support vectors in class attribute

src/Layout.jl

@@ -114,6 +114,10 @@ function flexgrid_kwargs(; class = "", class! = nothing, symbol_class::Bool = tr
   # while class will contain a js expression as Symbol
   # if either class is a Symbol or class! is not nothing.
   # So an argument of the form `class! = "'my-class' + 'your-class'` is supported
+  # Furthermore Vectors are now supported
+  class isa Vector && (class = Symbol(join(js_attr.(class), " + ")))
+  class! isa Vector && (class! = join(js_attr.(class!), " + "))
+
   classes = String[]
   if class isa Symbol
     class! !== nothing && (class = Symbol("$class! + $class"))

src/Stipple.jl

@@ -921,15 +921,16 @@ function attributes(kwargs::Union{Vector{<:Pair}, Base.Iterators.Pairs, Dict},
   for (k,v) in kwargs
     v === nothing && continue
     mapped = false
+
+    k_str = string(k)
 
-    if haskey(mappings, string(k))
-      k = mappings[string(k)]
+    if haskey(mappings, k_str)
+      k_str = mappings[k_str]
     end
-
+    
     v_isa_jsexpr = v isa Symbol || !isa(v, Union{AbstractString, Bool, Number})
-    k_str = string(k)
     attr_key = string((v_isa_jsexpr && ! startswith(k_str, ":") &&
-                ! (endswith(k_str, "!") || startswith(k_str, "v-") || startswith(k_str, "v" * Genie.config.html_parser_char_dash)) ? ":" : ""), "$k") |> Symbol
+                ! (endswith(k_str, "!") || startswith(k_str, "v-") || startswith(k_str, "v" * Genie.config.html_parser_char_dash)) ? ":" : ""), k_str) |> Symbol
     attr_val = if isa(v, Symbol) && ! startswith(k_str, ":")
       Stipple.julia_to_vue(v)
     elseif v isa Symbol || ! v_isa_jsexpr