diff --git a/src/index.js b/src/index.js
index e073fb8..ceb006c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -87,7 +87,7 @@ function updateRegionalToken(region, data) {
     
 }
 
-function updateRegionPreference(newRegion) {
+export function updateRegionPreference(newRegion) {
     if (newRegion != current_region_selection) {
         token_chart.destroy();
         current_region_selection = newRegion;
@@ -95,7 +95,7 @@ function updateRegionPreference(newRegion) {
     formatToken();
     pullChartData().then(populateChart);
 }
-function updateTimePreference(newTime) {
+export function updateTimePreference(newTime) {
     if (newTime != current_time_selection) {
         token_chart.destroy();
         current_time_selection = newTime;
diff --git a/webpack.config.js b/webpack.config.js
index 665f47c..704011d 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -4,7 +4,8 @@ module.exports = {
   entry: './src/index.js',
   output: {
     filename: 'bundle.js',
-    path: path.resolve(__dirname, 'dist')
+    path: path.resolve(__dirname, 'dist'),
+    libraryTarget: 'window',
   },
   module: {
       rules: [