JavaScript Code Tester

\n Val URL:\n setValUrl(e.target.value)}\n placeholder=\"https://esm.town/v/username/valname\"\n />\n

\n Select an example:\n \n

\n Test Code:\n setTestCode(e.target.value)}\n placeholder=\"Write your test code here or select an example above...\"\n rows={10}\n />\n

\n \n {results && (\n

Test Results:

\n {results.success ? (\n

{JSON.stringify(results.results, null, 2)}

\n ) : (\n

Error: {results.error}

\n {results.error.includes(\"Module not found\") && (\n

The module at the specified URL could not be found or accessed. Please check the following:

\n )}\n {results.error.includes(\"Module not found\") && (\n

Ensure the Val URL is correct and points to a valid JavaScript module.
Verify that the module is publicly accessible.
Check if there are any CORS issues preventing the module from being imported.

\n )}\n

\n View Source\n

\n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\n\nif (typeof document !== \"undefined\") {\n client();\n}\n\nasync function runTests(valUrl: string, testCode: string) {\n try {\n const module = await import(valUrl);\n const testFunction = new Function('module', testCode);\n const testResults = testFunction(module);\n return { success: true, results: testResults };\n } catch (error) {\n console.error(\"Error in runTests:\", error);\n if (error instanceof TypeError && error.message.includes(\"Failed to fetch dynamically imported module\")) {\n return { \n success: false, \n error: \"Module not found or inaccessible. Please check the Val URL and ensure the module is publicly available.\"\n };\n }\n return { success: false, error: error.message };\n }\n}\n\nexport default async function server(request: Request): Promise {\n if (request.method === \"POST\" && new URL(request.url).pathname === \"/run-tests\") {\n const { valUrl, testCode } = await request.json();\n const results = await runTests(valUrl, testCode);\n return new Response(JSON.stringify(results), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n return new Response(`\n \n \n \n \n \n JavaScript Code Tester\n \n \n \n

\n \n \n \n \n `,\n {\n headers: {\n \"content-type\": \"text/html\",\n },\n });\n}\n\nconst css = `\nbody {\n font-family: Arial, sans-serif;\n line-height: 1.6;\n margin: 0;\n padding: 20px;\n background-color: #f4f4f4;\n}\n\n.container {\n max-width: 800px;\n margin: 0 auto;\n background-color: #fff;\n padding: 20px;\n border-radius: 5px;\n box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);\n}\n\nh1 {\n color: #333;\n}\n\n.input-group {\n margin-bottom: 20px;\n}\n\nlabel {\n display: block;\n margin-bottom: 5px;\n}\n\ninput[type=\"text\"],\ntextarea,\nselect {\n width: 100%;\n padding: 8px;\n border: 1px solid #ddd;\n border-radius: 4px;\n font-size: 16px;\n}\n\nbutton {\n background-color: #007bff;\n color: #fff;\n padding: 10px 15px;\n border: none;\n border-radius: 4px;\n cursor: pointer;\n font-size: 16px;\n}\n\nbutton:hover {\n background-color: #0056b3;\n}\n\n.results {\n margin-top: 20px;\n background-color: #f8f9fa;\n border: 1px solid #ddd;\n border-radius: 4px;\n padding: 15px;\n}\n\n.results.error {\n background-color: #fff0f0;\n border-color: #ffcccb;\n}\n\n.results.success {\n background-color: #f0fff0;\n border-color: #90ee90;\n}\n\n.error-message {\n color: #d8000c;\n}\n\npre {\n white-space: pre-wrap;\n word-wrap: break-word;\n}\n\n.footer {\n margin-top: 20px;\n text-align: center;\n}\n\n.footer a {\n color: #007bff;\n text-decoration: none;\n}\n\n.footer a:hover {\n text-decoration: underline;\n}\n`;","deleted","label",[99],"permalink","https://www.val.town/x/willthereader/test_explorer/code/main.tsx","extension","actionData","errors"]