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metamask-extension/app/scripts/lib/fetch-with-timeout.js

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const fetchWithTimeout = ({ timeout = 120000 } = {}) => {
return async function _fetch (url, opts) {
const abortController = new window.AbortController()
const abortSignal = abortController.signal
const f = window.fetch(url, {
...opts,
signal: abortSignal,
})
const timer = setTimeout(() => abortController.abort(), timeout)
try {
const res = await f
clearTimeout(timer)
return res
} catch (e) {
clearTimeout(timer)
throw e
}
}
}
export default fetchWithTimeout