Fix issue and bump version to 1.1.1 (#24)

Fix issue #23, when update is called with an empty string, the content is not updated with an empty string

dist/truncate.js

@@ -412,7 +412,7 @@
 
       // Update HTML if provided, otherwise use the current html and restore
       // the truncated content to the original if it's currently present.
-      if (html) {
+      if (typeof html !== 'undefined') {
         this.original = this.element.innerHTML = html;
       } else if (this.isCollapsed && this.element.innerHTML === this.cached) {
         this.element.innerHTML = this.original;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "truncate.js",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Fast, intelligent Javascript text truncation",
   "author": "Jeff Chan",
   "contributors": [{

test/chrome/truncate-test.js

@@ -235,6 +235,12 @@ describe('truncate.js', function () {
       this.$fixture.truncate('update');
       assert.equal(this.$fixture.html(), "<div>Members, friends, adversaries… <a href=\"#\">More</a></div>");
     });
+
+    it('should support empty string', function () {
+      this.$fixture.html("<div>Members, friends, adversaries, competitors, and colleagues</div>");
+      this.$fixture.truncate('update', "");
+      assert.equal(this.$fixture.html(), "");
+    });
   });
 
   describe('.expand()', function () {

test/phantomjs/truncate-test.js

@@ -235,6 +235,12 @@ describe('truncate.js', function () {
       this.$fixture.truncate('update');
       assert.equal(this.$fixture.html(), "<div>Members, friends, adversaries,… <a href=\"#\">More</a></div>");
     });
+
+    it('should support empty string', function () {
+      this.$fixture.html("<div>Members, friends, adversaries, competitors, and colleagues</div>");
+      this.$fixture.truncate('update', "");
+      assert.equal(this.$fixture.html(), "");
+    });
   });
 
   describe('.expand()', function () {

truncate.js

@@ -412,7 +412,7 @@
 
       // Update HTML if provided, otherwise use the current html and restore
       // the truncated content to the original if it's currently present.
-      if (html) {
+      if (typeof html !== 'undefined') {
         this.original = this.element.innerHTML = html;
       } else if (this.isCollapsed && this.element.innerHTML === this.cached) {
         this.element.innerHTML = this.original;