chore: import upstream snapshot with attribution

2026-07-13 13:39:12 +08:00
commit d8dcd5f6d1
8604 changed files with 2479390 additions and 0 deletions
@@ -0,0 +1,54 @@
+import { existsSync, mkdirSync, readFileSync, writeFileSync, readdirSync, rmSync } from "node:fs";
+import { join } from "node:path";
+import { resolveDataDir } from "../data-dir.mjs";
+
+function sessionsDir() {
+  const dir = join(resolveDataDir(), "repl-sessions");
+  if (!existsSync(dir)) mkdirSync(dir, { recursive: true });
+  return dir;
+}
+
+export function saveSession(name, session) {
+  const path = join(sessionsDir(), `${name}.json`);
+  writeFileSync(
+    path,
+    JSON.stringify({ ...session, name, updatedAt: new Date().toISOString() }, null, 2)
+  );
+}
+
+export function loadSession(name) {
+  const path = join(sessionsDir(), `${name}.json`);
+  if (!existsSync(path)) throw new Error(`session '${name}' not found`);
+  return JSON.parse(readFileSync(path, "utf8"));
+}
+
+export function listSessions() {
+  const dir = sessionsDir();
+  return readdirSync(dir)
+    .filter((f) => f.endsWith(".json"))
+    .map((f) => {
+      try {
+        const data = JSON.parse(readFileSync(join(dir, f), "utf8"));
+        return {
+          name: data.name || f.replace(".json", ""),
+          updatedAt: data.updatedAt,
+          model: data.model,
+        };
+      } catch {
+        return { name: f.replace(".json", ""), updatedAt: null, model: null };
+      }
+    });
+}
+
+export function autosave(session) {
+  try {
+    saveSession("autosave", session);
+  } catch {
+    // autosave failure is not fatal
+  }
+}
+
+export function deleteSession(name) {
+  const path = join(sessionsDir(), `${name}.json`);
+  if (existsSync(path)) rmSync(path);
+}