get tests passing in the browser

packages/nostr/test/browser/server.ts

@@ -0,0 +1,45 @@
+/**
+ * Serve tests in the browser.
+ */
+
+import express from "express"
+import * as path from "path"
+import * as fs from "fs"
+
+const port = 33543
+const app = express()
+
+app.use("/", (req: express.Request, res: express.Response) => {
+  if (req.path === "/") {
+    const index = fs.readFileSync(path.join(__dirname, "index.html"), {
+      encoding: "utf8",
+    })
+    const tests = fs
+      .readdirSync(path.join(__dirname, "..", "..", "dist", "test"))
+      .filter(
+        (f) =>
+          f.startsWith("test.") && !f.endsWith(".map") && !f.endsWith(".d.ts")
+      )
+      .map((src) => `<script src="${src}"></script>`)
+      .join("\n")
+    res.set("Content-Type", "text/html")
+    res.send(index.replace("<!-- TESTS -->", tests))
+    res.end()
+  } else if (req.path === "/favicon.ico") {
+    res.status(404)
+    res.end()
+  } else {
+    const file = path.join(__dirname, "..", "..", "dist", "test", req.path)
+    res.sendFile(file, (err) => {
+      if (err) {
+        console.error(err)
+        res.status(404)
+      }
+      res.end()
+    })
+  }
+})
+
+app.listen(port, () => {
+  console.log(`Browser tests: http://localhost:${port}`)
+})