@datorama/akita
Version:
State Management Tailored-Made for JS Applications
69 lines • 6.75 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { toEntitiesObject } from './toEntitiesObject';
import { isArray } from './isArray';
import { hasActiveState, resolveActiveEntity } from './activeState';
// @internal
/**
* @template Entity
* @param {?} state
* @return {?}
*/
export function isEntityState(state) {
return state.entities && state.ids;
}
// @internal
/**
* @template E
* @param {?} entities
* @param {?} preAddEntity
* @return {?}
*/
function applyMiddleware(entities, preAddEntity) {
/** @type {?} */
let mapped = {};
for (const id of Object.keys(entities)) {
mapped[id] = preAddEntity(entities[id]);
}
return mapped;
}
// @internal
/**
* @template S, E
* @param {?} __0
* @return {?}
*/
export function setEntities({ state, entities, idKey, preAddEntity, isNativePreAdd }) {
/** @type {?} */
let newEntities;
/** @type {?} */
let newIds;
if (isArray(entities)) {
/** @type {?} */
const resolve = toEntitiesObject(entities, idKey, preAddEntity);
newEntities = resolve.entities;
newIds = resolve.ids;
}
else if (isEntityState(entities)) {
newEntities = isNativePreAdd ? entities.entities : applyMiddleware(entities.entities, preAddEntity);
newIds = entities.ids;
}
else {
// it's an object
newEntities = isNativePreAdd ? entities : applyMiddleware(entities, preAddEntity);
newIds = Object.keys(newEntities).map((/**
* @param {?} id
* @return {?}
*/
id => (isNaN((/** @type {?} */ (id))) ? id : Number(id))));
}
/** @type {?} */
const newState = Object.assign({}, state, { entities: newEntities, ids: newIds, loading: false });
if (hasActiveState(state)) {
newState.active = resolveActiveEntity((/** @type {?} */ (newState)));
}
return newState;
}
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