From 7831cb2c37d1584eae564b22e85b27711149eb91 Mon Sep 17 00:00:00 2001
From: Zeno Rocha <zno.rocha@gmail.com>
Date: Fri, 16 Feb 2018 16:14:20 -0800
Subject: [PATCH] Makes Scrollspy SSR compatible #5

---
 src/Scrollspy.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Scrollspy.js b/src/Scrollspy.js
index 2c86024..0a81396 100644
--- a/src/Scrollspy.js
+++ b/src/Scrollspy.js
@@ -1,6 +1,6 @@
 'use strict';
 
-import core from 'metal';
+import {core, isServerSide} from 'metal';
 import dom from 'metal-dom';
 import Position from 'metal-position';
 import State from 'metal-state';
@@ -15,6 +15,10 @@ class Scrollspy extends State {
 	constructor(opt_config) {
 		super(opt_config);
 
+		if (isServerSide()) {
+			return;
+		}
+
 		/**
 		 * Holds the regions cache.
 		 * @type {!Array}
@@ -37,6 +41,10 @@ class Scrollspy extends State {
 	 * @inheritDoc
 	 */
 	disposeInternal() {
+		if (isServerSide()) {
+			return;
+		}
+
 		this.deactivateAll();
 		this.scrollHandle_.dispose();
 		super.disposeInternal();
@@ -255,7 +263,13 @@ Scrollspy.STATE = {
 	 */
 	scrollElement: {
 		setter: dom.toElement,
-		value: document
+		valueFn: function() {
+			if (isServerSide()) {
+				return;
+			}
+
+			return document;
+		}
 	},
 
 	/**