49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
import CanceledError from "../cancel/CanceledError.js";
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import AxiosError from "../core/AxiosError.js";
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import utils from '../utils.js';
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const composeSignals = (signals, timeout) => {
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const {length} = (signals = signals ? signals.filter(Boolean) : []);
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if (timeout || length) {
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let controller = new AbortController();
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let aborted;
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const onabort = function (reason) {
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if (!aborted) {
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aborted = true;
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unsubscribe();
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const err = reason instanceof Error ? reason : this.reason;
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controller.abort(err instanceof AxiosError ? err : new CanceledError(err instanceof Error ? err.message : err));
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}
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}
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let timer = timeout && setTimeout(() => {
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timer = null;
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onabort(new AxiosError(`timeout ${timeout} of ms exceeded`, AxiosError.ETIMEDOUT))
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}, timeout)
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const unsubscribe = () => {
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if (signals) {
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timer && clearTimeout(timer);
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timer = null;
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signals.forEach(signal => {
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signal.unsubscribe ? signal.unsubscribe(onabort) : signal.removeEventListener('abort', onabort);
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});
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signals = null;
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}
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}
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signals.forEach((signal) => signal.addEventListener('abort', onabort));
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const {signal} = controller;
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signal.unsubscribe = () => utils.asap(unsubscribe);
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return signal;
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}
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}
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export default composeSignals;
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