luci-base: datatypes: add "unique" dummy validator

Add a dummy validator for the server side so that we can start using unique
in client side JS code.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 99113e0b7a65b7317019b46d5d9a01cdd0ba839b..b4206e98df3e118e4c646f239dfe80c0d08ba2ee 100644 (file)
--- a/modules/luci-base/luasrc/cbi/datatypes.lua
+++ b/modules/luci-base/luasrc/cbi/datatypes.lua
@@ -460,3 +460,7 @@ function dateyyyymmdd(val)
        end
        return false
 end
+
+function unique(val)
+       return true
+end