React_Client_App_Access/node_modules/.cache/babel-loader/759614d710d083a5569bb663338b0bb7.json

{"ast":null,"code":"import React, { useMemo, useEffect } from 'react';\nimport PropTypes from 'prop-types';\nimport { ReactReduxContext } from './Context';\nimport Subscription from '../utils/Subscription';\n\nfunction Provider(_ref) {\n  var store = _ref.store,\n      context = _ref.context,\n      children = _ref.children;\n  var contextValue = useMemo(function () {\n    var subscription = new Subscription(store);\n    subscription.onStateChange = subscription.notifyNestedSubs;\n    return {\n      store: store,\n      subscription: subscription\n    };\n  }, [store]);\n  var previousState = useMemo(function () {\n    return store.getState();\n  }, [store]);\n  useEffect(function () {\n    var subscription = contextValue.subscription;\n    subscription.trySubscribe();\n\n    if (previousState !== store.getState()) {\n      subscription.notifyNestedSubs();\n    }\n\n    return function () {\n      subscription.tryUnsubscribe();\n      subscription.onStateChange = null;\n    };\n  }, [contextValue, previousState]);\n  var Context = context || ReactReduxContext;\n  return React.createElement(Context.Provider, {\n    value: contextValue\n  }, children);\n}\n\nif (process.env.NODE_ENV !== 'production') {\n  Provider.propTypes = {\n    store: PropTypes.shape({\n      subscribe: PropTypes.func.isRequired,\n      dispatch: PropTypes.func.isRequired,\n      getState: PropTypes.func.isRequired\n    }),\n    context: PropTypes.object,\n    children: PropTypes.any\n  };\n}\n\nexport default Provider;","map":null,"metadata":{},"sourceType":"module"}