53 lines
2.2 KiB
TypeScript
53 lines
2.2 KiB
TypeScript
import { isGenericSessionTitle } from "@/lib/agent-reply";
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function hanLength(value: string): number {
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return Array.from(value.replace(/\s+/g, "")).length;
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}
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function clipHan(value: string, maxChars: number): string {
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const characters = Array.from(value);
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return characters.length > maxChars ? characters.slice(0, maxChars).join("") : value;
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}
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const BIRTH_STAMP = /\d{4}年\d{1,2}月(?:\d{1,2}日)?|\d{1,2}:\d{2}/;
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// Same automatic shapes as public.rectification_session_title_is_automatic.
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// The range dash is U+2013. A hyphen range is not automatic. The parity test
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// reads the SQL predicate from the migration and compares answers (BUG-1001).
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const DATED_ENTRY_TITLE = /^(?:(?:生时校正|今日节奏)\s*·\s*[0-9]{1,2}月[0-9]{1,2}日|[0-9]{1,2}月[0-9]{1,2}日\s*·\s*(?:今日节奏|生时校正))(?:\s+[0-9]{2}:[0-9]{2})?$|^生时校正$|^生时校正\s*·\s*[0-9]{2}:[0-9]{2}$|^生时校正\s*·\s*[0-9]{2}:[0-9]{2}\u2013[0-9]{2}:[0-9]{2}$/;
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export function sanitizeSessionTitle(raw: string): string | null {
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if (/[\r\n]/.test(raw)) return null;
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const stripped = raw
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.replace(/[“”"‘’'「」『』《》]/g, "")
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.replace(/[。．.!?！？、，,;；：:]+$/u, "")
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.replace(/\s+/g, " ")
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.trim();
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if (!stripped) return null;
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if (hanLength(stripped) < 2) return null;
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if (isGenericSessionTitle(stripped)) return null;
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if (BIRTH_STAMP.test(stripped)) return null;
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const clipped = clipHan(stripped, 14);
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if (hanLength(clipped) < 6) return null;
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return clipped;
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}
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export function isAutoDerivedSessionTitle(title: string): boolean {
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const text = title.replace(/\s+/g, " ").trim();
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if (!text) return true;
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if (isGenericSessionTitle(text)) return true;
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if (DATED_ENTRY_TITLE.test(text)) return true;
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if (/…$|\.{3}$/.test(text)) return true;
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return false;
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}
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export function shouldGenerateSessionTitle(
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session: { title?: string | null; sessionType?: string | null },
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storedHistory: readonly unknown[],
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): boolean {
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if (storedHistory.length > 0) return false;
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if (session.sessionType === "birth_time_rectification") return false;
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const title = typeof session.title === "string" ? session.title : "";
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if (DATED_ENTRY_TITLE.test(title.replace(/\s+/g, " ").trim())) return false;
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return isAutoDerivedSessionTitle(title);
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}
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