ts-retry
Version:
A little retry tool to execute a function until the function is successful. Can also bind a timeout to a function. This lib is usable in typescript, in javascript, in node, in SPA tools (rest, Vue, Svelte...) and browser (available in ESM and common js fo
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JavaScript
;
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());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.retryAsync = exports.retry = void 0;
const misc_1 = require("../misc");
const wait_1 = require("../wait/wait");
const parameters_1 = require("./parameters");
const abortError_1 = require("./utils/erros/abortError");
const tooManyTries_1 = require("./utils/erros/tooManyTries");
function retry(fn, retryOptions) {
return __awaiter(this, void 0, void 0, function* () {
const fnAsync = (0, misc_1.asyncDecorator)(fn);
return yield retryAsync(fnAsync, retryOptions);
});
}
exports.retry = retry;
function retryAsync(fn, retryOptions) {
return __awaiter(this, void 0, void 0, function* () {
const retryParameters = (0, parameters_1.getRetryParameters)(1, retryOptions);
return yield actualRetry(fn, retryParameters);
});
}
exports.retryAsync = retryAsync;
function actualRetry(fn, retryParameters) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const canRecall = retryParameters.currentTry < retryParameters.maxTry;
try {
const result = yield fn();
if (retryParameters.until(result)) {
if (retryParameters.onSuccessFunc) {
retryParameters.onSuccessFunc(result, retryParameters.currentTry);
}
return result;
}
else if (canRecall) {
// i.e. throw so that we log via retryParameters.onError below
// as !isTooManyTries && canRecall
throw new Error("function result failed to meet until() requirements");
}
else {
throw new tooManyTries_1.TooManyTries(result);
}
}
catch (err) {
if (!(0, tooManyTries_1.isTooManyTries)(err) && canRecall) {
const canRecall = (_a = retryParameters.onError) === null || _a === void 0 ? void 0 : _a.call(retryParameters, err, retryParameters.currentTry);
if (canRecall === false) {
throw new abortError_1.AbortError(err, retryParameters.currentTry);
}
return yield recall(fn, retryParameters);
}
else {
if (retryParameters.onMaxRetryFunc) {
retryParameters.onMaxRetryFunc(err, retryParameters.currentTry);
}
throw err;
}
}
});
}
function recall(fn, retryParameters, lastResult) {
return __awaiter(this, void 0, void 0, function* () {
const delay = retryParameters.delay({
currentTry: retryParameters.currentTry,
maxTry: retryParameters.maxTry,
lastDelay: retryParameters.lastDelay,
lastResult
});
yield (0, wait_1.wait)(delay);
const newRetryParameters = Object.assign(Object.assign({}, retryParameters), { currentTry: retryParameters.currentTry + 1 });
return yield actualRetry(fn, newRetryParameters);
});
}
;