mirror of
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41 lines
918 B
JavaScript
41 lines
918 B
JavaScript
async function conditionPromise (
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condition,
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description = 'anonymous condition'
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) {
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const startTime = Date.now()
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while (true) {
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await timeoutPromise(100)
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if (await condition()) {
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return
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}
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if (Date.now() - startTime > 5000) {
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throw new Error('Timed out waiting on ' + description)
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}
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}
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}
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function timeoutPromise (timeout) {
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return new Promise(resolve => {
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global.setTimeout(resolve, timeout)
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})
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}
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function emitterEventPromise (emitter, event, timeout = 15000) {
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return new Promise((resolve, reject) => {
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const timeoutHandle = setTimeout(() => {
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reject(new Error(`Timed out waiting for '${event}' event`))
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}, timeout)
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emitter.once(event, () => {
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clearTimeout(timeoutHandle)
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resolve()
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})
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})
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}
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exports.conditionPromise = conditionPromise
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exports.emitterEventPromise = emitterEventPromise
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exports.timeoutPromise = timeoutPromise
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