feat(md-scrollfire): remove scrollfire patch, provide it optionally, c…

…loses #161

src/config-builder.js

@@ -4,6 +4,7 @@
 export class ConfigBuilder {
 
   useGlobalResources: boolean = true;
+  useScrollfirePatch: boolean = false;
   globalResources = [];
 
   useAll(): ConfigBuilder {
@@ -261,4 +262,9 @@ export class ConfigBuilder {
     this.useGlobalResources = false;
     return this;
   }
+
+  withScrollfirePatch(): ConfigBuilder {
+    this.useScrollfirePatch = true;
+    return this;
+  }
 }

src/index.js

@@ -1,5 +1,6 @@
 import 'materialize';
 import {ConfigBuilder} from './config-builder';
+import {ScrollfirePatch} from './scrollfire/scrollfire-patch';
 
 export function configure(aurelia, configCallback) {
   let builder = new ConfigBuilder();
@@ -11,6 +12,9 @@ export function configure(aurelia, configCallback) {
   if (builder.useGlobalResources) {
     aurelia.globalResources(builder.globalResources);
   }
+  if (builder.useScrollfirePatch) {
+    new ScrollfirePatch().patch();
+  }
 }
 
 // build-index-remove start

src/scrollfire/scrollfire-patch.js

@@ -1,10 +1,10 @@
 /* eslint no-new-func:0 */
 export class ScrollfirePatch {
-  patched = false;
+  static patched = false;
 
   patch() {
-    if (!this.patched) {
-      this.patched = true;
+    if (!ScrollfirePatch.patched) {
+      ScrollfirePatch.patched = true;
 
       window.Materialize.scrollFire = function(options) {
         let didScroll = false;

src/scrollfire/scrollfire.js

@@ -1,14 +1,12 @@
 import { customAttribute } from 'aurelia-templating';
 import { inject } from 'aurelia-dependency-injection';
 import { getLogger } from 'aurelia-logging';
-import { ScrollfirePatch } from './scrollfire-patch';
 
 @customAttribute('md-scrollfire')
-@inject(Element, ScrollfirePatch)
+@inject(Element)
 export class MdScrollfire {
   targetId = 0;
-  constructor(element, scrollfirePatch) {
-    scrollfirePatch.patch();
+  constructor(element) {
     this.element = element;
     this.log = getLogger('md-scrollfire');
   }