An argument finalElement was added to limit the scope of the function. (#108)

Author: hemnstill

src/index.js

@@ -1,6 +1,6 @@
 import animate from 'amator'
 
-export default function (elem, centerIfNeeded, options) {
+export default function (elem, centerIfNeeded, options, finalElement) {
 
   if (!elem) throw new Error('Element is required in scrollIntoViewIfNeeded')
 
@@ -43,7 +43,7 @@ export default function (elem, centerIfNeeded, options) {
   var parent, area = makeArea(
       elem.offsetLeft, elem.offsetTop,
       elem.offsetWidth, elem.offsetHeight);
-  while ((parent = elem.parentNode) instanceof HTMLElement) {
+  while ((parent = elem.parentNode) instanceof HTMLElement && elem !== finalElement) {
       var clientLeft = parent.offsetLeft + parent.clientLeft;
       var clientTop = parent.offsetTop + parent.clientTop;
 

typings.d.ts

@@ -8,4 +8,5 @@ export default function(
   node: Element,
   centerIfNeeded: boolean,
   options?: ScrollIntoViewIfNeededOptions,
+  finalElement?: Element
 ): void;