codekingpro/portable-devtools
114k
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");
41/**
42 * Executes a function with exponential backoff.
43 * @param request the function to be executed
44 * @param options options to customize the backoff behavior
45 * @returns Promise that resolves to the result of the `request` function
46 */
47function backOff(request, options) {
48 if (options === void 0) { options = {}; }
49 return __awaiter(this, void 0, void 0, function () {
50 var sanitizedOptions, backOff;
51 return __generator(this, function (_a) {
52 switch (_a.label) {
53 case 0:
54 sanitizedOptions = options_1.getSanitizedOptions(options);
55 backOff = new BackOff(request, sanitizedOptions);
56 return [4 /*yield*/, backOff.execute()];
57 case 1: return [2 /*return*/, _a.sent()];
58 }
59 });
60 });
61}
62exports.backOff = backOff;
63var BackOff = /** @class */ (function () {
64 function BackOff(request, options) {
65 this.request = request;
66 this.options = options;
67 this.attemptNumber = 0;
68 }
69 BackOff.prototype.execute = function () {
70 return __awaiter(this, void 0, void 0, function () {
71 var e_1, shouldRetry;
72 return __generator(this, function (_a) {
73 switch (_a.label) {
74 case 0:
75 if (!!this.attemptLimitReached) return [3 /*break*/, 7];
76 _a.label = 1;
77 case 1:
78 _a.trys.push([1, 4, , 6]);
79 return [4 /*yield*/, this.applyDelay()];
80 case 2:
81 _a.sent();
82 return [4 /*yield*/, this.request()];
83 case 3: return [2 /*return*/, _a.sent()];
84 case 4:
85 e_1 = _a.sent();
86 this.attemptNumber++;
87 return [4 /*yield*/, this.options.retry(e_1, this.attemptNumber)];
88 case 5:
89 shouldRetry = _a.sent();
90 if (!shouldRetry || this.attemptLimitReached) {
91 throw e_1;
92 }
93 return [3 /*break*/, 6];
94 case 6: return [3 /*break*/, 0];
95 case 7: throw new Error("Something went wrong.");
96 }
97 });
98 });
99 };
100 Object.defineProperty(BackOff.prototype, "attemptLimitReached", {
101 get: function () {
102 return this.attemptNumber >= this.options.numOfAttempts;
103 },
104 enumerable: true,
105 configurable: true
106 });
107 BackOff.prototype.applyDelay = function () {
108 return __awaiter(this, void 0, void 0, function () {
109 var delay;
110 return __generator(this, function (_a) {
111 switch (_a.label) {
112 case 0:
113 delay = delay_factory_1.DelayFactory(this.options, this.attemptNumber);
114 return [4 /*yield*/, delay.apply()];
115 case 1:
116 _a.sent();
117 return [2 /*return*/];
118 }
119 });
120 });
121 };
122 return BackOff;
123}());
124//# sourceMappingURL=backoff.js.map