@fabric-es/fabric-cqrs/dist/queryHandler/commitsToGroupByEntityId.js

Hyperledger Fabric middleware for event sourcing and cqrs pattern

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.commitsToGroupByEntityId = void 0;
const commitsToGroupByEntityId = (commits, reducer) => {
    const groupedByEntityId = commits.reduce((commit, { entityId, events }) => {
        commit[entityId] = commit[entityId] || [];
        events.forEach((item) => commit[entityId].push(item));
        return commit;
    }, {});
    const currentStates = [];
    const errors = [];
    Object.entries(groupedByEntityId).forEach(([entityId, events]) => {
        const currentState = reducer(events);
        if (currentState)
            currentStates.push(currentState);
        else
            errors.push(entityId);
    });
    return { currentStates, errors };
};
exports.commitsToGroupByEntityId = commitsToGroupByEntityId;
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