jsev/lib/middlewares/services.js

Environment for building Web API's.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utilities_1 = require("../utilities");
exports.default = (env) => {
    if (!env.cfg.services) {
        return null;
    }
    const cfg = env.cfg.services;
    const { log } = env;
    const serviceModules = utilities_1.exportModulesSync(cfg.path);
    const services = Object.entries(serviceModules).reduce((a, x) => {
        const [svcName, svcLoader] = x;
        if (!utilities_1.isFunction(svcLoader.init)) {
            log.warn(`No init function found for ${svcName}`);
            return a;
        }
        const svc = svcLoader.init(env);
        if (!svc) {
            log.debug(`${svcName} was not loaded`);
            return a;
        }
        a[svcName] = svc;
        log.info(`Loaded ${svcName}`);
        return a;
    }, {});
    return {
        func: (ctx, next) => {
            ctx.services = Object.entries(services).reduce((a, x) => {
                const [name, Svc] = x;
                try {
                    a[name] = new Svc(ctx);
                }
                catch (err) {
                    err.message = `Failed to load ${name}`;
                    throw err;
                }
                return a;
            }, {});
            return next();
        },
        rank: 20,
    };
};
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