mirror of
https://github.com/fawazahmed0/exchange-api.git
synced 2025-06-29 18:21:14 +00:00
48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
// Fetch all latest & todays links to cache the data by jsdelivr
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let url = "https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api"
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let apiLinks = [url]
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let extensions = [".min.json", ".json"]
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async function begin() {
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for (let dateValue of ['latest', new Date().toISOString().substring(0, 10).replaceAll('-','.').replace(/\.0+(\d+)/gi , ".$1")]) {
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let data = await fetch(`${url}@${dateValue}/v1/currencies.json`).then(res => res.json())
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let currencies = Object.keys(data)
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await multipleFetch(getURLs(`${url}@${dateValue}/v1/currencies`))
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for (let curr of currencies) {
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let promiseHolder = []
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promiseHolder.push(multipleFetch(getURLs(`${url}@${dateValue}/v1/currencies/${curr}`)))
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await Promise.allSettled(promiseHolder)
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}
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}
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}
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async function multipleFetch(links) {
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for (let link of links)
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await fetch(link, { method: 'HEAD' })
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}
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function getURLs(endpoint, links) {
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links = links || apiLinks
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return extensions.map(ext => links.map(e => e + endpoint + ext)).flat()
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}
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begin()
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