Add view-changes script

Author: mjackson

package.json

@@ -15,7 +15,8 @@
     "publish-release": "node --env-file .env ./scripts/publish-release.js",
     "publish-release-ci": "node ./scripts/publish-release.js",
     "tag-release": "node ./scripts/tag-release.js",
-    "test": "pnpm -r --workspace-concurrency 1 test"
+    "test": "pnpm -r --workspace-concurrency 1 test",
+    "view-changes": "node ./scripts/view-changes.js"
   },
   "workspaces": [
     "packages/*"

scripts/view-changes.js

@@ -0,0 +1,63 @@
+import * as fs from 'node:fs';
+
+import { getChanges } from './utils/changes.js';
+import { getPackageDir, packagesDir } from './utils/packages.js';
+
+let packageName = process.argv[2];
+
+/** @type {(packageName: string) => import('./utils/changes.js').Changes | null} */
+function getPackageChanges(packageName) {
+  let changes = getChanges(packageName, 'HEAD');
+
+  if (!changes || !changes.body.trim()) {
+    return null;
+  }
+
+  return changes;
+}
+
+/** @type {(packageName: string, changes: import('./utils/changes.js').Changes) => void} */
+function printPackageChanges(packageName, changes) {
+  console.log(`📦 ${packageName}`);
+  console.log('─'.repeat(50));
+  console.log(changes.body);
+  console.log();
+}
+
+if (packageName) {
+  let dir = getPackageDir(packageName);
+
+  if (!fs.existsSync(dir)) {
+    console.error(`Error: Package "${packageName}" not found in ./packages`);
+    process.exit(1);
+  }
+
+  let changes = getPackageChanges(packageName);
+
+  if (changes) {
+    printPackageChanges(packageName, changes);
+  } else {
+    console.log(`No pending changes found for package "${packageName}"`);
+    console.log();
+  }
+} else {
+  let packages = fs.readdirSync(packagesDir).filter((name) => {
+    let dir = getPackageDir(name);
+    return fs.existsSync(dir) && fs.statSync(dir).isDirectory();
+  });
+
+  let hasChanges = false;
+
+  packages.forEach((pkg) => {
+    let changes = getPackageChanges(pkg);
+    if (changes) {
+      hasChanges = true;
+      printPackageChanges(pkg, changes);
+    }
+  });
+
+  if (!hasChanges) {
+    console.log('No packages have pending changes');
+    console.log();
+  }
+}