add back toc names for inspector

ember-addon-main.js

@@ -5,6 +5,23 @@ let VersionChecker = require('ember-cli-version-checker');
 module.exports = {
   name: require('./package').name,
 
+  _getBabelOptions() {
+    const parentOptions = this.parent && this.parent.options;
+    const appOptions = this.app && this.app.options;
+    const addonOptions = parentOptions || appOptions || {};
+
+    addonOptions.babel = addonOptions.babel || {};
+    addonOptions.babel.plugins = addonOptions.babel.plugins || [];
+    return addonOptions.babel;
+  },
+
+  addBabelPlugin() {
+    this._getBabelOptions().plugins.push([
+      require.resolve('./src/babel-plugin.js'),
+      { v: 1 },
+    ]);
+  },
+
   included() {
     this._super.included.apply(this, arguments);
 
@@ -33,6 +50,8 @@ module.exports = {
         'ember-template-imports requires' + '\n\t' + errors.join('\n\t'),
       );
     }
+
+    this.addBabelPlugin();
   },
 
   setupPreprocessorRegistry(type, registry) {

src/babel-plugin.js

@@ -0,0 +1,37 @@
+const { basename, extname } = require('path');
+
+module.exports = function hotReplaceAst(
+  { types: t }) {
+
+  return {
+    name: 'add-template-only-names-for-inspector',
+    visitor: {
+      CallExpression(path, state) {
+        let calleePath = path.get('callee');
+
+        if (!calleePath.isIdentifier()) {
+          return;
+        }
+
+        if (calleePath.referencesImport('@ember/component/template-only', 'default')) {
+          let params = path.node.arguments;
+          let assignment = path.parentPath.parentPath.node;
+          let rootName = basename(state.filename).slice(0, -extname(state.filename).length);
+          let assignmentName = t.identifier('undefined');
+          if (assignment.type === 'AssignmentExpression' && assignment.left.type === 'Identifier') {
+            assignmentName = t.stringLiteral(rootName + ':' + assignment.left.name);
+          }
+          if (assignment.type === 'VariableDeclarator' && assignment.id.type === 'Identifier') {
+            assignmentName = t.stringLiteral(rootName + ':' + assignment.id.name);
+          }
+          if (assignment.type === 'ExportDefaultDeclaration') {
+            assignmentName = t.stringLiteral(rootName);
+          }
+
+          params.length = 0;
+          params.push(t.identifier('undefined'), assignmentName);
+        }
+      }
+    }
+  }
+}

tests/integration/gjs-test.gjs

@@ -21,6 +21,7 @@ module('tests/integration/components/gjs', function (hooks) {
     );
 
     assert.equal(this.element.textContent.trim(), 'Hello, world!');
+    assert.equal(Foo.name, 'gjs-test:Foo');
   });
 
   test('it works with imports', async function (assert) {