HomeWork/react2/node_modules/react-redux/lib/connect/verifySubselectors.js

"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);
}