fixes #47

Author: George Griffiths

.eslintrc.js

@@ -9,5 +9,13 @@ module.exports = {
         "ecmaVersion": 12,
         "sourceType": "module"
     },
+    "globals": {
+        "it": true,
+        "describe": true,
+        "expect": true,
+        "beforeEach": true,
+        "afterEach": true,
+        "jasmine": true
+    },
     "rules": { "semi": ["error", "always"]}
 };

src/querySelectorDeep.js

@@ -177,6 +177,5 @@ export function collectAllElementsDeep(selector = null, root, cachedElements = n
         findAllElements(root.querySelectorAll('*'));
     }
 
-    return allElements.filter(el => el.matches(selector));
-}
+    return selector ? allElements.filter(el => el.matches(selector)) : allElements;	}
 

test/basic.spec.js

@@ -381,6 +381,21 @@ describe("Basic Suite", function() {
             expect(testComponents3.length).toEqual(1);
         });
 
+        it('empty collectAllElementsDeep find all elements', function() {
+            const root = document.createElement('div');
+            parent.appendChild(root);
+
+            createTestComponent(root, {
+                childClassName: 'inner-content'
+            });
+
+            createTestComponent(parent, {
+                childClassName: 'inner-content'
+            });
+            const collectedElements = collectAllElementsDeep('', root);
+            expect(collectedElements.length).toEqual(4);
+        });
+
         it('can query nodes in an iframe', function(done) {
 
             const innerframe = `<p class='child'>Content</p>`;
@@ -390,7 +405,6 @@ describe("Basic Suite", function() {
             setTimeout(() => {
                 const iframe = querySelectorDeep('#frame');
                 const testComponents = querySelectorAllDeep('.child', iframe.contentDocument);
-                debugger;
                 expect(testComponents.length).toEqual(1);
                 expect(testComponents[0].textContent).toEqual("Content");
                 done();