142 lines
3.7 KiB
JavaScript
142 lines
3.7 KiB
JavaScript
let paused = false;
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let workers = [];
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let totalTime = 0;
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let totalAttempts = 0;
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function showStats() {
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document.getElementById("attempts").innerText = totalAttempts;
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document.getElementById("speed").innerText = (totalAttempts / totalTime).toFixed(2);
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}
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function log(text, workerId) {
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const time = new Date().toLocaleTimeString("en-GB");
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let html = `<time>${time}</time> `;
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if (workerId) html += `<span class="worker-id">[${workerId}]</span> `;
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html += `${text}<br>`;
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document.getElementById("log").innerHTML += html;
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document.getElementById("log").scrollTo(0, document.getElementById("log").scrollHeight);
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}
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function resetWorkers() {
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log("Terminating workers");
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for (const worker of workers) {
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worker.postMessage({ type: "terminate" });
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}
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totalTime = 0;
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totalAttempts = 0;
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}
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function runWorkers() {
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const numbers = [].map.call(document.getElementsByClassName("number-input"), input => input.valueAsNumber)
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.filter(value => !isNaN(value));
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const winType = document.querySelector("input[name=win-type]:checked").value;
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resetWorkers();
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const amount = document.getElementById("workers").valueAsNumber;
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log(`Creating ${amount} workers`);
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log(`* Win type: ${winType}`);
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log(`* Numbers: ${numbers.join(", ")}`);
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for (let i = 0; i < amount; i++) {
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const worker = new Worker("worker.js");
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worker.addEventListener("message", message => {
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switch (message.data.type) {
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case "ready":
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if (!paused) worker.postMessage({ type: "run" });
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break;
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case "stats":
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totalTime += message.data.time;
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totalAttempts += message.data.attempts;
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showStats();
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break;
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case "log":
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log(message.data.text, message.data.id);
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break;
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case "terminate":
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worker.terminate();
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workers.splice(workers.indexOf(worker), 1);
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break;
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}
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});
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worker.postMessage({ type: "init", id: i + 1, numbers, winType });
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workers.push(worker);
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}
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}
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document.getElementById("numbers-container").addEventListener("keydown", event => {
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// Add new input field on enter
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if (event.key === "Enter") {
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const input = document.createElement("input");
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input.type = "number";
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input.className = "number-input";
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input.min = 1;
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input.max = 90;
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event.target.parentElement.appendChild(input);
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input.focus();
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return;
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}
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// Remove empty input field on backspace
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if (event.key === "Backspace" || event.key === "Delete") {
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if (event.target.value !== "" || document.querySelectorAll("#numbers-container input").length < 2)
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return;
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if (event.target.previousElementSibling.localName === "input")
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event.target.previousElementSibling.focus();
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else
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event.target.nextElementSibling.focus();
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event.target.parentElement.removeChild(event.target);
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event.preventDefault();
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return;
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}
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// Move between inputs on arrow up/down
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if (event.key === "ArrowUp" || event.key === "ArrowDown") {
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event.preventDefault();
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const elem = event.key === "ArrowUp"
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? event.target.previousElementSibling
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: event.target.nextElementSibling;
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if (!elem || elem.localName !== "input") return;
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elem.focus();
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return;
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}
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// Disallow non-digits
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const allowed = [/^Digit/, /^Arrow/, /Tab/];
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if (!event.altKey && !event.ctrlKey && !allowed.some(regex => regex.test(event.code))) {
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event.preventDefault();
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}
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});
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document.getElementById("pause").addEventListener("click", event => {
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paused = !paused;
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for (const worker of workers) {
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worker.postMessage({ type: paused ? "stop" : "run" });
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}
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event.target.innerText = paused ? "Start" : "Pause";
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});
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document.getElementById("workers").value = navigator.hardwareConcurrency ?? 1;
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for (const container of document.getElementsByClassName("input-container")) {
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container.addEventListener("change", runWorkers);
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}
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