added node modules back to the example bot, so it exports with the required modules

node_modules/@mapbox/node-pre-gyp/lib/configure.js

@@ -0,0 +1,52 @@
+'use strict';
+
+module.exports = exports = configure;
+
+exports.usage = 'Attempts to configure node-gyp or nw-gyp build';
+
+const napi = require('./util/napi.js');
+const compile = require('./util/compile.js');
+const handle_gyp_opts = require('./util/handle_gyp_opts.js');
+
+function configure(gyp, argv, callback) {
+  handle_gyp_opts(gyp, argv, (err, result) => {
+    let final_args = result.gyp.concat(result.pre);
+    // pull select node-gyp configure options out of the npm environ
+    const known_gyp_args = ['dist-url', 'python', 'nodedir', 'msvs_version'];
+    known_gyp_args.forEach((key) => {
+      const val = gyp.opts[key] || gyp.opts[key.replace('-', '_')];
+      if (val) {
+        final_args.push('--' + key + '=' + val);
+      }
+    });
+    // --ensure=false tell node-gyp to re-install node development headers
+    // but it is only respected by node-gyp install, so we have to call install
+    // as a separate step if the user passes it
+    if (gyp.opts.ensure === false) {
+      const install_args = final_args.concat(['install', '--ensure=false']);
+      compile.run_gyp(install_args, result.opts, (err2) => {
+        if (err2) return callback(err2);
+        if (result.unparsed.length > 0) {
+          final_args = final_args.
+            concat(['--']).
+            concat(result.unparsed);
+        }
+        compile.run_gyp(['configure'].concat(final_args), result.opts, (err3) => {
+          return callback(err3);
+        });
+      });
+    } else {
+      if (result.unparsed.length > 0) {
+        final_args = final_args.
+          concat(['--']).
+          concat(result.unparsed);
+      }
+      compile.run_gyp(['configure'].concat(final_args), result.opts, (err4) => {
+        if (!err4 && result.opts.napi_build_version) {
+          napi.swap_build_dir_out(result.opts.napi_build_version);
+        }
+        return callback(err4);
+      });
+    }
+  });
+}