From ce9575b37bec1dd0e550f422ff1d0ed22eb8b0f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Moreira?= <jose.moreira@findhit.com>
Date: Tue, 20 Jun 2017 09:38:45 +0100
Subject: [PATCH 1/2] If element height is 0, return it instead of `false`

---
 in-viewport.js | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/in-viewport.js b/in-viewport.js
index e2a8d8e..5fba5b2 100644
--- a/in-viewport.js
+++ b/in-viewport.js
@@ -148,12 +148,6 @@ function createInViewport(container, debounceValue, failsafe) {
       return false;
     }
 
-    // Check if the element is visible
-    // https://github.com/jquery/jquery/blob/740e190223d19a114d5373758127285d14d6b71e/src/css/hiddenVisibleSelectors.js
-    if (!elt.offsetWidth || !elt.offsetHeight) {
-      return false;
-    }
-
     var eltRect = elt.getBoundingClientRect();
     var viewport = {};
 

From d2c38db4288fde41e0fa6060467fe98e48a19f6e Mon Sep 17 00:00:00 2001
From: vvo <vincent.voyer@algolia.com>
Date: Tue, 20 Jun 2017 17:24:08 +0200
Subject: [PATCH 2/2] fix(contains): fix contains method

---
 in-viewport.js   | 34 +++++++++++++++++-----------------
 test/no-watch.js |  2 +-
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/in-viewport.js b/in-viewport.js
index 5fba5b2..c461105 100644
--- a/in-viewport.js
+++ b/in-viewport.js
@@ -61,26 +61,26 @@ function debounce(func, wait, immediate) {
 }
 
 // https://github.com/jquery/sizzle/blob/3136f48b90e3edc84cbaaa6f6f7734ef03775a07/sizzle.js#L708
-var contains = function() {
+var contains = function(a, b) {
   if (!global.document) {
     return true;
   }
-  return global.document.documentElement.compareDocumentPosition ?
-    function (a, b) {
-      return !!(a.compareDocumentPosition(b) & 16);
-    } :
-    global.document.documentElement.contains ?
-      function (a, b) {
-        return a !== b && ( a.contains ? a.contains(b) : false );
-      } :
-      function (a, b) {
-        while (b = b.parentNode) {
-          if (b === a) {
-            return true;
-          }
-        }
-        return false;
-      };
+
+  if (global.document.documentElement.compareDocumentPosition) {
+    return !!(a.compareDocumentPosition(b) & 16);
+  }
+
+  if (global.document.documentElement.contains) {
+    return a !== b && ( a.contains ? a.contains(b) : false );
+  }
+
+  while (b = b.parentNode) {
+    if (b === a) {
+      return true;
+    }
+  }
+
+  return false;
 }
 
 function createInViewport(container, debounceValue, failsafe) {
diff --git a/test/no-watch.js b/test/no-watch.js
index 456f769..2c2080b 100644
--- a/test/no-watch.js
+++ b/test/no-watch.js
@@ -45,4 +45,4 @@ describe('without using callbacks', function() {
       assert.strictEqual(inViewport(test), false);
     });
   });
-});
\ No newline at end of file
+});