) => {
titleRef = el
}}
titleState={title}
onTitleDraft={(value) => setTitle("draft", value)}
onTitleMenuOpen={(open) => setTitle("menuOpen", open)}
onTitlePendingRename={(value) => setTitle("pendingRename", value)}
onNavigateParent={() => {
navigate(`/${params.dir}/session/${info()?.parentID}`)
}}
sessionID={params.id!}
onArchiveSession={(sessionID) => void archiveSession(sessionID)}
onDeleteSession={(sessionID) => dialog.show(() => <DialogDeleteSession sessionID={sessionID} />)}
t={language.t as (key: string, vars?: Record<string, string | number | boolean>) => string}
setContentRef={(el) => {
content = el
autoScroll.contentRef(el)
const root = scroller
if (root) scheduleScrollState(root)
}}
turnStart={store.turnStart}
onRenderEarlier={() => setStore("turnStart", 0)}
historyMore={historyMore()}
historyLoading={historyLoading()}
onLoadEarlier={() => {
const id = params.id
if (!id) return
setStore("turnStart", 0)
sync.session.history.loadMore(id)
}}
renderedUserMessages={renderedUserMessages()}
anchor={anchor}
onRegisterMessage={scrollSpy.register}
onUnregisterMessage={scrollSpy.unregister}
onFirstTurnMount={() => {
const id = params.id
if (!id) return
navMark({ dir: params.dir, to: id, name: "session:first-turn-mounted" })
}}
lastUserMessageID={lastUserMessage()?.id}
expanded={store.expanded}
onToggleExpanded={(id) => setStore("expanded", id, (open: boolean | undefined) => !open)}
/>
</Show>
</Match>
<Match when={true}>
<NewSessionView
worktree={newSessionWorktree()}
onWorktreeChange={(value) => {
if (value === "create") {
setStore("newSessionWorktree", value)
return
}
setStore("newSessionWorktree", "main")
const target = value === "main" ? sync.project?.worktree : value
if (!target) return
if (target === sync.data.path.directory) return
layout.projects.open(target)
navigate(`/${base64Encode(target)}/session`)
}}
/>
</Match>
</Switch>
</div>
<SessionPromptDock
centered={centered()}
questionRequest={questionRequest}
permissionRequest={permRequest}
blocked={blocked()}
promptReady={prompt.ready()}
handoffPrompt={handoff.session.get(sessionKey())?.prompt}
t={language.t as (key: string, vars?: Record<string, string | number | boolean>) => string}
responding={ui.responding}
onDecide={decide}
inputRef={(el) => {
inputRef = el
}}
newSessionWorktree={newSessionWorktree()}
onNewSessionWorktreeReset={() => setStore("newSessionWorktree", "main")}
onSubmit={() => {
comments.clear()
resumeScroll()
}}
setPromptDockRef={(el) => (promptDock = el)}
/>
<Show when={desktopReviewOpen()}>
<ResizeHandle
direction="horizontal"
size={layout.session.width()}
min={450}
max={window.innerWidth * 0.45}
onResize={layout.session.resize}
/>
</Show>
</div>
<SessionSidePanel
open={desktopSidePanelOpen()}
reviewOpen={desktopReviewOpen()}
language={language}
layout={layout}
command={command}
dialog={dialog}
file={file}
comments={comments}
sync={sync}
hasReview={hasReview()}
reviewCount={reviewCount()}
reviewTab={reviewTab()}
contextOpen={contextOpen}
openedTabs={openedTabs}
activeTab={activeTab}
activeFileTab={activeFileTab}
tabs={tabs}
openTab={openTab}
showAllFiles={showAllFiles}
reviewPanel={reviewPanel}
messages={messages as () => unknown[]}
visibleUserMessages={visibleUserMessages as () => unknown[]}
view={view}
info={info as () => unknown}
handoffFiles={() => handoff.session.get(sessionKey())?.files}
codeComponent={codeComponent}
addCommentToContext={addCommentToContext}
activeDraggable={() => store.activeDraggable}
onDragStart={handleDragStart}
onDragEnd={handleDragEnd}
onDragOver={handleDragOver}
fileTreeTab={fileTreeTab}
setFileTreeTabValue={setFileTreeTabValue}
diffsReady={diffsReady()}
diffFiles={diffFiles()}
kinds={kinds()}
activeDiff={tree.activeDiff}
focusReviewDiff={focusReviewDiff}
/>
</div>
<TerminalPanel
open={isDesktop() && view().terminal.opened()}
height={layout.terminal.height()}
resize={layout.terminal.resize}
close={view().terminal.close}
terminal={terminal}
language={language}
command={command}
handoff={() => handoff.terminal.get(params.dir!) ?? []}
activeTerminalDraggable={() => store.activeTerminalDraggable}
handleTerminalDragStart={handleTerminalDragStart}
handleTerminalDragOver={handleTerminalDragOver}
handleTerminalDragEnd={handleTerminalDragEnd}
onCloseTab={() => setUi("autoCreated", false)}
/>
</div>
)
}