@datorama/akita/src/lib/arrayUpdate.js

A Reactive State Management Tailored-Made for JS Applications

import { coerceArray } from './coerceArray';
import { DEFAULT_ID_KEY } from './defaultIDKey';
import { isFunction } from './isFunction';
import { isObject } from './isObject';
/**
 * Update item in a collection
 *
 * @example
 *
 *
 * store.update(1, entity => ({
 *   comments: arrayUpdate(entity.comments, 1, { name: 'newComment' })
 * }))
 */
export function arrayUpdate(arr, predicateOrIds, obj, idKey = DEFAULT_ID_KEY) {
    let condition;
    if (isFunction(predicateOrIds)) {
        condition = predicateOrIds;
    }
    else {
        const ids = coerceArray(predicateOrIds);
        condition = (item) => ids.includes(isObject(item) ? item[idKey] : item) === true;
    }
    const updateFn = (state) => state.map((entity, index) => {
        if (condition(entity, index) === true) {
            return isObject(entity)
                ? {
                    ...entity,
                    ...obj,
                }
                : obj;
        }
        return entity;
    });
    return updateFn(arr);
}
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