b523b4fd21
- 薄自建 LLM 网关：OpenAI 兼容适配器(DeepSeek) + instructor 结构化输出 + usage_ledger 记账 + 档位路由 - 记忆服务 assemble：确定性选择(显式+主角+近况) + 渲染卡 + 缓存断点(中性文本) - LangGraph 写章节点 + Postgres checkpointer + SSE 归一(token/done/error) - API：立项 + 写章 draft(SSE) + PUT 自动保存 + 提供商凭据(Fernet 加密/测试连接) - 前端：AppShell + 作品库 + 5 步立项向导 + 写作工作台(流式打字机+自动保存) + 设置页 - M1 E2E：真实 DB + mock 网关零 token 走通闭环
53 lines
1.4 KiB
TypeScript
53 lines
1.4 KiB
TypeScript
// 自动保存的纯逻辑：防抖调度器 + 时间格式化。与 React 解耦，便于单测。
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export const AUTOSAVE_DELAY_MS = 1200;
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export type SaveFn = (text: string) => Promise<void>;
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export interface DebouncedSaver {
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schedule: (text: string) => void;
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flush: () => void;
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cancel: () => void;
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}
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// 防抖：最后一次输入静默 delayMs 后才真正保存。flush 立即触发待保存项。
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export function createDebouncedSaver(
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save: SaveFn,
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delayMs: number = AUTOSAVE_DELAY_MS,
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): DebouncedSaver {
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let timer: ReturnType<typeof setTimeout> | null = null;
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let pending: string | null = null;
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const run = (): void => {
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if (pending === null) return;
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const text = pending;
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pending = null;
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timer = null;
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void save(text);
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};
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return {
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schedule(text: string): void {
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pending = text;
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if (timer !== null) clearTimeout(timer);
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timer = setTimeout(run, delayMs);
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},
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flush(): void {
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if (timer !== null) clearTimeout(timer);
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run();
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},
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cancel(): void {
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if (timer !== null) clearTimeout(timer);
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timer = null;
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pending = null;
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},
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};
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}
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// 「保存于 hh:mm」标签。
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export function formatSavedAt(date: Date): string {
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const hh = String(date.getHours()).padStart(2, "0");
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const mm = String(date.getMinutes()).padStart(2, "0");
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return `保存于 ${hh}:${mm}`;
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}
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