improve structure & switch to yarn

packages/overlayscrollbars/babel.config.js

@@ -0,0 +1 @@
+module.exports = require('../../babel.config.base');

packages/overlayscrollbars/build.config.json

@@ -1,7 +0,0 @@
-{
-  "name": "OverlayScrollbars",
-  "exports": "auto",
-  "globals": {
-    "jquery": "jQuery"
-  }
-}

packages/overlayscrollbars/dist/overlayscrollbars.js

@@ -3,7 +3,7 @@
     ? (module.exports = factory())
     : typeof define === 'function' && define.amd
     ? define(factory)
-    : ((global = global || self), (global.OverlayScrollbars = factory()));
+    : ((global = typeof globalThis !== 'undefined' ? globalThis : global || self), (global.OverlayScrollbars = factory()));
 })(this, function () {
   'use strict';
 

packages/overlayscrollbars/jest-puppeteer.config.js

@@ -0,0 +1 @@
+module.exports = require('../../jest-puppeteer.config.base');

packages/overlayscrollbars/jest.config.js

@@ -0,0 +1 @@
+module.exports = require('../../jest.config.base');

packages/overlayscrollbars/package.json

@@ -1,5 +1,12 @@
 {
+  "name": "overlayscrollbars",
   "private": true,
   "description": "OverlayScrollbars version 2",
-  "version": "0.0.1"
+  "version": "0.0.1",
+  "scripts": {
+    "test": "jest --coverage --runInBand --detectOpenHandles",
+    "test:jsdom": "jest --coverage --runInBand --detectOpenHandles --selectProjects jsdom",
+    "test:pptr": "jest --coverage --runInBand --detectOpenHandles --selectProjects puppeteer",
+    "build": "cross-env NODE_ENV=build rollup -c"
+  }
 }

packages/overlayscrollbars/rollup.config.js

@@ -0,0 +1,11 @@
+const base = require('../../rollup.config.base');
+
+const config = {
+  name: 'OverlayScrollbars',
+  exports: 'auto',
+  globals: {
+    jquery: 'jQuery',
+  },
+};
+
+module.exports = (_, ...args) => base(config, ...args);

packages/overlayscrollbars/tests/puppeteer/Environment/index.test.ts

@@ -1,4 +1,4 @@
-import url from './__build__/build.html';
+import url from './.build/build.html';
 
 describe('Environment', () => {
   beforeAll(async () => {