@guilhermemj/insistent/dist/index.js

A simple library to retry functions

"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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createInsistent = exports.insistOn = void 0;
function sleep(duration) {
    return new Promise(r => setTimeout(r, duration));
}
function insistOn(targetFn, options = {}) {
    var _a, _b, _c, _d;
    return __awaiter(this, void 0, void 0, function* () {
        const shouldRetry = (_a = options.retryWhen) !== null && _a !== void 0 ? _a : (() => true);
        const retryCount = (_b = options.maxRetries) !== null && _b !== void 0 ? _b : 3;
        const retryInterval = (_c = options.retryInterval) !== null && _c !== void 0 ? _c : 0;
        const getNextInterval = (_d = options.incrementIntervalWith) !== null && _d !== void 0 ? _d : (last => last);
        if (retryInterval < 0) {
            throw new RangeError("retryInterval must be greater than or equal 0");
        }
        try {
            // TODO: Call targetFn with some running metadata
            return yield targetFn();
        }
        catch (error) {
            if (retryCount <= 0 || !shouldRetry(error)) {
                throw error;
            }
            if (retryInterval > 0) {
                yield sleep(retryInterval);
            }
            return yield insistOn(targetFn, Object.assign(Object.assign({}, options), { maxRetries: retryCount - 1, retryInterval: getNextInterval(retryInterval) }));
        }
    });
}
exports.insistOn = insistOn;
function createInsistent(defaultOptions) {
    return (fn, options = {}) => insistOn(fn, Object.assign(Object.assign({}, defaultOptions), options));
}
exports.createInsistent = createInsistent;
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