74 lines
1.9 KiB
JavaScript
74 lines
1.9 KiB
JavaScript
const storageType = 'sessionStorage'
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var data = {}
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const infoEl = document.getElementById('info')
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const formEl = document.getElementById('search')
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// Register event listeners
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formEl.addEventListener('submit', (event) => {
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event.preventDefault()
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if ('instances' in data && data.instances.length > 0) {
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// Random instance
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const n = Math.floor(Math.random() * data.instances.length)
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const instanceURL = data.instances[n]
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// Assign URL
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const params = new URLSearchParams({
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q: formEl.query.value
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})
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const url = `${instanceURL}?${params.toString()}`
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location.assign(url)
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}
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})
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function locallyGetInstances () {
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if (!(storageType in window)) return []
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const item = window[storageType].getItem('instances')
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try {
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return JSON.parse(item)
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} finally {
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return []
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}
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}
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function locallySetInstances () {
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if (!(storageType in window)) return
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if (!('instances' in data)) return
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if (data.instances.length === 0) return
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window[storageType].setItem(
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'instances',
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JSON.stringify(data.instances)
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)
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}
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async function remotelyGetInstances () {
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const instances = await fetch('https://searx.space/data/instances.json')
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.then((req) => req.json())
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.then((json) => Object.entries(json.instances))
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.then((entries) => entries.filter(([_url, details]) => {
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if (details.network_type !== 'normal') return
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if (details.uptime.uptimeDay !== 100) return
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return true
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}))
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.then((entries) => entries.map(([url]) => url))
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.catch((err) => {
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console.error(err)
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return []
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})
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return instances
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}
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data.instances = locallyGetInstances()
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const remoteInstances = await remotelyGetInstances()
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if (remoteInstances.length > 0) {
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data.instances = remoteInstances
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locallySetInstances()
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}
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if (data.instances.length > 0) {
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infoEl.textContent = `${data.instances.length} instances`
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} else {
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infoEl.classList.add('error')
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infoEl.textContent = '0 instances'
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}
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