Files
opencode/packages/app/src/pages/session.tsx
2026-01-01 21:03:03 -06:00

1681 lines
61 KiB
TypeScript

import {
For,
onCleanup,
onMount,
Show,
Match,
Switch,
createMemo,
createResource,
createEffect,
on,
createRenderEffect,
batch,
} from "solid-js"
import { Dynamic } from "solid-js/web"
import { useLocal } from "@/context/local"
import { selectionFromLines, useFile, type SelectedLineRange } from "@/context/file"
import { createStore } from "solid-js/store"
import { PromptInput } from "@/components/prompt-input"
import { SessionContextUsage } from "@/components/session-context-usage"
import { DateTime } from "luxon"
import { FileIcon } from "@opencode-ai/ui/file-icon"
import { IconButton } from "@opencode-ai/ui/icon-button"
import { Icon } from "@opencode-ai/ui/icon"
import { Tooltip, TooltipKeybind } from "@opencode-ai/ui/tooltip"
import { DiffChanges } from "@opencode-ai/ui/diff-changes"
import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
import { Tabs } from "@opencode-ai/ui/tabs"
import { useCodeComponent } from "@opencode-ai/ui/context/code"
import { SessionTurn } from "@opencode-ai/ui/session-turn"
import { createAutoScroll } from "@opencode-ai/ui/hooks"
import { SessionMessageRail } from "@opencode-ai/ui/session-message-rail"
import { SessionReview } from "@opencode-ai/ui/session-review"
import { Markdown } from "@opencode-ai/ui/markdown"
import { Accordion } from "@opencode-ai/ui/accordion"
import { StickyAccordionHeader } from "@opencode-ai/ui/sticky-accordion-header"
import { Code } from "@opencode-ai/ui/code"
import {
DragDropProvider,
DragDropSensors,
DragOverlay,
SortableProvider,
closestCenter,
createSortable,
} from "@thisbeyond/solid-dnd"
import type { DragEvent } from "@thisbeyond/solid-dnd"
import type { JSX } from "solid-js"
import { useSync } from "@/context/sync"
import { useTerminal, type LocalPTY } from "@/context/terminal"
import { useLayout } from "@/context/layout"
import { getDirectory, getFilename } from "@opencode-ai/util/path"
import { Terminal } from "@/components/terminal"
import { checksum } from "@opencode-ai/util/encode"
import { useDialog } from "@opencode-ai/ui/context/dialog"
import { DialogSelectFile } from "@/components/dialog-select-file"
import { DialogSelectModel } from "@/components/dialog-select-model"
import { DialogSelectMcp } from "@/components/dialog-select-mcp"
import { useCommand } from "@/context/command"
import { A, useNavigate, useParams } from "@solidjs/router"
import { UserMessage } from "@opencode-ai/sdk/v2"
import { useSDK } from "@/context/sdk"
import { usePrompt } from "@/context/prompt"
import { extractPromptFromParts } from "@/utils/prompt"
import { ConstrainDragYAxis, getDraggableId } from "@/utils/solid-dnd"
import { usePermission } from "@/context/permission"
import { showToast } from "@opencode-ai/ui/toast"
import { useServer } from "@/context/server"
import { Button } from "@opencode-ai/ui/button"
import { DialogSelectServer } from "@/components/dialog-select-server"
import { SessionLspIndicator } from "@/components/session-lsp-indicator"
import { SessionMcpIndicator } from "@/components/session-mcp-indicator"
import { useGlobalSDK } from "@/context/global-sdk"
import { Popover } from "@opencode-ai/ui/popover"
import { Select } from "@opencode-ai/ui/select"
import { TextField } from "@opencode-ai/ui/text-field"
import { base64Encode } from "@opencode-ai/util/encode"
import { iife } from "@opencode-ai/util/iife"
import { AssistantMessage, Session, type Message, type Part } from "@opencode-ai/sdk/v2/client"
function same<T>(a: readonly T[], b: readonly T[]) {
if (a === b) return true
if (a.length !== b.length) return false
return a.every((x, i) => x === b[i])
}
function Header(props: { onMobileMenuToggle?: () => void }) {
const globalSDK = useGlobalSDK()
const layout = useLayout()
const params = useParams()
const navigate = useNavigate()
const command = useCommand()
const server = useServer()
const dialog = useDialog()
const sync = useSync()
const sessions = createMemo(() => (sync.data.session ?? []).filter((s) => !s.parentID))
const currentSession = createMemo(() => sessions().find((s) => s.id === params.id))
const shareEnabled = createMemo(() => sync.data.config.share !== "disabled")
const branch = createMemo(() => sync.data.vcs?.branch)
function navigateToProject(directory: string) {
navigate(`/${base64Encode(directory)}`)
}
function navigateToSession(session: Session | undefined) {
if (!session) return
navigate(`/${params.dir}/session/${session.id}`)
}
return (
<header class="h-12 shrink-0 bg-background-base border-b border-border-weak-base flex" data-tauri-drag-region>
<button
type="button"
class="xl:hidden w-12 shrink-0 flex items-center justify-center border-r border-border-weak-base hover:bg-surface-raised-base-hover active:bg-surface-raised-base-active transition-colors"
onClick={props.onMobileMenuToggle}
>
<Icon name="menu" size="small" />
</button>
<div class="px-4 flex items-center justify-between gap-4 w-full">
<div class="flex items-center gap-3 min-w-0">
<div class="flex items-center gap-2 min-w-0">
<div class="hidden xl:flex items-center gap-2">
<Select
options={layout.projects.list().map((project) => project.worktree)}
current={sync.directory}
label={(x) => {
const name = getFilename(x)
const b = x === sync.directory ? branch() : undefined
return b ? `${name}:${b}` : name
}}
onSelect={(x) => (x ? navigateToProject(x) : undefined)}
class="text-14-regular text-text-base"
variant="ghost"
>
{/* @ts-ignore */}
{(i) => (
<div class="flex items-center gap-2">
<Icon name="folder" size="small" />
<div class="text-text-strong">{getFilename(i)}</div>
</div>
)}
</Select>
<div class="text-text-weaker">/</div>
</div>
<Select
options={sessions()}
current={currentSession()}
placeholder="New session"
label={(x) => x.title}
value={(x) => x.id}
onSelect={navigateToSession}
class="text-14-regular text-text-base max-w-[calc(100vw-180px)] md:max-w-md"
variant="ghost"
/>
</div>
<Show when={currentSession()}>
<TooltipKeybind class="hidden xl:block" title="New session" keybind={command.keybind("session.new")}>
<IconButton as={A} href={`/${params.dir}/session`} icon="edit-small-2" variant="ghost" />
</TooltipKeybind>
</Show>
</div>
<div class="flex items-center gap-3">
<div class="hidden md:flex items-center gap-1">
<Button
size="small"
variant="ghost"
onClick={() => {
dialog.show(() => <DialogSelectServer />)
}}
>
<div
classList={{
"size-1.5 rounded-full": true,
"bg-icon-success-base": server.healthy() === true,
"bg-icon-critical-base": server.healthy() === false,
"bg-border-weak-base": server.healthy() === undefined,
}}
/>
<Icon name="server" size="small" class="text-icon-weak" />
<span class="text-12-regular text-text-weak truncate max-w-[200px]">{server.name}</span>
</Button>
<SessionLspIndicator />
<SessionMcpIndicator />
</div>
<div class="flex items-center gap-1">
<Show when={currentSession()?.summary?.files}>
<TooltipKeybind
class="hidden md:block shrink-0"
title="Toggle review"
keybind={command.keybind("review.toggle")}
>
<Button variant="ghost" class="group/review-toggle size-6 p-0" onClick={layout.review.toggle}>
<div class="relative flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
<Icon
name={layout.review.opened() ? "layout-right" : "layout-left"}
size="small"
class="group-hover/review-toggle:hidden"
/>
<Icon
name={layout.review.opened() ? "layout-right-partial" : "layout-left-partial"}
size="small"
class="hidden group-hover/review-toggle:inline-block"
/>
<Icon
name={layout.review.opened() ? "layout-right-full" : "layout-left-full"}
size="small"
class="hidden group-active/review-toggle:inline-block"
/>
</div>
</Button>
</TooltipKeybind>
</Show>
<TooltipKeybind
class="hidden md:block shrink-0"
title="Toggle terminal"
keybind={command.keybind("terminal.toggle")}
>
<Button variant="ghost" class="group/terminal-toggle size-6 p-0" onClick={layout.terminal.toggle}>
<div class="relative flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
<Icon
size="small"
name={layout.terminal.opened() ? "layout-bottom-full" : "layout-bottom"}
class="group-hover/terminal-toggle:hidden"
/>
<Icon
size="small"
name="layout-bottom-partial"
class="hidden group-hover/terminal-toggle:inline-block"
/>
<Icon
size="small"
name={layout.terminal.opened() ? "layout-bottom" : "layout-bottom-full"}
class="hidden group-active/terminal-toggle:inline-block"
/>
</div>
</Button>
</TooltipKeybind>
</div>
<Show when={shareEnabled() && currentSession()}>
<Popover
title="Share session"
trigger={
<Tooltip class="shrink-0" value="Share session">
<IconButton icon="share" variant="ghost" class="" />
</Tooltip>
}
>
{iife(() => {
const [url] = createResource(
() => currentSession(),
async (session) => {
if (!session) return
let shareURL = session.share?.url
if (!shareURL) {
shareURL = await globalSDK.client.session
.share({ sessionID: session.id, directory: sync.directory })
.then((r) => r.data?.share?.url)
.catch((e) => {
console.error("Failed to share session", e)
return undefined
})
}
return shareURL
},
)
return <Show when={url()}>{(url) => <TextField value={url()} readOnly copyable class="w-72" />}</Show>
})}
</Popover>
</Show>
</div>
</div>
</header>
)
}
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 params = useParams()
const navigate = useNavigate()
const sdk = useSDK()
const prompt = usePrompt()
const permission = usePermission()
const sessionKey = createMemo(() => `${params.dir}${params.id ? "/" + params.id : ""}`)
const tabs = createMemo(() => layout.tabs(sessionKey()))
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 openTab = (value: string) => {
const next = normalizeTab(value)
tabs().open(next)
const path = file.pathFromTab(next)
if (path) file.load(path)
}
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 revertMessageID = createMemo(() => info()?.revert?.messageID)
const messages = createMemo(() => (params.id ? (sync.data.message[params.id] ?? []) : []))
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,
userInteracted: false,
stepsExpanded: true,
mobileStepsExpanded: {} as Record<string, boolean>,
messageId: undefined as string | undefined,
})
const activeMessage = createMemo(() => {
if (!store.messageId) return lastUserMessage()
// If the stored message is no longer visible (e.g., was reverted), fall back to last visible
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
let targetIndex: number
if (currentIndex === -1) {
targetIndex = offset > 0 ? 0 : msgs.length - 1
} else {
targetIndex = currentIndex + offset
}
if (targetIndex < 0 || targetIndex >= msgs.length) return
setActiveMessage(msgs[targetIndex])
}
const diffs = createMemo(() => (params.id ? (sync.data.session_diff[params.id] ?? []) : []))
let inputRef!: HTMLDivElement
createEffect(() => {
if (!params.id) return
sync.session.sync(params.id)
})
createEffect(() => {
if (layout.terminal.opened()) {
if (terminal.all().length === 0) {
terminal.new()
}
}
})
createEffect(
on(
() => visibleUserMessages().at(-1)?.id,
(lastId, prevLastId) => {
if (lastId && prevLastId && lastId > prevLastId) {
setStore("messageId", undefined)
}
},
{ defer: true },
),
)
const idle = { type: "idle" as const }
createEffect(
on(
() => params.id,
(id) => {
const status = sync.data.session_status[id ?? ""] ?? idle
batch(() => {
setStore("userInteracted", false)
setStore("stepsExpanded", status.type !== "idle")
})
},
),
)
const status = createMemo(() => sync.data.session_status[params.id ?? ""] ?? idle)
createEffect(
on(
() => status().type,
(type) => {
if (type !== "idle") return
batch(() => {
setStore("userInteracted", false)
setStore("stepsExpanded", false)
})
},
{ defer: true },
),
)
const working = createMemo(() => status().type !== "idle" && activeMessage()?.id === lastUserMessage()?.id)
createRenderEffect((prev) => {
const isWorking = working()
if (!prev && isWorking) {
setStore("stepsExpanded", true)
}
if (prev && !isWorking && !store.userInteracted) {
setStore("stepsExpanded", false)
}
return isWorking
}, working())
command.register(() => [
{
id: "session.new",
title: "New session",
description: "Create a new session",
category: "Session",
keybind: "mod+shift+s",
slash: "new",
onSelect: () => navigate(`/${params.dir}/session`),
},
{
id: "file.open",
title: "Open file",
description: "Search and open a file",
category: "File",
keybind: "mod+p",
slash: "open",
onSelect: () => dialog.show(() => <DialogSelectFile />),
},
{
id: "terminal.toggle",
title: "Toggle terminal",
description: "Show or hide the terminal",
category: "View",
keybind: "ctrl+`",
slash: "terminal",
onSelect: () => layout.terminal.toggle(),
},
{
id: "review.toggle",
title: "Toggle review",
description: "Show or hide the review panel",
category: "View",
keybind: "mod+shift+r",
onSelect: () => layout.review.toggle(),
},
{
id: "terminal.new",
title: "New terminal",
description: "Create a new terminal tab",
category: "Terminal",
keybind: "ctrl+shift+`",
onSelect: () => terminal.new(),
},
{
id: "steps.toggle",
title: "Toggle steps",
description: "Show or hide the steps",
category: "View",
keybind: "mod+e",
slash: "steps",
disabled: !params.id,
onSelect: () => setStore("stepsExpanded", (x) => !x),
},
{
id: "message.previous",
title: "Previous message",
description: "Go to the previous user message",
category: "Session",
keybind: "mod+arrowup",
disabled: !params.id,
onSelect: () => navigateMessageByOffset(-1),
},
{
id: "message.next",
title: "Next message",
description: "Go to the next user message",
category: "Session",
keybind: "mod+arrowdown",
disabled: !params.id,
onSelect: () => navigateMessageByOffset(1),
},
{
id: "model.choose",
title: "Choose model",
description: "Select a different model",
category: "Model",
keybind: "mod+'",
slash: "model",
onSelect: () => dialog.show(() => <DialogSelectModel />),
},
{
id: "mcp.toggle",
title: "Toggle MCPs",
description: "Toggle MCPs",
category: "MCP",
keybind: "mod+;",
slash: "mcp",
onSelect: () => dialog.show(() => <DialogSelectMcp />),
},
{
id: "agent.cycle",
title: "Cycle agent",
description: "Switch to the next agent",
category: "Agent",
keybind: "mod+.",
slash: "agent",
onSelect: () => local.agent.move(1),
},
{
id: "agent.cycle.reverse",
title: "Cycle agent backwards",
description: "Switch to the previous agent",
category: "Agent",
keybind: "shift+mod+.",
onSelect: () => local.agent.move(-1),
},
{
id: "model.variant.cycle",
title: "Cycle thinking effort",
description: "Switch to the next effort level",
category: "Model",
keybind: "shift+mod+t",
onSelect: () => {
local.model.variant.cycle()
showToast({
title: "Thinking effort changed",
description: "The thinking effort has been changed to " + (local.model.variant.current() ?? "Default"),
})
},
},
{
id: "permissions.autoaccept",
title: params.id && permission.isAutoAccepting(params.id) ? "Stop auto-accepting edits" : "Auto-accept edits",
category: "Permissions",
keybind: "mod+shift+a",
disabled: !params.id || !permission.permissionsEnabled(),
onSelect: () => {
const sessionID = params.id
if (!sessionID) return
permission.toggleAutoAccept(sessionID, sdk.directory)
showToast({
title: permission.isAutoAccepting(sessionID) ? "Auto-accepting edits" : "Stopped auto-accepting edits",
description: permission.isAutoAccepting(sessionID)
? "Edit and write permissions will be automatically approved"
: "Edit and write permissions will require approval",
})
},
},
{
id: "session.undo",
title: "Undo",
description: "Undo the last message",
category: "Session",
slash: "undo",
disabled: !params.id || visibleUserMessages().length === 0,
onSelect: async () => {
const sessionID = params.id
if (!sessionID) return
if (status()?.type !== "idle") {
await sdk.client.session.abort({ sessionID }).catch(() => {})
}
const revert = info()?.revert?.messageID
// Find the last user message that's not already reverted
const message = userMessages().findLast((x) => !revert || x.id < revert)
if (!message) return
await sdk.client.session.revert({ sessionID, messageID: message.id })
// Restore the prompt from the reverted message
const parts = sync.data.part[message.id]
if (parts) {
const restored = extractPromptFromParts(parts)
prompt.set(restored)
}
// Navigate to the message before the reverted one (which will be the new last visible message)
const priorMessage = userMessages().findLast((x) => x.id < message.id)
setActiveMessage(priorMessage)
},
},
{
id: "session.redo",
title: "Redo",
description: "Redo the last undone message",
category: "Session",
slash: "redo",
disabled: !params.id || !info()?.revert?.messageID,
onSelect: async () => {
const sessionID = params.id
if (!sessionID) return
const revertMessageID = info()?.revert?.messageID
if (!revertMessageID) return
const nextMessage = userMessages().find((x) => x.id > revertMessageID)
if (!nextMessage) {
// Full unrevert - restore all messages and navigate to last
await sdk.client.session.unrevert({ sessionID })
prompt.reset()
// Navigate to the last message (the one that was at the revert point)
const lastMsg = userMessages().findLast((x) => x.id >= revertMessageID)
setActiveMessage(lastMsg)
return
}
// Partial redo - move forward to next message
await sdk.client.session.revert({ sessionID, messageID: nextMessage.id })
// Navigate to the message before the new revert point
const priorMsg = userMessages().findLast((x) => x.id < nextMessage.id)
setActiveMessage(priorMsg)
},
},
])
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)$/.test(activeElement.tagName) || activeElement.isContentEditable
if (isProtected || isInput) return
}
if (dialog.active) return
if (activeElement === inputRef) {
if (event.key === "Escape") inputRef?.blur()
return
}
if (event.key.length === 1 && event.key !== "Unidentified" && !(event.ctrlKey || event.metaKey)) {
inputRef?.focus()
}
}
onMount(() => {
document.addEventListener("keydown", handleKeyDown)
})
onCleanup(() => {
document.removeEventListener("keydown", handleKeyDown)
})
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 SortableTerminalTab = (props: { terminal: LocalPTY }): JSX.Element => {
const sortable = createSortable(props.terminal.id)
return (
// @ts-ignore
<div use:sortable classList={{ "h-full": true, "opacity-0": sortable.isActiveDraggable }}>
<div class="relative h-full">
<Tabs.Trigger
value={props.terminal.id}
closeButton={
terminal.all().length > 1 && (
<IconButton icon="close" variant="ghost" onClick={() => terminal.close(props.terminal.id)} />
)
}
>
{props.terminal.title}
</Tabs.Trigger>
</div>
</div>
)
}
const FileVisual = (props: { path: string; active?: boolean }): JSX.Element => {
return (
<div class="flex items-center gap-x-1.5">
<FileIcon
node={{ path: props.path, type: "file" }}
classList={{
"grayscale-100 group-data-[selected]/tab:grayscale-0": !props.active,
"grayscale-0": props.active,
}}
/>
<span class="text-14-medium">{getFilename(props.path)}</span>
</div>
)
}
const SortableTab = (props: { tab: string; onTabClose: (tab: string) => void }): JSX.Element => {
const sortable = createSortable(props.tab)
const path = createMemo(() => file.pathFromTab(props.tab))
return (
// @ts-ignore
<div use:sortable classList={{ "h-full": true, "opacity-0": sortable.isActiveDraggable }}>
<div class="relative h-full">
<Tabs.Trigger
value={props.tab}
closeButton={
<Tooltip value="Close tab" placement="bottom">
<IconButton icon="close" variant="ghost" onClick={() => props.onTabClose(props.tab)} />
</Tooltip>
}
hideCloseButton
>
<Show when={path()}>{(p) => <FileVisual path={p()} />}</Show>
</Tabs.Trigger>
</div>
</div>
)
}
const contextOpen = createMemo(() => tabs().active() === "context" || tabs().all().includes("context"))
const openedTabs = createMemo(() =>
tabs()
.all()
.filter((tab) => tab !== "context"),
)
const showTabs = createMemo(
() => layout.review.opened() && (diffs().length > 0 || tabs().all().length > 0 || contextOpen()),
)
const activeTab = createMemo(() => {
const active = tabs().active()
if (active) return active
if (diffs().length > 0) return "review"
return tabs().all()[0] ?? "review"
})
const mobileWorking = createMemo(() => status().type !== "idle")
const mobileAutoScroll = createAutoScroll({
working: mobileWorking,
onUserInteracted: () => setStore("userInteracted", true),
})
const MobileTurns = () => (
<div
ref={mobileAutoScroll.scrollRef}
onScroll={mobileAutoScroll.handleScroll}
onClick={mobileAutoScroll.handleInteraction}
class="relative mt-2 min-w-0 w-full h-full overflow-y-auto no-scrollbar pb-12"
>
<div ref={mobileAutoScroll.contentRef} class="flex flex-col gap-45 items-start justify-start mt-4">
<For each={visibleUserMessages()}>
{(message) => (
<SessionTurn
sessionID={params.id!}
messageID={message.id}
lastUserMessageID={lastUserMessage()?.id}
stepsExpanded={store.mobileStepsExpanded[message.id] ?? false}
onStepsExpandedToggle={() => setStore("mobileStepsExpanded", message.id, (x) => !x)}
onUserInteracted={() => setStore("userInteracted", true)}
classes={{
root: "min-w-0 w-full relative",
content:
"flex flex-col justify-between !overflow-visible [&_[data-slot=session-turn-message-header]]:top-[-32px]",
container: "px-4",
}}
/>
)}
</For>
</div>
</div>
)
const NewSessionView = () => (
<div class="size-full flex flex-col pb-45 justify-end items-start gap-4 flex-[1_0_0] self-stretch max-w-200 mx-auto px-6">
<div class="text-20-medium text-text-weaker">New session</div>
<div class="flex justify-center items-center gap-3">
<Icon name="folder" size="small" />
<div class="text-12-medium text-text-weak">
{getDirectory(sync.data.path.directory)}
<span class="text-text-strong">{getFilename(sync.data.path.directory)}</span>
</div>
</div>
<Show when={sync.project}>
{(project) => (
<div class="flex justify-center items-center gap-3">
<Icon name="pencil-line" size="small" />
<div class="text-12-medium text-text-weak">
Last modified&nbsp;
<span class="text-text-strong">
{DateTime.fromMillis(project().time.updated ?? project().time.created).toRelative()}
</span>
</div>
</div>
)}
</Show>
</div>
)
const DesktopSessionContent = () => (
<Switch>
<Match when={params.id}>
<div class="flex items-start justify-start h-full min-h-0">
<SessionMessageRail
messages={visibleUserMessages()}
current={activeMessage()}
onMessageSelect={setActiveMessage}
wide={!showTabs()}
/>
<Show when={activeMessage()}>
<SessionTurn
sessionID={params.id!}
messageID={activeMessage()!.id}
lastUserMessageID={lastUserMessage()?.id}
stepsExpanded={store.stepsExpanded}
onStepsExpandedToggle={() => setStore("stepsExpanded", (x) => !x)}
onUserInteracted={() => setStore("userInteracted", true)}
classes={{
root: "pb-20 flex-1 min-w-0",
content: "pb-20",
container:
"w-full " +
(!showTabs() ? "max-w-200 mx-auto px-6" : visibleUserMessages().length > 1 ? "pr-6 pl-18" : "px-6"),
}}
/>
</Show>
</div>
</Match>
<Match when={true}>
<NewSessionView />
</Match>
</Switch>
)
const ContextTab = () => {
const ctx = createMemo(() => {
const last = messages().findLast((x) => {
if (x.role !== "assistant") return false
const total = x.tokens.input + x.tokens.output + x.tokens.reasoning + x.tokens.cache.read + x.tokens.cache.write
return total > 0
}) as AssistantMessage
if (!last) return
const provider = sync.data.provider.all.find((x) => x.id === last.providerID)
const model = provider?.models[last.modelID]
const limit = model?.limit.context
const input = last.tokens.input
const output = last.tokens.output
const reasoning = last.tokens.reasoning
const cacheRead = last.tokens.cache.read
const cacheWrite = last.tokens.cache.write
const total = input + output + reasoning + cacheRead + cacheWrite
const usage = limit ? Math.round((total / limit) * 100) : null
return {
message: last,
provider,
model,
limit,
input,
output,
reasoning,
cacheRead,
cacheWrite,
total,
usage,
}
})
const cost = createMemo(() => {
const total = messages().reduce((sum, x) => sum + (x.role === "assistant" ? x.cost : 0), 0)
return new Intl.NumberFormat("en-US", {
style: "currency",
currency: "USD",
}).format(total)
})
const counts = createMemo(() => {
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 {
all: all.length,
user,
assistant,
}
})
const systemPrompt = createMemo(() => {
const msg = visibleUserMessages().findLast((m) => !!m.system)
const system = msg?.system
if (!system) return
const trimmed = system.trim()
if (!trimmed) return
return trimmed
})
const number = (value: number | null | undefined) => {
if (value === undefined) return "—"
if (value === null) return "—"
return value.toLocaleString()
}
const percent = (value: number | null | undefined) => {
if (value === undefined) return "—"
if (value === null) return "—"
return value.toString() + "%"
}
const time = (value: number | undefined) => {
if (!value) return "—"
return DateTime.fromMillis(value).toLocaleString(DateTime.DATETIME_MED)
}
const providerLabel = createMemo(() => {
const c = ctx()
if (!c) return "—"
return c.provider?.name ?? c.message.providerID
})
const modelLabel = createMemo(() => {
const c = ctx()
if (!c) return "—"
if (c.model?.name) return c.model.name
return c.message.modelID
})
const breakdown = createMemo(
on(
() => [ctx()?.message.id, ctx()?.input, messages().length, systemPrompt()],
() => {
const c = ctx()
if (!c) return []
const input = c.input
if (!input) return []
const out = {
system: systemPrompt()?.length ?? 0,
user: 0,
assistant: 0,
tool: 0,
}
for (const msg of messages()) {
const parts = (sync.data.part[msg.id] ?? []) as Part[]
if (msg.role === "user") {
for (const part of parts) {
if (part.type === "text") out.user += part.text.length
if (part.type === "file") out.user += part.source?.text.value.length ?? 0
if (part.type === "agent") out.user += part.source?.value.length ?? 0
}
continue
}
if (msg.role === "assistant") {
for (const part of parts) {
if (part.type === "text") out.assistant += part.text.length
if (part.type === "reasoning") out.assistant += part.text.length
if (part.type === "tool") {
out.tool += Object.keys(part.state.input).length * 16
if (part.state.status === "pending") out.tool += part.state.raw.length
if (part.state.status === "completed") out.tool += part.state.output.length
if (part.state.status === "error") out.tool += part.state.error.length
}
}
}
}
const estimateTokens = (chars: number) => Math.ceil(chars / 4)
const system = estimateTokens(out.system)
const user = estimateTokens(out.user)
const assistant = estimateTokens(out.assistant)
const tool = estimateTokens(out.tool)
const estimated = system + user + assistant + tool
const pct = (tokens: number) => (tokens / input) * 100
const pctLabel = (tokens: number) => (Math.round(pct(tokens) * 10) / 10).toString() + "%"
const build = (tokens: { system: number; user: number; assistant: number; tool: number; other: number }) => {
return [
{
key: "system",
label: "System",
tokens: tokens.system,
width: pct(tokens.system),
percent: pctLabel(tokens.system),
color: "var(--syntax-info)",
},
{
key: "user",
label: "User",
tokens: tokens.user,
width: pct(tokens.user),
percent: pctLabel(tokens.user),
color: "var(--syntax-success)",
},
{
key: "assistant",
label: "Assistant",
tokens: tokens.assistant,
width: pct(tokens.assistant),
percent: pctLabel(tokens.assistant),
color: "var(--syntax-property)",
},
{
key: "tool",
label: "Tool Calls",
tokens: tokens.tool,
width: pct(tokens.tool),
percent: pctLabel(tokens.tool),
color: "var(--syntax-warning)",
},
{
key: "other",
label: "Other",
tokens: tokens.other,
width: pct(tokens.other),
percent: pctLabel(tokens.other),
color: "var(--syntax-comment)",
},
].filter((x) => x.tokens > 0)
}
if (estimated <= input) {
return build({ system, user, assistant, tool, other: input - estimated })
}
const scale = input / estimated
const scaled = {
system: Math.floor(system * scale),
user: Math.floor(user * scale),
assistant: Math.floor(assistant * scale),
tool: Math.floor(tool * scale),
}
const scaledTotal = scaled.system + scaled.user + scaled.assistant + scaled.tool
return build({ ...scaled, other: Math.max(0, input - scaledTotal) })
},
),
)
function Stat(props: { label: string; value: JSX.Element }) {
return (
<div class="flex flex-col gap-1">
<div class="text-12-regular text-text-weak">{props.label}</div>
<div class="text-12-medium text-text-strong">{props.value}</div>
</div>
)
}
const stats = createMemo(() => {
const c = ctx()
const count = counts()
return [
{ label: "Session", value: info()?.title ?? params.id ?? "—" },
{ label: "Messages", value: count.all.toLocaleString() },
{ label: "Provider", value: providerLabel() },
{ label: "Model", value: modelLabel() },
{ label: "Context Limit", value: number(c?.limit) },
{ label: "Total Tokens", value: number(c?.total) },
{ label: "Usage", value: percent(c?.usage) },
{ label: "Input Tokens", value: number(c?.input) },
{ label: "Output Tokens", value: number(c?.output) },
{ label: "Reasoning Tokens", value: number(c?.reasoning) },
{ label: "Cache Tokens (read/write)", value: `${number(c?.cacheRead)} / ${number(c?.cacheWrite)}` },
{ label: "User Messages", value: count.user.toLocaleString() },
{ label: "Assistant Messages", value: count.assistant.toLocaleString() },
{ label: "Total Cost", value: cost() },
{ label: "Session Created", value: time(info()?.time.created) },
{ label: "Last Activity", value: time(c?.message.time.created) },
] satisfies { label: string; value: JSX.Element }[]
})
function RawMessageContent(props: { message: Message }) {
const file = createMemo(() => {
const parts = (sync.data.part[props.message.id] ?? []) as Part[]
const contents = JSON.stringify({ message: props.message, parts }, null, 2)
return {
name: `${props.message.role}-${props.message.id}.json`,
contents,
cacheKey: checksum(contents),
}
})
return <Code file={file()} overflow="wrap" class="select-text" />
}
function RawMessage(props: { message: Message }) {
return (
<Accordion.Item value={props.message.id}>
<StickyAccordionHeader>
<Accordion.Trigger>
<div class="flex items-center justify-between gap-2 w-full">
<div class="min-w-0 truncate">
{props.message.role} <span class="text-text-base"> {props.message.id}</span>
</div>
<div class="flex items-center gap-3">
<div class="shrink-0 text-12-regular text-text-weak">{time(props.message.time.created)}</div>
<Icon name="chevron-grabber-vertical" size="small" class="shrink-0 text-text-weak" />
</div>
</div>
</Accordion.Trigger>
</StickyAccordionHeader>
<Accordion.Content class="bg-background-base">
<div class="p-3">
<RawMessageContent message={props.message} />
</div>
</Accordion.Content>
</Accordion.Item>
)
}
return (
<div class="@container h-full overflow-y-auto no-scrollbar pb-10">
<div class="px-6 pt-4 flex flex-col gap-10">
<div class="grid grid-cols-1 @[32rem]:grid-cols-2 gap-4">
<For each={stats()}>{(stat) => <Stat label={stat.label} value={stat.value} />}</For>
</div>
<Show when={breakdown().length > 0}>
<div class="flex flex-col gap-2">
<div class="text-12-regular text-text-weak">Context Breakdown</div>
<div class="h-2 w-full rounded-full bg-surface-base overflow-hidden flex">
<For each={breakdown()}>
{(segment) => (
<div
class="h-full"
style={{
width: `${segment.width}%`,
"background-color": segment.color,
}}
/>
)}
</For>
</div>
<div class="flex flex-wrap gap-x-3 gap-y-1">
<For each={breakdown()}>
{(segment) => (
<div class="flex items-center gap-1 text-11-regular text-text-weak">
<div class="size-2 rounded-sm" style={{ "background-color": segment.color }} />
<div>{segment.label}</div>
<div class="text-text-weaker">{segment.percent}</div>
</div>
)}
</For>
</div>
<div class="hidden text-11-regular text-text-weaker">
Approximate breakdown of input tokens. "Other" includes tool definitions and overhead.
</div>
</div>
</Show>
<Show when={systemPrompt()}>
{(prompt) => (
<div class="flex flex-col gap-2">
<div class="text-12-regular text-text-weak">System Prompt</div>
<div class="border border-border-base rounded-md bg-surface-base px-3 py-2">
<Markdown text={prompt()} class="text-12-regular" />
</div>
</div>
)}
</Show>
<div class="flex flex-col gap-2">
<div class="text-12-regular text-text-weak">Raw messages</div>
<Accordion multiple>
<For each={messages()}>{(message) => <RawMessage message={message} />}</For>
</Accordion>
</div>
</div>
</div>
)
}
return (
<div class="relative bg-background-base size-full overflow-hidden flex flex-col">
<Header />
<div class="md:hidden flex-1 min-h-0 flex flex-col bg-background-stronger">
<Switch>
<Match when={!params.id}>
<div class="flex-1 min-h-0 overflow-hidden">
<NewSessionView />
</div>
</Match>
<Match when={diffs().length > 0}>
<Tabs class="flex-1 min-h-0 flex flex-col pb-28">
<Tabs.List>
<Tabs.Trigger value="session" class="w-1/2" classes={{ button: "w-full" }}>
Session
</Tabs.Trigger>
<Tabs.Trigger value="review" class="w-1/2 !border-r-0" classes={{ button: "w-full" }}>
{diffs().length} Files Changed
</Tabs.Trigger>
</Tabs.List>
<Tabs.Content value="session" class="flex-1 !overflow-hidden">
<MobileTurns />
</Tabs.Content>
<Tabs.Content forceMount value="review" class="flex-1 !overflow-hidden hidden data-[selected]:block">
<div class="relative h-full mt-6 overflow-y-auto no-scrollbar">
<SessionReview
diffs={diffs()}
diffStyle={layout.review.diffStyle()}
onDiffStyleChange={layout.review.setDiffStyle}
classes={{
root: "pb-32",
header: "px-4",
container: "px-4",
}}
/>
</div>
</Tabs.Content>
</Tabs>
</Match>
<Match when={true}>
<div class="flex-1 min-h-0 overflow-hidden">
<MobileTurns />
</div>
</Match>
</Switch>
<div class="absolute inset-x-0 bottom-4 flex flex-col justify-center items-center z-50 px-4">
<div class="w-full">
<PromptInput
ref={(el) => {
inputRef = el
}}
/>
</div>
</div>
</div>
<div class="hidden md:flex min-h-0 grow w-full">
<div
class="@container relative shrink-0 py-3 flex flex-col gap-6 min-h-0 h-full bg-background-stronger"
style={{ width: showTabs() ? `${layout.session.width()}px` : "100%" }}
>
<div class="flex-1 min-h-0 overflow-hidden">
<DesktopSessionContent />
</div>
<div class="absolute inset-x-0 bottom-8 flex flex-col justify-center items-center z-50">
<div
classList={{
"w-full px-6": true,
"max-w-200": !showTabs(),
}}
>
<PromptInput
ref={(el) => {
inputRef = el
}}
/>
</div>
</div>
<Show when={showTabs()}>
<ResizeHandle
direction="horizontal"
size={layout.session.width()}
min={450}
max={window.innerWidth * 0.45}
onResize={layout.session.resize}
/>
</Show>
</div>
<Show when={showTabs()}>
<div class="relative flex-1 min-w-0 h-full border-l border-border-weak-base">
<DragDropProvider
onDragStart={handleDragStart}
onDragEnd={handleDragEnd}
onDragOver={handleDragOver}
collisionDetector={closestCenter}
>
<DragDropSensors />
<ConstrainDragYAxis />
<Tabs value={activeTab()} onChange={openTab}>
<div class="sticky top-0 shrink-0 flex">
<Tabs.List>
<Show when={diffs().length}>
<Tabs.Trigger value="review">
<div class="flex items-center gap-3">
<Show when={diffs()}>
<DiffChanges changes={diffs()} variant="bars" />
</Show>
<div class="flex items-center gap-1.5">
<div>Review</div>
<Show when={info()?.summary?.files}>
<div class="text-12-medium text-text-strong h-4 px-2 flex flex-col items-center justify-center rounded-full bg-surface-base">
{info()?.summary?.files ?? 0}
</div>
</Show>
</div>
</div>
</Tabs.Trigger>
</Show>
<Show when={contextOpen()}>
<Tabs.Trigger
value="context"
closeButton={
<Tooltip value="Close tab" placement="bottom">
<IconButton icon="close" variant="ghost" onClick={() => tabs().close("context")} />
</Tooltip>
}
hideCloseButton
>
<div class="flex items-center gap-2">
<SessionContextUsage variant="indicator" />
<div>Context</div>
</div>
</Tabs.Trigger>
</Show>
<SortableProvider ids={openedTabs()}>
<For each={openedTabs()}>{(tab) => <SortableTab tab={tab} onTabClose={tabs().close} />}</For>
</SortableProvider>
<div class="bg-background-base h-full flex items-center justify-center border-b border-border-weak-base px-3">
<TooltipKeybind
title="Open file"
keybind={command.keybind("file.open")}
class="flex items-center"
>
<IconButton
icon="plus-small"
variant="ghost"
iconSize="large"
onClick={() => dialog.show(() => <DialogSelectFile />)}
/>
</TooltipKeybind>
</div>
</Tabs.List>
</div>
<Show when={diffs().length}>
<Tabs.Content value="review" class="flex flex-col h-full overflow-hidden contain-strict">
<div class="relative pt-2 flex-1 min-h-0 overflow-hidden">
<SessionReview
classes={{
root: "pb-40",
header: "px-6",
container: "px-6",
}}
diffs={diffs()}
diffStyle={layout.review.diffStyle()}
onDiffStyleChange={layout.review.setDiffStyle}
/>
</div>
</Tabs.Content>
</Show>
<Show when={contextOpen()}>
<Tabs.Content value="context" class="flex flex-col h-full overflow-hidden contain-strict">
<div class="relative pt-2 flex-1 min-h-0 overflow-hidden">
<ContextTab />
</div>
</Tabs.Content>
</Show>
<For each={openedTabs()}>
{(tab) => {
let scroll: HTMLDivElement | undefined
let scrollFrame: number | undefined
let pendingTop: number | undefined
const path = createMemo(() => file.pathFromTab(tab))
const state = createMemo(() => {
const p = path()
if (!p) return
return file.get(p)
})
const contents = createMemo(() => state()?.content?.content ?? "")
const selectedLines = createMemo(() => {
const p = path()
if (!p) return null
return file.selectedLines(p) ?? null
})
const selection = createMemo(() => {
const range = selectedLines()
if (!range) return
return selectionFromLines(range)
})
const selectionLabel = createMemo(() => {
const sel = selection()
if (!sel) return
if (sel.startLine === sel.endLine) return `L${sel.startLine}`
return `L${sel.startLine}-${sel.endLine}`
})
const restoreScroll = () => {
const el = scroll
const p = path()
if (!el || !p) return
const top = file.scrollTop(p)
if (top === undefined) return
if (el.scrollTop === top) return
el.scrollTop = top
}
const handleScroll = (event: Event & { currentTarget: HTMLDivElement }) => {
const p = path()
if (!p) return
pendingTop = event.currentTarget.scrollTop
if (scrollFrame !== undefined) return
scrollFrame = requestAnimationFrame(() => {
scrollFrame = undefined
const top = pendingTop
pendingTop = undefined
if (top === undefined) return
file.setScrollTop(p, top)
})
}
createEffect(
on(
() => state()?.loaded,
(loaded) => {
if (!loaded) return
requestAnimationFrame(restoreScroll)
},
{ defer: true },
),
)
createEffect(
on(
() => file.ready(),
(ready) => {
if (!ready) return
requestAnimationFrame(restoreScroll)
},
{ defer: true },
),
)
onCleanup(() => {
if (scrollFrame === undefined) return
cancelAnimationFrame(scrollFrame)
})
return (
<Tabs.Content
value={tab}
class="mt-3"
ref={(el: HTMLDivElement) => {
scroll = el
restoreScroll()
}}
onScroll={handleScroll}
>
<Show when={selection()}>
{(sel) => (
<div class="sticky top-0 z-10 px-6 py-2 flex justify-end bg-background-base border-b border-border-weak-base">
<button
type="button"
class="flex items-center gap-2 px-2 py-1 rounded-md bg-surface-base border border-border-base text-12-regular text-text-strong hover:bg-surface-raised-base-hover"
onClick={() => {
const p = path()
if (!p) return
prompt.context.add({ type: "file", path: p, selection: sel() })
}}
>
<Icon name="plus-small" size="small" />
<span>Add {selectionLabel()} to context</span>
</button>
</div>
)}
</Show>
<Switch>
<Match when={state()?.loaded}>
<Dynamic
component={codeComponent}
file={{
name: path() ?? "",
contents: contents(),
cacheKey: checksum(contents()),
}}
enableLineSelection
selectedLines={selectedLines()}
onLineSelected={(range: SelectedLineRange | null) => {
const p = path()
if (!p) return
file.setSelectedLines(p, range)
}}
overflow="scroll"
class="select-text pb-40"
/>
</Match>
<Match when={state()?.loading}>
<div class="px-6 py-4 text-text-weak">Loading...</div>
</Match>
<Match when={state()?.error}>
{(err) => <div class="px-6 py-4 text-text-weak">{err()}</div>}
</Match>
</Switch>
</Tabs.Content>
)
}}
</For>
</Tabs>
<DragOverlay>
<Show when={store.activeDraggable}>
{(tab) => {
const path = createMemo(() => file.pathFromTab(tab()))
return (
<div class="relative px-6 h-12 flex items-center bg-background-stronger border-x border-border-weak-base border-b border-b-transparent">
<Show when={path()}>{(p) => <FileVisual active path={p()} />}</Show>
</div>
)
}}
</Show>
</DragOverlay>
</DragDropProvider>
</div>
</Show>
</div>
<Show when={layout.terminal.opened()}>
<div
class="hidden md:flex relative w-full flex-col shrink-0 border-t border-border-weak-base"
style={{ height: `${layout.terminal.height()}px` }}
>
<ResizeHandle
direction="vertical"
size={layout.terminal.height()}
min={100}
max={window.innerHeight * 0.6}
collapseThreshold={50}
onResize={layout.terminal.resize}
onCollapse={layout.terminal.close}
/>
<DragDropProvider
onDragStart={handleTerminalDragStart}
onDragEnd={handleTerminalDragEnd}
onDragOver={handleTerminalDragOver}
collisionDetector={closestCenter}
>
<DragDropSensors />
<ConstrainDragYAxis />
<Tabs variant="alt" value={terminal.active()} onChange={terminal.open}>
<Tabs.List class="h-10">
<SortableProvider ids={terminal.all().map((t: LocalPTY) => t.id)}>
<For each={terminal.all()}>{(pty) => <SortableTerminalTab terminal={pty} />}</For>
</SortableProvider>
<div class="h-full flex items-center justify-center">
<TooltipKeybind
title="New terminal"
keybind={command.keybind("terminal.new")}
class="flex items-center"
>
<IconButton icon="plus-small" variant="ghost" iconSize="large" onClick={terminal.new} />
</TooltipKeybind>
</div>
</Tabs.List>
<For each={terminal.all()}>
{(pty) => (
<Tabs.Content value={pty.id}>
<Terminal pty={pty} onCleanup={terminal.update} onConnectError={() => terminal.clone(pty.id)} />
</Tabs.Content>
)}
</For>
</Tabs>
<DragOverlay>
<Show when={store.activeTerminalDraggable}>
{(draggedId) => {
const pty = createMemo(() => terminal.all().find((t: LocalPTY) => t.id === draggedId()))
return (
<Show when={pty()}>
{(t) => (
<div class="relative p-1 h-10 flex items-center bg-background-stronger text-14-regular">
{t().title}
</div>
)}
</Show>
)
}}
</Show>
</DragOverlay>
</DragDropProvider>
</div>
</Show>
</div>
)
}