opencode/packages/tui/src/routes/session/rows.ts

306 lines
11 KiB
TypeScript

import type { SessionMessageAssistant, SessionMessageInfo } from "@opencode-ai/sdk/v2"
import { createEffect, on, onCleanup, type Accessor } from "solid-js"
import { createStore, produce, reconcile } from "solid-js/store"
import { useData } from "../../context/data"
export type PartRef = {
messageID: string
partID: string
}
export type SessionRow =
| { type: "message"; messageID: string }
| { type: "part"; ref: PartRef }
| {
type: "group"
kind: "exploration"
refs: PartRef[]
pending: PartRef[]
completed: boolean
}
| { type: "assistant-footer"; messageID: string }
export function createSessionRows(sessionID: Accessor<string>) {
const data = useData()
const [rows, setRows] = createStore<SessionRow[]>([])
const revertBoundary = () => data.session.get(sessionID())?.revert?.messageID
function reduce() {
const messages = data.session.message.list(sessionID())
const inputs = new Set(data.session.input.list(sessionID()))
const boundary = revertBoundary()
const rows = reduceSessionRows(boundary ? messages.filter((message) => message.id < boundary) : messages, inputs)
partitionPending(rows, pendingPermissions())
return rows
}
function pendingPermissions() {
return new Set(
(data.session.permission.list(sessionID()) ?? []).flatMap((request) =>
request.source?.type === "tool" ? [request.source.callID] : [],
),
)
}
createEffect(() => {
const pending = pendingPermissions()
setRows(
produce((draft) => {
partitionPending(draft, pending)
}),
)
})
createEffect(
on(sessionID, (id) => {
setRows(reconcile(reduce()))
void data.session.message.refresh(id).then(
() => {
if (sessionID() !== id) return
setRows(reconcile(reduce()))
},
() => undefined,
)
}),
)
// Re-reduce when the revert boundary changes (stage/clear/commit).
createEffect(
on(revertBoundary, () => {
setRows(reconcile(reduce()))
}),
)
createEffect(
on(
() =>
data.session.message.list(sessionID()).flatMap((message) =>
message.type === "user"
? [
{
id: message.id,
created: message.time.created,
input: data.session.input.has(sessionID(), message.id),
},
]
: message.type === "compaction"
? [
{
id: message.id,
created: message.time.created,
input: message.status === "running",
},
]
: [],
),
() => setRows(reconcile(reduce())),
),
)
const appendMessage = (messageID: string) =>
setRows(
produce((draft) => {
if (draft.some((row) => row.type === "message" && row.messageID === messageID)) return
const pending = isPending(messageID)
const message = data.session.message.get(sessionID(), messageID)
const index =
message?.type === "compaction" && pending ? queuedStart(draft) : pending ? draft.length : queuedStart(draft)
if (!pending) completePrevious(draft, index)
draft.splice(index, 0, { type: "message", messageID })
}),
)
const appendPart = (ref: PartRef, name?: string) =>
setRows(
produce((draft) => {
if (hasPart(draft, ref)) return
const index = queuedStart(draft)
if (name && exploration(name)) {
const previous = draft[index - 1]
if (previous?.type === "group" && previous.kind === "exploration") {
previous.refs.push(ref)
return
}
completePrevious(draft, index)
draft.splice(index, 0, {
type: "group",
kind: "exploration",
refs: [ref],
pending: [],
completed: false,
})
return
}
completePrevious(draft, index)
draft.splice(index, 0, { type: "part", ref })
}),
)
const appendFooter = (messageID: string) =>
setRows(
produce((draft) => {
if (draft.some((row) => row.type === "assistant-footer" && row.messageID === messageID)) return
const index = queuedStart(draft)
completePrevious(draft, index)
draft.splice(index, 0, { type: "assistant-footer", messageID })
}),
)
const removeFooter = (messageID: string) =>
setRows(
produce((draft) => {
const index = draft.findIndex((row) => row.type === "assistant-footer" && row.messageID === messageID)
if (index !== -1) draft.splice(index, 1)
}),
)
const isPending = (messageID: string) => {
const message = data.session.message.get(sessionID(), messageID)
if (message?.type === "user") return data.session.input.has(sessionID(), messageID)
return message?.type === "compaction" && message.status === "running"
}
const queuedStart = (rows: SessionRow[]) => {
const index = rows.findIndex((row) => row.type === "message" && isPending(row.messageID))
return index === -1 ? rows.length : index
}
const message = (event: { id: string; data: { sessionID: string } }) => {
if (event.data.sessionID === sessionID()) appendMessage(event.id.replace(/^evt_/, "msg_"))
}
const input = (event: { data: { sessionID: string; inputID: string } }) => {
if (event.data.sessionID === sessionID()) appendMessage(event.data.inputID)
}
const subscriptions = [
data.on("session.prompt.admitted", input),
data.on("session.compaction.started", message),
data.on("session.instructions.updated", message),
data.on("session.synthetic", (event) => {
if (event.data.sessionID === sessionID() && event.data.description?.trim())
appendMessage(event.id.replace(/^evt_/, "msg_"))
}),
data.on("session.shell.started", message),
data.on("session.agent.selected", message),
data.on("session.model.selected", message),
data.on("session.compaction.ended", (event) => {
if (event.data.reason !== "manual") message(event)
}),
data.on("session.text.delta", (event) => {
if (event.data.sessionID === sessionID())
appendPart({ messageID: event.data.assistantMessageID, partID: `text:${event.data.ordinal}` })
}),
data.on("session.text.ended", (event) => {
if (event.data.sessionID === sessionID() && event.data.text.trim())
appendPart({ messageID: event.data.assistantMessageID, partID: `text:${event.data.ordinal}` })
}),
data.on("session.reasoning.delta", (event) => {
if (event.data.sessionID === sessionID())
appendPart({ messageID: event.data.assistantMessageID, partID: `reasoning:${event.data.ordinal}` })
}),
data.on("session.reasoning.ended", (event) => {
if (event.data.sessionID === sessionID() && event.data.text.trim())
appendPart({ messageID: event.data.assistantMessageID, partID: `reasoning:${event.data.ordinal}` })
}),
data.on("session.tool.input.started", (event) => {
if (event.data.sessionID === sessionID())
appendPart({ messageID: event.data.assistantMessageID, partID: event.data.callID }, event.data.name)
}),
data.on("session.retry.scheduled", (event) => {
if (event.data.sessionID === sessionID()) appendFooter(event.data.assistantMessageID)
}),
data.on("session.step.started", (event) => {
if (event.data.sessionID === sessionID()) removeFooter(event.data.assistantMessageID)
}),
data.on("session.step.ended", (event) => {
if (event.data.sessionID !== sessionID() || ["tool-calls", "unknown"].includes(event.data.finish)) return
appendFooter(event.data.assistantMessageID)
}),
data.on("session.step.failed", (event) => {
if (event.data.sessionID === sessionID()) appendFooter(event.data.assistantMessageID)
}),
]
onCleanup(() => subscriptions.forEach((unsubscribe) => unsubscribe()))
return rows
}
export function reduceSessionRows(messages: SessionMessageInfo[], inputs = new Set<string>()) {
const isInput = (message: SessionMessageInfo) => inputs.has(message.id)
const pendingCompactions = messages.filter((message) => message.type === "compaction" && message.status === "running")
const pending = new Set([...pendingCompactions.map((message) => message.id), ...inputs])
return [
...messages.filter((message) => !pending.has(message.id)),
...pendingCompactions,
...messages.filter(isInput),
].reduce<SessionRow[]>((rows, message) => {
if (message.type !== "assistant") {
if (message.type === "synthetic" && !message.description?.trim()) return rows
if (!pending.has(message.id)) completePrevious(rows)
rows.push({ type: "message", messageID: message.id })
return rows
}
const ordinals = { text: 0, reasoning: 0 }
message.content.forEach((part) => {
const partID = part.type === "tool" ? part.id : `${part.type}:${ordinals[part.type]++}`
if ((part.type === "text" || part.type === "reasoning") && !part.text.trim()) return
append(rows, { messageID: message.id, partID }, part)
})
if ((message.finish && !["tool-calls", "unknown"].includes(message.finish)) || message.error || message.retry) {
completePrevious(rows)
rows.push({ type: "assistant-footer", messageID: message.id })
}
return rows
}, [])
}
export function resolvePart(message: SessionMessageAssistant, partID: string) {
const tool = message.content.find((part) => part.type === "tool" && part.id === partID)
if (tool) return tool
const match = /^(text|reasoning):(\d+)$/.exec(partID)
if (!match) return
const ordinal = Number(match[2])
return message.content.filter((part) => part.type === match[1])[ordinal]
}
function append(rows: SessionRow[], ref: PartRef, part: SessionMessageAssistant["content"][number]) {
if (part.type === "tool") {
if (exploration(part.name)) {
const previous = rows.at(-1)
if (previous?.type === "group" && previous.kind === "exploration") {
previous.refs.push(ref)
return
}
completePrevious(rows)
rows.push({ type: "group", kind: "exploration", refs: [ref], pending: [], completed: false })
return
}
}
completePrevious(rows)
rows.push({ type: "part", ref })
}
function completePrevious(rows: SessionRow[], index = rows.length) {
const previous = rows[index - 1]
if (previous?.type === "group") previous.completed = true
}
function partitionPending(rows: SessionRow[], pending: Set<string>) {
rows.forEach((row) => {
if (row.type !== "group") return
const refs = [...row.refs, ...row.pending]
row.refs = refs.filter((ref) => !pending.has(ref.partID))
row.pending = refs.filter((ref) => pending.has(ref.partID))
})
}
function exploration(name: string) {
return ["read", "glob", "grep"].includes(name.toLowerCase())
}
function hasPart(rows: SessionRow[], ref: PartRef) {
return rows.some((row) => {
if (row.type === "part") return row.ref.messageID === ref.messageID && row.ref.partID === ref.partID
if (row.type !== "group") return false
return [...row.refs, ...row.pending].some((item) => item.messageID === ref.messageID && item.partID === ref.partID)
})
}