This is the documentation page for Module:If preview
 | This Lua module is used on many pages and changes may be widely noticed. Test changes in the module's /sandbox or /testcases subpages, or in your own module sandbox. Consider discussing changes on the talk page before implementing them. |
 | This module depends on the following other modules: |
 | This module uses TemplateStyles: |
This module implements {{if preview}} and {{preview warning}}. It helps templates/modules determine if they are being previewed.
Prefer implementing the template versions in other templates.
In a module to use the main(), you need to pass a frame table with an args table.
For the preview warning, use _warning().