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August 28, 2023 11:50
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Small page to make requests and see what happens, mainly for testing CORS requests. Deployed to vercel https://cors-requester.vercel.app/
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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" /> | |
| <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags --> | |
| <title>CORS Tester</title> | |
| <meta name="description" content="something" /> | |
| <meta name="author" content="me" /> | |
| <style> | |
| body { | |
| max-width: 50vw; | |
| margin: 0 auto; | |
| } | |
| form { | |
| display: flex; | |
| flex-direction: column; | |
| } | |
| form>* { | |
| margin: 0.5rem 0; | |
| } | |
| textarea { | |
| height: 10rem; | |
| font-family: monospace; | |
| } | |
| textarea:disabled { | |
| background-color: #eee; | |
| } | |
| .hidden { | |
| display: none; | |
| } | |
| #result { | |
| background-color: #eee; | |
| padding: 1rem; | |
| } | |
| pre { | |
| white-space: pre-wrap; | |
| word-wrap: break-word; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <form> | |
| <input id="url" type="text" name="url" placeholder="your url" /> | |
| <select name="method" id="method"> | |
| <option value="GET">GET</option> | |
| <option value="POST">POST</option> | |
| </select> | |
| <textarea name="body" id="body" disabled class="hidden"></textarea> | |
| <input id="submit" type="submit" /> | |
| </form> | |
| <div id="result"> | |
| <pre><code id="code"> | |
| </code></pre> | |
| </div> | |
| <script type="module"> | |
| //@ts-check | |
| document.addEventListener("DOMContentLoaded", () => { | |
| const urlInput = document.getElementById("url"); | |
| const submit = document.getElementById("submit"); | |
| const body = document.getElementById("body"); | |
| const method = document.getElementById("method"); | |
| const code = document.getElementById("code"); | |
| if (!method) return; | |
| if (!body) return; | |
| if (!urlInput) return; | |
| if (!submit) return; | |
| if (!code) return; | |
| if (!(body instanceof HTMLTextAreaElement)) return; | |
| if (!(method instanceof HTMLSelectElement)) return; | |
| if (!(urlInput instanceof HTMLInputElement)) return; | |
| method.addEventListener("change", (e) => { | |
| if (!(e.target instanceof HTMLSelectElement)) return; | |
| if (e.target.value === "POST") { | |
| body.disabled = false; | |
| body.classList.remove("hidden"); | |
| } else { | |
| body.disabled = true; | |
| body.classList.add("hidden"); | |
| } | |
| }); | |
| body.addEventListener("input", (e) => { | |
| try { | |
| JSON.parse(body.value); | |
| } catch (err) { | |
| console.warn(err); | |
| } | |
| }); | |
| submit.addEventListener("click", (e) => { | |
| let bodyJson; | |
| e.preventDefault(); | |
| console.log(body.value); | |
| console.log(typeof body.value); | |
| try { | |
| JSON.parse(body.value); | |
| } catch (err) { | |
| console.warn(err); | |
| if (method.value === "POST") { | |
| alert("Invalid JSON"); | |
| return; | |
| } | |
| } | |
| bodyJson = method.value === "POST" ? JSON.parse(body.value) : undefined; | |
| console.log(bodyJson); | |
| code.innerHTML = "Loading..."; | |
| e.preventDefault(); | |
| fetch(urlInput.value, { | |
| headers: { | |
| "Content-Type": "application/json" | |
| }, | |
| method: method.value, | |
| body: method.value === "POST" ? body.value : undefined | |
| }) | |
| .then((res) => { | |
| if (!res.ok) { | |
| throw new Error(res.statusText); | |
| } | |
| return res.text(); | |
| }) | |
| .then((data) => { | |
| code.innerHTML = data; | |
| }).catch((err) => { | |
| code.innerHTML = JSON.stringify(err, null, 2); | |
| }); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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