53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
import { requestAPI } from "./utils.js";
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import { API } from "../vars.js";
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export async function setupClientSync (callback) {
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let scheme = localStorage.getItem("sync-scheme");
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let rate = Number(localStorage.getItem("sync-rate"));
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if (!scheme) {
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scheme = "always";
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localStorage.setItem("sync-scheme", "always");
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}
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if (!rate) {
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rate = "5";
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localStorage.setItem("sync-rate", "5");
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}
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if (scheme === "always") {
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callback();
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window.setInterval(callback, rate * 1000);
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}
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else if (scheme === "hash") {
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const newHash = (await requestAPI("/sync/hash")).data;
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localStorage.setItem("sync-current-hash", newHash);
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callback();
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window.setInterval(async () => {
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const newHash = (await requestAPI("/sync/hash")).data;
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if (localStorage.getItem("sync-current-hash") !== newHash) {
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localStorage.setItem("sync-current-hash", newHash);
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callback();
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}
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}, rate * 1000);
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}
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else if (scheme === "interrupt") {
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callback();
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const socket = new WebSocket(`wss://${API.replace("https://", "")}/sync/interrupt`);
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socket.addEventListener("open", (event) => {
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socket.send(`rate ${rate}`);
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});
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socket.addEventListener("message", (event) => {
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const message = event.data.toString();
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if (message === "sync") {
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callback();
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}
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else {
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console.error("clientsync: recieved unexpected message from server, closing socket.");
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socket.close();
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}
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});
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}
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else {
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console.error(`clientsync: unsupported scheme ${scheme} selected.`);
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}
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}
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