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Author: NullVoxPopuli

tests/fixture-ts/testem-proxy.cjs

@@ -0,0 +1,36 @@
+/* eslint-disable */
+const httpProxy = require('http-proxy');
+
+/*
+  This can be installed as a testem middleware to make testem run against an
+  arbitrary real webserver at targetURL.
+
+  It allows testem to handle the well-known testem-specific paths and proxies
+  everything else, while rewriting the testem-added prefix out of your
+  "/tests/index.html" URL.
+*/
+
+module.exports = function testemProxy(targetURL) {
+  return function testemProxyHandler(app) {
+    const proxy = httpProxy.createProxyServer({
+      changeOrigin: true,
+      ignorePath: true,
+    });
+
+    proxy.on('error', (err, _req, res) => {
+      res && res.status && res.status(500).json(err);
+    });
+
+    app.all('*', (req, res, next) => {
+      let url = req.url;
+      if (url === '/testem.js' || url.startsWith('/testem/')) {
+        return next();
+      }
+      let m = /^(\/\d+)\/tests\/index.html/.exec(url);
+      if (m) {
+        url = url.slice(m[1].length);
+      }
+      proxy.web(req, res, { target: targetURL + url });
+    });
+  };
+};