Public
HTTP
Val Town is a social website to write and deploy JavaScript.
Build APIs and schedule functions from your browser.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/** @jsxImportSource https://esm.sh/react */
import React, { useEffect, useState } from "https://esm.sh/react";
import { createRoot } from "https://esm.sh/react-dom/client";
function App() {
const [websiteUrl, setWebsiteUrl] = useState("");
const [embedCode, setEmbedCode] = useState("");
const [visitorCount, setVisitorCount] = useState(0);
const generateEmbedCode = async () => {
if (!websiteUrl) return;
const response = await fetch("/generate-embed", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ websiteUrl }),
});
if (response.ok) {
const { embedCode, visitorCount } = await response.json();
setEmbedCode(embedCode);
setVisitorCount(visitorCount);
}
};
useEffect(() => {
const fetchVisitorCount = async () => {
if (websiteUrl) {
const response = await fetch(`/visitor-count?url=${encodeURIComponent(websiteUrl)}`);
if (response.ok) {
const { count } = await response.json();
setVisitorCount(count);
}
}
};
fetchVisitorCount();
const interval = setInterval(fetchVisitorCount, 5000);
return () => clearInterval(interval);
}, [websiteUrl]);
return (
<div className="container">
<h1>Website Visitor Counter</h1>
<input
type="text"
value={websiteUrl}
onChange={(e) => setWebsiteUrl(e.target.value)}
placeholder="Enter your website URL"
/>
<button onClick={generateEmbedCode}>Generate Embed Code</button>
{embedCode && (
<div className="result">
<h2>Embed Code (Copy and paste this into your React component):</h2>
<textarea readOnly value={embedCode} />
<p>Current Visitor Count: {visitorCount}</p>
</div>
)}
</div>
);
}
function client() {
createRoot(document.getElementById("root")).render(<App />);
}
if (typeof document !== "undefined") {
client();
}
async function server(request: Request): Promise<Response> {
const { sqlite } = await import("https://esm.town/v/stevekrouse/sqlite");
const SCHEMA_VERSION = 1;
const KEY = new URL(import.meta.url).pathname.split("/").at(-1);
await sqlite.execute(`
CREATE TABLE IF NOT EXISTS ${KEY}_visitor_counts_${SCHEMA_VERSION} (
id INTEGER PRIMARY KEY AUTOINCREMENT,
website_url TEXT UNIQUE NOT NULL,
count INTEGER DEFAULT 0
)
`);
const url = new URL(request.url);
if (url.pathname === "/generate-embed") {
if (request.method === "POST") {
const { websiteUrl } = await request.json();
const encodedUrl = encodeURIComponent(websiteUrl);
const embedCode = `
import { useState, useEffect } from 'react';
function VisitorCounter() {
const [count, setCount] = useState(0);
useEffect(() => {
const fetchCount = async () => {
const response = await fetch('${url.origin}/count-visitor?url=${encodedUrl}');
if (response.ok) {