118 lines
5.5 KiB
JavaScript
118 lines
5.5 KiB
JavaScript
|
"use strict";
|
||
|
|
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 };
|
||
|
|
}
|
||
|
|
};
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
var options_1 = require("./options");
|
||
|
|
var delay_factory_1 = require("./delay/delay.factory");
|
||
|
|
function backOff(request, options) {
|
||
|
|
if (options === void 0) { options = {}; }
|
||
|
|
return __awaiter(this, void 0, void 0, function () {
|
||
|
|
var sanitizedOptions, backOff;
|
||
|
|
return __generator(this, function (_a) {
|
||
|
|
switch (_a.label) {
|
||
|
|
case 0:
|
||
|
|
sanitizedOptions = options_1.getSanitizedOptions(options);
|
||
|
|
backOff = new BackOff(request, sanitizedOptions);
|
||
|
|
return [4 /*yield*/, backOff.execute()];
|
||
|
|
case 1: return [2 /*return*/, _a.sent()];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
exports.backOff = backOff;
|
||
|
|
var BackOff = /** @class */ (function () {
|
||
|
|
function BackOff(request, options) {
|
||
|
|
this.request = request;
|
||
|
|
this.options = options;
|
||
|
|
this.attemptNumber = 0;
|
||
|
|
}
|
||
|
|
BackOff.prototype.execute = function () {
|
||
|
|
return __awaiter(this, void 0, void 0, function () {
|
||
|
|
var e_1, shouldRetry;
|
||
|
|
return __generator(this, function (_a) {
|
||
|
|
switch (_a.label) {
|
||
|
|
case 0:
|
||
|
|
if (!!this.attemptLimitReached) return [3 /*break*/, 7];
|
||
|
|
_a.label = 1;
|
||
|
|
case 1:
|
||
|
|
_a.trys.push([1, 4, , 6]);
|
||
|
|
return [4 /*yield*/, this.applyDelay()];
|
||
|
|
case 2:
|
||
|
|
_a.sent();
|
||
|
|
return [4 /*yield*/, this.request()];
|
||
|
|
case 3: return [2 /*return*/, _a.sent()];
|
||
|
|
case 4:
|
||
|
|
e_1 = _a.sent();
|
||
|
|
this.attemptNumber++;
|
||
|
|
return [4 /*yield*/, this.options.retry(e_1, this.attemptNumber)];
|
||
|
|
case 5:
|
||
|
|
shouldRetry = _a.sent();
|
||
|
|
if (!shouldRetry || this.attemptLimitReached) {
|
||
|
|
throw e_1;
|
||
|
|
}
|
||
|
|
return [3 /*break*/, 6];
|
||
|
|
case 6: return [3 /*break*/, 0];
|
||
|
|
case 7: throw new Error("Something went wrong.");
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
Object.defineProperty(BackOff.prototype, "attemptLimitReached", {
|
||
|
|
get: function () {
|
||
|
|
return this.attemptNumber >= this.options.numOfAttempts;
|
||
|
|
},
|
||
|
|
enumerable: true,
|
||
|
|
configurable: true
|
||
|
|
});
|
||
|
|
BackOff.prototype.applyDelay = function () {
|
||
|
|
return __awaiter(this, void 0, void 0, function () {
|
||
|
|
var delay;
|
||
|
|
return __generator(this, function (_a) {
|
||
|
|
switch (_a.label) {
|
||
|
|
case 0:
|
||
|
|
delay = delay_factory_1.DelayFactory(this.options, this.attemptNumber);
|
||
|
|
return [4 /*yield*/, delay.apply()];
|
||
|
|
case 1:
|
||
|
|
_a.sent();
|
||
|
|
return [2 /*return*/];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
return BackOff;
|
||
|
|
}());
|
||
|
|
//# sourceMappingURL=backoff.js.map
|