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| stage | group | info |
|---|---|---|
| none | unassigned | To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers |
Rails initializers
By default, Rails loads Zeitwerk after the initializers in config/initializers are loaded.
Autoloading before Zeitwerk is loaded is now deprecated but because we use a lot of autoloaded
constants in our initializers, we had to move the loading of Zeitwerk earlier than these
initializers.
A side-effect of this is that in the initializers, config.autoload_paths is already frozen.
To run an initializer before Zeitwerk is loaded, you need put them in config/initializers_before_autoloader.
Ruby files in this folder are loaded in alphabetical order just like the default Rails initializers.
Some examples where you would need to do this are:
- Modifying Rails'
config.autoload_paths - Changing configuration that Zeitwerk uses, e.g. inflections