Add paginate to default github client object

lib/paginate.js

@@ -0,0 +1,11 @@
+module.exports = async function paginate(responsePromise, callback) {
+  let response = await responsePromise;
+  let collection = await callback(response);
+
+  while (this.hasNextPage(response)) {
+    response = await this.getNextPage(response);
+    collection = collection.concat(await callback(response));
+  }
+
+  return collection;
+}

lib/robot.js

@@ -35,7 +35,7 @@ class Robot {
 
     const github = new GitHubApi({debug: process.env.LOG_LEVEL === 'trace'});
     github.authenticate({type: 'token', token: token.token});
-    return rateLimitedClient(github);
+    return probotEnhancedClient(github);
   }
 
   log(...args) {
@@ -43,6 +43,14 @@ class Robot {
   }
 }
 
+function probotEnhancedClient(github) {
+  github = rateLimitedClient(github);
+
+  github.paginate = require('./lib/paginate');
+
+  return github;
+}
+
 // Hack client to only allow one request at a time with a 1s delay
 // https://github.com/mikedeboer/node-github/issues/526
 function rateLimitedClient(github) {