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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | 1x 1x 1x 1x 8x 8x 8x 1x 8x 2x 2x 1x 1x 1x 15x 8x | import { BehaviorSubject } from 'rxjs';
import { AnyAction, Constants, Dispatch, getType } from './utils';
import {
CreateStateRxOpts,
CreateStateRxApi,
createStateRx
} from './create-staterx';
const createActions = <T>({
constant,
dispatch
}: {
constant: Constants;
dispatch: Dispatch;
}) => {
return {
merge: (data: Partial<T>) => dispatch({ type: constant.MERGE, data })
};
};
const createReducer = <T>({ constant }: { constant: Constants }) => (
state: any,
action: AnyAction
): T => {
const type = getType(action);
switch (type) {
case constant.MERGE:
return {
...state,
...action.data
};
default:
return state;
}
};
export interface CreateObjectOpts<T, E>
extends CreateStateRxOpts<E, StateRxObject<T>, T> {}
export interface StateRxObject<T> extends CreateStateRxApi<T> {
merge: (data: Partial<T>) => { type: string; data: T };
}
export const createObject = <T extends {}, E>(
initialState: T,
options: CreateObjectOpts<T, E> = {}
) =>
createStateRx(initialState, options, {
state$: new BehaviorSubject<T>(initialState),
constants: ['MERGE'],
createActions,
createReducer
});
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