@villedemontreal/workit-core/lib/src/interceptors.js

This package provides default and no-op implementations of the WorkIt types for client packages.

"use strict";
/*
 * Copyright (c) 2025 Ville de Montreal. All rights reserved.
 * Licensed under the MIT license.
 * See LICENSE file in the project root for full license information.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.Interceptors = void 0;
const utils_1 = require("./utils/utils");
class Interceptors {
    /**
     * It will execute all interceptors concurrently (limited by INTERCEPTOR_ASYNC_LIMIT env, default 3)
     * body message will be untouched
     * properties will be merged from all returned messages
     */
    static async execute(interceptors, message) {
        const interceptorsSanitized = Interceptors.sanitize(interceptors);
        if (!interceptorsSanitized) {
            return message;
        }
        return Interceptors._internalExecute(interceptorsSanitized, message);
    }
    static async _internalExecute(interceptors, message) {
        let msg = message;
        // eslint-disable-next-line no-restricted-syntax
        for (const interceptor of interceptors) {
            msg = await interceptor(msg);
        }
        Interceptors._validateMessage(msg);
        return msg;
    }
    static _validateMessage(msg) {
        // light validation, perhaps we should check properties
        const isObj = (0, utils_1.isObject)(msg);
        if (!isObj || !(0, utils_1.isObject)(msg.body) || !(0, utils_1.isObject)(msg.properties)) {
            throw Error(`interceptor must return IMessage object`);
        }
    }
}
exports.Interceptors = Interceptors;
Interceptors.sanitize = (interceptors) => {
    if (!interceptors || (0, utils_1.isEmptyArray)(interceptors)) {
        return undefined;
    }
    const isInterceptor = (0, utils_1.isFunction)(interceptors);
    if (!isInterceptor && !(0, utils_1.isArrayOfFunctions)(interceptors)) {
        throw new Error('interceptors passed in parameter are not valid.');
    }
    if (isInterceptor) {
        return [interceptors];
    }
    return interceptors;
};
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