@cashfarm/tractor/decorators/endpoint.js

A Hapi server with superpowers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const debug = require('debug')('tractor:ioc');
exports.EndpointMetadataKey = Symbol.for('tractor:controller:endpoints');
/**
 * The endpoint metadata class
 *
 * When an endpoint is declared in Tractor using the `@Endpoint` decorator,
 * an instance of EndpointMetadata will be created to hold the metadata
 * and stored using `Reflect.defineMetada` in an array of endpoints referenced
 * by the metadata key `'tractor:controller:endpoint'`.
 */
class EndpointMetadata {
    constructor(method, path, { vhost, description, notes, tags, validate, response, auth } = {}) {
        this.method = method;
        this.path = path;
        this.description = description;
        this.notes = notes;
        this.tags = tags;
        this.validate = validate;
        this.response = response;
        this.vhost = vhost;
        this.auth = auth;
    }
}
exports.EndpointMetadata = EndpointMetadata;
/**
 * The `@Endpoint` decorator
 *
 * Marks a controller method as an API endpoint
 *
 * @param method The http methods this endpoint will respond to
 * @param path The endpoint's path
 * @param options Hapi endpoint options
 */
function Endpoint(method, path, options) {
    const metadata = new EndpointMetadata(method, path, options);
    // when called via `new Endpoint()` or `Endpoint()` just return the decorator instance
    // tslint:disable-next-line:no-invalid-this
    if (this instanceof Endpoint) {
        return metadata;
    }
    return (target, propertyKey, descriptor) => {
        const klass = target.constructor === Function ? target : target.constructor;
        const meta = Reflect.getOwnMetadata(exports.EndpointMetadataKey, klass) || {};
        meta[propertyKey] = metadata;
        debug(`Registering endpoint ${metadata.method} ${metadata.path ? metadata.path : "''"} to ${target.constructor.name}.${String(propertyKey)}`);
        Reflect.defineMetadata(exports.EndpointMetadataKey, meta, target.constructor);
    };
}
exports.Endpoint = Endpoint;
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