feat: show current version (#5)

vite.config.ts

@@ -1,9 +1,25 @@
-import path from 'path';
+import cp from 'node:child_process';
+import url from 'node:url';
+import path from 'node:path';
+import fs from 'node:fs';
+
 import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
 import wasm from 'vite-plugin-wasm';
+import replace from '@rollup/plugin-replace';
 import topLevelAwait from 'vite-plugin-top-level-await';
 
+const gitRoot = url.fileURLToPath(new URL('.', import.meta.url));
+const pkg = JSON.parse(fs.readFileSync(gitRoot + '/package.json', 'utf-8'));
+
+function command(cmd, dir = '') {
+  return cp.execSync(cmd, { cwd: path.join(gitRoot, dir), encoding: 'utf-8' }).trim();
+}
+
+const COMMAND_GIT_VERSION = 'git describe --long --dirty --tags --always';
+const shortCommit = command(COMMAND_GIT_VERSION);
+const version = `${pkg.version}-${shortCommit}`;
+
 // https://vitejs.dev/config/
 export default defineConfig({
   server: {
@@ -25,7 +41,18 @@ export default defineConfig({
   optimizeDeps: {
     exclude: ['@jixun/libparakeet'],
   },
-  plugins: [react(), wasm(), topLevelAwait()],
+  plugins: [
+    replace({
+      preventAssignment: true,
+      values: {
+        __APP_VERSION_SHORT__: pkg.version,
+        __APP_VERSION__: version,
+      },
+    }),
+    react(),
+    wasm(),
+    topLevelAwait(),
+  ],
   resolve: {
     alias: {
       '~': path.resolve(__dirname, 'src'),