1. Module bundling added to reduce server calls as each file was taking ~440 ms to load on public server.\n2. JavaScript lib files refactored with OOP for use with module bundling.

node_modules/browserslist/error.d.ts

@@ -0,0 +1,7 @@
+declare class BrowserslistError extends Error {
+  constructor(message: any)
+  name: 'BrowserslistError'
+  browserslist: true
+}
+
+export = BrowserslistError