react-redux - npm Package Compare versions

Comparing version 7.1.3 to 7.2.0

dist/react-redux.min.js

@@ -1,1 +0,1 @@
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s=u[c];if(!(g[s]||n&&n[s]||i&&i[s]||a&&a[s])){var f=T(r,s);try{x(t,s,f)}catch(e){}}}return t}return t},N="undefined"!=typeof window&&void 0!==window.document&&void 0!==window.document.createElement?t.useLayoutEffect:t.useEffect,_=[],q=[null,null];function D(e,t){return[t.payload,e[1]+1]}function k(e,t,r){N(function(){return e.apply(void 0,t)},r)}function F(e,t,r,n,o,u,a){e.current=n,t.current=o,r.current=!1,u.current&&(u.current=null,a())}function W(e,t,r,n,o,u,a,i,c,s){if(e){var f=!1,p=null,l=function(){if(!f){var e,r,l=t.getState();try{e=n(l,o.current)}catch(e){r=e,p=e}r||(p=null),e===u.current?a.current||c():(u.current=e,i.current=e,a.current=!0,s({type:"STORE_UPDATED",payload:{error:r}}))}};r.onStateChange=l,r.trySubscribe(),l();return function(){if(f=!0,r.tryUnsubscribe(),r.onStateChange=null,p)throw p}}}var H=function(){return[null,0]};function U(e,r){void 0===r&&(r={});var n=r.getDisplayName,u=void 0===n?function(e){return"ConnectAdvanced("+e+")"}:n,a=r.methodName,i=void 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r=t.initMapStateToProps,n=t.initMapDispatchToProps,o=t.initMergeProps,u=v(t,["initMapStateToProps","initMapDispatchToProps","initMergeProps"]),a=r(e,u),i=n(e,u),c=o(e,u);return(u.pure?Q:J)(a,i,c,e,u)}function Z(e,t,r){for(var n=t.length-1;n>=0;n--){var o=t[n](e);if(o)return o}return function(t,n){throw Error("Invalid value of type "+typeof e+" for "+r+" argument when connecting component "+n.wrappedComponentName+".")}}function ee(e,t){return e===t}function te(e){var t=void 0===e?{}:e,r=t.connectHOC,n=void 0===r?U:r,o=t.mapStateToPropsFactories,u=void 0===o?B:o,a=t.mapDispatchToPropsFactories,i=void 0===a?V:a,c=t.mergePropsFactories,s=void 0===c?G:c,f=t.selectorFactory,p=void 0===f?X:f;return function(e,t,r,o){void 0===o&&(o={});var a=o.pure,c=void 0===a||a,f=o.areStatesEqual,l=void 0===f?ee:f,d=o.areOwnPropsEqual,m=void 0===d?I:d,b=o.areStatePropsEqual,h=void 0===b?I:b,S=o.areMergedPropsEqual,P=void 0===S?I:S,g=v(o,["pure","areStatesEqual","areOwnPropsEqual","areStatePropsEqual","areMergedPropsEqual"]),O=Z(e,u,"mapStateToProps"),w=Z(t,i,"mapDispatchToProps"),C=Z(r,s,"mergeProps");return n(p,y({methodName:"connect",getDisplayName:function(e){return"Connect("+e+")"},shouldHandleStateChanges:!!e,initMapStateToProps:O,initMapDispatchToProps:w,initMergeProps:C,pure:c,areStatesEqual:l,areOwnPropsEqual:m,areStatePropsEqual:h,areMergedPropsEqual:P},g))}}var re=te();function ne(){return t.useContext(s)}function oe(e){void 0===e&&(e=s);var r=e===s?ne:function(){return t.useContext(e)};return function(){return r().store}}var ue=oe();function ae(e){void 0===e&&(e=s);var t=e===s?ue:oe(e);return function(){return t().dispatch}}var ie=ae(),ce=function(e,t){return e===t};function se(e){void 0===e&&(e=s);var r=e===s?ne:function(){return t.useContext(e)};return function(e,n){void 0===n&&(n=ce);var o=r();return function(e,r,n,o){var u,a=t.useReducer(function(e){return e+1},0)[1],i=t.useMemo(function(){return new d(n,o)},[n,o]),c=t.useRef(),s=t.useRef(),f=t.useRef();try{u=e!==s.current||c.current?e(n.getState()):f.current}catch(e){throw c.current&&(e.message+="\nThe error may be correlated with this previous error:\n"+c.current.stack+"\n\n"),e}return N(function(){s.current=e,f.current=u,c.current=void 0}),N(function(){function e(){try{var e=s.current(n.getState());if(r(e,f.current))return;f.current=e}catch(e){c.current=e}a({})}return i.onStateChange=e,i.trySubscribe(),e(),function(){return i.tryUnsubscribe()}},[n,i]),u}(e,n,o.store,o.subscription)}}var fe=se();f=n.unstable_batchedUpdates,Object.defineProperty(e,"batch",{enumerable:!0,get:function(){return n.unstable_batchedUpdates}}),e.Provider=function(e){var r=e.store,n=e.context,u=e.children,a=t.useMemo(function(){var e=new d(r);return e.onStateChange=e.notifyNestedSubs,{store:r,subscription:e}},[r]),i=t.useMemo(function(){return r.getState()},[r]);return t.useEffect(function(){var e=a.subscription;return e.trySubscribe(),i!==r.getState()&&e.notifyNestedSubs(),function(){e.tryUnsubscribe(),e.onStateChange=null}},[a,i]),o.createElement((n||s).Provider,{value:a},u)},e.ReactReduxContext=s,e.connect=re,e.connectAdvanced=U,e.createDispatchHook=ae,e.createSelectorHook=se,e.createStoreHook=oe,e.shallowEqual=I,e.useDispatch=ie,e.useSelector=fe,e.useStore=ue,Object.defineProperty(e,"__esModule",{value:!0})});

es/components/connectAdvanced.js

 import _extends from "@babel/runtime/helpers/esm/extends";
 import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
 import hoistStatics from 'hoist-non-react-statics';
-import invariant from 'invariant';
 import React, { useContext, useMemo, useRef, useReducer } from 'react';
@@ -27,2 +26,98 @@ import { isValidElementType, isContextConsumer } from 'react-is';
 
+function useIsomorphicLayoutEffectWithArgs(effectFunc, effectArgs, dependencies) {
+  useIsomorphicLayoutEffect(function () {
+    return effectFunc.apply(void 0, effectArgs);
+  }, dependencies);
+}
+
+function captureWrapperProps(lastWrapperProps, lastChildProps, renderIsScheduled, wrapperProps, actualChildProps, childPropsFromStoreUpdate, notifyNestedSubs) {
+  // We want to capture the wrapper props and child props we used for later comparisons
+  lastWrapperProps.current = wrapperProps;
+  lastChildProps.current = actualChildProps;
+  renderIsScheduled.current = false; // If the render was from a store update, clear out that reference and cascade the subscriber update
+
+  if (childPropsFromStoreUpdate.current) {
+    childPropsFromStoreUpdate.current = null;
+    notifyNestedSubs();
+  }
+}
+
+function subscribeUpdates(shouldHandleStateChanges, store, subscription, childPropsSelector, lastWrapperProps, lastChildProps, renderIsScheduled, childPropsFromStoreUpdate, notifyNestedSubs, forceComponentUpdateDispatch) {
+  // If we're not subscribed to the store, nothing to do here
+  if (!shouldHandleStateChanges) return; // Capture values for checking if and when this component unmounts
+
+  var didUnsubscribe = false;
+  var lastThrownError = null; // We'll run this callback every time a store subscription update propagates to this component
+
+  var checkForUpdates = function checkForUpdates() {
+    if (didUnsubscribe) {
+      // Don't run stale listeners.
+      // Redux doesn't guarantee unsubscriptions happen until next dispatch.
+      return;
+    }
+
+    var latestStoreState = store.getState();
+    var newChildProps, error;
+
+    try {
+      // Actually run the selector with the most recent store state and wrapper props
+      // to determine what the child props should be
+      newChildProps = childPropsSelector(latestStoreState, lastWrapperProps.current);
+    } catch (e) {
+      error = e;
+      lastThrownError = e;
+    }
+
+    if (!error) {
+      lastThrownError = null;
+    } // If the child props haven't changed, nothing to do here - cascade the subscription update
+
+
+    if (newChildProps === lastChildProps.current) {
+      if (!renderIsScheduled.current) {
+        notifyNestedSubs();
+      }
+    } else {
+      // Save references to the new child props.  Note that we track the "child props from store update"
+      // as a ref instead of a useState/useReducer because we need a way to determine if that value has
+      // been processed.  If this went into useState/useReducer, we couldn't clear out the value without
+      // forcing another re-render, which we don't want.
+      lastChildProps.current = newChildProps;
+      childPropsFromStoreUpdate.current = newChildProps;
+      renderIsScheduled.current = true; // If the child props _did_ change (or we caught an error), this wrapper component needs to re-render
+
+      forceComponentUpdateDispatch({
+        type: 'STORE_UPDATED',
+        payload: {
+          error: error
+        }
+      });
+    }
+  }; // Actually subscribe to the nearest connected ancestor (or store)
+
+
+  subscription.onStateChange = checkForUpdates;
+  subscription.trySubscribe(); // Pull data from the store after first render in case the store has
+  // changed since we began.
+
+  checkForUpdates();
+
+  var unsubscribeWrapper = function unsubscribeWrapper() {
+    didUnsubscribe = true;
+    subscription.tryUnsubscribe();
+    subscription.onStateChange = null;
+
+    if (lastThrownError) {
+      // It's possible that we caught an error due to a bad mapState function, but the
+      // parent re-rendered without this component and we're about to unmount.
+      // This shouldn't happen as long as we do top-down subscriptions correctly, but
+      // if we ever do those wrong, this throw will surface the error in our tests.
+      // In that case, throw the error from here so it doesn't get lost.
+      throw lastThrownError;
+    }
+  };
+
+  return unsubscribeWrapper;
+}
+
 var initStateUpdates = function initStateUpdates() {
@@ -74,10 +169,22 @@ return [null, 0];
 
-  invariant(renderCountProp === undefined, "renderCountProp is removed. render counting is built into the latest React Dev Tools profiling extension");
-  invariant(!withRef, 'withRef is removed. To access the wrapped instance, use a ref on the connected component');
-  var customStoreWarningMessage = 'To use a custom Redux store for specific components, create a custom React context with ' + "React.createContext(), and pass the context object to React Redux's Provider and specific components" + ' like: <Provider context={MyContext}><ConnectedComponent context={MyContext} /></Provider>. ' + 'You may also pass a {context : MyContext} option to connect';
-  invariant(storeKey === 'store', 'storeKey has been removed and does not do anything. ' + customStoreWarningMessage);
+  if (process.env.NODE_ENV !== 'production') {
+    if (renderCountProp !== undefined) {
+      throw new Error("renderCountProp is removed. render counting is built into the latest React Dev Tools profiling extension");
+    }
+
+    if (withRef) {
+      throw new Error('withRef is removed. To access the wrapped instance, use a ref on the connected component');
+    }
+
+    var customStoreWarningMessage = 'To use a custom Redux store for specific components, create a custom React context with ' + "React.createContext(), and pass the context object to React Redux's Provider and specific components" + ' like: <Provider context={MyContext}><ConnectedComponent context={MyContext} /></Provider>. ' + 'You may also pass a {context : MyContext} option to connect';
+
+    if (storeKey !== 'store') {
+      throw new Error('storeKey has been removed and does not do anything. ' + customStoreWarningMessage);
+    }
+  }
+
   var Context = context;
   return function wrapWithConnect(WrappedComponent) {
-    if (process.env.NODE_ENV !== 'production') {
-      invariant(isValidElementType(WrappedComponent), "You must pass a component to the function returned by " + (methodName + ". Instead received " + stringifyComponent(WrappedComponent)));
+    if (process.env.NODE_ENV !== 'production' && !isValidElementType(WrappedComponent)) {
+      throw new Error("You must pass a component to the function returned by " + (methodName + ". Instead received " + stringifyComponent(WrappedComponent)));
     }
@@ -138,4 +245,8 @@
       var didStoreComeFromContext = Boolean(contextValue) && Boolean(contextValue.store);
-      invariant(didStoreComeFromProps || didStoreComeFromContext, "Could not find \"store\" in the context of " + ("\"" + displayName + "\". Either wrap the root component in a <Provider>, ") + "or pass a custom React context provider to <Provider> and the corresponding " + ("React context consumer to " + displayName + " in connect options.")); // Based on the previous check, one of these must be true
 
+      if (process.env.NODE_ENV !== 'production' && !didStoreComeFromProps && !didStoreComeFromContext) {
+        throw new Error("Could not find \"store\" in the context of " + ("\"" + displayName + "\". Either wrap the root component in a <Provider>, ") + "or pass a custom React context provider to <Provider> and the corresponding " + ("React context consumer to " + displayName + " in connect options."));
+      } // Based on the previous check, one of these must be true
+
+
       var store = didStoreComeFromProps ? props.store : contextValue.store;
@@ -216,91 +327,5 @@ var childPropsSelector = useMemo(function () {
 
-      useIsomorphicLayoutEffect(function () {
-        // We want to capture the wrapper props and child props we used for later comparisons
-        lastWrapperProps.current = wrapperProps;
-        lastChildProps.current = actualChildProps;
-        renderIsScheduled.current = false; // If the render was from a store update, clear out that reference and cascade the subscriber update
+      useIsomorphicLayoutEffectWithArgs(captureWrapperProps, [lastWrapperProps, lastChildProps, renderIsScheduled, wrapperProps, actualChildProps, childPropsFromStoreUpdate, notifyNestedSubs]); // Our re-subscribe logic only runs when the store/subscription setup changes
 
-        if (childPropsFromStoreUpdate.current) {
-          childPropsFromStoreUpdate.current = null;
-          notifyNestedSubs();
-        }
-      }); // Our re-subscribe logic only runs when the store/subscription setup changes
-
-      useIsomorphicLayoutEffect(function () {
-        // If we're not subscribed to the store, nothing to do here
-        if (!shouldHandleStateChanges) return; // Capture values for checking if and when this component unmounts
-
-        var didUnsubscribe = false;
-        var lastThrownError = null; // We'll run this callback every time a store subscription update propagates to this component
-
-        var checkForUpdates = function checkForUpdates() {
-          if (didUnsubscribe) {
-            // Don't run stale listeners.
-            // Redux doesn't guarantee unsubscriptions happen until next dispatch.
-            return;
-          }
-
-          var latestStoreState = store.getState();
-          var newChildProps, error;
-
-          try {
-            // Actually run the selector with the most recent store state and wrapper props
-            // to determine what the child props should be
-            newChildProps = childPropsSelector(latestStoreState, lastWrapperProps.current);
-          } catch (e) {
-            error = e;
-            lastThrownError = e;
-          }
-
-          if (!error) {
-            lastThrownError = null;
-          } // If the child props haven't changed, nothing to do here - cascade the subscription update
-
-
-          if (newChildProps === lastChildProps.current) {
-            if (!renderIsScheduled.current) {
-              notifyNestedSubs();
-            }
-          } else {
-            // Save references to the new child props.  Note that we track the "child props from store update"
-            // as a ref instead of a useState/useReducer because we need a way to determine if that value has
-            // been processed.  If this went into useState/useReducer, we couldn't clear out the value without
-            // forcing another re-render, which we don't want.
-            lastChildProps.current = newChildProps;
-            childPropsFromStoreUpdate.current = newChildProps;
-            renderIsScheduled.current = true; // If the child props _did_ change (or we caught an error), this wrapper component needs to re-render
-
-            forceComponentUpdateDispatch({
-              type: 'STORE_UPDATED',
-              payload: {
-                error: error
-              }
-            });
-          }
-        }; // Actually subscribe to the nearest connected ancestor (or store)
-
-
-        subscription.onStateChange = checkForUpdates;
-        subscription.trySubscribe(); // Pull data from the store after first render in case the store has
-        // changed since we began.
-
-        checkForUpdates();
-
-        var unsubscribeWrapper = function unsubscribeWrapper() {
-          didUnsubscribe = true;
-          subscription.tryUnsubscribe();
-          subscription.onStateChange = null;
-
-          if (lastThrownError) {
-            // It's possible that we caught an error due to a bad mapState function, but the
-            // parent re-rendered without this component and we're about to unmount.
-            // This shouldn't happen as long as we do top-down subscriptions correctly, but
-            // if we ever do those wrong, this throw will surface the error in our tests.
-            // In that case, throw the error from here so it doesn't get lost.
-            throw lastThrownError;
-          }
-        };
-
-        return unsubscribeWrapper;
-      }, [store, subscription, childPropsSelector]); // Now that all that's done, we can finally try to actually render the child component.
+      useIsomorphicLayoutEffectWithArgs(subscribeUpdates, [shouldHandleStateChanges, store, subscription, childPropsSelector, lastWrapperProps, lastChildProps, renderIsScheduled, childPropsFromStoreUpdate, notifyNestedSubs, forceComponentUpdateDispatch], [store, subscription, childPropsSelector]); // Now that all that's done, we can finally try to actually render the child component.
       // We memoize the elements for the rendered child component as an optimization.
@@ -307,0 +332,0 @@

es/components/Context.js

 import React from 'react';
-export var ReactReduxContext = React.createContext(null);
+export var ReactReduxContext =
+/*#__PURE__*/
+React.createContext(null);
+
+if (process.env.NODE_ENV !== 'production') {
+  ReactReduxContext.displayName = 'ReactRedux';
+}
+
 export default ReactReduxContext;

es/components/Provider.js

@@ -40,11 +40,14 @@ import React, { useMemo, useEffect } from 'react';
 
-Provider.propTypes = {
-  store: PropTypes.shape({
-    subscribe: PropTypes.func.isRequired,
-    dispatch: PropTypes.func.isRequired,
-    getState: PropTypes.func.isRequired
-  }),
-  context: PropTypes.object,
-  children: PropTypes.any
-};
+if (process.env.NODE_ENV !== 'production') {
+  Provider.propTypes = {
+    store: PropTypes.shape({
+      subscribe: PropTypes.func.isRequired,
+      dispatch: PropTypes.func.isRequired,
+      getState: PropTypes.func.isRequired
+    }),
+    context: PropTypes.object,
+    children: PropTypes.any
+  };
+}
+
 export default Provider;

es/connect/connect.js

@@ -98,2 +98,4 @@ import _extends from "@babel/runtime/helpers/esm/extends";
 }
-export default createConnect();
+export default
+/*#__PURE__*/
+createConnect();

es/hooks/useDispatch.js

@@ -6,3 +6,3 @@ import { ReactReduxContext } from '../components/Context';
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useDispatch` hook bound to the specified context.
@@ -44,2 +44,4 @@ */
 
-export var useDispatch = createDispatchHook();
+export var useDispatch =
+/*#__PURE__*/
+createDispatchHook();

es/hooks/useReduxContext.js

 import { useContext } from 'react';
-import invariant from 'invariant';
 import { ReactReduxContext } from '../components/Context';
@@ -23,4 +22,8 @@ /**
   var contextValue = useContext(ReactReduxContext);
-  invariant(contextValue, 'could not find react-redux context value; please ensure the component is wrapped in a <Provider>');
+
+  if (process.env.NODE_ENV !== 'production' && !contextValue) {
+    throw new Error('could not find react-redux context value; please ensure the component is wrapped in a <Provider>');
+  }
+
   return contextValue;
 }

es/hooks/useSelector.js

 import { useReducer, useRef, useMemo, useContext } from 'react';
-import invariant from 'invariant';
 import { useReduxContext as useDefaultReduxContext } from './useReduxContext';
@@ -33,9 +32,7 @@ import Subscription from '../utils/Subscription';
   } catch (err) {
-    var errorMessage = "An error occurred while selecting the store state: " + err.message + ".";
-
     if (latestSubscriptionCallbackError.current) {
-      errorMessage += "\nThe error may be correlated with this previous error:\n" + latestSubscriptionCallbackError.current.stack + "\n\nOriginal stack trace:";
+      err.message += "\nThe error may be correlated with this previous error:\n" + latestSubscriptionCallbackError.current.stack + "\n\n";
     }
 
-    throw new Error(errorMessage);
+    throw err;
   }
@@ -81,3 +78,3 @@
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useSelector` hook bound to the specified context.
@@ -100,3 +97,5 @@ */
 
-    invariant(selector, "You must pass a selector to useSelectors");
+    if (process.env.NODE_ENV !== 'production' && !selector) {
+      throw new Error("You must pass a selector to useSelectors");
+    }
 
@@ -134,2 +133,4 @@ var _useReduxContext = useReduxContext(),
 
-export var useSelector = createSelectorHook();
+export var useSelector =
+/*#__PURE__*/
+createSelectorHook();

es/hooks/useStore.js

@@ -7,3 +7,3 @@ import { useContext } from 'react';
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useStore` hook bound to the specified context.
@@ -43,2 +43,4 @@ */
 
-export var useStore = createStoreHook();
+export var useStore =
+/*#__PURE__*/
+createStoreHook();

es/utils/shallowEqual.js

@@ -1,3 +0,1 @@
-var hasOwn = Object.prototype.hasOwnProperty;
-
 function is(x, y) {
@@ -23,3 +21,3 @@ if (x === y) {
   for (var i = 0; i < keysA.length; i++) {
-    if (!hasOwn.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
+    if (!Object.prototype.hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
       return false;
@@ -26,0 +24,0 @@ }

es/utils/Subscription.js

@@ -5,3 +5,2 @@ import { getBatch } from './batch'; // encapsulates the subscription logic for connecting a component to the redux store, as
 
-var CLEARED = null;
 var nullListeners = {
@@ -12,17 +11,17 @@ notify: function notify() {}
 function createListenerCollection() {
-  var batch = getBatch(); // the current/next pattern is copied from redux's createStore code.
-  // TODO: refactor+expose that code to be reusable here?
-
-  var current = [];
-  var next = [];
+  var batch = getBatch();
+  var first = null;
+  var last = null;
   return {
     clear: function clear() {
-      next = CLEARED;
-      current = CLEARED;
+      first = null;
+      last = null;
     },
     notify: function notify() {
-      var listeners = current = next;
       batch(function () {
-        for (var i = 0; i < listeners.length; i++) {
-          listeners[i]();
+        var listener = first;
+
+        while (listener) {
+          listener.callback();
+          listener = listener.next;
         }
@@ -32,13 +31,41 @@ });
     get: function get() {
-      return next;
+      var listeners = [];
+      var listener = first;
+
+      while (listener) {
+        listeners.push(listener);
+        listener = listener.next;
+      }
+
+      return listeners;
     },
-    subscribe: function subscribe(listener) {
+    subscribe: function subscribe(callback) {
       var isSubscribed = true;
-      if (next === current) next = current.slice();
-      next.push(listener);
+      var listener = last = {
+        callback: callback,
+        next: null,
+        prev: last
+      };
+
+      if (listener.prev) {
+        listener.prev.next = listener;
+      } else {
+        first = listener;
+      }
+
       return function unsubscribe() {
-        if (!isSubscribed || current === CLEARED) return;
+        if (!isSubscribed || first === null) return;
         isSubscribed = false;
-        if (next === current) next = current.slice();
-        next.splice(next.indexOf(listener), 1);
+
+        if (listener.next) {
+          listener.next.prev = listener.prev;
+        } else {
+          last = listener.prev;
+        }
+
+        if (listener.prev) {
+          listener.prev.next = listener.next;
+        } else {
+          first = listener.next;
+        }
       };
@@ -45,0 +72,0 @@ }

es/utils/useIsomorphicLayoutEffect.js

@@ -10,3 +10,2 @@ import { useEffect, useLayoutEffect } from 'react'; // React currently throws a warning when using useLayoutEffect on the server.
 
-var isHopefullyDomEnvironment = typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined';
-export var useIsomorphicLayoutEffect = isHopefullyDomEnvironment ? useLayoutEffect : useEffect;
+export var useIsomorphicLayoutEffect = typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined' ? useLayoutEffect : useEffect;

lib/components/connectAdvanced.js

@@ -16,4 +16,2 @@ "use strict";
 
-var _invariant = _interopRequireDefault(require("invariant"));
-
 var _react = _interopRequireWildcard(require("react"));
@@ -46,2 +44,98 @@
 
+function useIsomorphicLayoutEffectWithArgs(effectFunc, effectArgs, dependencies) {
+  (0, _useIsomorphicLayoutEffect.useIsomorphicLayoutEffect)(function () {
+    return effectFunc.apply(void 0, effectArgs);
+  }, dependencies);
+}
+
+function captureWrapperProps(lastWrapperProps, lastChildProps, renderIsScheduled, wrapperProps, actualChildProps, childPropsFromStoreUpdate, notifyNestedSubs) {
+  // We want to capture the wrapper props and child props we used for later comparisons
+  lastWrapperProps.current = wrapperProps;
+  lastChildProps.current = actualChildProps;
+  renderIsScheduled.current = false; // If the render was from a store update, clear out that reference and cascade the subscriber update
+
+  if (childPropsFromStoreUpdate.current) {
+    childPropsFromStoreUpdate.current = null;
+    notifyNestedSubs();
+  }
+}
+
+function subscribeUpdates(shouldHandleStateChanges, store, subscription, childPropsSelector, lastWrapperProps, lastChildProps, renderIsScheduled, childPropsFromStoreUpdate, notifyNestedSubs, forceComponentUpdateDispatch) {
+  // If we're not subscribed to the store, nothing to do here
+  if (!shouldHandleStateChanges) return; // Capture values for checking if and when this component unmounts
+
+  var didUnsubscribe = false;
+  var lastThrownError = null; // We'll run this callback every time a store subscription update propagates to this component
+
+  var checkForUpdates = function checkForUpdates() {
+    if (didUnsubscribe) {
+      // Don't run stale listeners.
+      // Redux doesn't guarantee unsubscriptions happen until next dispatch.
+      return;
+    }
+
+    var latestStoreState = store.getState();
+    var newChildProps, error;
+
+    try {
+      // Actually run the selector with the most recent store state and wrapper props
+      // to determine what the child props should be
+      newChildProps = childPropsSelector(latestStoreState, lastWrapperProps.current);
+    } catch (e) {
+      error = e;
+      lastThrownError = e;
+    }
+
+    if (!error) {
+      lastThrownError = null;
+    } // If the child props haven't changed, nothing to do here - cascade the subscription update
+
+
+    if (newChildProps === lastChildProps.current) {
+      if (!renderIsScheduled.current) {
+        notifyNestedSubs();
+      }
+    } else {
+      // Save references to the new child props.  Note that we track the "child props from store update"
+      // as a ref instead of a useState/useReducer because we need a way to determine if that value has
+      // been processed.  If this went into useState/useReducer, we couldn't clear out the value without
+      // forcing another re-render, which we don't want.
+      lastChildProps.current = newChildProps;
+      childPropsFromStoreUpdate.current = newChildProps;
+      renderIsScheduled.current = true; // If the child props _did_ change (or we caught an error), this wrapper component needs to re-render
+
+      forceComponentUpdateDispatch({
+        type: 'STORE_UPDATED',
+        payload: {
+          error: error
+        }
+      });
+    }
+  }; // Actually subscribe to the nearest connected ancestor (or store)
+
+
+  subscription.onStateChange = checkForUpdates;
+  subscription.trySubscribe(); // Pull data from the store after first render in case the store has
+  // changed since we began.
+
+  checkForUpdates();
+
+  var unsubscribeWrapper = function unsubscribeWrapper() {
+    didUnsubscribe = true;
+    subscription.tryUnsubscribe();
+    subscription.onStateChange = null;
+
+    if (lastThrownError) {
+      // It's possible that we caught an error due to a bad mapState function, but the
+      // parent re-rendered without this component and we're about to unmount.
+      // This shouldn't happen as long as we do top-down subscriptions correctly, but
+      // if we ever do those wrong, this throw will surface the error in our tests.
+      // In that case, throw the error from here so it doesn't get lost.
+      throw lastThrownError;
+    }
+  };
+
+  return unsubscribeWrapper;
+}
+
 var initStateUpdates = function initStateUpdates() {
@@ -92,10 +186,23 @@ return [null, 0];
       connectOptions = (0, _objectWithoutPropertiesLoose2["default"])(_ref2, ["getDisplayName", "methodName", "renderCountProp", "shouldHandleStateChanges", "storeKey", "withRef", "forwardRef", "context"]);
-  (0, _invariant["default"])(renderCountProp === undefined, "renderCountProp is removed. render counting is built into the latest React Dev Tools profiling extension");
-  (0, _invariant["default"])(!withRef, 'withRef is removed. To access the wrapped instance, use a ref on the connected component');
-  var customStoreWarningMessage = 'To use a custom Redux store for specific components, create a custom React context with ' + "React.createContext(), and pass the context object to React Redux's Provider and specific components" + ' like: <Provider context={MyContext}><ConnectedComponent context={MyContext} /></Provider>. ' + 'You may also pass a {context : MyContext} option to connect';
-  (0, _invariant["default"])(storeKey === 'store', 'storeKey has been removed and does not do anything. ' + customStoreWarningMessage);
+
+  if (process.env.NODE_ENV !== 'production') {
+    if (renderCountProp !== undefined) {
+      throw new Error("renderCountProp is removed. render counting is built into the latest React Dev Tools profiling extension");
+    }
+
+    if (withRef) {
+      throw new Error('withRef is removed. To access the wrapped instance, use a ref on the connected component');
+    }
+
+    var customStoreWarningMessage = 'To use a custom Redux store for specific components, create a custom React context with ' + "React.createContext(), and pass the context object to React Redux's Provider and specific components" + ' like: <Provider context={MyContext}><ConnectedComponent context={MyContext} /></Provider>. ' + 'You may also pass a {context : MyContext} option to connect';
+
+    if (storeKey !== 'store') {
+      throw new Error('storeKey has been removed and does not do anything. ' + customStoreWarningMessage);
+    }
+  }
+
   var Context = context;
   return function wrapWithConnect(WrappedComponent) {
-    if (process.env.NODE_ENV !== 'production') {
-      (0, _invariant["default"])((0, _reactIs.isValidElementType)(WrappedComponent), "You must pass a component to the function returned by " + (methodName + ". Instead received " + stringifyComponent(WrappedComponent)));
+    if (process.env.NODE_ENV !== 'production' && !(0, _reactIs.isValidElementType)(WrappedComponent)) {
+      throw new Error("You must pass a component to the function returned by " + (methodName + ". Instead received " + stringifyComponent(WrappedComponent)));
     }
@@ -153,4 +260,8 @@
       var didStoreComeFromContext = Boolean(contextValue) && Boolean(contextValue.store);
-      (0, _invariant["default"])(didStoreComeFromProps || didStoreComeFromContext, "Could not find \"store\" in the context of " + ("\"" + displayName + "\". Either wrap the root component in a <Provider>, ") + "or pass a custom React context provider to <Provider> and the corresponding " + ("React context consumer to " + displayName + " in connect options.")); // Based on the previous check, one of these must be true
 
+      if (process.env.NODE_ENV !== 'production' && !didStoreComeFromProps && !didStoreComeFromContext) {
+        throw new Error("Could not find \"store\" in the context of " + ("\"" + displayName + "\". Either wrap the root component in a <Provider>, ") + "or pass a custom React context provider to <Provider> and the corresponding " + ("React context consumer to " + displayName + " in connect options."));
+      } // Based on the previous check, one of these must be true
+
+
       var store = didStoreComeFromProps ? props.store : contextValue.store;
@@ -231,91 +342,5 @@ var childPropsSelector = (0, _react.useMemo)(function () {
 
-      (0, _useIsomorphicLayoutEffect.useIsomorphicLayoutEffect)(function () {
-        // We want to capture the wrapper props and child props we used for later comparisons
-        lastWrapperProps.current = wrapperProps;
-        lastChildProps.current = actualChildProps;
-        renderIsScheduled.current = false; // If the render was from a store update, clear out that reference and cascade the subscriber update
+      useIsomorphicLayoutEffectWithArgs(captureWrapperProps, [lastWrapperProps, lastChildProps, renderIsScheduled, wrapperProps, actualChildProps, childPropsFromStoreUpdate, notifyNestedSubs]); // Our re-subscribe logic only runs when the store/subscription setup changes
 
-        if (childPropsFromStoreUpdate.current) {
-          childPropsFromStoreUpdate.current = null;
-          notifyNestedSubs();
-        }
-      }); // Our re-subscribe logic only runs when the store/subscription setup changes
-
-      (0, _useIsomorphicLayoutEffect.useIsomorphicLayoutEffect)(function () {
-        // If we're not subscribed to the store, nothing to do here
-        if (!shouldHandleStateChanges) return; // Capture values for checking if and when this component unmounts
-
-        var didUnsubscribe = false;
-        var lastThrownError = null; // We'll run this callback every time a store subscription update propagates to this component
-
-        var checkForUpdates = function checkForUpdates() {
-          if (didUnsubscribe) {
-            // Don't run stale listeners.
-            // Redux doesn't guarantee unsubscriptions happen until next dispatch.
-            return;
-          }
-
-          var latestStoreState = store.getState();
-          var newChildProps, error;
-
-          try {
-            // Actually run the selector with the most recent store state and wrapper props
-            // to determine what the child props should be
-            newChildProps = childPropsSelector(latestStoreState, lastWrapperProps.current);
-          } catch (e) {
-            error = e;
-            lastThrownError = e;
-          }
-
-          if (!error) {
-            lastThrownError = null;
-          } // If the child props haven't changed, nothing to do here - cascade the subscription update
-
-
-          if (newChildProps === lastChildProps.current) {
-            if (!renderIsScheduled.current) {
-              notifyNestedSubs();
-            }
-          } else {
-            // Save references to the new child props.  Note that we track the "child props from store update"
-            // as a ref instead of a useState/useReducer because we need a way to determine if that value has
-            // been processed.  If this went into useState/useReducer, we couldn't clear out the value without
-            // forcing another re-render, which we don't want.
-            lastChildProps.current = newChildProps;
-            childPropsFromStoreUpdate.current = newChildProps;
-            renderIsScheduled.current = true; // If the child props _did_ change (or we caught an error), this wrapper component needs to re-render
-
-            forceComponentUpdateDispatch({
-              type: 'STORE_UPDATED',
-              payload: {
-                error: error
-              }
-            });
-          }
-        }; // Actually subscribe to the nearest connected ancestor (or store)
-
-
-        subscription.onStateChange = checkForUpdates;
-        subscription.trySubscribe(); // Pull data from the store after first render in case the store has
-        // changed since we began.
-
-        checkForUpdates();
-
-        var unsubscribeWrapper = function unsubscribeWrapper() {
-          didUnsubscribe = true;
-          subscription.tryUnsubscribe();
-          subscription.onStateChange = null;
-
-          if (lastThrownError) {
-            // It's possible that we caught an error due to a bad mapState function, but the
-            // parent re-rendered without this component and we're about to unmount.
-            // This shouldn't happen as long as we do top-down subscriptions correctly, but
-            // if we ever do those wrong, this throw will surface the error in our tests.
-            // In that case, throw the error from here so it doesn't get lost.
-            throw lastThrownError;
-          }
-        };
-
-        return unsubscribeWrapper;
-      }, [store, subscription, childPropsSelector]); // Now that all that's done, we can finally try to actually render the child component.
+      useIsomorphicLayoutEffectWithArgs(subscribeUpdates, [shouldHandleStateChanges, store, subscription, childPropsSelector, lastWrapperProps, lastChildProps, renderIsScheduled, childPropsFromStoreUpdate, notifyNestedSubs, forceComponentUpdateDispatch], [store, subscription, childPropsSelector]); // Now that all that's done, we can finally try to actually render the child component.
       // We memoize the elements for the rendered child component as an optimization.
@@ -322,0 +347,0 @@

lib/components/Context.js

@@ -10,6 +10,13 @@ "use strict";
 
-var ReactReduxContext = _react["default"].createContext(null);
+var ReactReduxContext =
+/*#__PURE__*/
+_react["default"].createContext(null);
 
 exports.ReactReduxContext = ReactReduxContext;
+
+if (process.env.NODE_ENV !== 'production') {
+  ReactReduxContext.displayName = 'ReactRedux';
+}
+
 var _default = ReactReduxContext;
 exports["default"] = _default;

lib/components/Provider.js

@@ -52,12 +52,15 @@ "use strict";
 
-Provider.propTypes = {
-  store: _propTypes["default"].shape({
-    subscribe: _propTypes["default"].func.isRequired,
-    dispatch: _propTypes["default"].func.isRequired,
-    getState: _propTypes["default"].func.isRequired
-  }),
-  context: _propTypes["default"].object,
-  children: _propTypes["default"].any
-};
+if (process.env.NODE_ENV !== 'production') {
+  Provider.propTypes = {
+    store: _propTypes["default"].shape({
+      subscribe: _propTypes["default"].func.isRequired,
+      dispatch: _propTypes["default"].func.isRequired,
+      getState: _propTypes["default"].func.isRequired
+    }),
+    context: _propTypes["default"].object,
+    children: _propTypes["default"].any
+  };
+}
+
 var _default = Provider;
 exports["default"] = _default;

lib/connect/connect.js

@@ -113,4 +113,6 @@ "use strict";
 
-var _default = createConnect();
+var _default =
+/*#__PURE__*/
+createConnect();
 
 exports["default"] = _default;

lib/hooks/useDispatch.js

@@ -14,3 +14,3 @@ "use strict";
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useDispatch` hook bound to the specified context.
@@ -52,3 +52,5 @@ */
 
-var useDispatch = createDispatchHook();
+var useDispatch =
+/*#__PURE__*/
+createDispatchHook();
 exports.useDispatch = useDispatch;

lib/hooks/useReduxContext.js

 "use strict";
 
-var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
-
 exports.__esModule = true;
@@ -10,4 +8,2 @@ exports.useReduxContext = useReduxContext;
 
-var _invariant = _interopRequireDefault(require("invariant"));
-
 var _Context = require("../components/Context");
@@ -33,4 +29,8 @@
   var contextValue = (0, _react.useContext)(_Context.ReactReduxContext);
-  (0, _invariant["default"])(contextValue, 'could not find react-redux context value; please ensure the component is wrapped in a <Provider>');
+
+  if (process.env.NODE_ENV !== 'production' && !contextValue) {
+    throw new Error('could not find react-redux context value; please ensure the component is wrapped in a <Provider>');
+  }
+
   return contextValue;
 }

lib/hooks/useSelector.js

@@ -11,4 +11,2 @@ "use strict";
 
-var _invariant = _interopRequireDefault(require("invariant"));
-
 var _useReduxContext2 = require("./useReduxContext");
@@ -47,9 +45,7 @@
   } catch (err) {
-    var errorMessage = "An error occurred while selecting the store state: " + err.message + ".";
-
     if (latestSubscriptionCallbackError.current) {
-      errorMessage += "\nThe error may be correlated with this previous error:\n" + latestSubscriptionCallbackError.current.stack + "\n\nOriginal stack trace:";
+      err.message += "\nThe error may be correlated with this previous error:\n" + latestSubscriptionCallbackError.current.stack + "\n\n";
     }
 
-    throw new Error(errorMessage);
+    throw err;
   }
@@ -95,3 +91,3 @@
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useSelector` hook bound to the specified context.
@@ -114,3 +110,5 @@ */
 
-    (0, _invariant["default"])(selector, "You must pass a selector to useSelectors");
+    if (process.env.NODE_ENV !== 'production' && !selector) {
+      throw new Error("You must pass a selector to useSelectors");
+    }
 
@@ -149,3 +147,5 @@ var _useReduxContext = useReduxContext(),
 
-var useSelector = createSelectorHook();
+var useSelector =
+/*#__PURE__*/
+createSelectorHook();
 exports.useSelector = useSelector;

lib/hooks/useStore.js

@@ -16,3 +16,3 @@ "use strict";
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useStore` hook bound to the specified context.
@@ -52,3 +52,5 @@ */
 
-var useStore = createStoreHook();
+var useStore =
+/*#__PURE__*/
+createStoreHook();
 exports.useStore = useStore;

lib/utils/shallowEqual.js

@@ -5,3 +5,2 @@ "use strict";
 exports["default"] = shallowEqual;
-var hasOwn = Object.prototype.hasOwnProperty;
 
@@ -28,3 +27,3 @@ function is(x, y) {
   for (var i = 0; i < keysA.length; i++) {
-    if (!hasOwn.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
+    if (!Object.prototype.hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
       return false;
@@ -31,0 +30,0 @@ }

lib/utils/Subscription.js

@@ -11,3 +11,2 @@ "use strict";
 // ancestor components re-render before descendants
-var CLEARED = null;
 var nullListeners = {
@@ -18,17 +17,17 @@ notify: function notify() {}
 function createListenerCollection() {
-  var batch = (0, _batch.getBatch)(); // the current/next pattern is copied from redux's createStore code.
-  // TODO: refactor+expose that code to be reusable here?
-
-  var current = [];
-  var next = [];
+  var batch = (0, _batch.getBatch)();
+  var first = null;
+  var last = null;
   return {
     clear: function clear() {
-      next = CLEARED;
-      current = CLEARED;
+      first = null;
+      last = null;
     },
     notify: function notify() {
-      var listeners = current = next;
       batch(function () {
-        for (var i = 0; i < listeners.length; i++) {
-          listeners[i]();
+        var listener = first;
+
+        while (listener) {
+          listener.callback();
+          listener = listener.next;
         }
@@ -38,13 +37,41 @@ });
     get: function get() {
-      return next;
+      var listeners = [];
+      var listener = first;
+
+      while (listener) {
+        listeners.push(listener);
+        listener = listener.next;
+      }
+
+      return listeners;
     },
-    subscribe: function subscribe(listener) {
+    subscribe: function subscribe(callback) {
       var isSubscribed = true;
-      if (next === current) next = current.slice();
-      next.push(listener);
+      var listener = last = {
+        callback: callback,
+        next: null,
+        prev: last
+      };
+
+      if (listener.prev) {
+        listener.prev.next = listener;
+      } else {
+        first = listener;
+      }
+
       return function unsubscribe() {
-        if (!isSubscribed || current === CLEARED) return;
+        if (!isSubscribed || first === null) return;
         isSubscribed = false;
-        if (next === current) next = current.slice();
-        next.splice(next.indexOf(listener), 1);
+
+        if (listener.next) {
+          listener.next.prev = listener.prev;
+        } else {
+          last = listener.prev;
+        }
+
+        if (listener.prev) {
+          listener.prev.next = listener.next;
+        } else {
+          first = listener.next;
+        }
       };
@@ -51,0 +78,0 @@ }

lib/utils/useIsomorphicLayoutEffect.js

@@ -16,4 +16,3 @@ "use strict";
 // subscription is created and an inconsistent state may be observed
-var isHopefullyDomEnvironment = typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined';
-var useIsomorphicLayoutEffect = isHopefullyDomEnvironment ? _react.useLayoutEffect : _react.useEffect;
+var useIsomorphicLayoutEffect = typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined' ? _react.useLayoutEffect : _react.useEffect;
 exports.useIsomorphicLayoutEffect = useIsomorphicLayoutEffect;

package.json

 {
   "name": "react-redux",
-  "version": "7.1.3",
+  "version": "7.2.0",
   "description": "Official React bindings for Redux",
@@ -53,3 +53,2 @@ "keywords": [
     "hoist-non-react-statics": "^3.3.0",
-    "invariant": "^2.2.4",
     "loose-envify": "^1.4.0",
@@ -56,0 +55,0 @@ "prop-types": "^15.7.2",

src/components/connectAdvanced.js

 import hoistStatics from 'hoist-non-react-statics'
-import invariant from 'invariant'
 import React, { useContext, useMemo, useRef, useReducer } from 'react'
@@ -27,2 +26,127 @@ import { isValidElementType, isContextConsumer } from 'react-is'
 
+function useIsomorphicLayoutEffectWithArgs(
+  effectFunc,
+  effectArgs,
+  dependencies
+) {
+  useIsomorphicLayoutEffect(() => effectFunc(...effectArgs), dependencies)
+}
+
+function captureWrapperProps(
+  lastWrapperProps,
+  lastChildProps,
+  renderIsScheduled,
+  wrapperProps,
+  actualChildProps,
+  childPropsFromStoreUpdate,
+  notifyNestedSubs
+) {
+  // We want to capture the wrapper props and child props we used for later comparisons
+  lastWrapperProps.current = wrapperProps
+  lastChildProps.current = actualChildProps
+  renderIsScheduled.current = false
+
+  // If the render was from a store update, clear out that reference and cascade the subscriber update
+  if (childPropsFromStoreUpdate.current) {
+    childPropsFromStoreUpdate.current = null
+    notifyNestedSubs()
+  }
+}
+
+function subscribeUpdates(
+  shouldHandleStateChanges,
+  store,
+  subscription,
+  childPropsSelector,
+  lastWrapperProps,
+  lastChildProps,
+  renderIsScheduled,
+  childPropsFromStoreUpdate,
+  notifyNestedSubs,
+  forceComponentUpdateDispatch
+) {
+  // If we're not subscribed to the store, nothing to do here
+  if (!shouldHandleStateChanges) return
+
+  // Capture values for checking if and when this component unmounts
+  let didUnsubscribe = false
+  let lastThrownError = null
+
+  // We'll run this callback every time a store subscription update propagates to this component
+  const checkForUpdates = () => {
+    if (didUnsubscribe) {
+      // Don't run stale listeners.
+      // Redux doesn't guarantee unsubscriptions happen until next dispatch.
+      return
+    }
+
+    const latestStoreState = store.getState()
+
+    let newChildProps, error
+    try {
+      // Actually run the selector with the most recent store state and wrapper props
+      // to determine what the child props should be
+      newChildProps = childPropsSelector(
+        latestStoreState,
+        lastWrapperProps.current
+      )
+    } catch (e) {
+      error = e
+      lastThrownError = e
+    }
+
+    if (!error) {
+      lastThrownError = null
+    }
+
+    // If the child props haven't changed, nothing to do here - cascade the subscription update
+    if (newChildProps === lastChildProps.current) {
+      if (!renderIsScheduled.current) {
+        notifyNestedSubs()
+      }
+    } else {
+      // Save references to the new child props.  Note that we track the "child props from store update"
+      // as a ref instead of a useState/useReducer because we need a way to determine if that value has
+      // been processed.  If this went into useState/useReducer, we couldn't clear out the value without
+      // forcing another re-render, which we don't want.
+      lastChildProps.current = newChildProps
+      childPropsFromStoreUpdate.current = newChildProps
+      renderIsScheduled.current = true
+
+      // If the child props _did_ change (or we caught an error), this wrapper component needs to re-render
+      forceComponentUpdateDispatch({
+        type: 'STORE_UPDATED',
+        payload: {
+          error
+        }
+      })
+    }
+  }
+
+  // Actually subscribe to the nearest connected ancestor (or store)
+  subscription.onStateChange = checkForUpdates
+  subscription.trySubscribe()
+
+  // Pull data from the store after first render in case the store has
+  // changed since we began.
+  checkForUpdates()
+
+  const unsubscribeWrapper = () => {
+    didUnsubscribe = true
+    subscription.tryUnsubscribe()
+    subscription.onStateChange = null
+
+    if (lastThrownError) {
+      // It's possible that we caught an error due to a bad mapState function, but the
+      // parent re-rendered without this component and we're about to unmount.
+      // This shouldn't happen as long as we do top-down subscriptions correctly, but
+      // if we ever do those wrong, this throw will surface the error in our tests.
+      // In that case, throw the error from here so it doesn't get lost.
+      throw lastThrownError
+    }
+  }
+
+  return unsubscribeWrapper
+}
+
 const initStateUpdates = () => [null, 0]
@@ -82,30 +206,36 @@
 ) {
-  invariant(
-    renderCountProp === undefined,
-    `renderCountProp is removed. render counting is built into the latest React Dev Tools profiling extension`
-  )
+  if (process.env.NODE_ENV !== 'production') {
+    if (renderCountProp !== undefined) {
+      throw new Error(
+        `renderCountProp is removed. render counting is built into the latest React Dev Tools profiling extension`
+      )
+    }
+    if (withRef) {
+      throw new Error(
+        'withRef is removed. To access the wrapped instance, use a ref on the connected component'
+      )
+    }
 
-  invariant(
-    !withRef,
-    'withRef is removed. To access the wrapped instance, use a ref on the connected component'
-  )
+    const customStoreWarningMessage =
+      'To use a custom Redux store for specific components, create a custom React context with ' +
+      "React.createContext(), and pass the context object to React Redux's Provider and specific components" +
+      ' like: <Provider context={MyContext}><ConnectedComponent context={MyContext} /></Provider>. ' +
+      'You may also pass a {context : MyContext} option to connect'
 
-  const customStoreWarningMessage =
-    'To use a custom Redux store for specific components, create a custom React context with ' +
-    "React.createContext(), and pass the context object to React Redux's Provider and specific components" +
-    ' like: <Provider context={MyContext}><ConnectedComponent context={MyContext} /></Provider>. ' +
-    'You may also pass a {context : MyContext} option to connect'
+    if (storeKey !== 'store') {
+      throw new Error(
+        'storeKey has been removed and does not do anything. ' +
+          customStoreWarningMessage
+      )
+    }
+  }
 
-  invariant(
-    storeKey === 'store',
-    'storeKey has been removed and does not do anything. ' +
-      customStoreWarningMessage
-  )
-
   const Context = context
 
   return function wrapWithConnect(WrappedComponent) {
-    if (process.env.NODE_ENV !== 'production') {
-      invariant(
-        isValidElementType(WrappedComponent),
+    if (
+      process.env.NODE_ENV !== 'production' &&
+      !isValidElementType(WrappedComponent)
+    ) {
+      throw new Error(
         `You must pass a component to the function returned by ` +
@@ -178,9 +308,14 @@ `${methodName}. Instead received ${stringifyComponent(
 
-      invariant(
-        didStoreComeFromProps || didStoreComeFromContext,
-        `Could not find "store" in the context of ` +
-          `"${displayName}". Either wrap the root component in a <Provider>, ` +
-          `or pass a custom React context provider to <Provider> and the corresponding ` +
-          `React context consumer to ${displayName} in connect options.`
-      )
+      if (
+        process.env.NODE_ENV !== 'production' &&
+        !didStoreComeFromProps &&
+        !didStoreComeFromContext
+      ) {
+        throw new Error(
+          `Could not find "store" in the context of ` +
+            `"${displayName}". Either wrap the root component in a <Provider>, ` +
+            `or pass a custom React context provider to <Provider> and the corresponding ` +
+            `React context consumer to ${displayName} in connect options.`
+        )
+      }
 
@@ -277,101 +412,30 @@ // Based on the previous check, one of these must be true
       // just useEffect instead to avoid the warning, since neither will run anyway.
-      useIsomorphicLayoutEffect(() => {
-        // We want to capture the wrapper props and child props we used for later comparisons
-        lastWrapperProps.current = wrapperProps
-        lastChildProps.current = actualChildProps
-        renderIsScheduled.current = false
+      useIsomorphicLayoutEffectWithArgs(captureWrapperProps, [
+        lastWrapperProps,
+        lastChildProps,
+        renderIsScheduled,
+        wrapperProps,
+        actualChildProps,
+        childPropsFromStoreUpdate,
+        notifyNestedSubs
+      ])
 
-        // If the render was from a store update, clear out that reference and cascade the subscriber update
-        if (childPropsFromStoreUpdate.current) {
-          childPropsFromStoreUpdate.current = null
-          notifyNestedSubs()
-        }
-      })
-
       // Our re-subscribe logic only runs when the store/subscription setup changes
-      useIsomorphicLayoutEffect(() => {
-        // If we're not subscribed to the store, nothing to do here
-        if (!shouldHandleStateChanges) return
+      useIsomorphicLayoutEffectWithArgs(
+        subscribeUpdates,
+        [
+          shouldHandleStateChanges,
+          store,
+          subscription,
+          childPropsSelector,
+          lastWrapperProps,
+          lastChildProps,
+          renderIsScheduled,
+          childPropsFromStoreUpdate,
+          notifyNestedSubs,
+          forceComponentUpdateDispatch
+        ],
+        [store, subscription, childPropsSelector]
+      )
 
-        // Capture values for checking if and when this component unmounts
-        let didUnsubscribe = false
-        let lastThrownError = null
-
-        // We'll run this callback every time a store subscription update propagates to this component
-        const checkForUpdates = () => {
-          if (didUnsubscribe) {
-            // Don't run stale listeners.
-            // Redux doesn't guarantee unsubscriptions happen until next dispatch.
-            return
-          }
-
-          const latestStoreState = store.getState()
-
-          let newChildProps, error
-          try {
-            // Actually run the selector with the most recent store state and wrapper props
-            // to determine what the child props should be
-            newChildProps = childPropsSelector(
-              latestStoreState,
-              lastWrapperProps.current
-            )
-          } catch (e) {
-            error = e
-            lastThrownError = e
-          }
-
-          if (!error) {
-            lastThrownError = null
-          }
-
-          // If the child props haven't changed, nothing to do here - cascade the subscription update
-          if (newChildProps === lastChildProps.current) {
-            if (!renderIsScheduled.current) {
-              notifyNestedSubs()
-            }
-          } else {
-            // Save references to the new child props.  Note that we track the "child props from store update"
-            // as a ref instead of a useState/useReducer because we need a way to determine if that value has
-            // been processed.  If this went into useState/useReducer, we couldn't clear out the value without
-            // forcing another re-render, which we don't want.
-            lastChildProps.current = newChildProps
-            childPropsFromStoreUpdate.current = newChildProps
-            renderIsScheduled.current = true
-
-            // If the child props _did_ change (or we caught an error), this wrapper component needs to re-render
-            forceComponentUpdateDispatch({
-              type: 'STORE_UPDATED',
-              payload: {
-                error
-              }
-            })
-          }
-        }
-
-        // Actually subscribe to the nearest connected ancestor (or store)
-        subscription.onStateChange = checkForUpdates
-        subscription.trySubscribe()
-
-        // Pull data from the store after first render in case the store has
-        // changed since we began.
-        checkForUpdates()
-
-        const unsubscribeWrapper = () => {
-          didUnsubscribe = true
-          subscription.tryUnsubscribe()
-          subscription.onStateChange = null
-
-          if (lastThrownError) {
-            // It's possible that we caught an error due to a bad mapState function, but the
-            // parent re-rendered without this component and we're about to unmount.
-            // This shouldn't happen as long as we do top-down subscriptions correctly, but
-            // if we ever do those wrong, this throw will surface the error in our tests.
-            // In that case, throw the error from here so it doesn't get lost.
-            throw lastThrownError
-          }
-        }
-
-        return unsubscribeWrapper
-      }, [store, subscription, childPropsSelector])
-
       // Now that all that's done, we can finally try to actually render the child component.
@@ -378,0 +442,0 @@ // We memoize the elements for the rendered child component as an optimization.

src/components/Context.js

 import React from 'react'
 
-export const ReactReduxContext = React.createContext(null)
+export const ReactReduxContext = /*#__PURE__*/ React.createContext(null)
 
+if (process.env.NODE_ENV !== 'production') {
+  ReactReduxContext.displayName = 'ReactRedux'
+}
+
 export default ReactReduxContext

src/components/Provider.js

@@ -36,12 +36,14 @@ import React, { useMemo, useEffect } from 'react'
 
-Provider.propTypes = {
-  store: PropTypes.shape({
-    subscribe: PropTypes.func.isRequired,
-    dispatch: PropTypes.func.isRequired,
-    getState: PropTypes.func.isRequired
-  }),
-  context: PropTypes.object,
-  children: PropTypes.any
+if (process.env.NODE_ENV !== 'production') {
+  Provider.propTypes = {
+    store: PropTypes.shape({
+      subscribe: PropTypes.func.isRequired,
+      dispatch: PropTypes.func.isRequired,
+      getState: PropTypes.func.isRequired
+    }),
+    context: PropTypes.object,
+    children: PropTypes.any
+  }
 }
 
 export default Provider

src/connect/connect.js

@@ -104,2 +104,2 @@ import connectAdvanced from '../components/connectAdvanced'
 
-export default createConnect()
+export default /*#__PURE__*/ createConnect()

src/hooks/useDispatch.js

@@ -7,3 +7,3 @@ import { ReactReduxContext } from '../components/Context'
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useDispatch` hook bound to the specified context.
@@ -14,2 +14,3 @@ */
     context === ReactReduxContext ? useDefaultStore : createStoreHook(context)
+
   return function useDispatch() {
@@ -42,2 +43,2 @@ const store = useStore()
  */
-export const useDispatch = createDispatchHook()
+export const useDispatch = /*#__PURE__*/ createDispatchHook()

src/hooks/useReduxContext.js

 import { useContext } from 'react'
-import invariant from 'invariant'
 import { ReactReduxContext } from '../components/Context'
@@ -24,8 +23,9 @@
 
-  invariant(
-    contextValue,
-    'could not find react-redux context value; please ensure the component is wrapped in a <Provider>'
-  )
+  if (process.env.NODE_ENV !== 'production' && !contextValue) {
+    throw new Error(
+      'could not find react-redux context value; please ensure the component is wrapped in a <Provider>'
+    )
+  }
 
   return contextValue
 }

src/hooks/useSelector.js

 import { useReducer, useRef, useMemo, useContext } from 'react'
-import invariant from 'invariant'
 import { useReduxContext as useDefaultReduxContext } from './useReduxContext'
@@ -39,9 +38,7 @@ import Subscription from '../utils/Subscription'
   } catch (err) {
-    let errorMessage = `An error occurred while selecting the store state: ${err.message}.`
-
     if (latestSubscriptionCallbackError.current) {
-      errorMessage += `\nThe error may be correlated with this previous error:\n${latestSubscriptionCallbackError.current.stack}\n\nOriginal stack trace:`
+      err.message += `\nThe error may be correlated with this previous error:\n${latestSubscriptionCallbackError.current.stack}\n\n`
     }
 
-    throw new Error(errorMessage)
+    throw err
   }
@@ -90,3 +87,3 @@
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useSelector` hook bound to the specified context.
@@ -100,4 +97,5 @@ */
   return function useSelector(selector, equalityFn = refEquality) {
-    invariant(selector, `You must pass a selector to useSelectors`)
-
+    if (process.env.NODE_ENV !== 'production' && !selector) {
+      throw new Error(`You must pass a selector to useSelectors`)
+    }
     const { store, subscription: contextSub } = useReduxContext()
@@ -137,2 +135,2 @@
  */
-export const useSelector = createSelectorHook()
+export const useSelector = /*#__PURE__*/ createSelectorHook()

src/hooks/useStore.js

@@ -8,3 +8,3 @@ import { useContext } from 'react'
  *
- * @param {Function} [context=ReactReduxContext] Context passed to your `<Provider>`.
+ * @param {React.Context} [context=ReactReduxContext] Context passed to your `<Provider>`.
  * @returns {Function} A `useStore` hook bound to the specified context.
@@ -38,2 +38,2 @@ */
  */
-export const useStore = createStoreHook()
+export const useStore = /*#__PURE__*/ createStoreHook()

src/utils/shallowEqual.js

@@ -1,3 +0,1 @@
-const hasOwn = Object.prototype.hasOwnProperty
-
 function is(x, y) {
@@ -29,3 +27,6 @@ if (x === y) {
   for (let i = 0; i < keysA.length; i++) {
-    if (!hasOwn.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
+    if (
+      !Object.prototype.hasOwnProperty.call(objB, keysA[i]) ||
+      !is(objA[keysA[i]], objB[keysA[i]])
+    ) {
       return false
@@ -32,0 +33,0 @@ }

src/utils/Subscription.js

@@ -7,3 +7,2 @@ import { getBatch } from './batch'
 
-const CLEARED = null
 const nullListeners = { notify() {} }
@@ -13,18 +12,17 @@
   const batch = getBatch()
-  // the current/next pattern is copied from redux's createStore code.
-  // TODO: refactor+expose that code to be reusable here?
-  let current = []
-  let next = []
+  let first = null
+  let last = null
 
   return {
     clear() {
-      next = CLEARED
-      current = CLEARED
+      first = null
+      last = null
     },
 
     notify() {
-      const listeners = (current = next)
       batch(() => {
-        for (let i = 0; i < listeners.length; i++) {
-          listeners[i]()
+        let listener = first
+        while (listener) {
+          listener.callback()
+          listener = listener.next
         }
@@ -35,16 +33,40 @@ })
     get() {
-      return next
+      let listeners = []
+      let listener = first
+      while (listener) {
+        listeners.push(listener)
+        listener = listener.next
+      }
+      return listeners
     },
 
-    subscribe(listener) {
+    subscribe(callback) {
       let isSubscribed = true
-      if (next === current) next = current.slice()
-      next.push(listener)
 
+      let listener = (last = {
+        callback,
+        next: null,
+        prev: last
+      })
+
+      if (listener.prev) {
+        listener.prev.next = listener
+      } else {
+        first = listener
+      }
+
       return function unsubscribe() {
-        if (!isSubscribed || current === CLEARED) return
+        if (!isSubscribed || first === null) return
         isSubscribed = false
 
-        if (next === current) next = current.slice()
-        next.splice(next.indexOf(listener), 1)
+        if (listener.next) {
+          listener.next.prev = listener.prev
+        } else {
+          last = listener.prev
+        }
+        if (listener.prev) {
+          listener.prev.next = listener.next
+        } else {
+          first = listener.next
+        }
       }
@@ -51,0 +73,0 @@ }

src/utils/useIsomorphicLayoutEffect.js

@@ -12,9 +12,7 @@ import { useEffect, useLayoutEffect } from 'react'
 
-const isHopefullyDomEnvironment =
+export const useIsomorphicLayoutEffect =
   typeof window !== 'undefined' &&
   typeof window.document !== 'undefined' &&
   typeof window.document.createElement !== 'undefined'
-
-export const useIsomorphicLayoutEffect = isHopefullyDomEnvironment
-  ? useLayoutEffect
-  : useEffect
+    ? useLayoutEffect
+    : useEffect

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

273025

increased by0.67%

Dependency count

7

decreased by-12.5%

Lines of code

5745

increased by3.7%

Worsened metrics

Number of low supply chain risk alerts

31

increased by138.46%

Dependency changes

• - Removedinvariant@^2.2.4

• - Removedinvariant@2.2.4(transitive)