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Diffstat (limited to 'lib/gitlab/gon_helper.rb')
-rw-r--r-- | lib/gitlab/gon_helper.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/gitlab/gon_helper.rb b/lib/gitlab/gon_helper.rb index deaa14c8434..c1726659a90 100644 --- a/lib/gitlab/gon_helper.rb +++ b/lib/gitlab/gon_helper.rb @@ -30,5 +30,20 @@ module Gitlab gon.current_user_avatar_url = current_user.avatar_url end end + + # Exposes the state of a feature flag to the frontend code. + # + # name - The name of the feature flag, e.g. `my_feature`. + # args - Any additional arguments to pass to `Feature.enabled?`. This allows + # you to check if a flag is enabled for a particular user. + def push_frontend_feature_flag(name, *args) + var_name = name.to_s.camelize(:lower) + enabled = Feature.enabled?(name, *args) + + # Here the `true` argument signals gon that the value should be merged + # into any existing ones, instead of overwriting them. This allows you to + # use this method to push multiple feature flags. + gon.push({ features: { var_name => enabled } }, true) + end end end |