1"use strict"; 2var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { 3 function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } 4 return new (P || (P = Promise))(function (resolve, reject) { 5 function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } 6 function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } 7 function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } 8 step((generator = generator.apply(thisArg, _arguments || [])).next()); 9 }); 10}; 11var __generator = (this && this.__generator) || function (thisArg, body) { 12 var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; 13 return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; 14 function verb(n) { return function (v) { return step([n, v]); }; } 15 function step(op) { 16 if (f) throw new TypeError("Generator is already executing."); 17 while (_) try { 18 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; 19 if (y = 0, t) op = [op[0] & 2, t.value]; 20 switch (op[0]) { 21 case 0: case 1: t = op; break; 22 case 4: _.label++; return { value: op[1], done: false }; 23 case 5: _.label++; y = op[1]; op = [0]; continue; 24 case 7: op = _.ops.pop(); _.trys.pop(); continue; 25 default: 26 if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } 27 if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } 28 if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } 29 if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } 30 if (t[2]) _.ops.pop(); 31 _.trys.pop(); continue; 32 } 33 op = body.call(thisArg, _); 34 } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } 35 if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; 36 } 37}; 38Object.defineProperty(exports, "__esModule", { value: true }); 39var options_1 = require("./options"); 40var delay_factory_1 = require("./delay/delay.factory"); 41function backOff(request, options) { 42 if (options === void 0) { options = {}; } 43 return __awaiter(this, void 0, void 0, function () { 44 var sanitizedOptions, backOff; 45 return __generator(this, function (_a) { 46 switch (_a.label) { 47 case 0: 48 sanitizedOptions = options_1.getSanitizedOptions(options); 49 backOff = new BackOff(request, sanitizedOptions); 50 return [4 /*yield*/, backOff.execute()]; 51 case 1: return [2 /*return*/, _a.sent()]; 52 } 53 }); 54 }); 55} 56exports.backOff = backOff; 57var BackOff = /** @class */ (function () { 58 function BackOff(request, options) { 59 this.request = request; 60 this.options = options; 61 this.attemptNumber = 0; 62 } 63 BackOff.prototype.execute = function () { 64 return __awaiter(this, void 0, void 0, function () { 65 var e_1, shouldRetry; 66 return __generator(this, function (_a) { 67 switch (_a.label) { 68 case 0: 69 if (!!this.attemptLimitReached) return [3 /*break*/, 7]; 70 _a.label = 1; 71 case 1: 72 _a.trys.push([1, 4, , 6]); 73 return [4 /*yield*/, this.applyDelay()]; 74 case 2: 75 _a.sent(); 76 return [4 /*yield*/, this.request()]; 77 case 3: return [2 /*return*/, _a.sent()]; 78 case 4: 79 e_1 = _a.sent(); 80 this.attemptNumber++; 81 return [4 /*yield*/, this.options.retry(e_1, this.attemptNumber)]; 82 case 5: 83 shouldRetry = _a.sent(); 84 if (!shouldRetry || this.attemptLimitReached) { 85 throw e_1; 86 } 87 return [3 /*break*/, 6]; 88 case 6: return [3 /*break*/, 0]; 89 case 7: throw new Error("Something went wrong."); 90 } 91 }); 92 }); 93 }; 94 Object.defineProperty(BackOff.prototype, "attemptLimitReached", { 95 get: function () { 96 return this.attemptNumber >= this.options.numOfAttempts; 97 }, 98 enumerable: true, 99 configurable: true 100 }); 101 BackOff.prototype.applyDelay = function () { 102 return __awaiter(this, void 0, void 0, function () { 103 var delay; 104 return __generator(this, function (_a) { 105 switch (_a.label) { 106 case 0: 107 delay = delay_factory_1.DelayFactory(this.options, this.attemptNumber); 108 return [4 /*yield*/, delay.apply()]; 109 case 1: 110 _a.sent(); 111 return [2 /*return*/]; 112 } 113 }); 114 }); 115 }; 116 return BackOff; 117}()); 118//# sourceMappingURL=backoff.js.map