136 lines
2.4 KiB
TypeScript
136 lines
2.4 KiB
TypeScript
// Copyright 2019-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { omit } from 'lodash';
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import * as storageShim from '../../shims/storage';
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import { useBoundActions } from '../../util/hooks';
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// State
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export type ItemsStateType = {
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readonly [key: string]: unknown;
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};
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// Actions
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type ItemPutAction = {
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type: 'items/PUT';
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payload: null;
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};
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type ItemPutExternalAction = {
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type: 'items/PUT_EXTERNAL';
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payload: {
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key: string;
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value: unknown;
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};
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};
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type ItemRemoveAction = {
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type: 'items/REMOVE';
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payload: null;
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};
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type ItemRemoveExternalAction = {
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type: 'items/REMOVE_EXTERNAL';
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payload: string;
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};
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type ItemsResetAction = {
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type: 'items/RESET';
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};
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export type ItemsActionType =
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| ItemPutAction
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| ItemPutExternalAction
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| ItemRemoveAction
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| ItemRemoveExternalAction
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| ItemsResetAction;
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// Action Creators
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export const actions = {
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onSetSkinTone,
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putItem,
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putItemExternal,
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removeItem,
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removeItemExternal,
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resetItems,
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};
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export const useActions = (): typeof actions => useBoundActions(actions);
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function putItem(key: string, value: unknown): ItemPutAction {
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storageShim.put(key, value);
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return {
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type: 'items/PUT',
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payload: null,
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};
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}
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function onSetSkinTone(tone: number): ItemPutAction {
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return putItem('skinTone', tone);
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}
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function putItemExternal(key: string, value: unknown): ItemPutExternalAction {
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return {
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type: 'items/PUT_EXTERNAL',
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payload: {
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key,
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value,
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},
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};
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}
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function removeItem(key: string): ItemRemoveAction {
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storageShim.remove(key);
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return {
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type: 'items/REMOVE',
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payload: null,
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};
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}
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function removeItemExternal(key: string): ItemRemoveExternalAction {
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return {
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type: 'items/REMOVE_EXTERNAL',
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payload: key,
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};
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}
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function resetItems(): ItemsResetAction {
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return { type: 'items/RESET' };
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}
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// Reducer
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function getEmptyState(): ItemsStateType {
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return {};
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}
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export function reducer(
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state: Readonly<ItemsStateType> = getEmptyState(),
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action: Readonly<ItemsActionType>
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): ItemsStateType {
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if (action.type === 'items/PUT_EXTERNAL') {
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const { payload } = action;
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return {
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...state,
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[payload.key]: payload.value,
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};
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}
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if (action.type === 'items/REMOVE_EXTERNAL') {
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const { payload } = action;
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return omit(state, payload);
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}
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if (action.type === 'items/RESET') {
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return getEmptyState();
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}
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return state;
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}
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