myapp/node_modules/immer/dist/immer.js

'use strict';

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

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};











var classCallCheck = function (instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};

var createClass = function () {
  function defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  return function (Constructor, protoProps, staticProps) {
    if (protoProps) defineProperties(Constructor.prototype, protoProps);
    if (staticProps) defineProperties(Constructor, staticProps);
    return Constructor;
  };
}();





var defineProperty = function (obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
};

var NOTHING = typeof Symbol !== "undefined" ? Symbol("immer-nothing") : defineProperty({}, "immer-nothing", true);

var DRAFT_STATE = typeof Symbol !== "undefined" ? Symbol("immer-state") : "__$immer_state";

function isDraft(value) {
    return !!value && !!value[DRAFT_STATE];
}

function isDraftable(value) {
    if (!value) return false;
    if ((typeof value === "undefined" ? "undefined" : _typeof(value)) !== "object") return false;
    if (Array.isArray(value)) return true;
    var proto = Object.getPrototypeOf(value);
    return proto === null || proto === Object.prototype;
}

function original(value) {
    if (value && value[DRAFT_STATE]) {
        return value[DRAFT_STATE].base;
    }
    // otherwise return undefined
}

var assign = Object.assign || function assign(target, value) {
    for (var key in value) {
        if (has(value, key)) {
            target[key] = value[key];
        }
    }
    return target;
};

function shallowCopy(value) {
    if (Array.isArray(value)) return value.slice();
    var target = value.__proto__ === undefined ? Object.create(null) : {};
    return assign(target, value);
}

function each(value, cb) {
    if (Array.isArray(value)) {
        for (var i = 0; i < value.length; i++) {
            cb(i, value[i], value);
        }
    } else {
        for (var key in value) {
            cb(key, value[key], value);
        }
    }
}

function has(thing, prop) {
    return Object.prototype.hasOwnProperty.call(thing, prop);
}

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;
    }
}

function generatePatches(state, basePath, patches, inversePatches) {
    Array.isArray(state.base) ? generateArrayPatches(state, basePath, patches, inversePatches) : generateObjectPatches(state, basePath, patches, inversePatches);
}

function generateArrayPatches(state, basePath, patches, inversePatches) {
    var base = state.base,
        copy = state.copy,
        assigned = state.assigned;

    var minLength = Math.min(base.length, copy.length);

    // Look for replaced indices.
    for (var i = 0; i < minLength; i++) {
        if (assigned[i] && base[i] !== copy[i]) {
            var path = basePath.concat(i);
            patches.push({ op: "replace", path: path, value: copy[i] });
            inversePatches.push({ op: "replace", path: path, value: base[i] });
        }
    }

    // Did the array expand?
    if (minLength < copy.length) {
        for (var _i = minLength; _i < copy.length; _i++) {
            patches.push({
                op: "add",
                path: basePath.concat(_i),
                value: copy[_i]
            });
        }
        inversePatches.push({
            op: "replace",
            path: basePath.concat("length"),
            value: base.length
        });
    }

    // ...or did it shrink?
    else if (minLength < base.length) {
            patches.push({
                op: "replace",
                path: basePath.concat("length"),
                value: copy.length
            });
            for (var _i2 = minLength; _i2 < base.length; _i2++) {
                inversePatches.push({
                    op: "add",
                    path: basePath.concat(_i2),
                    value: base[_i2]
                });
            }
        }
}

function generateObjectPatches(state, basePath, patches, inversePatches) {
    var base = state.base,
        copy = state.copy;

    each(state.assigned, function (key, assignedValue) {
        var origValue = base[key];
        var value = copy[key];
        var op = !assignedValue ? "remove" : key in base ? "replace" : "add";
        if (origValue === base && op === "replace") return;
        var path = basePath.concat(key);
        patches.push(op === "remove" ? { op: op, path: path } : { op: op, path: path, value: value });
        inversePatches.push(op === "add" ? { op: "remove", path: path } : op === "remove" ? { op: "add", path: path, value: origValue } : { op: "replace", path: path, value: origValue });
    });
}

function applyPatches(draft, patches) {
    for (var i = 0; i < patches.length; i++) {
        var patch = patches[i];
        var path = patch.path;

        if (path.length === 0 && patch.op === "replace") {
            draft = patch.value;
        } else {
            var base = draft;
            for (var _i3 = 0; _i3 < path.length - 1; _i3++) {
                base = base[path[_i3]];
                if (!base || (typeof base === "undefined" ? "undefined" : _typeof(base)) !== "object") throw new Error("Cannot apply patch, path doesn't resolve: " + path.join("/")); // prettier-ignore
            }
            var key = path[path.length - 1];
            switch (patch.op) {
                case "replace":
                case "add":
                    // TODO: add support is not extensive, it does not support insertion or `-` atm!
                    base[key] = patch.value;
                    break;
                case "remove":
                    if (Array.isArray(base)) {
                        if (key !== base.length - 1) throw new Error("Only the last index of an array can be removed, index: " + key + ", length: " + base.length); // prettier-ignore
                        base.length -= 1;
                    } else {
                        delete base[key];
                    }
                    break;
                default:
                    throw new Error("Unsupported patch operation: " + patch.op);
            }
        }
    }
    return draft;
}

// @ts-check

var descriptors = {};

// For nested produce calls:
var scopes = [];
var currentScope = function currentScope() {
    return scopes[scopes.length - 1];
};

function willFinalize(result, baseDraft, needPatches) {
    var scope = currentScope();
    scope.forEach(function (state) {
        return state.finalizing = true;
    });
    if (result === undefined || result === baseDraft) {
        if (needPatches) markChangesRecursively(baseDraft);
        // This is faster when we don't care about which attributes changed.
        markChangesSweep(scope);
    }
}

function createDraft(base, parent) {
    var draft = void 0;
    if (isDraft(base)) {
        var _state = base[DRAFT_STATE];
        // Avoid creating new drafts when copying.
        _state.finalizing = true;
        draft = shallowCopy(_state.draft);
        _state.finalizing = false;
    } else {
        draft = shallowCopy(base);
    }
    each(base, function (prop) {
        Object.defineProperty(draft, "" + prop, createPropertyProxy("" + prop));
    });

    // See "proxy.js" for property documentation.
    var state = {
        scope: parent ? parent.scope : currentScope(),
        modified: false,
        finalizing: false, // es5 only
        finalized: false,
        assigned: {},
        parent: parent,
        base: base,
        draft: draft,
        copy: null,
        revoke: revoke,
        revoked: false // es5 only
    };

    createHiddenProperty(draft, DRAFT_STATE, state);
    state.scope.push(state);
    return draft;
}

function revoke() {
    this.revoked = true;
}

function source(state) {
    return state.copy || state.base;
}

function _get(state, prop) {
    assertUnrevoked(state);
    var value = source(state)[prop];
    // Drafts are only created for proxyable values that exist in the base state.
    if (!state.finalizing && value === state.base[prop] && isDraftable(value)) {
        prepareCopy(state);
        return state.copy[prop] = createDraft(value, state);
    }
    return value;
}

function _set(state, prop, value) {
    assertUnrevoked(state);
    state.assigned[prop] = true;
    if (!state.modified) {
        if (is(source(state)[prop], value)) return;
        markChanged(state);
        prepareCopy(state);
    }
    state.copy[prop] = value;
}

function markChanged(state) {
    if (!state.modified) {
        state.modified = true;
        if (state.parent) markChanged(state.parent);
    }
}

function prepareCopy(state) {
    if (!state.copy) state.copy = shallowCopy(state.base);
}

function createPropertyProxy(prop) {
    return descriptors[prop] || (descriptors[prop] = {
        configurable: true,
        enumerable: true,
        get: function get$$1() {
            return _get(this[DRAFT_STATE], prop);
        },
        set: function set$$1(value) {
            _set(this[DRAFT_STATE], prop, value);
        }
    });
}

function assertUnrevoked(state) {
    if (state.revoked === true) throw new Error("Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? " + JSON.stringify(state.copy || state.base));
}

// This looks expensive, but only proxies are visited, and only objects without known changes are scanned.
function markChangesSweep(scope) {
    // The natural order of drafts in the `scope` array is based on when they
    // were accessed. By processing drafts in reverse natural order, we have a
    // better chance of processing leaf nodes first. When a leaf node is known to
    // have changed, we can avoid any traversal of its ancestor nodes.
    for (var i = scope.length - 1; i >= 0; i--) {
        var state = scope[i];
        if (state.modified === false) {
            if (Array.isArray(state.base)) {
                if (hasArrayChanges(state)) markChanged(state);
            } else if (hasObjectChanges(state)) markChanged(state);
        }
    }
}

function markChangesRecursively(object) {
    if (!object || (typeof object === "undefined" ? "undefined" : _typeof(object)) !== "object") return;
    var state = object[DRAFT_STATE];
    if (!state) return;
    var base = state.base,
        draft = state.draft,
        assigned = state.assigned;

    if (!Array.isArray(object)) {
        // Look for added keys.
        Object.keys(draft).forEach(function (key) {
            // The `undefined` check is a fast path for pre-existing keys.
            if (base[key] === undefined && !has(base, key)) {
                assigned[key] = true;
                markChanged(state);
            } else if (!assigned[key]) {
                // Only untouched properties trigger recursion.
                markChangesRecursively(draft[key]);
            }
        });
        // Look for removed keys.
        Object.keys(base).forEach(function (key) {
            // The `undefined` check is a fast path for pre-existing keys.
            if (draft[key] === undefined && !has(draft, key)) {
                assigned[key] = false;
                markChanged(state);
            }
        });
    } else if (hasArrayChanges(state)) {
        markChanged(state);
        assigned.length = true;
        if (draft.length < base.length) {
            for (var i = draft.length; i < base.length; i++) {
                assigned[i] = false;
            }
        } else {
            for (var _i = base.length; _i < draft.length; _i++) {
                assigned[_i] = true;
            }
        }
        for (var _i2 = 0; _i2 < draft.length; _i2++) {
            // Only untouched indices trigger recursion.
            if (assigned[_i2] === undefined) markChangesRecursively(draft[_i2]);
        }
    }
}

function hasObjectChanges(state) {
    var base = state.base,
        draft = state.draft;

    // Search for added keys. Start at the back, because non-numeric keys
    // are ordered by time of definition on the object.

    var keys = Object.keys(draft);
    for (var i = keys.length - 1; i >= 0; i--) {
        // The `undefined` check is a fast path for pre-existing keys.
        if (base[keys[i]] === undefined && !has(base, keys[i])) {
            return true;
        }
    }

    // Since no keys have been added, we can compare lengths to know if an
    // object has been deleted.
    return keys.length !== Object.keys(base).length;
}

function hasArrayChanges(state) {
    var draft = state.draft;

    if (draft.length !== state.base.length) return true;
    // See #116
    // If we first shorten the length, our array interceptors will be removed.
    // If after that new items are added, result in the same original length,
    // those last items will have no intercepting property.
    // So if there is no own descriptor on the last position, we know that items were removed and added
    // N.B.: splice, unshift, etc only shift values around, but not prop descriptors, so we only have to check
    // the last one
    var descriptor = Object.getOwnPropertyDescriptor(draft, draft.length - 1);
    // descriptor can be null, but only for newly created sparse arrays, eg. new Array(10)
    if (descriptor && !descriptor.get) return true;
    // For all other cases, we don't have to compare, as they would have been picked up by the index setters
    return false;
}

function createHiddenProperty(target, prop, value) {
    Object.defineProperty(target, prop, {
        value: value,
        enumerable: false,
        writable: true
    });
}



var legacyProxy = Object.freeze({
	scopes: scopes,
	currentScope: currentScope,
	willFinalize: willFinalize,
	createDraft: createDraft
});

// @ts-check

// For nested produce calls:
var scopes$1 = [];
var currentScope$1 = function currentScope() {
    return scopes$1[scopes$1.length - 1];
};

// Do nothing before being finalized.
function willFinalize$1() {}

function createDraft$1(base, parent) {
    var state = {
        // Track which produce call this is associated with.
        scope: parent ? parent.scope : currentScope$1(),
        // True for both shallow and deep changes.
        modified: false,
        // Used during finalization.
        finalized: false,
        // Track which properties have been assigned (true) or deleted (false).
        assigned: {},
        // The parent draft state.
        parent: parent,
        // The base state.
        base: base,
        // The base proxy.
        draft: null,
        // Any property proxies.
        drafts: {},
        // The base copy with any updated values.
        copy: null,
        // Called by the `produce` function.
        revoke: null
    };

    var _ref = Array.isArray(base) ? Proxy.revocable([state], arrayTraps) : Proxy.revocable(state, objectTraps),
        revoke = _ref.revoke,
        proxy = _ref.proxy;

    state.draft = proxy;
    state.revoke = revoke;

    state.scope.push(state);
    return proxy;
}

var objectTraps = {
    get: get$1,
    has: function has$$1(target, prop) {
        return prop in source$1(target);
    },
    ownKeys: function ownKeys(target) {
        return Reflect.ownKeys(source$1(target));
    },

    set: set$1,
    deleteProperty: deleteProperty,
    getOwnPropertyDescriptor: getOwnPropertyDescriptor,
    defineProperty: defineProperty$1,
    setPrototypeOf: function setPrototypeOf() {
        throw new Error("Immer does not support `setPrototypeOf()`.");
    }
};

var arrayTraps = {};
each(objectTraps, function (key, fn) {
    arrayTraps[key] = function () {
        arguments[0] = arguments[0][0];
        return fn.apply(this, arguments);
    };
});
arrayTraps.deleteProperty = function (state, prop) {
    if (isNaN(parseInt(prop))) throw new Error("Immer does not support deleting properties from arrays: " + prop);
    return objectTraps.deleteProperty.call(this, state[0], prop);
};
arrayTraps.set = function (state, prop, value) {
    if (prop !== "length" && isNaN(parseInt(prop))) throw new Error("Immer does not support setting non-numeric properties on arrays: " + prop);
    return objectTraps.set.call(this, state[0], prop, value);
};

function source$1(state) {
    return state.copy || state.base;
}

function get$1(state, prop) {
    if (prop === DRAFT_STATE) return state;
    var drafts = state.drafts;

    // Check for existing draft in unmodified state.

    if (!state.modified && has(drafts, prop)) {
        return drafts[prop];
    }

    var value = source$1(state)[prop];
    if (state.finalized || !isDraftable(value)) return value;

    // Check for existing draft in modified state.
    if (state.modified) {
        // Assigned values are never drafted. This catches any drafts we created, too.
        if (value !== state.base[prop]) return value;
        // Store drafts on the copy (when one exists).
        drafts = state.copy;
    }

    return drafts[prop] = createDraft$1(value, state);
}

function set$1(state, prop, value) {
    if (!state.modified) {
        // Optimize based on value's truthiness. Truthy values are guaranteed to
        // never be undefined, so we can avoid the `in` operator. Lastly, truthy
        // values may be drafts, but falsy values are never drafts.
        var isUnchanged = value ? is(state.base[prop], value) || value === state.drafts[prop] : is(state.base[prop], value) && prop in state.base;
        if (isUnchanged) return true;
        markChanged$1(state);
    }
    state.assigned[prop] = true;
    state.copy[prop] = value;
    return true;
}

function deleteProperty(state, prop) {
    // The `undefined` check is a fast path for pre-existing keys.
    if (state.base[prop] !== undefined || prop in state.base) {
        state.assigned[prop] = false;
        markChanged$1(state);
    }
    if (state.copy) delete state.copy[prop];
    return true;
}

function getOwnPropertyDescriptor(state, prop) {
    var owner = state.modified ? state.copy : has(state.drafts, prop) ? state.drafts : state.base;
    var descriptor = Reflect.getOwnPropertyDescriptor(owner, prop);
    if (descriptor && !(Array.isArray(owner) && prop === "length")) descriptor.configurable = true;
    return descriptor;
}

function defineProperty$1() {
    throw new Error("Immer does not support defining properties on draft objects.");
}

function markChanged$1(state) {
    if (!state.modified) {
        state.modified = true;
        state.copy = assign(shallowCopy(state.base), state.drafts);
        state.drafts = null;
        if (state.parent) markChanged$1(state.parent);
    }
}

var modernProxy = Object.freeze({
	scopes: scopes$1,
	currentScope: currentScope$1,
	willFinalize: willFinalize$1,
	createDraft: createDraft$1
});

function verifyMinified() {}

var configDefaults = {
    useProxies: typeof Proxy !== "undefined" && typeof Reflect !== "undefined",
    autoFreeze: typeof process !== "undefined" ? process.env.NODE_ENV !== "production" : verifyMinified.name === "verifyMinified",
    onAssign: null,
    onDelete: null,
    onCopy: null
};

var Immer = function () {
    function Immer(config) {
        classCallCheck(this, Immer);

        assign(this, configDefaults, config);
        this.setUseProxies(this.useProxies);
        this.produce = this.produce.bind(this);
    }

    createClass(Immer, [{
        key: "produce",
        value: function produce(base, recipe, patchListener) {
            var _this = this;

            // curried invocation
            if (typeof base === "function" && typeof recipe !== "function") {
                var defaultBase = recipe;
                recipe = base;

                // prettier-ignore
                return function () {
                    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
                        args[_key - 1] = arguments[_key];
                    }

                    var base = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : defaultBase;
                    return _this.produce(base, function (draft) {
                        var _recipe;

                        return (_recipe = recipe).call.apply(_recipe, [draft, draft].concat(args));
                    });
                };
            }

            // prettier-ignore
            {
                if (typeof recipe !== "function") throw new Error("if first argument is not a function, the second argument to produce should be a function");
                if (patchListener !== undefined && typeof patchListener !== "function") throw new Error("the third argument of a producer should not be set or a function");
            }

            var result = void 0;
            // Only create proxies for plain objects/arrays.
            if (!isDraftable(base)) {
                result = recipe(base);
                if (result === undefined) return base;
            }
            // See #100, don't nest producers
            else if (isDraft(base)) {
                    result = recipe.call(base, base);
                    if (result === undefined) return base;
                }
                // The given value must be proxied.
                else {
                        this.scopes.push([]);
                        var baseDraft = this.createDraft(base);
                        try {
                            result = recipe.call(baseDraft, baseDraft);
                            this.willFinalize(result, baseDraft, !!patchListener);

                            // Never generate patches when no listener exists.
                            var patches = patchListener && [],
                                inversePatches = patchListener && [];

                            // Finalize the modified draft...
                            if (result === undefined || result === baseDraft) {
                                result = this.finalize(baseDraft, [], patches, inversePatches);
                            }
                            // ...or use a replacement value.
                            else {
                                    // Users must never modify the draft _and_ return something else.
                                    if (baseDraft[DRAFT_STATE].modified) throw new Error("An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft."); // prettier-ignore

                                    // Finalize the replacement in case it contains (or is) a subset of the draft.
                                    if (isDraftable(result)) result = this.finalize(result);

                                    if (patchListener) {
                                        patches.push({
                                            op: "replace",
                                            path: [],
                                            value: result
                                        });
                                        inversePatches.push({
                                            op: "replace",
                                            path: [],
                                            value: base
                                        });
                                    }
                                }
                        } finally {
                            this.currentScope().forEach(function (state) {
                                return state.revoke();
                            });
                            this.scopes.pop();
                        }
                        patchListener && patchListener(patches, inversePatches);
                    }
            // Normalize the result.
            return result === NOTHING ? undefined : result;
        }
    }, {
        key: "setAutoFreeze",
        value: function setAutoFreeze(value) {
            this.autoFreeze = value;
        }
    }, {
        key: "setUseProxies",
        value: function setUseProxies(value) {
            this.useProxies = value;
            assign(this, value ? modernProxy : legacyProxy);
        }
        /**
         * @internal
         * Finalize a draft, returning either the unmodified base state or a modified
         * copy of the base state.
         */

    }, {
        key: "finalize",
        value: function finalize(draft, path, patches, inversePatches) {
            var state = draft[DRAFT_STATE];
            if (!state) {
                if (Object.isFrozen(draft)) return draft;
                return this.finalizeTree(draft);
            }
            // Never finalize drafts owned by an outer scope.
            if (state.scope !== this.currentScope()) {
                return draft;
            }
            if (!state.modified) return state.base;
            if (!state.finalized) {
                state.finalized = true;
                this.finalizeTree(state.draft, path, patches, inversePatches);
                if (this.onDelete) {
                    var assigned = state.assigned;

                    for (var prop in assigned) {
                        assigned[prop] || this.onDelete(state, prop);
                    }
                }
                if (this.onCopy) this.onCopy(state);

                // Nested producers must never auto-freeze their result,
                // because it may contain drafts from parent producers.
                if (this.autoFreeze && this.scopes.length === 1) {
                    Object.freeze(state.copy);
                }

                if (patches) generatePatches(state, path, patches, inversePatches);
            }
            return state.copy;
        }
        /**
         * @internal
         * Finalize all drafts in the given state tree.
         */

    }, {
        key: "finalizeTree",
        value: function finalizeTree(root, path, patches, inversePatches) {
            var _this2 = this;

            var state = root[DRAFT_STATE];
            if (state) {
                root = this.useProxies ? state.copy : state.copy = shallowCopy(state.draft);
            }

            var onAssign = this.onAssign;

            var finalizeProperty = function finalizeProperty(prop, value, parent) {
                // Only `root` can be a draft in here.
                var inDraft = !!state && parent === root;

                if (isDraft(value)) {
                    // prettier-ignore
                    parent[prop] = value =
                    // Patches are never generated for assigned properties.
                    patches && inDraft && !state.assigned[prop] ? _this2.finalize(value, path.concat(prop), patches, inversePatches) : _this2.finalize(value);

                    // Unchanged drafts are ignored.
                    if (inDraft && value === state.base[prop]) return;
                }
                // Unchanged draft properties are ignored.
                else if (inDraft && is(value, state.base[prop])) {
                        return;
                    }
                    // Search new objects for unfinalized drafts. Frozen objects should never contain drafts.
                    else if (isDraftable(value) && !Object.isFrozen(value)) {
                            each(value, finalizeProperty);
                        }

                if (inDraft && onAssign) {
                    onAssign(state, prop, value);
                }
            };

            each(root, finalizeProperty);
            return root;
        }
    }]);
    return Immer;
}();

var immer = new Immer();

/**
 * The `produce` function takes a value and a "recipe function" (whose
 * return value often depends on the base state). The recipe function is
 * free to mutate its first argument however it wants. All mutations are
 * only ever applied to a __copy__ of the base state.
 *
 * Pass only a function to create a "curried producer" which relieves you
 * from passing the recipe function every time.
 *
 * Only plain objects and arrays are made mutable. All other objects are
 * considered uncopyable.
 *
 * Note: This function is __bound__ to its `Immer` instance.
 *
 * @param {any} base - the initial state
 * @param {Function} producer - function that receives a proxy of the base state as first argument and which can be freely modified
 * @param {Function} patchListener - optional function that will be called with all the patches produced here
 * @returns {any} a new state, or the initial state if nothing was modified
 */
var produce = immer.produce;
/**
 * Pass true to automatically freeze all copies created by Immer.
 *
 * By default, auto-freezing is disabled in production.
 */
var setAutoFreeze = function setAutoFreeze(value) {
  return immer.setAutoFreeze(value);
};

/**
 * Pass true to use the ES2015 `Proxy` class when creating drafts, which is
 * always faster than using ES5 proxies.
 *
 * By default, feature detection is used, so calling this is rarely necessary.
 */
var setUseProxies = function setUseProxies(value) {
  return immer.setUseProxies(value);
};

/**
 * Apply an array of Immer patches to the first argument.
 *
 * This function is a producer, which means copy-on-write is in effect.
 */
var applyPatches$1 = produce(applyPatches);

exports.produce = produce;
exports['default'] = produce;
exports.setAutoFreeze = setAutoFreeze;
exports.setUseProxies = setUseProxies;
exports.applyPatches = applyPatches$1;
exports.Immer = Immer;
exports.original = original;
exports.isDraft = isDraft;
exports.nothing = NOTHING;
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