lemon-engine
Version:
Lemon Engine Module to Synchronize Node over DynamoDB + ElastiCache + Elasticsearch by [lemoncloud](https://lemoncloud.io)
138 lines • 6.25 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var http_proxy_1 = __importDefault(require("./http-proxy"));
var maker = function (_$, name, options) {
name = name || 'WS';
var $U = _$.U; // re-use global instance (utils).
var $_ = _$._; // re-use global instance (_ lodash).
if (!$U)
throw new Error('$U is required!');
if (!$_)
throw new Error('$_ is required!');
var NS = $U.NS(name, 'yellow'); // NAMESPACE TO BE PRINTED.
//! load common functions
var _log = _$.log;
var _inf = _$.inf;
var _err = _$.err;
/** ****************************************************************************************************************
* Internal Proxy Function
** ****************************************************************************************************************/
var ENDPOINT = $U.env('WS_ENDPOINT', typeof options == 'string' ? options : '');
var HEADERS = options && (typeof options === 'object' ? options.headers : null) || null; // headers to pass.
var $proxy = function () {
if (!ENDPOINT)
throw new Error('env:WS_ENDPOINT is required!');
//! re-use proxy by name
var SVC = 'X' + name;
var $SVC = _$(SVC, null);
if ($SVC)
return $SVC;
//! prepare options.
var options = {
endpoint: ENDPOINT,
};
//! relay HEADERS to `WEB-API`
if (HEADERS) {
var RELAY_KEY_1 = 'x-lemon-';
options.headers = Object.keys(HEADERS).reduce(function (H, key, i) {
var val = HEADERS[key];
var name = RELAY_KEY_1 + key;
var text = "" + val;
H[name] = text;
return H;
}, {});
}
//! will register service as <SVC>.
return http_proxy_1.default(_$, SVC, options);
};
/** ****************************************************************************************************************
* Main Implementation.
** ****************************************************************************************************************/
var thiz = new (/** @class */ (function () {
function class_1() {
this.name = function () { return "web-proxy:" + name; };
this.endpoint = function () { return ENDPOINT; };
}
/**
* GET HOST/PATH?$param
*
*
* @param host hostname like (127.0.0.1, https://127.0.0.1, 127.0.0.1:8080)
* @param path full path
* @param $opt optional settings
* @param $param query parameter (if string, then direct use w/o encoding)
* @param $body body payload (if string, then use as payload)
*/
class_1.prototype.do_get = function (host, path, $opt, $param, $body) {
if ($body)
return Promise.reject(new Error(NS + ':$body is invalid!'));
if (host === undefined)
return Promise.reject(new Error(NS + ':host is required!'));
// if (path === undefined) return Promise.reject(new Error(NS + ':path is required!'));
// if ($opt === undefined) return Promise.reject(new Error(NS + ':$opt is required!'));
return $proxy()
.do_get(host, path, undefined, $param, $body)
.then(function (_) { return _.result; });
};
/**
* PUT HOST/PATH?$param
*
*/
class_1.prototype.do_put = function (host, path, $opt, $param, $body) {
if (host === undefined)
return Promise.reject(new Error(NS + ':host is required!'));
// if (path === undefined) return Promise.reject(new Error(NS + ':path is required!'));
// if ($opt === undefined) return Promise.reject(new Error(NS + ':$opt is required!'));
return $proxy()
.do_put(host, path, undefined, $param, $body)
.then(function (_) { return _.result; });
};
/**
* POST HOST/PATH?$param
*
*/
class_1.prototype.do_post = function (host, path, $opt, $param, $body) {
if (host === undefined)
return Promise.reject(new Error(NS + ':host is required!'));
// if (path === undefined) return Promise.reject(new Error(NS + ':path is required!'));
// if ($opt === undefined) return Promise.reject(new Error(NS + ':$opt is required!'));
return $proxy()
.do_post(host, path, undefined, $param, $body)
.then(function (_) { return _.result; });
};
/**
* PATCH HOST/PATH?$param
*
*/
class_1.prototype.do_patch = function (host, path, $opt, $param, $body) {
if (host === undefined)
return Promise.reject(new Error(NS + ':host is required!'));
// if (path === undefined) return Promise.reject(new Error(NS + ':path is required!'));
// if ($opt === undefined) return Promise.reject(new Error(NS + ':$opt is required!'));
return $proxy()
.do_patch(host, path, undefined, $param, $body)
.then(function (_) { return _.result; });
};
/**
* DELETE HOST/PATH?$param
*
*/
class_1.prototype.do_delete = function (host, path, $opt, $param, $body) {
if (host === undefined)
return Promise.reject(new Error(NS + ':host is required!'));
// if (path === undefined) return Promise.reject(new Error(NS + ':path is required!'));
// if ($opt === undefined) return Promise.reject(new Error(NS + ':$opt is required!'));
return $proxy()
.do_delete(host, path, undefined, $param, $body)
.then(function (_) { return _.result; });
};
return class_1;
}()))();
//! create & register service.
return _$(name, thiz);
};
exports.default = maker;
//# sourceMappingURL=web-proxy.js.map