95 lines
2.5 KiB
TypeScript
95 lines
2.5 KiB
TypeScript
export type QueueSummaryState = {
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dropPolicy: "summarize" | "old" | "new";
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droppedCount: number;
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summaryLines: string[];
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};
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export function elideQueueText(text: string, limit = 140): string {
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if (text.length <= limit) return text;
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return `${text.slice(0, Math.max(0, limit - 1)).trimEnd()}…`;
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}
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export function buildQueueSummaryLine(text: string, limit = 160): string {
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const cleaned = text.replace(/\s+/g, " ").trim();
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return elideQueueText(cleaned, limit);
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}
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export function waitForQueueDebounce(queue: {
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debounceMs: number;
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lastEnqueuedAt: number;
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}): Promise<void> {
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const debounceMs = Math.max(0, queue.debounceMs);
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if (debounceMs <= 0) return Promise.resolve();
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return new Promise<void>((resolve) => {
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const check = () => {
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const since = Date.now() - queue.lastEnqueuedAt;
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if (since >= debounceMs) {
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resolve();
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return;
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}
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setTimeout(check, debounceMs - since);
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};
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check();
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});
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}
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export function buildQueueSummaryPrompt(params: {
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state: QueueSummaryState;
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noun: string;
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title?: string;
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}): string | undefined {
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if (params.state.dropPolicy !== "summarize" || params.state.droppedCount <= 0) {
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return undefined;
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}
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const noun = params.noun;
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const title =
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params.title ??
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`[Queue overflow] Dropped ${params.state.droppedCount} ${noun}${params.state.droppedCount === 1 ? "" : "s"} due to cap.`;
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const lines = [title];
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if (params.state.summaryLines.length > 0) {
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lines.push("Summary:");
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for (const line of params.state.summaryLines) {
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lines.push(`- ${line}`);
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}
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}
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params.state.droppedCount = 0;
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params.state.summaryLines = [];
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return lines.join("\n");
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}
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export function buildCollectPrompt<T>(params: {
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title: string;
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items: T[];
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summary?: string;
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renderItem: (item: T, index: number) => string;
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}): string {
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const blocks: string[] = [params.title];
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if (params.summary) blocks.push(params.summary);
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params.items.forEach((item, idx) => {
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blocks.push(params.renderItem(item, idx));
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});
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return blocks.join("\n\n");
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}
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export function hasCrossChannelItems<T>(
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items: T[],
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resolveKey: (item: T) => { key?: string; cross?: boolean },
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): boolean {
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const keys = new Set<string>();
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let hasUnkeyed = false;
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for (const item of items) {
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const resolved = resolveKey(item);
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if (resolved.cross) return true;
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if (!resolved.key) {
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hasUnkeyed = true;
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continue;
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}
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keys.add(resolved.key);
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}
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if (keys.size === 0) return false;
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if (hasUnkeyed) return true;
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return keys.size > 1;
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}
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