JavaScript Exercise Tester

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

\n Test Code:\n setTestCode(e.target.value)}\n placeholder=\"Enter your test code here\"\n rows={10}\n cols={50}\n />\n

\n \n

Results:

{results}

\n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\n\nif (typeof document !== \"undefined\") {\n client();\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 \n try {\n const userVal = await import(valUrl);\n const userFunction = userVal.default;\n\n const { it, run } = new Test(\"User Tests\");\n\n // Create a function to safely evaluate the user's test code\n const safeEval = (code: string) => {\n return new Function(\"it\", \"expect\", \"userFunction\", code);\n };\n\n // Run the user's test code\n safeEval(testCode)(it, expect, userFunction);\n\n const results = await run();\n return new Response(JSON.stringify({ results: prettify(results) }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n } catch (error) {\n return new Response(JSON.stringify({ results: `Error: ${error.message}` }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n }\n\n return new Response(`\n \n \n \n \n \n JavaScript Exercise Tester\n \n \n \n

\n \n \n \n \n `, {\n headers: { \"Content-Type\": \"text/html\" },\n });\n}\n\nconst css = `\n body {\n font-family: Arial, sans-serif;\n max-width: 800px;\n margin: 0 auto;\n padding: 20px;\n }\n label {\n display: block;\n margin-top: 10px;\n }\n input, textarea {\n width: 100%;\n margin-bottom: 10px;\n }\n button {\n background-color: #4CAF50;\n color: white;\n padding: 10px 20px;\n border: none;\n cursor: pointer;\n }\n pre {\n background-color: #f4f4f4;\n padding: 10px;\n border-radius: 5px;\n white-space: pre-wrap;\n }\n`;","deleted","label",[98],"permalink","https://www.val.town/x/willthereader/tiny_jest_example/code/main.tsx","extension","actionData","errors"]