feat: add changelog page

src/lib/versioning/utils.ts

@@ -0,0 +1,29 @@
+import * as path from "path";
+import { promises as fs } from "fs";
+
+const rootDir = process.cwd();
+
+interface PackageJSON {
+    version: string;
+}
+
+export async function getChangelog(): Promise<string> {
+    const fullPath = path.join(rootDir, "CHANGELOG.md");
+    const content = await fs.readFile(fullPath);
+    return content.toString();
+}
+
+export async function getCurrentVersion(): Promise<string> {
+    const content = await fs.readFile(path.join(rootDir, "package.json"), "utf-8");
+    const json: PackageJSON = JSON.parse(content);
+    return json.version;
+}
+
+export async function getSha(): Promise<string> {
+    const rev = (await fs.readFile('.git/HEAD')).toString().trim();
+    if (rev.indexOf(':') === -1) {
+        return rev;
+    } else {
+        return (await fs.readFile('.git/' + rev.substring(5))).toString().trim();
+    }
+}