reshuffle
Version:
Reshuffle is a fast, unopinionated, minimalist integration framework
209 lines • 10.5 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
var node_fetch_1 = __importDefault(require("node-fetch"));
var url_1 = require("url");
var reshuffle_base_connector_1 = require("reshuffle-base-connector");
var TimeoutError = /** @class */ (function (_super) {
__extends(TimeoutError, _super);
function TimeoutError() {
return _super !== null && _super.apply(this, arguments) || this;
}
return TimeoutError;
}(Error));
var sanitizePath = function (path) {
var pathNoQueryParam = path.split('?')[0];
return pathNoQueryParam.startsWith('/') ? pathNoQueryParam : "/" + pathNoQueryParam;
};
var HttpConnector = /** @class */ (function (_super) {
__extends(HttpConnector, _super);
function HttpConnector() {
return _super !== null && _super.apply(this, arguments) || this;
}
HttpConnector.prototype.on = function (options, eventId) {
var _a;
var optionsSanitized = { method: options.method, path: sanitizePath(options.path) };
if (!eventId) {
eventId = "HTTP/" + optionsSanitized.method + optionsSanitized.path + "/" + this.id;
}
var event = new reshuffle_base_connector_1.EventConfiguration(eventId, this, optionsSanitized);
this.eventConfigurations[event.id] = event;
(_a = this.app) === null || _a === void 0 ? void 0 : _a.registerHTTPDelegate(event.options.path, this);
return event;
};
HttpConnector.prototype.onStart = function (app) {
var _this = this;
Object.values(this.eventConfigurations).forEach(function (eventConfiguration) {
return app.registerHTTPDelegate(eventConfiguration.options.path, _this);
});
};
HttpConnector.prototype.handle = function (req, res, next) {
var _a;
return __awaiter(this, void 0, void 0, function () {
var method, params, requestPath, handled, eventConfiguration, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
method = req.method, params = req.params;
requestPath = params[0];
handled = false;
eventConfiguration = Object.values(this.eventConfigurations).find(function (_a) {
var options = _a.options;
return options.path === requestPath && options.method === method;
});
if (!eventConfiguration) return [3 /*break*/, 4];
(_a = this.app) === null || _a === void 0 ? void 0 : _a.getLogger().info('Handling event');
if (!this.app) return [3 /*break*/, 2];
return [4 /*yield*/, this.app.handleEvent(eventConfiguration.id, __assign(__assign({}, eventConfiguration), { context: { req: req, res: res } }))];
case 1:
_b = _c.sent();
return [3 /*break*/, 3];
case 2:
_b = false;
_c.label = 3;
case 3:
handled = _b;
_c.label = 4;
case 4:
next();
return [2 /*return*/, handled];
}
});
});
};
HttpConnector.prototype.onStop = function () {
var _this = this;
Object.values(this.eventConfigurations).forEach(function (eventConfiguration) { var _a; return (_a = _this.app) === null || _a === void 0 ? void 0 : _a.unregisterHTTPDelegate(eventConfiguration.options.path); });
};
HttpConnector.prototype.fetch = function (url, options) {
return node_fetch_1["default"](url, options);
};
HttpConnector.prototype.fetchWithRetries = function (url, options, retry) {
if (options === void 0) { options = {}; }
if (retry === void 0) { retry = {}; }
return __awaiter(this, void 0, void 0, function () {
var interval, repeat, backoff, ms, i, e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
interval = retry.interval !== undefined ? retry.interval : 2000;
if (typeof interval !== 'number' || interval < 50 || 5000 < interval) {
throw new Error("Http: Invalid retry interval: " + interval);
}
repeat = retry.repeat !== undefined ? retry.repeat : 5;
if (typeof repeat !== 'number' || repeat < 1 || 10 < repeat) {
throw new Error("Http: Invalid retry repeat: " + repeat);
}
backoff = retry.backoff !== undefined ? retry.backoff : 2;
if (typeof backoff !== 'number' || backoff < 1 || 3 < backoff) {
throw new Error("Http: Invalid retry backoff: " + backoff);
}
ms = interval;
i = 0;
_a.label = 1;
case 1:
if (!(i < repeat)) return [3 /*break*/, 7];
_a.label = 2;
case 2:
_a.trys.push([2, 4, , 5]);
return [4 /*yield*/, this.fetchWithTimeout(url, options, ms)];
case 3: return [2 /*return*/, _a.sent()];
case 4:
e_1 = _a.sent();
if (!(e_1 instanceof TimeoutError)) {
throw e_1;
}
return [3 /*break*/, 5];
case 5:
ms *= backoff;
_a.label = 6;
case 6:
i++;
return [3 /*break*/, 1];
case 7: throw new TimeoutError('Retries timed out');
}
});
});
};
HttpConnector.prototype.fetchWithTimeout = function (url, options, ms) {
var _this = this;
if (typeof ms !== 'number' || ms < 1) {
throw new Error("Http: Invalid timeout: " + ms);
}
return new Promise(function (resolve, reject) {
setTimeout(function () { return reject(new TimeoutError('Timed out')); }, ms);
_this.fetch(url, options).then(resolve, reject);
});
};
HttpConnector.prototype.formatURL = function (components) {
return url_1.format(components);
};
HttpConnector.prototype.parseURL = function (url) {
return new url_1.URL(url);
};
return HttpConnector;
}(reshuffle_base_connector_1.BaseHttpConnector));
exports["default"] = HttpConnector;
//# sourceMappingURL=HttpConnector.js.map