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index.html
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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Localhost</title>
<!-- Compiled and minified CSS -->
<link rel="stylesheet" href="./materialize.min.css">
<!-- Compiled and minified JavaScript -->
<script src="./materialize.min.js"></script>
<style>
#form {
margin-top: 2em;
}
</style>
</head>
<body>
<div class="row valign-wrapper">
<div class="col s8 offset-s2">
<div class="divider"></div>
<form id="form" class="center-align">
Localhost:
<div class="input-field inline">
<input name="port" id="port_inline" type="number" class="validate" value="3000" placeholder="3000"
required="required">
<label for="port_inline">Port</label>
</div>
<button class="waves-effect waves-light btn">Go!</button>
</form>
<div class="col s8 offset-s2">
<h5>History</h5>
<div class="divider"></div>
<div id="ports" class="collection"></div>
</div>
</div>
</div>
<script type="text/javascript">
jsonStorage = {
get(key) {
try {
return JSON.parse(localStorage.getItem(key));
} catch (error) {
return null;
};
},
set(key, json) {
return localStorage.setItem(key, JSON.stringify(json));
},
};
class PortStorage {
#key = "ports";
/**
* @type {Set<string>}
*/
#ports = new Set();
/**
* @param {Set<string>} ports
*/
#set(ports) {
jsonStorage.set(this.#key, [...ports]);
this.#ports = new Set(ports);
this?.onChange();
};
/**
* @type {()=>void}
*/
onChange;
init() {
const ports = jsonStorage.get(this.#key);
this.#set(ports ?? new Set());
};
get() {
return [...this.#ports];
};
/**
* @param {string} port
*/
add(port) {
const set = this.#ports;
set.add(port);
this.#set(set);
};
/**
* @param {string} port
*/
remove(port) {
const set = this.#ports;
set.delete(port);
this.#set(set);
};
};
</script>
<script type="text/javascript">
const $form = document.getElementById("form");
const $ports = document.getElementById("ports");
const portStorage = new PortStorage();
const getUrl = (port) => `http://localhost:${port}`;
const createPortItem = function (port) {
const portItem = document.createElement("a");
portItem.className = "collection-item";
portItem.href = getUrl(port);
portItem.target = "_blank";
portItem.textContent = port;
return portItem;
};
portStorage.onChange = function () {
const ports = portStorage.get();
const portItems = document.createDocumentFragment();
for (const port of ports) {
const portItem = createPortItem(port);
portItems.appendChild(portItem);
};
$ports.innerHTML = "";
$ports.appendChild(portItems);
};
$form.addEventListener("submit", (event) => {
event.preventDefault();
const port = event?.target?.elements?.port?.value;
if (!port) return;
portStorage.add(port);
const url = getUrl(port);
window.open(url, "_blank");
});
window.addEventListener("load", () => {
portStorage.init();
});
</script>
</body>
</html>