@nodeswork/kiws/dist/handler.js

Koa-based Injectable Web Service

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
require("reflect-metadata");
const _ = require("underscore");
const injection_1 = require("./injection");
exports.HANDLER = 'HANDLER';
const HANDLER_TAGS = ['handler', 'provider'];
exports.ENDPOINT_METADATA_KEY = Symbol('kiws:endpoint');
/**
 * Handler class decorator will register the endpoints declared in the provider
 * to KoaRouter.
 */
function Handler(options = {}) {
    return (constructor) => {
        const endpoints = Reflect.getOwnMetadata(exports.ENDPOINT_METADATA_KEY, constructor.prototype);
        const injectable = injection_1.Injectable({
            inputs: true,
            tags: _.union(HANDLER_TAGS, options.tags || []),
            meta: _.extend({}, options.meta, { endpoints }),
        });
        injectable(constructor);
        constructor.prototype.$getEndpoints = $getEndpoints;
    };
}
exports.Handler = Handler;
function Endpoint(options) {
    return (target, propertyKey, descriptor) => {
        const endpoints = Reflect.getOwnMetadata(exports.ENDPOINT_METADATA_KEY, target) || [];
        endpoints.push(_.extend({}, options, {
            name: propertyKey,
            handler: target.constructor.name,
        }));
        Reflect.defineMetadata(exports.ENDPOINT_METADATA_KEY, endpoints, target);
    };
}
exports.Endpoint = Endpoint;
function $getEndpoints() {
    return Reflect.getOwnMetadata(exports.ENDPOINT_METADATA_KEY, this.constructor.prototype) || [];
}

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