fix metadata publishing

I figured out why this isn't working in the alpha releases, it's a silly bug. We were reading the output before the output was in place. Locally I didn't notice because I had output from previous runs.

This is the more rollup-friendly way to do it anyway.

Author: ef4

package.json

@@ -298,11 +298,11 @@
       "@ember/test/index.js": "ember-source/@ember/test/index.js",
       "@ember/utils/index.js": "ember-source/@ember/utils/index.js",
       "@ember/utils/lib/compare.js": "ember-source/@ember/utils/lib/compare.js",
+      "@ember/utils/lib/is-equal.js": "ember-source/@ember/utils/lib/is-equal.js",
       "@ember/utils/lib/is_blank.js": "ember-source/@ember/utils/lib/is_blank.js",
       "@ember/utils/lib/is_empty.js": "ember-source/@ember/utils/lib/is_empty.js",
       "@ember/utils/lib/is_none.js": "ember-source/@ember/utils/lib/is_none.js",
       "@ember/utils/lib/is_present.js": "ember-source/@ember/utils/lib/is_present.js",
-      "@ember/utils/lib/is-equal.js": "ember-source/@ember/utils/lib/is-equal.js",
       "@ember/utils/lib/type-of.js": "ember-source/@ember/utils/lib/type-of.js",
       "@ember/version/index.js": "ember-source/@ember/version/index.js",
       "@glimmer/debug/index.js": "ember-source/@glimmer/debug/index.js",

rollup.config.mjs

@@ -500,23 +500,20 @@ function pruneEmptyBundles() {
 }
 
 function packageMeta() {
-  let renamedModules = Object.fromEntries(
-    glob
-      .sync('**/*.js', {
-        cwd: new URL('dist/packages', import.meta.url).pathname,
-        ignore: ['shared-chunks/**'],
-        nodir: true,
-      })
-      .map((name) => {
-        return [name, 'ember-source/' + name];
-      })
-  );
   return {
     name: 'package-meta',
-    buildEnd(error) {
-      if (error) {
-        return;
-      }
+    generateBundle(options, bundles) {
+      let renamedModules = Object.fromEntries(
+        Object.keys(bundles)
+          .filter((name) => !name.startsWith('packages/shared-chunks/'))
+          .sort()
+          .map((name) => {
+            return [
+              name.replace(/^packages\//, ''),
+              'ember-source/' + name.replace(/^packages\//, ''),
+            ];
+          })
+      );
       let pkg = JSON.parse(readFileSync('package.json'));
       if (!pkg['ember-addon']) {
         pkg['ember-adodn'] = {};