@fabric-es/fabric-cqrs/dist/unit-test-counter/reducer.js

Hyperledger Fabric middleware for event sourcing and cqrs pattern

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.reducerCallback = void 0;
const reducerCallback = (state, { type, payload: { id, desc, tag } }) => {
    if (!state)
        state = { id: null, desc: null, tag: null, value: 0 };
    return ({
        Increment: Object.assign(Object.assign({}, state), { value: state.value + 1, id,
            desc,
            tag }),
        Decrement: Object.assign(Object.assign({}, state), { value: state.value - 1, id,
            desc,
            tag }),
    }[type] || state);
};
exports.reducerCallback = reducerCallback;
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