> rather\r\n // than an Immutable, and TypeScript cannot find out how to reconcile\r\n // these two types.\r\n return createNextState(previousState, (draft: Draft) => {\r\n return caseReducer(draft, action)\r\n })\r\n }\r\n }\r\n\r\n return previousState\r\n }, state)\r\n }\r\n}\r\n","import { Reducer } from 'redux'\r\nimport {\r\n ActionCreatorWithoutPayload,\r\n createAction,\r\n PayloadAction,\r\n PayloadActionCreator,\r\n PrepareAction,\r\n _ActionCreatorWithPreparedPayload\r\n} from './createAction'\r\nimport { CaseReducer, CaseReducers, createReducer } from './createReducer'\r\nimport {\r\n ActionReducerMapBuilder,\r\n executeReducerBuilderCallback\r\n} from './mapBuilders'\r\nimport { NoInfer } from './tsHelpers'\r\n\r\n/**\r\n * An action creator attached to a slice.\r\n *\r\n * @deprecated please use PayloadActionCreator directly\r\n *\r\n * @public\r\n */\r\nexport type SliceActionCreator = PayloadActionCreator
\r\n\r\n/**\r\n * The return value of `createSlice`\r\n *\r\n * @public\r\n */\r\nexport interface Slice<\r\n State = any,\r\n CaseReducers extends SliceCaseReducers = SliceCaseReducers,\r\n Name extends string = string\r\n> {\r\n /**\r\n * The slice name.\r\n */\r\n name: Name\r\n\r\n /**\r\n * The slice's reducer.\r\n */\r\n reducer: Reducer\r\n\r\n /**\r\n * Action creators for the types of actions that are handled by the slice\r\n * reducer.\r\n */\r\n actions: CaseReducerActions\r\n\r\n /**\r\n * The individual case reducer functions that were passed in the `reducers` parameter.\r\n * This enables reuse and testing if they were defined inline when calling `createSlice`.\r\n */\r\n caseReducers: SliceDefinedCaseReducers\r\n}\r\n\r\n/**\r\n * Options for `createSlice()`.\r\n *\r\n * @public\r\n */\r\nexport interface CreateSliceOptions<\r\n State = any,\r\n CR extends SliceCaseReducers = SliceCaseReducers,\r\n Name extends string = string\r\n> {\r\n /**\r\n * The slice's name. Used to namespace the generated action types.\r\n */\r\n name: Name\r\n\r\n /**\r\n * The initial state to be returned by the slice reducer.\r\n */\r\n initialState: State\r\n\r\n /**\r\n * A mapping from action types to action-type-specific *case reducer*\r\n * functions. For every action type, a matching action creator will be\r\n * generated using `createAction()`.\r\n */\r\n reducers: ValidateSliceCaseReducers\r\n\r\n /**\r\n * A callback that receives a *builder* object to define\r\n * case reducers via calls to `builder.addCase(actionCreatorOrType, reducer)`.\r\n * \r\n * Alternatively, a mapping from action types to action-type-specific *case reducer*\r\n * functions. These reducers should have existing action types used\r\n * as the keys, and action creators will _not_ be generated.\r\n * \r\n * @example\r\n```ts\r\nimport { createAction, createSlice, Action, AnyAction } from '@reduxjs/toolkit'\r\nconst incrementBy = createAction('incrementBy')\r\nconst decrement = createAction('decrement')\r\n\r\ninterface RejectedAction extends Action {\r\n error: Error\r\n}\r\n\r\nfunction isRejectedAction(action: AnyAction): action is RejectedAction {\r\n return action.type.endsWith('rejected')\r\n}\r\n\r\ncreateSlice({\r\n name: 'counter',\r\n initialState: 0,\r\n reducers: {},\r\n extraReducers: builder => {\r\n builder\r\n .addCase(incrementBy, (state, action) => {\r\n // action is inferred correctly here if using TS\r\n })\r\n // You can chain calls, or have separate `builder.addCase()` lines each time\r\n .addCase(decrement, (state, action) => {})\r\n // You can match a range of action types\r\n .addMatcher(\r\n isRejectedAction,\r\n // `action` will be inferred as a RejectedAction due to isRejectedAction being defined as a type guard\r\n (state, action) => {}\r\n )\r\n // and provide a default case if no other handlers matched\r\n .addDefaultCase((state, action) => {})\r\n }\r\n})\r\n```\r\n */\r\n extraReducers?:\r\n | CaseReducers, any>\r\n | ((builder: ActionReducerMapBuilder>) => void)\r\n}\r\n\r\n/**\r\n * A CaseReducer with a `prepare` method.\r\n *\r\n * @public\r\n */\r\nexport type CaseReducerWithPrepare = {\r\n reducer: CaseReducer\r\n prepare: PrepareAction\r\n}\r\n\r\n/**\r\n * The type describing a slice's `reducers` option.\r\n *\r\n * @public\r\n */\r\nexport type SliceCaseReducers = {\r\n [K: string]:\r\n | CaseReducer>\r\n | CaseReducerWithPrepare>\r\n}\r\n\r\n/**\r\n * Derives the slice's `actions` property from the `reducers` options\r\n *\r\n * @public\r\n */\r\nexport type CaseReducerActions> = {\r\n [Type in keyof CaseReducers]: CaseReducers[Type] extends { prepare: any }\r\n ? ActionCreatorForCaseReducerWithPrepare\r\n : ActionCreatorForCaseReducer\r\n}\r\n\r\n/**\r\n * Get a `PayloadActionCreator` type for a passed `CaseReducerWithPrepare`\r\n *\r\n * @internal\r\n */\r\ntype ActionCreatorForCaseReducerWithPrepare<\r\n CR extends { prepare: any }\r\n> = _ActionCreatorWithPreparedPayload\r\n\r\n/**\r\n * Get a `PayloadActionCreator` type for a passed `CaseReducer`\r\n *\r\n * @internal\r\n */\r\ntype ActionCreatorForCaseReducer = CR extends (\r\n state: any,\r\n action: infer Action\r\n) => any\r\n ? Action extends { payload: infer P }\r\n ? PayloadActionCreator\r\n : ActionCreatorWithoutPayload\r\n : ActionCreatorWithoutPayload\r\n\r\n/**\r\n * Extracts the CaseReducers out of a `reducers` object, even if they are\r\n * tested into a `CaseReducerWithPrepare`.\r\n *\r\n * @internal\r\n */\r\ntype SliceDefinedCaseReducers> = {\r\n [Type in keyof CaseReducers]: CaseReducers[Type] extends {\r\n reducer: infer Reducer\r\n }\r\n ? Reducer\r\n : CaseReducers[Type]\r\n}\r\n\r\n/**\r\n * Used on a SliceCaseReducers object.\r\n * Ensures that if a CaseReducer is a `CaseReducerWithPrepare`, that\r\n * the `reducer` and the `prepare` function use the same type of `payload`.\r\n *\r\n * Might do additional such checks in the future.\r\n *\r\n * This type is only ever useful if you want to write your own wrapper around\r\n * `createSlice`. Please don't use it otherwise!\r\n *\r\n * @public\r\n */\r\nexport type ValidateSliceCaseReducers<\r\n S,\r\n ACR extends SliceCaseReducers\r\n> = ACR &\r\n {\r\n [T in keyof ACR]: ACR[T] extends {\r\n reducer(s: S, action?: infer A): any\r\n }\r\n ? {\r\n prepare(...a: never[]): Omit\r\n }\r\n : {}\r\n }\r\n\r\nfunction getType(slice: string, actionKey: string): string {\r\n return `${slice}/${actionKey}`\r\n}\r\n\r\n/**\r\n * A function that accepts an initial state, an object full of reducer\r\n * functions, and a \"slice name\", and automatically generates\r\n * action creators and action types that correspond to the\r\n * reducers and state.\r\n *\r\n * The `reducer` argument is passed to `createReducer()`.\r\n *\r\n * @public\r\n */\r\nexport function createSlice<\r\n State,\r\n CaseReducers extends SliceCaseReducers,\r\n Name extends string = string\r\n>(\r\n options: CreateSliceOptions\r\n): Slice {\r\n const { name, initialState } = options\r\n if (!name) {\r\n throw new Error('`name` is a required option for createSlice')\r\n }\r\n const reducers = options.reducers || {}\r\n const [\r\n extraReducers = {},\r\n actionMatchers = [],\r\n defaultCaseReducer = undefined\r\n ] =\r\n typeof options.extraReducers === 'undefined'\r\n ? []\r\n : typeof options.extraReducers === 'function'\r\n ? executeReducerBuilderCallback(options.extraReducers)\r\n : [options.extraReducers]\r\n\r\n const reducerNames = Object.keys(reducers)\r\n\r\n const sliceCaseReducersByName: Record = {}\r\n const sliceCaseReducersByType: Record = {}\r\n const actionCreators: Record = {}\r\n\r\n reducerNames.forEach(reducerName => {\r\n const maybeReducerWithPrepare = reducers[reducerName]\r\n const type = getType(name, reducerName)\r\n\r\n let caseReducer: CaseReducer\r\n let prepareCallback: PrepareAction | undefined\r\n\r\n if ('reducer' in maybeReducerWithPrepare) {\r\n caseReducer = maybeReducerWithPrepare.reducer\r\n prepareCallback = maybeReducerWithPrepare.prepare\r\n } else {\r\n caseReducer = maybeReducerWithPrepare\r\n }\r\n\r\n sliceCaseReducersByName[reducerName] = caseReducer\r\n sliceCaseReducersByType[type] = caseReducer\r\n actionCreators[reducerName] = prepareCallback\r\n ? createAction(type, prepareCallback)\r\n : createAction(type)\r\n })\r\n\r\n const finalCaseReducers = { ...extraReducers, ...sliceCaseReducersByType }\r\n const reducer = createReducer(\r\n initialState,\r\n finalCaseReducers as any,\r\n actionMatchers,\r\n defaultCaseReducer\r\n )\r\n\r\n return {\r\n name,\r\n reducer,\r\n actions: actionCreators as any,\r\n caseReducers: sliceCaseReducersByName as any\r\n }\r\n}\r\n","import createNextState, { isDraft } from 'immer'\r\nimport { EntityState, PreventAny } from './models'\r\nimport { PayloadAction, isFSA } from '../createAction'\r\n\r\nexport function createSingleArgumentStateOperator(\r\n mutator: (state: EntityState) => void\r\n) {\r\n const operator = createStateOperator((_: undefined, state: EntityState) =>\r\n mutator(state)\r\n )\r\n\r\n return function operation>(\r\n state: PreventAny\r\n ): S {\r\n return operator(state as S, undefined)\r\n }\r\n}\r\n\r\nexport function createStateOperator(\r\n mutator: (arg: R, state: EntityState) => void\r\n) {\r\n return function operation>(\r\n state: S,\r\n arg: R | PayloadAction\r\n ): S {\r\n function isPayloadActionArgument(\r\n arg: R | PayloadAction\r\n ): arg is PayloadAction {\r\n return isFSA(arg)\r\n }\r\n\r\n const runMutator = (draft: EntityState) => {\r\n if (isPayloadActionArgument(arg)) {\r\n mutator(arg.payload, draft)\r\n } else {\r\n mutator(arg, draft)\r\n }\r\n }\r\n\r\n if (isDraft(state)) {\r\n // we must already be inside a `createNextState` call, likely because\r\n // this is being wrapped in `createReducer` or `createSlice`.\r\n // It's safe to just pass the draft to the mutator.\r\n runMutator(state)\r\n\r\n // since it's a draft, we'll just return it\r\n return state\r\n } else {\r\n // @ts-ignore createNextState() produces an Immutable> rather\r\n // than an Immutable, and TypeScript cannot find out how to reconcile\r\n // these two types.\r\n return createNextState(state, runMutator)\r\n }\r\n }\r\n}\r\n","import { IdSelector } from './models'\r\n\r\nexport function selectIdValue(entity: T, selectId: IdSelector) {\r\n const key = selectId(entity)\r\n\r\n if (process.env.NODE_ENV !== 'production' && key === undefined) {\r\n console.warn(\r\n 'The entity passed to the `selectId` implementation returned undefined.',\r\n 'You should probably provide your own `selectId` implementation.',\r\n 'The entity that was passed:',\r\n entity,\r\n 'The `selectId` implementation:',\r\n selectId.toString()\r\n )\r\n }\r\n\r\n return key\r\n}\r\n","import {\r\n EntityState,\r\n EntityStateAdapter,\r\n IdSelector,\r\n Update,\r\n EntityId\r\n} from './models'\r\nimport {\r\n createStateOperator,\r\n createSingleArgumentStateOperator\r\n} from './state_adapter'\r\nimport { selectIdValue } from './utils'\r\n\r\nexport function createUnsortedStateAdapter(\r\n selectId: IdSelector\r\n): EntityStateAdapter {\r\n type R = EntityState\r\n\r\n function addOneMutably(entity: T, state: R): void {\r\n const key = selectIdValue(entity, selectId)\r\n\r\n if (key in state.entities) {\r\n return\r\n }\r\n\r\n state.ids.push(key)\r\n state.entities[key] = entity\r\n }\r\n\r\n function addManyMutably(entities: T[] | Record, state: R): void {\r\n if (!Array.isArray(entities)) {\r\n entities = Object.values(entities)\r\n }\r\n\r\n for (const entity of entities) {\r\n addOneMutably(entity, state)\r\n }\r\n }\r\n\r\n function setAllMutably(entities: T[] | Record, state: R): void {\r\n if (!Array.isArray(entities)) {\r\n entities = Object.values(entities)\r\n }\r\n\r\n state.ids = []\r\n state.entities = {}\r\n\r\n addManyMutably(entities, state)\r\n }\r\n\r\n function removeOneMutably(key: EntityId, state: R): void {\r\n return removeManyMutably([key], state)\r\n }\r\n\r\n function removeManyMutably(keys: EntityId[], state: R): void {\r\n let didMutate = false\r\n\r\n keys.forEach(key => {\r\n if (key in state.entities) {\r\n delete state.entities[key]\r\n didMutate = true\r\n }\r\n })\r\n\r\n if (didMutate) {\r\n state.ids = state.ids.filter(id => id in state.entities)\r\n }\r\n }\r\n\r\n function removeAllMutably(state: R): void {\r\n Object.assign(state, {\r\n ids: [],\r\n entities: {}\r\n })\r\n }\r\n\r\n function takeNewKey(\r\n keys: { [id: string]: EntityId },\r\n update: Update,\r\n state: R\r\n ): boolean {\r\n const original = state.entities[update.id]\r\n const updated: T = Object.assign({}, original, update.changes)\r\n const newKey = selectIdValue(updated, selectId)\r\n const hasNewKey = newKey !== update.id\r\n\r\n if (hasNewKey) {\r\n keys[update.id] = newKey\r\n delete state.entities[update.id]\r\n }\r\n\r\n state.entities[newKey] = updated\r\n\r\n return hasNewKey\r\n }\r\n\r\n function updateOneMutably(update: Update, state: R): void {\r\n return updateManyMutably([update], state)\r\n }\r\n\r\n function updateManyMutably(updates: Update[], state: R): void {\r\n const newKeys: { [id: string]: EntityId } = {}\r\n\r\n const updatesPerEntity: { [id: string]: Update } = {}\r\n\r\n updates.forEach(update => {\r\n // Only apply updates to entities that currently exist\r\n if (update.id in state.entities) {\r\n // If there are multiple updates to one entity, merge them together\r\n updatesPerEntity[update.id] = {\r\n id: update.id,\r\n // Spreads ignore falsy values, so this works even if there isn't\r\n // an existing update already at this key\r\n changes: {\r\n ...(updatesPerEntity[update.id]\r\n ? updatesPerEntity[update.id].changes\r\n : null),\r\n ...update.changes\r\n }\r\n }\r\n }\r\n })\r\n\r\n updates = Object.values(updatesPerEntity)\r\n\r\n const didMutateEntities = updates.length > 0\r\n\r\n if (didMutateEntities) {\r\n const didMutateIds =\r\n updates.filter(update => takeNewKey(newKeys, update, state)).length > 0\r\n\r\n if (didMutateIds) {\r\n state.ids = state.ids.map(id => newKeys[id] || id)\r\n }\r\n }\r\n }\r\n\r\n function upsertOneMutably(entity: T, state: R): void {\r\n return upsertManyMutably([entity], state)\r\n }\r\n\r\n function upsertManyMutably(\r\n entities: T[] | Record,\r\n state: R\r\n ): void {\r\n if (!Array.isArray(entities)) {\r\n entities = Object.values(entities)\r\n }\r\n\r\n const added: T[] = []\r\n const updated: Update[] = []\r\n\r\n for (const entity of entities) {\r\n const id = selectIdValue(entity, selectId)\r\n if (id in state.entities) {\r\n updated.push({ id, changes: entity })\r\n } else {\r\n added.push(entity)\r\n }\r\n }\r\n\r\n updateManyMutably(updated, state)\r\n addManyMutably(added, state)\r\n }\r\n\r\n return {\r\n removeAll: createSingleArgumentStateOperator(removeAllMutably),\r\n addOne: createStateOperator(addOneMutably),\r\n addMany: createStateOperator(addManyMutably),\r\n setAll: createStateOperator(setAllMutably),\r\n updateOne: createStateOperator(updateOneMutably),\r\n updateMany: createStateOperator(updateManyMutably),\r\n upsertOne: createStateOperator(upsertOneMutably),\r\n upsertMany: createStateOperator(upsertManyMutably),\r\n removeOne: createStateOperator(removeOneMutably),\r\n removeMany: createStateOperator(removeManyMutably)\r\n }\r\n}\r\n","import {\r\n EntityState,\r\n IdSelector,\r\n Comparer,\r\n EntityStateAdapter,\r\n Update,\r\n EntityId\r\n} from './models'\r\nimport { createStateOperator } from './state_adapter'\r\nimport { createUnsortedStateAdapter } from './unsorted_state_adapter'\r\nimport { selectIdValue } from './utils'\r\n\r\nexport function createSortedStateAdapter(\r\n selectId: IdSelector,\r\n sort: Comparer\r\n): EntityStateAdapter {\r\n type R = EntityState\r\n\r\n const { removeOne, removeMany, removeAll } = createUnsortedStateAdapter(\r\n selectId\r\n )\r\n\r\n function addOneMutably(entity: T, state: R): void {\r\n return addManyMutably([entity], state)\r\n }\r\n\r\n function addManyMutably(\r\n newModels: T[] | Record,\r\n state: R\r\n ): void {\r\n if (!Array.isArray(newModels)) {\r\n newModels = Object.values(newModels)\r\n }\r\n\r\n const models = newModels.filter(\r\n model => !(selectIdValue(model, selectId) in state.entities)\r\n )\r\n\r\n if (models.length !== 0) {\r\n merge(models, state)\r\n }\r\n }\r\n\r\n function setAllMutably(models: T[] | Record, state: R): void {\r\n if (!Array.isArray(models)) {\r\n models = Object.values(models)\r\n }\r\n state.entities = {}\r\n state.ids = []\r\n\r\n addManyMutably(models, state)\r\n }\r\n\r\n function updateOneMutably(update: Update, state: R): void {\r\n return updateManyMutably([update], state)\r\n }\r\n\r\n function takeUpdatedModel(models: T[], update: Update, state: R): boolean {\r\n if (!(update.id in state.entities)) {\r\n return false\r\n }\r\n\r\n const original = state.entities[update.id]\r\n const updated = Object.assign({}, original, update.changes)\r\n const newKey = selectIdValue(updated, selectId)\r\n\r\n delete state.entities[update.id]\r\n\r\n models.push(updated)\r\n\r\n return newKey !== update.id\r\n }\r\n\r\n function updateManyMutably(updates: Update[], state: R): void {\r\n const models: T[] = []\r\n\r\n updates.forEach(update => takeUpdatedModel(models, update, state))\r\n\r\n if (models.length !== 0) {\r\n merge(models, state)\r\n }\r\n }\r\n\r\n function upsertOneMutably(entity: T, state: R): void {\r\n return upsertManyMutably([entity], state)\r\n }\r\n\r\n function upsertManyMutably(\r\n entities: T[] | Record,\r\n state: R\r\n ): void {\r\n if (!Array.isArray(entities)) {\r\n entities = Object.values(entities)\r\n }\r\n\r\n const added: T[] = []\r\n const updated: Update[] = []\r\n\r\n for (const entity of entities) {\r\n const id = selectIdValue(entity, selectId)\r\n if (id in state.entities) {\r\n updated.push({ id, changes: entity })\r\n } else {\r\n added.push(entity)\r\n }\r\n }\r\n\r\n updateManyMutably(updated, state)\r\n addManyMutably(added, state)\r\n }\r\n\r\n function areArraysEqual(a: unknown[], b: unknown[]) {\r\n if (a.length !== b.length) {\r\n return false\r\n }\r\n\r\n for (let i = 0; i < a.length && i < b.length; i++) {\r\n if (a[i] === b[i]) {\r\n continue\r\n }\r\n return false\r\n }\r\n return true\r\n }\r\n\r\n function merge(models: T[], state: R): void {\r\n models.sort(sort)\r\n\r\n // Insert/overwrite all new/updated\r\n models.forEach(model => {\r\n state.entities[selectId(model)] = model\r\n })\r\n\r\n const allEntities = Object.values(state.entities) as T[]\r\n allEntities.sort(sort)\r\n\r\n const newSortedIds = allEntities.map(selectId)\r\n const { ids } = state\r\n\r\n if (!areArraysEqual(ids, newSortedIds)) {\r\n state.ids = newSortedIds\r\n }\r\n }\r\n\r\n return {\r\n removeOne,\r\n removeMany,\r\n removeAll,\r\n addOne: createStateOperator(addOneMutably),\r\n updateOne: createStateOperator(updateOneMutably),\r\n upsertOne: createStateOperator(upsertOneMutably),\r\n setAll: createStateOperator(setAllMutably),\r\n addMany: createStateOperator(addManyMutably),\r\n updateMany: createStateOperator(updateManyMutably),\r\n upsertMany: createStateOperator(upsertManyMutably)\r\n }\r\n}\r\n","import { EntityDefinition, Comparer, IdSelector, EntityAdapter } from './models'\r\nimport { createInitialStateFactory } from './entity_state'\r\nimport { createSelectorsFactory } from './state_selectors'\r\nimport { createSortedStateAdapter } from './sorted_state_adapter'\r\nimport { createUnsortedStateAdapter } from './unsorted_state_adapter'\r\n\r\n/**\r\n *\r\n * @param options\r\n *\r\n * @public\r\n */\r\nexport function createEntityAdapter