Checks the basic syntax of Fluid template files.
composer require typo3fluid/fluid-lint
./vendor/bin/fluidlint /path/to/files-or-file
If you are linting for a project that uses a custom RenderingContext, specify the RenderingContext class as last argument:
./vendor/bin/fluidlint /path/to/files-or-file MyVendor\\MyPackageName\\Rendering\\MyRenderingContext