Add moment.js w/ Jinja integration

ihatemoney/momentjs.py

@@ -0,0 +1,21 @@
+from jinja2 import Markup
+
+
+class momentjs(object):
+    def __init__(self, timestamp):
+        self.timestamp = timestamp
+
+    def render(self, format):
+        return Markup(
+            '<script>\ndocument.write(moment("%s").%s);\n</script>'
+            % (self.timestamp.strftime("%Y-%m-%dT%H:%M:%S Z"), format)
+        )
+
+    def format(self, fmt):
+        return self.render('format("%s")' % fmt)
+
+    def calendar(self):
+        return self.render("calendar()")
+
+    def fromNow(self):
+        return self.render("fromNow()")

ihatemoney/run.py

@@ -20,6 +20,7 @@ from ihatemoney.utils import (
 from ihatemoney.web import main as web_interface
 
 from ihatemoney import default_settings
+from ihatemoney.momentjs import momentjs
 
 
 def setup_database(app):
@@ -146,6 +147,7 @@ def create_app(
     app.jinja_env.globals["static_include"] = static_include
     app.jinja_env.globals["locale_from_iso"] = locale_from_iso
     app.jinja_env.filters["minimal_round"] = minimal_round
+    app.jinja_env.globals["momentjs"] = momentjs
 
     # Translations
     babel = Babel(app)