Files
clawdbot/src/auto-reply/reply/typing.ts
2026-01-06 18:56:43 +00:00

143 lines
3.6 KiB
TypeScript

export type TypingController = {
onReplyStart: () => Promise<void>;
startTypingLoop: () => Promise<void>;
startTypingOnText: (text?: string) => Promise<void>;
refreshTypingTtl: () => void;
markRunComplete: () => void;
markDispatchIdle: () => void;
cleanup: () => void;
};
export function createTypingController(params: {
onReplyStart?: () => Promise<void> | void;
typingIntervalSeconds?: number;
typingTtlMs?: number;
silentToken?: string;
log?: (message: string) => void;
}): TypingController {
const {
onReplyStart,
typingIntervalSeconds = 6,
typingTtlMs = 2 * 60_000,
silentToken,
log,
} = params;
let started = false;
let active = false;
let runComplete = false;
let dispatchIdle = false;
// Important: callbacks (tool/block streaming) can fire late (after the run completed),
// especially when upstream event emitters don't await async listeners.
// Once we stop typing, we "seal" the controller so late events can't restart typing forever.
let sealed = false;
let typingTimer: NodeJS.Timeout | undefined;
let typingTtlTimer: NodeJS.Timeout | undefined;
const typingIntervalMs = typingIntervalSeconds * 1000;
const formatTypingTtl = (ms: number) => {
if (ms % 60_000 === 0) return `${ms / 60_000}m`;
return `${Math.round(ms / 1000)}s`;
};
const resetCycle = () => {
started = false;
active = false;
runComplete = false;
dispatchIdle = false;
};
const cleanup = () => {
if (sealed) return;
if (typingTtlTimer) {
clearTimeout(typingTtlTimer);
typingTtlTimer = undefined;
}
if (typingTimer) {
clearInterval(typingTimer);
typingTimer = undefined;
}
resetCycle();
sealed = true;
};
const refreshTypingTtl = () => {
if (sealed) return;
if (!typingIntervalMs || typingIntervalMs <= 0) return;
if (typingTtlMs <= 0) return;
if (typingTtlTimer) {
clearTimeout(typingTtlTimer);
}
typingTtlTimer = setTimeout(() => {
if (!typingTimer) return;
log?.(
`typing TTL reached (${formatTypingTtl(typingTtlMs)}); stopping typing indicator`,
);
cleanup();
}, typingTtlMs);
};
const triggerTyping = async () => {
if (sealed) return;
await onReplyStart?.();
};
const ensureStart = async () => {
if (sealed) return;
// Late callbacks after a run completed should never restart typing.
if (runComplete) return;
if (!active) {
active = true;
}
if (started) return;
started = true;
await triggerTyping();
};
const maybeStopOnIdle = () => {
if (!active) return;
// Stop only when the model run is done and the dispatcher queue is empty.
if (runComplete && dispatchIdle) cleanup();
};
const startTypingLoop = async () => {
if (sealed) return;
if (!onReplyStart) return;
if (typingIntervalMs <= 0) return;
if (typingTimer) return;
await ensureStart();
refreshTypingTtl();
typingTimer = setInterval(() => {
void triggerTyping();
}, typingIntervalMs);
};
const startTypingOnText = async (text?: string) => {
if (sealed) return;
const trimmed = text?.trim();
if (!trimmed) return;
if (silentToken && trimmed === silentToken) return;
refreshTypingTtl();
await startTypingLoop();
};
const markRunComplete = () => {
runComplete = true;
maybeStopOnIdle();
};
const markDispatchIdle = () => {
dispatchIdle = true;
maybeStopOnIdle();
};
return {
onReplyStart: ensureStart,
startTypingLoop,
startTypingOnText,
refreshTypingTtl,
markRunComplete,
markDispatchIdle,
cleanup,
};
}