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85 lines
1.9 KiB
85 lines
1.9 KiB
1 month ago
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// Extracted from p-timeout https://github.com/sindresorhus/p-timeout
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// as it is not commonjs compatible. This is version 5.0.2
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'use strict';
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class TimeoutError extends Error {
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constructor(message) {
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super(message);
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this.name = 'TimeoutError';
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}
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}
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module.exports.TimeoutError = TimeoutError;
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module.exports.pTimeout = function pTimeout(
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promise,
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milliseconds,
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fallback,
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options
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) {
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let timer;
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const cancelablePromise = new Promise((resolve, reject) => {
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if (typeof milliseconds !== 'number' || Math.sign(milliseconds) !== 1) {
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throw new TypeError(
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`Expected \`milliseconds\` to be a positive number, got \`${milliseconds}\``
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);
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}
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if (milliseconds === Number.POSITIVE_INFINITY) {
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resolve(promise);
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return;
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}
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options = {
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customTimers: { setTimeout, clearTimeout },
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...options
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};
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timer = options.customTimers.setTimeout.call(
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undefined,
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() => {
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if (typeof fallback === 'function') {
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try {
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resolve(fallback());
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} catch (error) {
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reject(error);
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}
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return;
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}
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const message =
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typeof fallback === 'string'
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? fallback
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: `Promise timed out after ${milliseconds} milliseconds`;
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const timeoutError =
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fallback instanceof Error ? fallback : new TimeoutError(message);
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if (typeof promise.cancel === 'function') {
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promise.cancel();
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}
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reject(timeoutError);
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},
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milliseconds
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);
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(async () => {
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try {
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resolve(await promise);
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} catch (error) {
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reject(error);
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} finally {
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options.customTimers.clearTimeout.call(undefined, timer);
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}
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})();
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});
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cancelablePromise['clear'] = () => {
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clearTimeout(timer);
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timer = undefined;
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};
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return cancelablePromise;
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};
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