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src/lib/recents.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it } from "vitest";
+import { addRecent, MAX_RECENTS } from "./recents";
+
+describe("addRecent", () => {
+  it("puts the path first", () => {
+    expect(addRecent(["/a", "/b"], "/c")).toEqual(["/c", "/a", "/b"]);
+  });
+  it("moves a path that is already there to the front instead of repeating it", () => {
+    expect(addRecent(["/a", "/b", "/c"], "/b")).toEqual(["/b", "/a", "/c"]);
+  });
+  it("keeps the list short", () => {
+    const many = Array.from({ length: MAX_RECENTS }, (_, i) => `/r${i}`);
+    const out = addRecent(many, "/new");
+    expect(out).toHaveLength(MAX_RECENTS);
+    expect(out[0]).toBe("/new");
+    expect(out).not.toContain(`/r${MAX_RECENTS - 1}`);
+  });
+});

src/lib/recents.ts

@@ -0,0 +1,6 @@
+export const MAX_RECENTS = 12;
+
+/** Puts `path` first, drops an older copy of it, and keeps at most MAX_RECENTS paths. */
+export function addRecent(list: string[], path: string): string[] {
+  return [path, ...list.filter((p) => p !== path)].slice(0, MAX_RECENTS);
+}

src/lib/types.ts

@@ -58,3 +58,26 @@ export interface LaidOutRow {
   color: number;
   segments: Segment[];
 }
+
+export interface ChangedFile {
+  /** One letter: A added, M modified, D deleted, R renamed, C copied, T type changed. */
+  status: string;
+  path: string;
+  old_path: string | null;
+  /** Line counts; null for binary files. */
+  added: number | null;
+  deleted: number | null;
+}
+
+export interface CommitDetails {
+  hash: string;
+  author: string;
+  author_email: string;
+  author_time: number;
+  committer: string;
+  committer_email: string;
+  commit_time: number;
+  parents: string[];
+  message: string;
+  files: ChangedFile[];
+}