97 lines
3 KiB
JavaScript
97 lines
3 KiB
JavaScript
"use strict";
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document.addEventListener("DOMContentLoaded", () => {
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initializeWebSocketConnection();
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setInterval(checkWebSocketConnection, 5000);
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});
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let ws = null;
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function checkWebSocketConnection() {
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if (!ws || ws.readyState === 3) initializeWebSocketConnection();
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}
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function initializeWebSocketConnection() {
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ws = new WebSocket(location.origin.replace(/^http/, "ws"));
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ws.onopen = () => {
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console.log("WebSocket connection established"); // eslint-disable-line
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};
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ws.onmessage = socket => {
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const data = JSON.parse(socket.data);
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switch (true) {
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case data.message === "updated html":
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document.querySelector(data.selector).innerHTML = data.html;
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document.getElementById("emailAddress").value = "";
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document.getElementById("emailMessage").innerHTML = "";
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// `data.example` is added when updating HTML.
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// This is when the results of an example are sent to the client.
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if (data.example) {
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if (!document.querySelector(`[data-example="${data.example}"`).classList.contains("completed")) {
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document.getElementById("tour-example-description").classList.remove("success");
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}
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document.querySelector(`[data-example="${data.example}"`).classList.add("completed");
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document.getElementById("tour-example-description").classList.add("success");
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document.getElementById("tour-example-description").innerHTML =
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document.querySelector(`[data-example="${data.example}"`).dataset.success;
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}
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// If `data.example` isn't found, reset the description area.
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else {
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document.getElementById("tour-example-description").classList.remove("success");
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document.getElementById("tour-example-description").innerHTML =
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document.querySelector(".tour__navigation__example.active").dataset.description;
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}
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if (document.getElementById("temp-loader"))
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document.getElementById("temp-loader").style.display = "none";
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document.querySelector(".tour").classList.remove("waiting");
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break;
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case data.message === "notification": // TODO: Make work with appending so multiple notifications can be sent
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document.getElementById("flash-container").innerHTML =
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`<div class="flash active${data.type ? " " + data.type : ""}">${data.details}</div>`;
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setTimeout(() => {
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document.getElementById("flash-container").innerHTML = "";
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}, 2100);
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break;
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default:
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console.log(data); // eslint-disable-line
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break;
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}
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};
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ws.onclose = () => {
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console.log("WebSocket connection lost"); // eslint-disable-line
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checkWebSocketConnection(); // reconnect now
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};
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}
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function send(msg) { // eslint-disable-line
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socketReady(ws, () => ws.send(msg));
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}
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function socketReady(socket, callback) {
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setTimeout(() => {
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if (socket && socket.readyState === 1) {
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if (callback !== undefined) callback();
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return;
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}
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return socketReady(socket, callback);
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}, 5);
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}
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