63 lines
2 KiB
JavaScript
63 lines
2 KiB
JavaScript
// note: max backoff is the maximum that any *single* backoff will do
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export const MAXBACKOFF = 200;
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export const RATE = 1.2;
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export const MAXRETRIES = 10;
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export const codes = new Set(['EMFILE', 'ENFILE', 'EBUSY']);
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export const retryBusy = (fn) => {
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const method = async (path, opt, backoff = 1, total = 0) => {
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const mbo = opt.maxBackoff || MAXBACKOFF;
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const rate = opt.backoff || RATE;
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const max = opt.maxRetries || MAXRETRIES;
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let retries = 0;
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while (true) {
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try {
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return await fn(path);
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}
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catch (er) {
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const fer = er;
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if (fer?.path === path && fer?.code && codes.has(fer.code)) {
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backoff = Math.ceil(backoff * rate);
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total = backoff + total;
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if (total < mbo) {
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return new Promise((res, rej) => {
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setTimeout(() => {
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method(path, opt, backoff, total).then(res, rej);
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}, backoff);
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});
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}
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if (retries < max) {
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retries++;
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continue;
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}
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}
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throw er;
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}
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}
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};
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return method;
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};
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// just retries, no async so no backoff
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export const retryBusySync = (fn) => {
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const method = (path, opt) => {
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const max = opt.maxRetries || MAXRETRIES;
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let retries = 0;
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while (true) {
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try {
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return fn(path);
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}
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catch (er) {
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const fer = er;
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if (fer?.path === path &&
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fer?.code &&
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codes.has(fer.code) &&
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retries < max) {
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retries++;
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continue;
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}
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throw er;
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}
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}
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};
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return method;
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};
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//# sourceMappingURL=retry-busy.js.map
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