46 lines
993 B
JavaScript
46 lines
993 B
JavaScript
const {request} = require("../utils/request")
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class InstancesList {
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constructor() {
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this.list = []
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this.inflight = null
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this.update()
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setInterval(() => {
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this.update()
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}, 60*60*1000)
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}
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/**
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* Updates the list. Returns a promise of the new list. Called
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* automatically.
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*/
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update() {
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return this.inflight = request("https://api.invidious.io/instances.json?sort_by=health").then(res => res.json()).then(list => {
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list = list.filter(i => i[1].type === "https").map(i => i[1].uri.replace(/\/+$/, ""))
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this.list = list
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this.inflight = null
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return this.list
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})
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}
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/**
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* Return a promise of the list. If updates are in progress, wait
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* for them.
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*/
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fetch() {
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if (this.inflight) return this.inflight
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else return Promise.resolve(this.list)
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}
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/**
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* Return the current list, no matter whether it's been updated at all.
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*/
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get() {
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return this.list
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}
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}
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const instancesList = new InstancesList()
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module.exports.instancesList = instancesList
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