fix: restore landing page (#111)

lambda-function.js

@@ -1,31 +1,38 @@
 module.exports = lambdaFunction;
 
 const lowercaseKeys = require("lowercase-keys");
+const { template } = require("./views/probot");
 
 async function lambdaFunction(probot, event, context) {
-  try {
-    // lowercase all headers to respect headers insensitivity (RFC 7230 $3.2 'Header Fields', see issue #62)
-    const headersLowerCase = lowercaseKeys(event.headers);
 
-    // this will be simpler once we ship `verifyAndParse()`
-    // see https://github.com/octokit/webhooks.js/issues/379
-    await probot.webhooks.verifyAndReceive({
-      id: headersLowerCase["x-github-delivery"],
-      name: headersLowerCase["x-github-event"],
-      signature:
-        headersLowerCase["x-hub-signature-256"] ||
-        headersLowerCase["x-hub-signature"],
-      payload: event.body,
-    });
-
-    return {
+  if (event.httpMethod === "GET" && event.path === "/probot") {
+    const res = {
       statusCode: 200,
-      body: '{"ok":true}',
-    };
-  } catch (error) {
-    return {
-      statusCode: error.status || 500,
-      error: "ooops",
+      headers: {
+        "Content-Type": "text/html",
+      },
+      body: template,
     };
+    return res;
   }
+
+  // lowercase all headers to respect headers insensitivity (RFC 7230 $3.2 'Header Fields', see issue #62)
+  const headersLowerCase = lowercaseKeys(event.headers);
+
+  // this will be simpler once we ship `verifyAndParse()`
+  // see https://github.com/octokit/webhooks.js/issues/379
+  await probot.webhooks.verifyAndReceive({
+    id: headersLowerCase["x-github-delivery"],
+    name: headersLowerCase["x-github-event"],
+    signature:
+      headersLowerCase["x-hub-signature-256"] ||
+      headersLowerCase["x-hub-signature"],
+    payload: event.body,
+  });
+
+  return {
+    statusCode: 200,
+    body: JSON.stringify({ ok: true }),
+  };
+
 }

views/probot.js

@@ -25,7 +25,6 @@ module.exports.template = `
         <h4 class="alt-h4 text-gray-light">Need help?</h4>
         <div class="d-flex flex-justify-center mt-2">
           <a href="https://probot.github.io/docs/" class="btn btn-outline mr-2">Documentation</a>
-          <a href="https://probot-slackin.herokuapp.com/" class="btn btn-outline">Chat on Slack</a>
         </div>
       </div>
     </div>