Migration datamodels !

node_modules/liftoff/lib/register_loader.js

@@ -0,0 +1,24 @@
+var rechoir = require('rechoir');
+
+module.exports = function(eventEmitter, extensions, configPath, cwd) {
+  extensions = extensions || {};
+
+  if (typeof configPath !== 'string') {
+    return;
+  }
+
+  var autoloads = rechoir.prepare(extensions, configPath, cwd, true);
+  if (autoloads instanceof Error) { // Only errors
+    autoloads.failures.forEach(function(failed) {
+      eventEmitter.emit('requireFail', failed.moduleName, failed.error);
+    });
+    return;
+  }
+
+  if (!Array.isArray(autoloads)) { // Already required or no config.
+    return;
+  }
+
+  var succeeded = autoloads[autoloads.length - 1];
+  eventEmitter.emit('require', succeeded.moduleName, succeeded.module);
+};