1 | import {Action} from "redux";
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2 | import {IVirtualStoreConstructor} from "./virtual-store";
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3 |
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4 | export type IAData = any;
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5 |
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6 | export interface IActionData<IData extends IAData> {
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7 | payload?: IData;
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8 | virtualStorage?: string;
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9 | }
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10 |
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11 | export interface IAction<IData extends IAData> extends IActionData<IData>, Action {
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12 | }
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13 |
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14 | export interface IReducer<IData extends IAData, ValueInterface> {
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15 | (state: ValueInterface, action: ReduxAction<IData, ValueInterface>): ValueInterface|void;
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16 | }
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17 |
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18 | export interface ISingleReducer<ValueInterface, IData extends IAData> {
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19 | (state: ValueInterface, action: IData, rawAction: IAction<IData>): ValueInterface|void;
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20 |
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21 | displayName?: string;
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22 | }
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23 |
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24 | export interface IReduxActionConstructor<IData extends IAData, ValueInterface = void> {
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25 | new(payload: IData, virtualStore?: IVirtualStoreConstructor<any>): ReduxAction<IData, ValueInterface>;
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26 |
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27 |
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28 | }
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29 |
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30 | export abstract class ReduxAction<IData extends IAData, VI = void> implements IAction<IData> {
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31 | readonly type: string;
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32 | readonly payload: IData;
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33 | readonly virtualStorage?: string;
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34 |
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35 | constructor(payload: IData, VirtualStore?: IVirtualStoreConstructor<VI>|'*') {
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36 | this.type = this.constructor.name;
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37 | this.payload = payload || null;
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38 | if (VirtualStore) {
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39 | if (typeof VirtualStore === 'string') {
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40 | this.virtualStorage = VirtualStore;
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41 | } else {
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42 | this.virtualStorage = VirtualStore.name;
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43 | }
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44 | if (!this.virtualStorage) {
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45 | throw new TypeError('Action `' + this.type + '`: invalid virtualStorage');
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46 | }
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47 | } else {
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48 | this.virtualStorage = null;
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49 | }
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50 | }
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51 |
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52 | static is(act: IAction<any>) {
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53 | return act.type === this.name;
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54 | }
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55 |
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56 | static compare<VI>(act: IAction<any>,
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57 | Action: IReduxActionConstructor<any, VI>,
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58 | VirtualStore?: IVirtualStoreConstructor<VI>) {
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59 | if (VirtualStore) {
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60 | return act && act.virtualStorage
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61 | && act.type === Action.name
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62 | && act.virtualStorage === VirtualStore.name;
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63 | } else {
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64 | return act && act.type === Action.name;
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65 | }
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66 | }
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67 |
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68 | toJSON(): IAction<IData> {
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69 | return {
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70 | type: this.type,
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71 | virtualStorage: this.virtualStorage,
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72 | payload: this.payload,
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73 | }
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74 | }
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75 | }
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