feat: 状态扫描器及测试

src/core/scanner.ts

@@ -0,0 +1,55 @@
+import { readdir, stat, readFile } from "node:fs/promises";
+import { join } from "node:path";
+import type { ChangeStatus } from "../types.ts";
+import { getChangesDir, getArchiveDir } from "./config.ts";
+import { parseTasks } from "./task-parser.ts";
+
+export async function scanChanges(
+  projectRoot: string,
+): Promise<ChangeStatus[]> {
+  const changesDir = getChangesDir(projectRoot);
+  const results: ChangeStatus[] = [];
+
+  try {
+    const entries = await readdir(changesDir);
+    for (const entry of entries) {
+      const entryPath = join(changesDir, entry);
+      const entryStat = await stat(entryPath);
+      if (!entryStat.isDirectory()) continue;
+
+      const docs = await readdir(entryPath);
+      const documents = docs.filter((d) => d.endsWith(".md"));
+
+      let taskProgress: { completed: number; total: number } | null = null;
+      const taskFile = docs.find((d) => d === "task.md");
+      if (taskFile) {
+        const content = await readFile(join(entryPath, taskFile), "utf-8");
+        const tasks = parseTasks(content);
+        taskProgress = {
+          completed: tasks.filter((t) => t.checked).length,
+          total: tasks.length,
+        };
+      }
+
+      results.push({ name: entry, documents, taskProgress });
+    }
+  } catch {
+  }
+
+  return results;
+}
+
+export async function scanArchives(projectRoot: string): Promise<string[]> {
+  const archiveDir = getArchiveDir(projectRoot);
+  try {
+    const entries = await readdir(archiveDir);
+    const dirs: string[] = [];
+    for (const entry of entries) {
+      const entryStat = await stat(join(archiveDir, entry));
+      if (entryStat.isDirectory()) dirs.push(entry);
+    }
+    return dirs;
+  } catch {
+    return [];
+  }
+}