Allow lists for javascript.convert_js_arg

qutebrowser/utils/javascript.py

@@ -59,6 +59,8 @@ def _convert_js_arg(arg):
         return str(arg).lower()
     elif isinstance(arg, (int, float)):
         return str(arg)
+    elif isinstance(arg, list):
+        return '[{}]'.format(', '.join(_convert_js_arg(e) for e in arg))
     else:
         raise TypeError("Don't know how to handle {!r} of type {}!".format(
             arg, type(arg).__name__))

tests/unit/utils/test_javascript.py

@@ -84,6 +84,7 @@ class TestStringEscape:
     (None, 'undefined'),
     (object(), TypeError),
     (True, 'true'),
+    ([23, True, 'x'], '[23, true, "x"]'),
 ])
 def test_convert_js_arg(arg, expected):
     if expected is TypeError: