26 lines
780 B
JavaScript
26 lines
780 B
JavaScript
'use strict';
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exports = module.exports = promiseRetry;
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const assert = require('assert'),
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delay = require('./delay.js'),
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util = require('util');
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async function promiseRetry(options, asyncFunction) {
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assert.strictEqual(typeof options, 'object');
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assert(util.types.isAsyncFunction(asyncFunction));
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const { times, interval } = options;
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for (let i = 0; i < times; i++) {
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try {
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return await asyncFunction(i+1 /* attempt */);
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} catch (error) {
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if (i === times - 1) throw error;
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if (options.retry && !options.retry(error)) throw error; // no more retry
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if (options.debug) options.debug(`Attempt ${i+1} failed. Will retry: ${error.message}`);
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await delay(interval);
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}
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}
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}
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