@mini-rx/signal-store/esm2022/lib/feature-store.mjs

Signal Store for Angular

import { DestroyRef, inject, untracked } from '@angular/core';
import { createFeatureStoreReducer, createMiniRxActionType, createUpdateFn, generateFeatureKey, generateId, miniRxError, undo, } from '@mini-rx/common';
import { storeCore } from './store-core';
import { createSelectableSignal } from './create-selectable-signal';
import { createRxEffectFn } from './create-rx-effect-fn';
import { createConnectFn } from './create-connect-fn';
export class FeatureStore {
    get featureKey() {
        return this._featureKey;
    }
    get state() {
        return untracked(() => this._state());
    }
    constructor(featureKey, initialState, config = {}) {
        this._state = storeCore.appState.select((state) => state[this.featureKey]);
        this.updateState = (stateOrCallback, operationType, name) => {
            return storeCore.dispatch({
                type: createMiniRxActionType(operationType, this.featureKey, name),
                stateOrCallback,
                featureId: this.featureId,
            });
        };
        this.setState = createUpdateFn(this.updateState);
        this.connect = createConnectFn(this.updateState);
        this.rxEffect = createRxEffectFn();
        this.select = createSelectableSignal(this._state).select;
        this.featureId = generateId();
        this._featureKey = generateFeatureKey(featureKey, config.multi);
        storeCore.addFeature(this._featureKey, createFeatureStoreReducer(this.featureId, initialState));
        inject(DestroyRef).onDestroy(() => this.destroy());
    }
    undo(action) {
        storeCore.hasUndoExtension
            ? storeCore.dispatch(undo(action))
            : miniRxError('UndoExtension is not initialized.');
    }
    destroy() {
        storeCore.removeFeature(this._featureKey);
    }
}
export function createFeatureStore(featureKey, initialState, config = {}) {
    return new FeatureStore(featureKey, initialState, config);
}
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