Files
paperclip/packages/adapters/opencode-local/src/ui/parse-stdout.ts
2026-03-04 16:48:54 -06:00

136 lines
3.6 KiB
TypeScript

import type { TranscriptEntry } from "@paperclipai/adapter-utils";
function safeJsonParse(text: string): unknown {
try {
return JSON.parse(text);
} catch {
return null;
}
}
function asRecord(value: unknown): Record<string, unknown> | null {
if (typeof value !== "object" || value === null || Array.isArray(value)) return null;
return value as Record<string, unknown>;
}
function asString(value: unknown, fallback = ""): string {
return typeof value === "string" ? value : fallback;
}
function asNumber(value: unknown, fallback = 0): number {
return typeof value === "number" && Number.isFinite(value) ? value : fallback;
}
function stringifyUnknown(value: unknown): string {
if (typeof value === "string") return value;
if (value === null || value === undefined) return "";
try {
return JSON.stringify(value, null, 2);
} catch {
return String(value);
}
}
export function parseOpenCodeStdoutLine(line: string, ts: string): TranscriptEntry[] {
const parsed = asRecord(safeJsonParse(line));
if (!parsed) {
return [{ kind: "stdout", ts, text: line }];
}
const type = asString(parsed.type);
if (type === "step_start") {
const sessionId = asString(parsed.sessionID);
return [
{
kind: "system",
ts,
text: `step started${sessionId ? ` (${sessionId})` : ""}`,
},
];
}
if (type === "text") {
const part = asRecord(parsed.part);
const text = asString(part?.text).trim();
if (!text) return [];
return [{ kind: "assistant", ts, text }];
}
if (type === "tool_use") {
const part = asRecord(parsed.part);
const toolUseId = asString(part?.callID, asString(part?.id, "tool_use"));
const toolName = asString(part?.tool, "tool");
const state = asRecord(part?.state);
const input = state?.input ?? {};
const output = asString(state?.output).trim();
const status = asString(state?.status).trim();
const exitCode = asNumber(asRecord(state?.metadata)?.exit, NaN);
const isError =
status === "failed" ||
status === "error" ||
status === "cancelled" ||
(Number.isFinite(exitCode) && exitCode !== 0);
const entries: TranscriptEntry[] = [
{
kind: "tool_call",
ts,
name: toolName,
input,
},
];
if (status || output) {
const lines: string[] = [];
if (status) lines.push(`status: ${status}`);
if (Number.isFinite(exitCode)) lines.push(`exit: ${exitCode}`);
if (output) {
if (lines.length > 0) lines.push("");
lines.push(output);
}
entries.push({
kind: "tool_result",
ts,
toolUseId,
content: lines.join("\n").trim() || "tool completed",
isError,
});
}
return entries;
}
if (type === "step_finish") {
const part = asRecord(parsed.part);
const tokens = asRecord(part?.tokens);
const cache = asRecord(tokens?.cache);
const reason = asString(part?.reason);
return [
{
kind: "result",
ts,
text: reason,
inputTokens: asNumber(tokens?.input),
outputTokens: asNumber(tokens?.output),
cachedTokens: asNumber(cache?.read),
costUsd: asNumber(part?.cost),
subtype: reason || "step_finish",
isError: reason === "error" || reason === "failed",
errors: [],
},
];
}
if (type === "error") {
const message =
asString(parsed.message) ||
asString(asRecord(parsed.part)?.message) ||
stringifyUnknown(parsed.error ?? asRecord(parsed.part)?.error) ||
line;
return [{ kind: "stderr", ts, text: message }];
}
return [{ kind: "stdout", ts, text: line }];
}