Tasks page implementation (#120)

skyvern-frontend/server.js

@@ -0,0 +1,28 @@
+import express from "express";
+import fs from "fs";
+
+const app = express();
+
+app.get("/artifact", (req, res) => {
+  const range = req.headers.range;
+  const path = req.query.path;
+  const videoSize = fs.statSync(path).size;
+  const chunkSize = 1 * 1e6;
+  const start = Number(range.replace(/\D/g, ""));
+  const end = Math.min(start + chunkSize, videoSize - 1);
+  const contentLength = end - start + 1;
+  const headers = {
+    "Content-Range": `bytes ${start}-${end}/${videoSize}`,
+    "Accept-Ranges": "bytes",
+    "Content-Length": contentLength,
+    "Content-Type": "video/mp4",
+  };
+  res.writeHead(206, headers);
+  const stream = fs.createReadStream(path, {
+    start,
+    end,
+  });
+  stream.pipe(res);
+});
+
+app.listen(9090);