mobx-react/dist/mobxreact.umd.development.js

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('mobx'), require('react'), require('mobx-react-lite')) :
    typeof define === 'function' && define.amd ? define(['exports', 'mobx', 'react', 'mobx-react-lite'], factory) :
    (global = global || self, factory(global.mobxReact = {}, global.mobx, global.React, global.mobxReactLite));
}(this, (function (exports, mobx, React, mobxReactLite) { 'use strict';

    var React__default = 'default' in React ? React['default'] : React;

    var symbolId = 0;

    function createSymbol(name) {
      if (typeof Symbol === "function") {
        return Symbol(name);
      }

      var symbol = "__$mobx-react " + name + " (" + symbolId + ")";
      symbolId++;
      return symbol;
    }

    var createdSymbols = {};
    function newSymbol(name) {
      if (!createdSymbols[name]) {
        createdSymbols[name] = createSymbol(name);
      }

      return createdSymbols[name];
    }
    function shallowEqual(objA, objB) {
      //From: https://github.com/facebook/fbjs/blob/c69904a511b900266935168223063dd8772dfc40/packages/fbjs/src/core/shallowEqual.js
      if (is(objA, objB)) return true;

      if (typeof objA !== "object" || objA === null || typeof objB !== "object" || objB === null) {
        return false;
      }

      var keysA = Object.keys(objA);
      var keysB = Object.keys(objB);
      if (keysA.length !== keysB.length) return false;

      for (var i = 0; i < keysA.length; i++) {
        if (!Object.hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
          return false;
        }
      }

      return true;
    }

    function is(x, y) {
      // From: https://github.com/facebook/fbjs/blob/c69904a511b900266935168223063dd8772dfc40/packages/fbjs/src/core/shallowEqual.js
      if (x === y) {
        return x !== 0 || 1 / x === 1 / y;
      } else {
        return x !== x && y !== y;
      }
    } // based on https://github.com/mridgway/hoist-non-react-statics/blob/master/src/index.js


    var hoistBlackList = {
      $$typeof: 1,
      render: 1,
      compare: 1,
      type: 1,
      childContextTypes: 1,
      contextType: 1,
      contextTypes: 1,
      defaultProps: 1,
      getDefaultProps: 1,
      getDerivedStateFromError: 1,
      getDerivedStateFromProps: 1,
      mixins: 1,
      propTypes: 1
    };
    function copyStaticProperties(base, target) {
      var protoProps = Object.getOwnPropertyNames(Object.getPrototypeOf(base));
      Object.getOwnPropertyNames(base).forEach(function (key) {
        if (!hoistBlackList[key] && protoProps.indexOf(key) === -1) {
          Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(base, key));
        }
      });
    }
    /**
     * Helper to set `prop` to `this` as non-enumerable (hidden prop)
     * @param target
     * @param prop
     * @param value
     */

    function setHiddenProp(target, prop, value) {
      if (!Object.hasOwnProperty.call(target, prop)) {
        Object.defineProperty(target, prop, {
          enumerable: false,
          configurable: true,
          writable: true,
          value: value
        });
      } else {
        target[prop] = value;
      }
    }
    /**
     * Utilities for patching componentWillUnmount, to make sure @disposeOnUnmount works correctly icm with user defined hooks
     * and the handler provided by mobx-react
     */

    var mobxMixins =
    /*#__PURE__*/
    newSymbol("patchMixins");
    var mobxPatchedDefinition =
    /*#__PURE__*/
    newSymbol("patchedDefinition");

    function getMixins(target, methodName) {
      var mixins = target[mobxMixins] = target[mobxMixins] || {};
      var methodMixins = mixins[methodName] = mixins[methodName] || {};
      methodMixins.locks = methodMixins.locks || 0;
      methodMixins.methods = methodMixins.methods || [];
      return methodMixins;
    }

    function wrapper(realMethod, mixins) {
      var _this = this;

      for (var _len = arguments.length, args = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
        args[_key - 2] = arguments[_key];
      }

      // locks are used to ensure that mixins are invoked only once per invocation, even on recursive calls
      mixins.locks++;

      try {
        var retVal;

        if (realMethod !== undefined && realMethod !== null) {
          retVal = realMethod.apply(this, args);
        }

        return retVal;
      } finally {
        mixins.locks--;

        if (mixins.locks === 0) {
          mixins.methods.forEach(function (mx) {
            mx.apply(_this, args);
          });
        }
      }
    }

    function wrapFunction(realMethod, mixins) {
      var fn = function fn() {
        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
          args[_key2] = arguments[_key2];
        }

        wrapper.call.apply(wrapper, [this, realMethod, mixins].concat(args));
      };

      return fn;
    }

    function patch(target, methodName, mixinMethod) {
      var mixins = getMixins(target, methodName);

      if (mixins.methods.indexOf(mixinMethod) < 0) {
        mixins.methods.push(mixinMethod);
      }

      var oldDefinition = Object.getOwnPropertyDescriptor(target, methodName);

      if (oldDefinition && oldDefinition[mobxPatchedDefinition]) {
        // already patched definition, do not repatch
        return;
      }

      var originalMethod = target[methodName];
      var newDefinition = createDefinition(target, methodName, oldDefinition ? oldDefinition.enumerable : undefined, mixins, originalMethod);
      Object.defineProperty(target, methodName, newDefinition);
    }

    function createDefinition(target, methodName, enumerable, mixins, originalMethod) {
      var _ref;

      var wrappedFunc = wrapFunction(originalMethod, mixins);
      return _ref = {}, _ref[mobxPatchedDefinition] = true, _ref.get = function get() {
        return wrappedFunc;
      }, _ref.set = function set(value) {
        if (this === target) {
          wrappedFunc = wrapFunction(value, mixins);
        } else {
          // when it is an instance of the prototype/a child prototype patch that particular case again separately
          // since we need to store separate values depending on wether it is the actual instance, the prototype, etc
          // e.g. the method for super might not be the same as the method for the prototype which might be not the same
          // as the method for the instance
          var newDefinition = createDefinition(this, methodName, enumerable, mixins, value);
          Object.defineProperty(this, methodName, newDefinition);
        }
      }, _ref.configurable = true, _ref.enumerable = enumerable, _ref;
    }

    var mobxAdminProperty = mobx.$mobx || "$mobx";
    var mobxObserverProperty =
    /*#__PURE__*/
    newSymbol("isMobXReactObserver");
    var mobxIsUnmounted =
    /*#__PURE__*/
    newSymbol("isUnmounted");
    var skipRenderKey =
    /*#__PURE__*/
    newSymbol("skipRender");
    var isForcingUpdateKey =
    /*#__PURE__*/
    newSymbol("isForcingUpdate");
    function makeClassComponentObserver(componentClass) {
      var target = componentClass.prototype;

      if (componentClass[mobxObserverProperty]) {
        var displayName = getDisplayName(target);
        console.warn("The provided component class (" + displayName + ") \n                has already been declared as an observer component.");
      } else {
        componentClass[mobxObserverProperty] = true;
      }

      if (target.componentWillReact) throw new Error("The componentWillReact life-cycle event is no longer supported");

      if (componentClass["__proto__"] !== React.PureComponent) {
        if (!target.shouldComponentUpdate) target.shouldComponentUpdate = observerSCU;else if (target.shouldComponentUpdate !== observerSCU) // n.b. unequal check, instead of existence check, as @observer might be on superclass as well
          throw new Error("It is not allowed to use shouldComponentUpdate in observer based components.");
      } // this.props and this.state are made observable, just to make sure @computed fields that
      // are defined inside the component, and which rely on state or props, re-compute if state or props change
      // (otherwise the computed wouldn't update and become stale on props change, since props are not observable)
      // However, this solution is not without it's own problems: https://github.com/mobxjs/mobx-react/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Aobservable-props-or-not+


      makeObservableProp(target, "props");
      makeObservableProp(target, "state");
      var baseRender = target.render;

      target.render = function () {
        return makeComponentReactive.call(this, baseRender);
      };

      patch(target, "componentWillUnmount", function () {
        var _this$render$mobxAdmi;

        if (mobxReactLite.isUsingStaticRendering() === true) return;
        (_this$render$mobxAdmi = this.render[mobxAdminProperty]) === null || _this$render$mobxAdmi === void 0 ? void 0 : _this$render$mobxAdmi.dispose();
        this[mobxIsUnmounted] = true;

        if (!this.render[mobxAdminProperty]) {
          // Render may have been hot-swapped and/or overriden by a subclass.
          var _displayName = getDisplayName(this);

          console.warn("The reactive render of an observer class component (" + _displayName + ") \n                was overriden after MobX attached. This may result in a memory leak if the \n                overriden reactive render was not properly disposed.");
        }
      });
      return componentClass;
    } // Generates a friendly name for debugging

    function getDisplayName(comp) {
      return comp.displayName || comp.name || comp.constructor && (comp.constructor.displayName || comp.constructor.name) || "<component>";
    }

    function makeComponentReactive(render) {
      var _this = this;

      if (mobxReactLite.isUsingStaticRendering() === true) return render.call(this);
      /**
       * If props are shallowly modified, react will render anyway,
       * so atom.reportChanged() should not result in yet another re-render
       */

      setHiddenProp(this, skipRenderKey, false);
      /**
       * forceUpdate will re-assign this.props. We don't want that to cause a loop,
       * so detect these changes
       */

      setHiddenProp(this, isForcingUpdateKey, false);
      var initialName = getDisplayName(this);
      var baseRender = render.bind(this);
      var isRenderingPending = false;
      var reaction = new mobx.Reaction(initialName + ".render()", function () {
        if (!isRenderingPending) {
          // N.B. Getting here *before mounting* means that a component constructor has side effects (see the relevant test in misc.js)
          // This unidiomatic React usage but React will correctly warn about this so we continue as usual
          // See #85 / Pull #44
          isRenderingPending = true;

          if (_this[mobxIsUnmounted] !== true) {
            var hasError = true;

            try {
              setHiddenProp(_this, isForcingUpdateKey, true);
              if (!_this[skipRenderKey]) React.Component.prototype.forceUpdate.call(_this);
              hasError = false;
            } finally {
              setHiddenProp(_this, isForcingUpdateKey, false);
              if (hasError) reaction.dispose();
            }
          }
        }
      });
      reaction["reactComponent"] = this;
      reactiveRender[mobxAdminProperty] = reaction;
      this.render = reactiveRender;

      function reactiveRender() {
        isRenderingPending = false;
        var exception = undefined;
        var rendering = undefined;
        reaction.track(function () {
          try {
            rendering = mobx._allowStateChanges(false, baseRender);
          } catch (e) {
            exception = e;
          }
        });

        if (exception) {
          throw exception;
        }

        return rendering;
      }

      return reactiveRender.call(this);
    }

    function observerSCU(nextProps, nextState) {
      if (mobxReactLite.isUsingStaticRendering()) {
        console.warn("[mobx-react] It seems that a re-rendering of a React component is triggered while in static (server-side) mode. Please make sure components are rendered only once server-side.");
      } // update on any state changes (as is the default)


      if (this.state !== nextState) {
        return true;
      } // update if props are shallowly not equal, inspired by PureRenderMixin
      // we could return just 'false' here, and avoid the `skipRender` checks etc
      // however, it is nicer if lifecycle events are triggered like usually,
      // so we return true here if props are shallowly modified.


      return !shallowEqual(this.props, nextProps);
    }

    function makeObservableProp(target, propName) {
      var valueHolderKey = newSymbol("reactProp_" + propName + "_valueHolder");
      var atomHolderKey = newSymbol("reactProp_" + propName + "_atomHolder");

      function getAtom() {
        if (!this[atomHolderKey]) {
          setHiddenProp(this, atomHolderKey, mobx.createAtom("reactive " + propName));
        }

        return this[atomHolderKey];
      }

      Object.defineProperty(target, propName, {
        configurable: true,
        enumerable: true,
        get: function get() {
          var prevReadState = false;

          if (mobx._allowStateReadsStart && mobx._allowStateReadsEnd) {
            prevReadState = mobx._allowStateReadsStart(true);
          }

          getAtom.call(this).reportObserved();

          if (mobx._allowStateReadsStart && mobx._allowStateReadsEnd) {
            mobx._allowStateReadsEnd(prevReadState);
          }

          return this[valueHolderKey];
        },
        set: function set(v) {
          if (!this[isForcingUpdateKey] && !shallowEqual(this[valueHolderKey], v)) {
            setHiddenProp(this, valueHolderKey, v);
            setHiddenProp(this, skipRenderKey, true);
            getAtom.call(this).reportChanged();
            setHiddenProp(this, skipRenderKey, false);
          } else {
            setHiddenProp(this, valueHolderKey, v);
          }
        }
      });
    }

    var hasSymbol = typeof Symbol === "function" && Symbol.for; // Using react-is had some issues (and operates on elements, not on types), see #608 / #609

    var ReactForwardRefSymbol = hasSymbol ?
    /*#__PURE__*/
    Symbol.for("react.forward_ref") : typeof React.forwardRef === "function" &&
    /*#__PURE__*/
    React.forwardRef(function (props) {
      return null;
    })["$$typeof"];
    var ReactMemoSymbol = hasSymbol ?
    /*#__PURE__*/
    Symbol.for("react.memo") : typeof React.memo === "function" &&
    /*#__PURE__*/
    React.memo(function (props) {
      return null;
    })["$$typeof"];
    /**
     * Observer function / decorator
     */

    function observer(component) {
      if (component["isMobxInjector"] === true) {
        console.warn("Mobx observer: You are trying to use 'observer' on a component that already has 'inject'. Please apply 'observer' before applying 'inject'");
      }

      if (ReactMemoSymbol && component["$$typeof"] === ReactMemoSymbol) {
        throw new Error("Mobx observer: You are trying to use 'observer' on a function component wrapped in either another observer or 'React.memo'. The observer already applies 'React.memo' for you.");
      } // Unwrap forward refs into `<Observer>` component
      // we need to unwrap the render, because it is the inner render that needs to be tracked,
      // not the ForwardRef HoC


      if (ReactForwardRefSymbol && component["$$typeof"] === ReactForwardRefSymbol) {
        var baseRender = component["render"];
        if (typeof baseRender !== "function") throw new Error("render property of ForwardRef was not a function");
        return React.forwardRef(function ObserverForwardRef() {
          var args = arguments;
          return React.createElement(mobxReactLite.Observer, null, function () {
            return baseRender.apply(undefined, args);
          });
        });
      } // Function component


      if (typeof component === "function" && (!component.prototype || !component.prototype.render) && !component["isReactClass"] && !Object.prototype.isPrototypeOf.call(React.Component, component)) {
        return mobxReactLite.observer(component);
      }

      return makeClassComponentObserver(component);
    }

    function _extends() {
      _extends = Object.assign || function (target) {
        for (var i = 1; i < arguments.length; i++) {
          var source = arguments[i];

          for (var key in source) {
            if (Object.prototype.hasOwnProperty.call(source, key)) {
              target[key] = source[key];
            }
          }
        }

        return target;
      };

      return _extends.apply(this, arguments);
    }

    function _objectWithoutPropertiesLoose(source, excluded) {
      if (source == null) return {};
      var target = {};
      var sourceKeys = Object.keys(source);
      var key, i;

      for (i = 0; i < sourceKeys.length; i++) {
        key = sourceKeys[i];
        if (excluded.indexOf(key) >= 0) continue;
        target[key] = source[key];
      }

      return target;
    }

    var MobXProviderContext =
    /*#__PURE__*/
    React__default.createContext({});
    function Provider(props) {
      var children = props.children,
          stores = _objectWithoutPropertiesLoose(props, ["children"]);

      var parentValue = React__default.useContext(MobXProviderContext);
      var mutableProviderRef = React__default.useRef(_extends({}, parentValue, stores));
      var value = mutableProviderRef.current;

      {
        var newValue = _extends({}, value, stores); // spread in previous state for the context based stores


        if (!shallowEqual(value, newValue)) {
          throw new Error("MobX Provider: The set of provided stores has changed. See: https://github.com/mobxjs/mobx-react#the-set-of-provided-stores-has-changed-error.");
        }
      }

      return React__default.createElement(MobXProviderContext.Provider, {
        value: value
      }, children);
    }
    Provider.displayName = "MobXProvider";

    /**
     * Store Injection
     */

    function createStoreInjector(grabStoresFn, component, injectNames, makeReactive) {
      // Support forward refs
      var Injector = React__default.forwardRef(function (props, ref) {
        var newProps = _extends({}, props);

        var context = React__default.useContext(MobXProviderContext);
        Object.assign(newProps, grabStoresFn(context || {}, newProps) || {});

        if (ref) {
          newProps.ref = ref;
        }

        return React__default.createElement(component, newProps);
      });
      if (makeReactive) Injector = observer(Injector);
      Injector["isMobxInjector"] = true; // assigned late to suppress observer warning
      // Static fields from component should be visible on the generated Injector

      copyStaticProperties(component, Injector);
      Injector["wrappedComponent"] = component;
      Injector.displayName = getInjectName(component, injectNames);
      return Injector;
    }

    function getInjectName(component, injectNames) {
      var displayName;
      var componentName = component.displayName || component.name || component.constructor && component.constructor.name || "Component";
      if (injectNames) displayName = "inject-with-" + injectNames + "(" + componentName + ")";else displayName = "inject(" + componentName + ")";
      return displayName;
    }

    function grabStoresByName(storeNames) {
      return function (baseStores, nextProps) {
        storeNames.forEach(function (storeName) {
          if (storeName in nextProps // prefer props over stores
          ) return;
          if (!(storeName in baseStores)) throw new Error("MobX injector: Store '" + storeName + "' is not available! Make sure it is provided by some Provider");
          nextProps[storeName] = baseStores[storeName];
        });
        return nextProps;
      };
    }
    /**
     * higher order component that injects stores to a child.
     * takes either a varargs list of strings, which are stores read from the context,
     * or a function that manually maps the available stores from the context to props:
     * storesToProps(mobxStores, props, context) => newProps
     */


    function inject() {
      for (var _len = arguments.length, storeNames = new Array(_len), _key = 0; _key < _len; _key++) {
        storeNames[_key] = arguments[_key];
      }

      if (typeof arguments[0] === "function") {
        var grabStoresFn = arguments[0];
        return function (componentClass) {
          return createStoreInjector(grabStoresFn, componentClass, grabStoresFn.name, true);
        };
      } else {
        return function (componentClass) {
          return createStoreInjector(grabStoresByName(storeNames), componentClass, storeNames.join("-"), false);
        };
      }
    }

    var protoStoreKey =
    /*#__PURE__*/
    newSymbol("disposeOnUnmountProto");
    var instStoreKey =
    /*#__PURE__*/
    newSymbol("disposeOnUnmountInst");

    function runDisposersOnWillUnmount() {
      var _this = this;
      [].concat(this[protoStoreKey] || [], this[instStoreKey] || []).forEach(function (propKeyOrFunction) {
        var prop = typeof propKeyOrFunction === "string" ? _this[propKeyOrFunction] : propKeyOrFunction;

        if (prop !== undefined && prop !== null) {
          if (Array.isArray(prop)) prop.map(function (f) {
            return f();
          });else prop();
        }
      });
    }

    function disposeOnUnmount(target, propertyKeyOrFunction) {
      if (Array.isArray(propertyKeyOrFunction)) {
        return propertyKeyOrFunction.map(function (fn) {
          return disposeOnUnmount(target, fn);
        });
      }

      var c = Object.getPrototypeOf(target).constructor;
      var c2 = Object.getPrototypeOf(target.constructor); // Special case for react-hot-loader

      var c3 = Object.getPrototypeOf(Object.getPrototypeOf(target));

      if (!(c === React__default.Component || c === React__default.PureComponent || c2 === React__default.Component || c2 === React__default.PureComponent || c3 === React__default.Component || c3 === React__default.PureComponent)) {
        throw new Error("[mobx-react] disposeOnUnmount only supports direct subclasses of React.Component or React.PureComponent.");
      }

      if (typeof propertyKeyOrFunction !== "string" && typeof propertyKeyOrFunction !== "function" && !Array.isArray(propertyKeyOrFunction)) {
        throw new Error("[mobx-react] disposeOnUnmount only works if the parameter is either a property key or a function.");
      } // decorator's target is the prototype, so it doesn't have any instance properties like props


      var isDecorator = typeof propertyKeyOrFunction === "string"; // add property key / function we want run (disposed) to the store

      var componentWasAlreadyModified = !!target[protoStoreKey] || !!target[instStoreKey];
      var store = isDecorator ? // decorators are added to the prototype store
      target[protoStoreKey] || (target[protoStoreKey] = []) : // functions are added to the instance store
      target[instStoreKey] || (target[instStoreKey] = []);
      store.push(propertyKeyOrFunction); // tweak the component class componentWillUnmount if not done already

      if (!componentWasAlreadyModified) {
        patch(target, "componentWillUnmount", runDisposersOnWillUnmount);
      } // return the disposer as is if invoked as a non decorator


      if (typeof propertyKeyOrFunction !== "string") {
        return propertyKeyOrFunction;
      }
    }

    function createChainableTypeChecker(validator) {
      function checkType(isRequired, props, propName, componentName, location, propFullName) {
        for (var _len = arguments.length, rest = new Array(_len > 6 ? _len - 6 : 0), _key = 6; _key < _len; _key++) {
          rest[_key - 6] = arguments[_key];
        }

        return mobx.untracked(function () {
          componentName = componentName || "<<anonymous>>";
          propFullName = propFullName || propName;

          if (props[propName] == null) {
            if (isRequired) {
              var actual = props[propName] === null ? "null" : "undefined";
              return new Error("The " + location + " `" + propFullName + "` is marked as required " + "in `" + componentName + "`, but its value is `" + actual + "`.");
            }

            return null;
          } else {
            // @ts-ignore rest arg is necessary for some React internals - fails tests otherwise
            return validator.apply(void 0, [props, propName, componentName, location, propFullName].concat(rest));
          }
        });
      }

      var chainedCheckType = checkType.bind(null, false); // Add isRequired to satisfy Requirable

      chainedCheckType.isRequired = checkType.bind(null, true);
      return chainedCheckType;
    } // Copied from React.PropTypes


    function isSymbol(propType, propValue) {
      // Native Symbol.
      if (propType === "symbol") {
        return true;
      } // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'


      if (propValue["@@toStringTag"] === "Symbol") {
        return true;
      } // Fallback for non-spec compliant Symbols which are polyfilled.


      if (typeof Symbol === "function" && propValue instanceof Symbol) {
        return true;
      }

      return false;
    } // Copied from React.PropTypes


    function getPropType(propValue) {
      var propType = typeof propValue;

      if (Array.isArray(propValue)) {
        return "array";
      }

      if (propValue instanceof RegExp) {
        // Old webkits (at least until Android 4.0) return 'function' rather than
        // 'object' for typeof a RegExp. We'll normalize this here so that /bla/
        // passes PropTypes.object.
        return "object";
      }

      if (isSymbol(propType, propValue)) {
        return "symbol";
      }

      return propType;
    } // This handles more types than `getPropType`. Only used for error messages.
    // Copied from React.PropTypes


    function getPreciseType(propValue) {
      var propType = getPropType(propValue);

      if (propType === "object") {
        if (propValue instanceof Date) {
          return "date";
        } else if (propValue instanceof RegExp) {
          return "regexp";
        }
      }

      return propType;
    }

    function createObservableTypeCheckerCreator(allowNativeType, mobxType) {
      return createChainableTypeChecker(function (props, propName, componentName, location, propFullName) {
        return mobx.untracked(function () {
          if (allowNativeType) {
            if (getPropType(props[propName]) === mobxType.toLowerCase()) return null;
          }

          var mobxChecker;

          switch (mobxType) {
            case "Array":
              mobxChecker = mobx.isObservableArray;
              break;

            case "Object":
              mobxChecker = mobx.isObservableObject;
              break;

            case "Map":
              mobxChecker = mobx.isObservableMap;
              break;

            default:
              throw new Error("Unexpected mobxType: " + mobxType);
          }

          var propValue = props[propName];

          if (!mobxChecker(propValue)) {
            var preciseType = getPreciseType(propValue);
            var nativeTypeExpectationMessage = allowNativeType ? " or javascript `" + mobxType.toLowerCase() + "`" : "";
            return new Error("Invalid prop `" + propFullName + "` of type `" + preciseType + "` supplied to" + " `" + componentName + "`, expected `mobx.Observable" + mobxType + "`" + nativeTypeExpectationMessage + ".");
          }

          return null;
        });
      });
    }

    function createObservableArrayOfTypeChecker(allowNativeType, typeChecker) {
      return createChainableTypeChecker(function (props, propName, componentName, location, propFullName) {
        for (var _len2 = arguments.length, rest = new Array(_len2 > 5 ? _len2 - 5 : 0), _key2 = 5; _key2 < _len2; _key2++) {
          rest[_key2 - 5] = arguments[_key2];
        }

        return mobx.untracked(function () {
          if (typeof typeChecker !== "function") {
            return new Error("Property `" + propFullName + "` of component `" + componentName + "` has " + "invalid PropType notation.");
          } else {
            var error = createObservableTypeCheckerCreator(allowNativeType, "Array")(props, propName, componentName, location, propFullName);
            if (error instanceof Error) return error;
            var propValue = props[propName];

            for (var i = 0; i < propValue.length; i++) {
              error = typeChecker.apply(void 0, [propValue, i, componentName, location, propFullName + "[" + i + "]"].concat(rest));
              if (error instanceof Error) return error;
            }

            return null;
          }
        });
      });
    }

    var observableArray =
    /*#__PURE__*/
    createObservableTypeCheckerCreator(false, "Array");
    var observableArrayOf =
    /*#__PURE__*/
    createObservableArrayOfTypeChecker.bind(null, false);
    var observableMap =
    /*#__PURE__*/
    createObservableTypeCheckerCreator(false, "Map");
    var observableObject =
    /*#__PURE__*/
    createObservableTypeCheckerCreator(false, "Object");
    var arrayOrObservableArray =
    /*#__PURE__*/
    createObservableTypeCheckerCreator(true, "Array");
    var arrayOrObservableArrayOf =
    /*#__PURE__*/
    createObservableArrayOfTypeChecker.bind(null, true);
    var objectOrObservableObject =
    /*#__PURE__*/
    createObservableTypeCheckerCreator(true, "Object");
    var PropTypes = {
      observableArray: observableArray,
      observableArrayOf: observableArrayOf,
      observableMap: observableMap,
      observableObject: observableObject,
      arrayOrObservableArray: arrayOrObservableArray,
      arrayOrObservableArrayOf: arrayOrObservableArrayOf,
      objectOrObservableObject: objectOrObservableObject
    };

    if (!React.Component) throw new Error("mobx-react requires React to be available");
    if (!mobx.observable) throw new Error("mobx-react requires mobx to be available");

    Object.defineProperty(exports, 'Observer', {
        enumerable: true,
        get: function () {
            return mobxReactLite.Observer;
        }
    });
    Object.defineProperty(exports, 'isUsingStaticRendering', {
        enumerable: true,
        get: function () {
            return mobxReactLite.isUsingStaticRendering;
        }
    });
    Object.defineProperty(exports, 'observerBatching', {
        enumerable: true,
        get: function () {
            return mobxReactLite.observerBatching;
        }
    });
    Object.defineProperty(exports, 'useAsObservableSource', {
        enumerable: true,
        get: function () {
            return mobxReactLite.useAsObservableSource;
        }
    });
    Object.defineProperty(exports, 'useLocalStore', {
        enumerable: true,
        get: function () {
            return mobxReactLite.useLocalStore;
        }
    });
    Object.defineProperty(exports, 'useObserver', {
        enumerable: true,
        get: function () {
            return mobxReactLite.useObserver;
        }
    });
    Object.defineProperty(exports, 'useStaticRendering', {
        enumerable: true,
        get: function () {
            return mobxReactLite.useStaticRendering;
        }
    });
    exports.MobXProviderContext = MobXProviderContext;
    exports.PropTypes = PropTypes;
    exports.Provider = Provider;
    exports.disposeOnUnmount = disposeOnUnmount;
    exports.inject = inject;
    exports.observer = observer;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=mobxreact.umd.development.js.map