first commit

exchange/dependencyCheck.js

@@ -0,0 +1,23 @@
+const deps = require('./package.json').dependencies;
+
+const missing = [];
+
+Object.keys(deps).forEach(dep => {
+  try {
+    require(dep);
+  } catch(e) {
+    if(e.code === 'MODULE_NOT_FOUND') {
+      missing.push(dep);
+    }
+  }
+});
+
+if(missing.length) {
+  console.error(
+    '\nThe following Gekko Broker dependencies are not installed: [',
+    missing.join(', '),
+    '].\n\nYou need to install them first, read here how:',
+    'https://gekko.wizb.it/docs/installation/installing_gekko.html#Installing-Gekko-39-s-dependencies\n'
+  );
+  process.exit(1);
+}