helene/utils/intercept.js

Real-time Web Apps for Node.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.intercept = intercept;
const isNil_1 = __importDefault(require("lodash/isNil"));
const isPlainObject_1 = __importDefault(require("lodash/isPlainObject"));
/**
 * Get the params and the result and combine in a single output.
 *
 * @param func
 */
function intercept(func) {
    return async function (params) {
        let result = func.call(this, params);
        if (func.constructor.name === 'AsyncFunction' || result instanceof Promise)
            result = await result;
        /**
         * If the result is not an object, return it as is. We need to support primitives.
         */
        if (!(0, isNil_1.default)(result) && !(0, isPlainObject_1.default)(result)) {
            return result;
        }
        return Object.assign({}, params, result ?? {});
    };
}
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