web: basic api interaction & downloading

download button now acts the way it should with various states

web/src/lib/api.ts

@@ -0,0 +1,31 @@
+const apiURL = "https://api.cobalt.tools";
+
+const request = async (url: string) => {
+    const request = {
+        url
+    }
+
+    const response = await fetch(`${apiURL}/api/json`, {
+        method: "POST",
+        body: JSON.stringify(request),
+        headers: {
+            'Accept': 'application/json',
+            'Content-Type': 'application/json'
+        }
+    }).then(r => r.json()).catch(() => {});
+
+    return response;
+}
+
+const probeCobaltStream = async (url: string) => {
+    const request = await fetch(`${url}&p=1`).catch(() => {});
+    if (request?.status === 200) {
+        return request?.status;
+    }
+    return 0;
+}
+
+export default {
+    request,
+    probeCobaltStream,
+}