mirror of https://github.com/jkjoy/sunpeiwen.git
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
/* IMPORT */
|
|
import RetryfyQueue from './retryify_queue.js';
|
|
/* MAIN */
|
|
//FIXME: There are a boatload of anys here, but apparently generics cannot be extended properly, so...
|
|
const retryifyAsync = (fn, isRetriableError) => {
|
|
return function retrified(timestamp) {
|
|
return function attempt(...args) {
|
|
return RetryfyQueue.schedule().then(cleanup => {
|
|
const onResolve = (result) => {
|
|
cleanup();
|
|
return result;
|
|
};
|
|
const onReject = (error) => {
|
|
cleanup();
|
|
if (Date.now() >= timestamp)
|
|
throw error;
|
|
if (isRetriableError(error)) {
|
|
const delay = Math.round(100 * Math.random());
|
|
const delayPromise = new Promise(resolve => setTimeout(resolve, delay));
|
|
return delayPromise.then(() => attempt.apply(undefined, args));
|
|
}
|
|
throw error;
|
|
};
|
|
return fn.apply(undefined, args).then(onResolve, onReject);
|
|
});
|
|
};
|
|
};
|
|
};
|
|
const retryifySync = (fn, isRetriableError) => {
|
|
return function retrified(timestamp) {
|
|
return function attempt(...args) {
|
|
try {
|
|
return fn.apply(undefined, args);
|
|
}
|
|
catch (error) {
|
|
if (Date.now() > timestamp)
|
|
throw error;
|
|
if (isRetriableError(error))
|
|
return attempt.apply(undefined, args);
|
|
throw error;
|
|
}
|
|
};
|
|
};
|
|
};
|
|
/* EXPORT */
|
|
export { retryifyAsync, retryifySync };
|