reactive-actor/src/lib/operators/validate.operator.js

Actor model implementation with rxjs

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.validate = void 0;
const rxjs_1 = require("rxjs");
/**
 * Validates the source emitted value, throws an error when validation
 * doesn't pass
 * @param params -
 * - validation: predicate function to test emitted value
 * - error: message in case of error
 * @returns an operator function that validates emitted values
 */
function validate({ validation, error = '', }) {
    return (source$) => source$.pipe((0, rxjs_1.concatMap)((value) => validation(value) ? (0, rxjs_1.of)(value) : (0, rxjs_1.throwError)(() => new Error(error))));
}
exports.validate = validate;
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