RAHHH

backend/frontend/node_modules/tcomb/lib/create.js

@@ -0,0 +1,19 @@
+var isType = require('./isType');
+var getFunctionName = require('./getFunctionName');
+var assert = require('./assert');
+var stringify = require('./stringify');
+
+// creates an instance of a type, handling the optional new operator
+module.exports = function create(type, value, path) {
+  if (isType(type)) {
+    return !type.meta.identity && typeof value === 'object' && value !== null ? new type(value, path): type(value, path);
+  }
+
+  if (process.env.NODE_ENV !== 'production') {
+    // here type should be a class constructor and value some instance, just check membership and return the value
+    path = path || [getFunctionName(type)];
+    assert(value instanceof type, function () { return 'Invalid value ' + stringify(value) + ' supplied to ' + path.join('/'); });
+  }
+
+  return value;
+};