708 lines
23 KiB
TypeScript
708 lines
23 KiB
TypeScript
import { For, Show, createSignal, createEffect, createMemo, onCleanup } from "solid-js"
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import type { Message, MessageDisplayParts, SDKPart, MessageInfo, ClientPart } from "../types/message"
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type ToolCallPart = Extract<ClientPart, { type: "tool" }>
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// Import ToolState types from SDK
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type ToolState = import("@opencode-ai/sdk").ToolState
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type ToolStateRunning = import("@opencode-ai/sdk").ToolStateRunning
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type ToolStateCompleted = import("@opencode-ai/sdk").ToolStateCompleted
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type ToolStateError = import("@opencode-ai/sdk").ToolStateError
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// Type guards
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function isToolStateRunning(state: ToolState): state is ToolStateRunning {
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return state.status === "running"
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}
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function isToolStateCompleted(state: ToolState): state is ToolStateCompleted {
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return state.status === "completed"
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}
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function isToolStateError(state: ToolState): state is ToolStateError {
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return state.status === "error"
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}
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// Type guard to check if a part is a tool part
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function isToolPart(part: ClientPart): part is ToolCallPart {
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return part.type === "tool"
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}
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import MessageItem from "./message-item"
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import ToolCall from "./tool-call"
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import { sseManager } from "../lib/sse-manager"
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import Kbd from "./kbd"
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import { useConfig } from "../stores/preferences"
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import { getSessionInfo, computeDisplayParts, sessions, setActiveSession, setActiveParentSession } from "../stores/sessions"
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import { setActiveInstanceId } from "../stores/instances"
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const codeNomadLogo = new URL("../images/CodeNomad-Icon.png", import.meta.url).href
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const SCROLL_OFFSET = 64
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const SCROLL_DIRECTION_THRESHOLD = 10
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interface TaskSessionLocation {
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sessionId: string
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instanceId: string
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parentId: string | null
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}
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const messageScrollState = new Map<string, { scrollTop: number; autoScroll: boolean }>()
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function findTaskSessionLocation(sessionId: string): TaskSessionLocation | null {
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if (!sessionId) return null
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const allSessions = sessions()
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for (const [instanceId, sessionMap] of allSessions) {
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const session = sessionMap?.get(sessionId)
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if (session) {
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return {
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sessionId: session.id,
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instanceId,
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parentId: session.parentId ?? null,
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}
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}
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}
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return null
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}
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function navigateToTaskSession(location: TaskSessionLocation) {
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setActiveInstanceId(location.instanceId)
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const parentToActivate = location.parentId ?? location.sessionId
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setActiveParentSession(location.instanceId, parentToActivate)
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if (location.parentId) {
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setActiveSession(location.instanceId, location.sessionId)
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}
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}
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// Format tokens like TUI (e.g., "110K", "1.2M")
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function formatTokens(tokens: number): string {
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if (tokens >= 1000000) {
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return `${(tokens / 1000000).toFixed(1)}M`
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} else if (tokens >= 1000) {
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return `${(tokens / 1000).toFixed(0)}K`
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}
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return tokens.toString()
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}
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// Format session info for the session view header
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function formatSessionInfo(usageTokens: number, contextWindow: number, usagePercent: number | null): string {
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if (contextWindow > 0) {
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const windowStr = formatTokens(contextWindow)
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const usageStr = formatTokens(usageTokens)
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const percent = usagePercent ?? Math.min(100, Math.max(0, Math.round((usageTokens / contextWindow) * 100)))
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return `${usageStr} of ${windowStr} (${percent}%)`
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}
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return formatTokens(usageTokens)
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}
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interface MessageStreamProps {
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instanceId: string
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sessionId: string
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messages: Message[]
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messagesInfo?: Map<string, MessageInfo>
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revert?: {
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messageID: string
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partID?: string
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snapshot?: string
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diff?: string
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}
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loading?: boolean
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onRevert?: (messageId: string) => void
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onFork?: (messageId?: string) => void
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}
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interface MessageDisplayItem {
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type: "message"
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message: Message
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combinedParts: ClientPart[]
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isQueued: boolean
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messageInfo?: MessageInfo
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}
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interface ToolDisplayItem {
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type: "tool"
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key: string
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toolPart: ToolCallPart
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messageInfo?: MessageInfo
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messageId: string
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messageVersion: number
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partVersion: number
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}
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type DisplayItem = MessageDisplayItem | ToolDisplayItem
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interface MessageCacheEntry {
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message: Message
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version: number
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showThinking: boolean
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isQueued: boolean
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messageInfo?: MessageInfo
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displayParts: MessageDisplayParts
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item: MessageDisplayItem
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}
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interface ToolCacheEntry {
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toolPart: ClientPart
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messageInfo?: MessageInfo
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signature: string
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contentKey: string
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item: ToolDisplayItem
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}
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interface SessionCache {
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messageItemCache: Map<string, MessageCacheEntry>
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toolItemCache: Map<string, ToolCacheEntry>
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}
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const sessionCaches = new Map<string, SessionCache>()
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function getSessionCache(instanceId: string, sessionId: string): SessionCache {
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const key = `${instanceId}:${sessionId}`
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let cache = sessionCaches.get(key)
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if (!cache) {
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cache = {
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messageItemCache: new Map(),
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toolItemCache: new Map(),
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}
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sessionCaches.set(key, cache)
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}
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return cache
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}
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export default function MessageStream(props: MessageStreamProps) {
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const { preferences } = useConfig()
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let containerRef: HTMLDivElement | undefined
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const [autoScroll, setAutoScroll] = createSignal(true)
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const [showScrollBottomButton, setShowScrollBottomButton] = createSignal(false)
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const [showScrollTopButton, setShowScrollTopButton] = createSignal(false)
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const sessionCache = getSessionCache(props.instanceId, props.sessionId)
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let messageItemCache = sessionCache.messageItemCache
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let toolItemCache = sessionCache.toolItemCache
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let scrollAnimationFrame: number | null = null
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let lastKnownScrollTop = 0
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const makeScrollKey = (instanceId: string, sessionId: string) => `${instanceId}:${sessionId}`
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const scrollStateKey = () => makeScrollKey(props.instanceId, props.sessionId)
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const connectionStatus = () => sseManager.getStatus(props.instanceId)
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function createToolSignature(message: Message, toolPart: ClientPart, toolIndex: number, messageInfo?: MessageInfo): string {
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const messageId = message.id
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const partId = typeof toolPart?.id === "string" ? toolPart.id : `${messageId}-tool-${toolIndex}`
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return `${messageId}:${partId}`
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}
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function createToolContentKey(toolPart: ClientPart, messageInfo?: MessageInfo): string {
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const state = isToolPart(toolPart) ? toolPart.state : undefined
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const version = typeof toolPart?.version === "number" ? toolPart.version : 0
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const status = state?.status ?? "unknown"
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return `${toolPart.id}:${version}:${status}`
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}
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const sessionInfo = createMemo(() =>
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getSessionInfo(props.instanceId, props.sessionId) ?? {
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tokens: 0,
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cost: 0,
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contextWindow: 0,
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isSubscriptionModel: false,
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contextUsageTokens: 0,
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contextUsagePercent: null,
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},
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)
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const formattedSessionInfo = createMemo(() => {
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const info = sessionInfo()
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return formatSessionInfo(info.contextUsageTokens, info.contextWindow, info.contextUsagePercent)
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})
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function isNearBottom(element: HTMLDivElement, offset = SCROLL_OFFSET) {
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const { scrollTop, scrollHeight, clientHeight } = element
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const distance = scrollHeight - (scrollTop + clientHeight)
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return distance <= offset
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}
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function isNearTop(element: HTMLDivElement, offset = SCROLL_OFFSET) {
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return element.scrollTop <= offset
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}
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function scrollToBottom(options: { smooth?: boolean } = {}) {
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if (!containerRef) return
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const behavior = options.smooth ? "smooth" : "auto"
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requestAnimationFrame(() => {
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if (!containerRef) return
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containerRef.scrollTo({ top: containerRef.scrollHeight, behavior })
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setAutoScroll(true)
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updateScrollIndicators(containerRef)
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})
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}
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function scrollToTop(options: { smooth?: boolean } = {}) {
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if (!containerRef) return
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const behavior = options.smooth ? "smooth" : "auto"
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setAutoScroll(false)
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requestAnimationFrame(() => {
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if (!containerRef) return
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containerRef.scrollTo({ top: 0, behavior })
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setShowScrollTopButton(false)
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updateScrollIndicators(containerRef)
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})
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}
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function handleScroll(event: Event) {
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if (!containerRef) return
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if (scrollAnimationFrame !== null) {
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cancelAnimationFrame(scrollAnimationFrame)
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}
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const isUserScroll = event.isTrusted
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scrollAnimationFrame = requestAnimationFrame(() => {
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if (!containerRef) return
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const currentScrollTop = containerRef.scrollTop
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const movingUp = currentScrollTop < lastKnownScrollTop - SCROLL_DIRECTION_THRESHOLD
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lastKnownScrollTop = currentScrollTop
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const atBottom = isNearBottom(containerRef)
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if (isUserScroll) {
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if (movingUp && !atBottom && autoScroll()) {
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setAutoScroll(false)
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} else if (!movingUp && atBottom && !autoScroll()) {
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setAutoScroll(true)
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}
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}
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updateScrollIndicators(containerRef)
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scrollAnimationFrame = null
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})
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}
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const messageView = createMemo(() => {
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const showThinking = preferences().showThinkingBlocks
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const items: DisplayItem[] = []
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const newMessageCache = new Map<string, MessageCacheEntry>()
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const newToolCache = new Map<string, ToolCacheEntry>()
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const tokenSegments: string[] = []
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let lastAssistantIndex = -1
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for (let i = props.messages.length - 1; i >= 0; i--) {
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if (props.messages[i].type === "assistant") {
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lastAssistantIndex = i
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break
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}
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}
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tokenSegments.push(`count:${props.messages.length}`)
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tokenSegments.push(`revert:${props.revert?.messageID ?? ""}`)
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tokenSegments.push(`thinking:${showThinking ? 1 : 0}`)
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for (let index = 0; index < props.messages.length; index++) {
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const message = props.messages[index]
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const messageInfo = props.messagesInfo?.get(message.id)
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if (props.revert?.messageID && message.id === props.revert.messageID) {
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break
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}
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tokenSegments.push(`${message.id}:${message.version ?? 0}:${message.status}:${message.parts.length}`)
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const baseDisplayParts = message.displayParts
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const displayParts: MessageDisplayParts =
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!baseDisplayParts || baseDisplayParts.showThinking !== showThinking
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? computeDisplayParts(message, showThinking)
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: (baseDisplayParts as MessageDisplayParts)
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const combinedParts = displayParts.combined
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const version = message.version ?? 0
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const isQueued = message.type === "user" && (lastAssistantIndex === -1 || index > lastAssistantIndex)
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const hasRenderableContent =
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message.type !== "assistant" ||
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combinedParts.length > 0 ||
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Boolean(messageInfo && messageInfo.role === "assistant" && messageInfo.error) ||
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message.status === "error"
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if (hasRenderableContent) {
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const cacheEntry = messageItemCache.get(message.id)
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if (
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cacheEntry &&
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cacheEntry.version === version &&
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cacheEntry.showThinking === showThinking &&
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cacheEntry.isQueued === isQueued &&
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cacheEntry.messageInfo === messageInfo
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) {
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cacheEntry.displayParts = displayParts
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cacheEntry.version = version
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cacheEntry.showThinking = showThinking
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cacheEntry.isQueued = isQueued
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cacheEntry.messageInfo = messageInfo
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cacheEntry.item.message = message
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cacheEntry.item.combinedParts = combinedParts
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cacheEntry.item.isQueued = isQueued
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cacheEntry.item.messageInfo = messageInfo
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newMessageCache.set(message.id, cacheEntry)
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items.push(cacheEntry.item)
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} else {
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const messageItem: MessageDisplayItem = {
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type: "message",
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message,
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combinedParts,
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isQueued,
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messageInfo,
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}
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newMessageCache.set(message.id, {
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message,
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version,
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showThinking,
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isQueued,
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messageInfo,
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displayParts,
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item: messageItem,
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})
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items.push(messageItem)
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}
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}
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const toolParts = displayParts.tool.filter(isToolPart)
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for (let toolIndex = 0; toolIndex < toolParts.length; toolIndex++) {
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const toolPart = toolParts[toolIndex]
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const originalIndex = displayParts.tool.indexOf(toolPart)
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const toolKey = toolPart?.id || `${message.id}-tool-${originalIndex}`
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const messageVersion = typeof message.version === "number" ? message.version : 0
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const partVersion = typeof toolPart?.version === "number" ? toolPart.version : 0
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const toolSignature = createToolSignature(message, toolPart, originalIndex, messageInfo)
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const contentKey = createToolContentKey(toolPart, messageInfo)
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tokenSegments.push(`tool:${toolKey}:${partVersion}`)
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const toolEntry = toolItemCache.get(toolKey)
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if (toolEntry && toolEntry.signature === toolSignature) {
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if (toolEntry.contentKey !== contentKey) {
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const updatedItem: ToolDisplayItem = {
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...toolEntry.item,
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toolPart,
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messageInfo,
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messageId: message.id,
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messageVersion,
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partVersion,
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}
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toolEntry.toolPart = toolPart
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toolEntry.messageInfo = messageInfo
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toolEntry.signature = toolSignature
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toolEntry.contentKey = contentKey
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toolEntry.item = updatedItem
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console.debug("[ToolCall] update", toolKey, toolPart.state?.status)
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newToolCache.set(toolKey, toolEntry)
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items.push(updatedItem)
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} else {
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const cachedItem = toolEntry.item
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cachedItem.toolPart = toolPart
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cachedItem.messageInfo = messageInfo
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cachedItem.messageId = message.id
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cachedItem.messageVersion = messageVersion
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cachedItem.partVersion = partVersion
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toolEntry.toolPart = toolPart
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toolEntry.messageInfo = messageInfo
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newToolCache.set(toolKey, toolEntry)
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items.push(cachedItem)
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}
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} else {
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const toolItem: ToolDisplayItem = {
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type: "tool",
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key: toolKey,
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toolPart,
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messageInfo,
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messageId: message.id,
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messageVersion,
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partVersion,
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}
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console.debug("[ToolCall] create", toolKey, toolPart.state?.status)
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newToolCache.set(toolKey, { toolPart, messageInfo, signature: toolSignature, contentKey, item: toolItem })
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items.push(toolItem)
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}
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}
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}
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messageItemCache = newMessageCache
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toolItemCache = newToolCache
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sessionCache.messageItemCache = messageItemCache
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sessionCache.toolItemCache = toolItemCache
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tokenSegments.push(`items:${items.length}`)
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if (items.length > 0) {
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const tail = items[items.length - 1]
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if (tail.type === "message") {
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tokenSegments.push(`tail:${tail.message.id}:${tail.message.version ?? 0}`)
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} else {
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tokenSegments.push(`tail:${tail.key}`)
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}
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}
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return { items, token: tokenSegments.join("|") }
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})
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const displayItems = () => messageView().items
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const changeToken = () => messageView().token
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function updateScrollIndicators(element: HTMLDivElement) {
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const itemsLength = displayItems().length
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setShowScrollBottomButton(!isNearBottom(element) && itemsLength > 0)
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setShowScrollTopButton(!isNearTop(element) && itemsLength > 0)
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persistScrollState()
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}
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function getActiveScrollKey() {
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return containerRef?.dataset.scrollKey || scrollStateKey()
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}
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function persistScrollState() {
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if (!containerRef) return
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const key = getActiveScrollKey()
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messageScrollState.set(key, {
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scrollTop: containerRef.scrollTop,
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autoScroll: autoScroll(),
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})
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}
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createEffect(() => {
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const key = scrollStateKey()
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if (containerRef) {
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containerRef.dataset.scrollKey = key
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}
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const savedState = messageScrollState.get(key)
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const shouldAutoScroll = savedState?.autoScroll ?? true
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setAutoScroll(shouldAutoScroll)
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requestAnimationFrame(() => {
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if (!containerRef) return
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if (savedState) {
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if (shouldAutoScroll) {
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scrollToBottom({ smooth: false })
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} else {
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const maxScrollTop = Math.max(containerRef.scrollHeight - containerRef.clientHeight, 0)
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containerRef.scrollTop = Math.min(savedState.scrollTop, maxScrollTop)
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updateScrollIndicators(containerRef)
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}
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} else {
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scrollToBottom({ smooth: false })
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}
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})
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onCleanup(() => {
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if (containerRef) {
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messageScrollState.set(key, {
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scrollTop: containerRef.scrollTop,
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autoScroll: autoScroll(),
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})
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if (containerRef.dataset.scrollKey === key) {
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delete containerRef.dataset.scrollKey
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}
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}
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})
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})
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let previousToken: string | undefined
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createEffect(() => {
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const token = changeToken()
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const shouldScroll = autoScroll()
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if (!token || token === previousToken) {
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return
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}
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previousToken = token
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if (!shouldScroll) {
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return
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}
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scrollToBottom()
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})
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createEffect(() => {
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if (displayItems().length === 0) {
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setShowScrollBottomButton(false)
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setShowScrollTopButton(false)
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setAutoScroll(true)
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persistScrollState()
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}
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})
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onCleanup(() => {
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if (scrollAnimationFrame !== null) {
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cancelAnimationFrame(scrollAnimationFrame)
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}
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})
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return (
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<div class="message-stream-container">
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<div class="connection-status">
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<div class="connection-status-text connection-status-info flex items-center gap-2 text-sm font-medium">
|
|
<span>{formattedSessionInfo()}</span>
|
|
</div>
|
|
<div class="connection-status-text connection-status-shortcut flex items-center gap-2 text-sm font-medium">
|
|
<span>Command Palette</span>
|
|
<Kbd shortcut="cmd+shift+p" />
|
|
</div>
|
|
<div class="connection-status-meta flex items-center justify-end gap-3">
|
|
<Show when={connectionStatus() === "connected"}>
|
|
<span class="status-indicator connected">
|
|
<span class="status-dot" />
|
|
Connected
|
|
</span>
|
|
</Show>
|
|
<Show when={connectionStatus() === "connecting"}>
|
|
<span class="status-indicator connecting">
|
|
<span class="status-dot" />
|
|
Connecting...
|
|
</span>
|
|
</Show>
|
|
<Show when={connectionStatus() === "error" || connectionStatus() === "disconnected"}>
|
|
<span class="status-indicator disconnected">
|
|
<span class="status-dot" />
|
|
Disconnected
|
|
</span>
|
|
</Show>
|
|
</div>
|
|
</div>
|
|
<div ref={containerRef} class="message-stream" onScroll={handleScroll}>
|
|
<Show when={!props.loading && displayItems().length === 0}>
|
|
<div class="empty-state">
|
|
<div class="empty-state-content">
|
|
<div class="flex flex-col items-center gap-3 mb-6">
|
|
<img src={codeNomadLogo} alt="CodeNomad logo" class="h-48 w-auto" loading="lazy" />
|
|
<h1 class="text-3xl font-semibold text-primary">CodeNomad</h1>
|
|
</div>
|
|
<h3>Start a conversation</h3>
|
|
<p>Type a message below or open the Command Palette:</p>
|
|
<ul>
|
|
<li>
|
|
<span>Command Palette</span>
|
|
<Kbd shortcut="cmd+shift+p" class="ml-2" />
|
|
</li>
|
|
<li>Ask about your codebase</li>
|
|
<li>
|
|
Attach files with <code>@</code>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
</Show>
|
|
|
|
<Show when={props.loading}>
|
|
<div class="loading-state">
|
|
<div class="spinner" />
|
|
<p>Loading messages...</p>
|
|
</div>
|
|
</Show>
|
|
|
|
<For each={displayItems()} fallback={null}>
|
|
{(item) => {
|
|
if (item.type === "message") {
|
|
return (
|
|
<MessageItem
|
|
message={item.message}
|
|
messageInfo={item.messageInfo}
|
|
instanceId={props.instanceId}
|
|
sessionId={props.sessionId}
|
|
isQueued={item.isQueued}
|
|
parts={item.combinedParts}
|
|
onRevert={props.onRevert}
|
|
onFork={props.onFork}
|
|
/>
|
|
|
|
)
|
|
}
|
|
|
|
const toolPart = item.toolPart
|
|
|
|
const toolState = toolPart.state
|
|
const hasToolState = isToolStateRunning(toolState) || isToolStateCompleted(toolState) || isToolStateError(toolState)
|
|
const taskSessionId =
|
|
hasToolState && typeof toolState?.metadata?.sessionId === "string"
|
|
? toolState.metadata.sessionId
|
|
: ""
|
|
const taskLocation = taskSessionId ? findTaskSessionLocation(taskSessionId) : null
|
|
|
|
const handleGoToTaskSession = (event: Event) => {
|
|
event.preventDefault()
|
|
event.stopPropagation()
|
|
if (!taskLocation) return
|
|
navigateToTaskSession(taskLocation)
|
|
}
|
|
|
|
return (
|
|
<div class="tool-call-message" data-key={item.key}>
|
|
<div class="tool-call-header-label">
|
|
<div class="tool-call-header-meta">
|
|
<span class="tool-call-icon">🔧</span>
|
|
<span>Tool Call</span>
|
|
<span class="tool-name">{toolPart?.tool || "unknown"}</span>
|
|
</div>
|
|
<Show when={taskSessionId}>
|
|
<button
|
|
class="tool-call-header-button"
|
|
type="button"
|
|
disabled={!taskLocation}
|
|
onClick={handleGoToTaskSession}
|
|
title={!taskLocation ? "Session not available yet" : "Go to session"}
|
|
>
|
|
Go to Session
|
|
</button>
|
|
</Show>
|
|
</div>
|
|
<ToolCall
|
|
toolCall={toolPart}
|
|
toolCallId={item.key}
|
|
messageId={item.messageId}
|
|
messageVersion={item.messageVersion}
|
|
partVersion={item.partVersion}
|
|
instanceId={props.instanceId}
|
|
sessionId={props.sessionId}
|
|
/>
|
|
</div>
|
|
)
|
|
}}
|
|
</For>
|
|
</div>
|
|
|
|
<Show when={showScrollTopButton() || showScrollBottomButton()}>
|
|
<div class="message-scroll-button-wrapper">
|
|
<Show when={showScrollTopButton()}>
|
|
<button
|
|
type="button"
|
|
class="message-scroll-button"
|
|
onClick={() => scrollToTop({ smooth: true })}
|
|
aria-label="Scroll to first message"
|
|
>
|
|
<span class="message-scroll-icon" aria-hidden="true">↑</span>
|
|
</button>
|
|
</Show>
|
|
<Show when={showScrollBottomButton()}>
|
|
<button
|
|
type="button"
|
|
class="message-scroll-button"
|
|
onClick={() => scrollToBottom({ smooth: true })}
|
|
aria-label="Scroll to latest message"
|
|
>
|
|
<span class="message-scroll-icon" aria-hidden="true">↓</span>
|
|
</button>
|
|
</Show>
|
|
</div>
|
|
</Show>
|
|
</div>
|
|
)
|
|
}
|