fix: fix issue with warnings not appearing for first line of email text

We needed to use childNodes instead of children in order to pick up both the child elements with
text and the DOM text nodes directly associated with the element.

re #117

spec/JustNotSorrySpec.test.js

@@ -147,6 +147,25 @@ describe('JustNotSorry', () => {
       expect(wrapper.state('parentNode')).toBe(domNode.parentNode);
     });
 
+    describe('when there are top-level and child nodes', () => {
+      it('catches the warnings for both', () => {
+        const elem = mount(
+          <div props={{ id: 'div-focus' }} contentEditable={'true'}>
+            test!!!
+            <div>Hello!!!</div>
+          </div>
+        );
+
+        const domNode = elem.getDOMNode();
+        instance.updateWarnings(domNode, [
+          buildWarning('\\b!{3,}\\B', 'warning message'),
+        ]);
+
+        expect(wrapper.state('warnings').length).toBe(2);
+        expect(wrapper.state('parentNode')).toBe(domNode.parentNode);
+      });
+    });
+
     it('does not add warnings for tooltip matches', () => {
       const node = enterText('test justify test');
       simulateEvent(node, 'focus');

src/components/JustNotSorry.js

@@ -43,8 +43,8 @@ class JustNotSorry extends Component {
 
   updateWarnings(email, patterns) {
     const newWarnings =
-      email.children.length > 0
-        ? Array.from(email.children)
+      email.childNodes.length > 0
+        ? Array.from(email.childNodes)
             .filter((node) => node.textContent !== '')
             .flatMap((text) => findRanges(text, patterns))
         : findRanges(email, patterns);