typedux/dist/commonjs/util/ActionMapper.js

Slightly adjusted Redux (awesome by default) for TS

"use strict";
/**
 * Create a simple mapped reducer fn
 *
 * @param propertyKey
 * @param args
 * @returns {function(S, M): S}
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeMappedReducerFn = void 0;
function makeMappedReducerFn(propertyKey, args) {
    return (state, message) => {
        let stateFn = state[propertyKey];
        if (!stateFn)
            throw new Error(`Unable to find mapped reduce function on state ${propertyKey}`);
        if (state && typeof state.withMutation === 'function') {
            const newState = state.withMutation(tempState => {
                tempState = tempState[propertyKey](...args);
                return tempState;
            });
            return ((newState === state) ? state : newState);
        }
        else {
            return stateFn(...args);
        }
    };
}
exports.makeMappedReducerFn = makeMappedReducerFn;
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