Moving to node_modules folder to make easier to upgrade

trying to move from Bootstrap 3 to Bootstrap 5

node_modules/mux.js/scripts/node-test.js

@@ -0,0 +1,25 @@
+/* eslint-disable no-console */
+const path = require('path');
+const spawn = require('child_process').spawn;
+const major = parseInt(process.versions.node.split('.')[0], 10);
+const qunitBinary = require.resolve('qunit/bin/qunit.js');
+
+if (major < 10) {
+  console.error('Cannot run tests on node < 10, please update');
+  process.exit(1);
+}
+
+let args = [qunitBinary, 'test/dist/bundle.js'];
+
+if (major === 10) {
+  args = ['node', '--experimental-worker'].concat(args);
+}
+
+const child = spawn(args[0], args.slice(1), {
+  cwd: path.join(__dirname, '..'),
+  stdio: 'inherit'
+});
+
+child.on('close', (code) => {
+  process.exit(code);
+});