Add Template.clear

R=arv Review URL: https://codereview.appspot.com/12574043
googlearchive · Aug 6, 2013 · 60d98f1 · 60d98f1
1 parent dc7a0e9
commit 60d98f1
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Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/src/template_element.js b/src/template_element.js
@@ -857,6 +857,12 @@
 
       var nextRef = ref.ref;
       return nextRef ? nextRef : ref;
+    },
+
+    clear: function() {
+      this.unbind('bind');
+      this.unbind('if');
+      this.unbind('repeat');
     }
   });
 

diff --git a/tests/template_element.js b/tests/template_element.js
@@ -84,6 +84,10 @@ suite('Template Element', function() {
     Platform.performMicrotaskCheckpoint();
     assert.strictEqual(2, div.childNodes.length);
     assert.strictEqual('text', div.lastChild.textContent);
+
+    div.firstChild.clear();
+    Platform.performMicrotaskCheckpoint();
+    assert.strictEqual(1, div.childNodes.length);
   });
 
   test('Template bind, no parent', function() {
@@ -132,6 +136,10 @@ suite('Template Element', function() {
     Platform.performMicrotaskCheckpoint();
     assert.strictEqual(2, div.childNodes.length);
     assert.strictEqual('text', div.lastChild.textContent);
+
+    div.firstChild.clear();
+    Platform.performMicrotaskCheckpoint();
+    assert.strictEqual(1, div.childNodes.length);
   });
 
   test('Template Bind If, 2', function() {
@@ -160,6 +168,10 @@ suite('Template Element', function() {
     Platform.performMicrotaskCheckpoint();
     assert.strictEqual(2, div.childNodes.length);
     assert.strictEqual('foo', div.lastChild.textContent);
+
+    div.firstChild.clear();
+    Platform.performMicrotaskCheckpoint();
+    assert.strictEqual(1, div.childNodes.length);
   });
 
   test('Template-Empty If', function() {
@@ -190,6 +202,10 @@ suite('Template Element', function() {
     assert.strictEqual('1', div.childNodes[1].textContent);
     assert.strictEqual('2', div.childNodes[2].textContent);
     assert.strictEqual('3', div.childNodes[3].textContent);
+
+    div.firstChild.clear();
+    Platform.performMicrotaskCheckpoint();
+    assert.strictEqual(1, div.childNodes.length);
   });
 
   test('TextTemplateWithNullStringBinding', function() {
@@ -342,6 +358,11 @@ suite('Template Element', function() {
     model.splice(1, 1);
     Platform.performMicrotaskCheckpoint();
     assert.strictEqual(3, div.childNodes.length);
+
+
+    div.firstChild.clear();
+    Platform.performMicrotaskCheckpoint();
+    assert.strictEqual(1, div.childNodes.length);
   });
 
   test('Repeat - Reuse Instances', function() {