Enumerate Component templates. (#25)

Enumerate Component templates.

Author: Robert Jackson

lib/gather/analyze-ember-object.js

@@ -1,4 +1,6 @@
-module.exports = function analyzeEmberObject(possibleEmberObject) {
+module.exports = function analyzeEmberObject(possibleEmberObject, modulePath) {
+  let isTemplate = false;
+
   if (typeof possibleEmberObject !== 'object' || possibleEmberObject === null) {
     return undefined;
   }
@@ -10,6 +12,18 @@ module.exports = function analyzeEmberObject(possibleEmberObject) {
         type: 'Helper',
       };
     } else if (typeof eObjDefault.proto !== 'function') {
+      /**
+       * this is for JavaScript-less components that only have a template. Only
+       * components with a backing JavaScript file will be in the `require.entries`
+       * that will have a `proto()` we can instantiate.
+       */
+      if (modulePath && modulePath.includes('templates/components/')) {
+        isTemplate = true;
+        return {
+          isTemplate,
+          type: 'Component',
+        };
+      }
       return undefined;
     }
   }

lib/gather/gather-telemetry.js

@@ -42,7 +42,7 @@ module.exports = async function gatherTelemetry(url, gatherFn, ...args) {
 
         try {
           let module = require(modulePath);
-          telemetry[modulePath] = await gFn(module);
+          telemetry[modulePath] = await gFn(module, modulePath);
         } catch (error) {
           // log the error, but continue
           window.logErrorInNodeProcess(`error evaluating \`${modulePath}\`: ${error.message}`);

lib/gather/gather-telemetry.test.js

@@ -49,7 +49,7 @@ describe('Provide a personalized `Gathering Function`', () => {
   test('can determine most Ember types with a robust function', async () => {
     await gatherTelemetry('http://localhost:4200', analyzeEmberObject);
     let telemetry = getTelemetry();
-    expect(Object.values(telemetry).filter(Boolean).length).toEqual(34);
+    expect(Object.values(telemetry).filter(Boolean).length).toEqual(38);
   });
 
   test('can handle external functions', async () => {
@@ -58,6 +58,15 @@ describe('Provide a personalized `Gathering Function`', () => {
     expect(Object.values(telemetry).filter(Boolean).length).toEqual(1);
   });
 
+  test('can enumerate template only classic components', async () => {
+    await gatherTelemetry('http://localhost:4200', analyzeEmberObject);
+    let telemetry = getTelemetry();
+    let components = Object.values(telemetry).filter(obj => obj.isTemplate);
+    expect(components.length).toEqual(4);
+    expect(components[0].type).toEqual('Component');
+    expect(components[0].isTemplate).toBe(true);
+  });
+
   afterAll(async () => {
     console.log(`Killing PID: ${app.emberServe.pid}`);
     await app.emberServe.kill('SIGTERM', {

test/fixtures/classic-app/app/templates/components/no-script-component.hbs

@@ -0,0 +1,3 @@
+<div>
+  <p>I have no JavaScript class</p>
+</div>