chore(estimate-bytes): manage externals a bit better

build/estimate-bytes/index.js

@@ -11,6 +11,9 @@ import filesize from 'filesize';
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const root = path.join(__dirname, '../..');
 const dist = path.join(root, 'ember-resources/dist');
+const packageJsonPath = path.join(root, 'ember-resources/package.json');
+
+let packageJson;
 
 const config = {
   bundles: {
@@ -28,6 +31,8 @@ const config = {
  * 3. Find gzip + brotli sizes
  */
 async function collectStats() {
+  packageJson = JSON.parse((await fs.readFile(packageJsonPath)).toString());
+
   let { path: tmp } = await tmpDir();
 
   let bundlePatterns = Object.keys(config.bundles);
@@ -83,6 +88,11 @@ async function collectStats() {
 }
 
 async function bundle(entry, outFile) {
+  let externals = [
+    ...Object.keys(packageJson.dependencies || {}),
+    ...Object.keys(packageJson.peerDependencies || {})
+  ];
+
   /**
    * Utils are one file
    */
@@ -94,10 +104,17 @@ async function bundle(entry, outFile) {
       outfile: outFile,
       bundle: true,
       external: [
+        ...externals,
+        'ember',
         '@ember/application',
         '@ember/debug',
         '@ember/helper',
         '@ember/destroyable',
+        '@ember/object',
+        '@ember/runloop',
+        '@ember/test',
+        '@embroider/macros',
+        '@glimmer/component',
         '@glimmer/tracking',
       ],
     });