planning

node_modules/react-redux/lib/connect/verifySubselectors.js

@@ -0,0 +1,24 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault")["default"];
+
+exports.__esModule = true;
+exports["default"] = verifySubselectors;
+
+var _warning = _interopRequireDefault(require("../utils/warning"));
+
+function verify(selector, methodName, displayName) {
+  if (!selector) {
+    throw new Error("Unexpected value for " + methodName + " in " + displayName + ".");
+  } else if (methodName === 'mapStateToProps' || methodName === 'mapDispatchToProps') {
+    if (!Object.prototype.hasOwnProperty.call(selector, 'dependsOnOwnProps')) {
+      (0, _warning["default"])("The selector for " + methodName + " of " + displayName + " did not specify a value for dependsOnOwnProps.");
+    }
+  }
+}
+
+function verifySubselectors(mapStateToProps, mapDispatchToProps, mergeProps, displayName) {
+  verify(mapStateToProps, 'mapStateToProps', displayName);
+  verify(mapDispatchToProps, 'mapDispatchToProps', displayName);
+  verify(mergeProps, 'mergeProps', displayName);
+}