homework/react/react-store/node_modules/.cache/babel-loader/d19703cb9e824da1dd5b1b74d29d01ff.json

{"ast":null,"code":"import React, { useMemo } from 'react';\nimport PropTypes from 'prop-types';\nimport { ReactReduxContext } from './Context';\nimport { createSubscription } from '../utils/Subscription';\nimport { useIsomorphicLayoutEffect } from '../utils/useIsomorphicLayoutEffect';\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 = createSubscription(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  useIsomorphicLayoutEffect(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 /*#__PURE__*/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 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React, { useMemo } from 'react';\nimport PropTypes from 'prop-types';\nimport { ReactReduxContext } from './Context';\nimport { createSubscription } from '../utils/Subscription';\nimport { useIsomorphicLayoutEffect } from '../utils/useIsomorphicLayoutEffect';\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 = createSubscription(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  useIsomorphicLayoutEffect(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 /*#__PURE__*/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;"]},"metadata":{},"sourceType":"module"}