feat(ci): report webpack bundle size diffs on PRs

scripts/gist-upload.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+
+
+import json
+import os
+import sys
+import urllib2
+
+
+def patchGist(filepath, gist_id, token):
+    api = 'api.github.com'
+    uri = 'https://{api}/gists/{gist_id}'.format(api=api, gist_id=gist_id)
+
+    with open(filepath) as f:
+        data = f.read()
+
+    filename = os.path.basename(filepath)
+    payload = {
+        "description": "Webpack bundle size stats",
+        "files": {
+            filename: {
+                "content": data,
+                "filename": filename
+            }
+        }
+    }
+
+    req = urllib2.Request(uri)
+    req.get_method = lambda: 'PATCH'
+    req.add_header('Authorization', 'token %s' % token)
+    try:
+        response = urllib2.urlopen(req, json.dumps(payload))
+    except Exception as e:
+        print("Request to '%s' failed: %s" % (uri, e))
+
+
+if __name__ == '__main__':
+    if len(sys.argv) != 3:
+        print('Usage: GIST_ID FILE')
+        sys.exit(1)
+
+    token = os.getenv('GITHUB_TOKEN')
+    if not token:
+        print('GITHUB_TOKEN env variable is missing')
+        sys.exit(1)
+
+    gist_id = sys.argv[1]
+    filepath = sys.argv[2]
+    if not gist_id or not filepath:
+        print('Usage: GIST_ID FILE')
+        sys.exit(1)
+
+    patchGist(filepath, gist_id, token)