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1.1.0 2018-07-16 10:01 UTC

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Last update: 2024-06-12 03:52:49 UTC


Command line tool which scans your TYPO3 site for and compiles without rendering, Fluid template files. Simply put, warms up the Fluid template cache by parsing and compiling all templates without rendering them.

Also functions as a basic linting utility - any errors automatically cause the template to be uncompilable and the parsing-specific extension message such as "undeclared arguments passed to ViewHelper" is presented as failure message.


Only available through composer:

composer require namelesscoder/typo3-cms-fluid-precompiler


The purpose of this utility is to allow Fluid templates to be compiled ("cached") without having to render each one, as is normally required before the Fluid template gets compiled.

The intention is to enable:

  • Development / continuous integration (optional failure exit code) and reporting of uncompilable templates.
  • Fairly verbose output containing mitigation suggestions when a template is uncompilable.
  • Ability to "warm up" all Fluid templates' compiled states as part of a deployment script.

The utility exclusively supports pre-compiling of templates which conform to the TYPO3 template folder naming conventions - that means that only templates which exist in the default paths of each extension will be compiled. And this means templates are expected in EXT:$extkey/Resources/Private/Templates, layouts are expected in EXT:$extkey/Resources/Private/Layouts and partials in EXT:$extkey/Resources/Private/Partials. Any template file not located in those paths will be ignored.


All parameters can be combined as needed and all parameters have a short name like -h and a long name like --help. Only one of the parameters - -e or --extension - takes an argument value.

Print this help text

./vendor/bin/fluid-precompile -h
./vendor/bin/fluid-precompile --help

Pre-compile every template in every installed extension.


Pre-compile every template in a specific, installed extension.

./vendor/bin/fluid-precompile -e my_extension
./vendor/bin/fluid-precompile --extension my_extension

Silence output

./vendor/bin/fluid-precompile -s
./vendor/bin/fluid-precompile --silent

Verbose output

./vendor/bin/fluid-precompile -v
./vendor/bin/fluid-precompile --verbose

Fail (exit code 1) on any uncompilable template

./vendor/bin/fluid-precompile -f
./vendor/bin/fluid-precompile --fail

CI Usage

The tool can also be used with Composer's --require-dev and called from a continuous integration framework, in case you want to prevent any uncompilable or otherwise error prone templates from being committed to your project.

I recommend the following command to perform the check:

./vendor/bin/fluid-precompile -e $EXTKEY -v -f

Which will attempt to compile all templates in extension $EXTKEY (which you must define/substitute, of course) and be verbose about the output (to include any failure messages and print all status for all templates) and finally to fail if any uncompilable templates are detected (but still report all failures if there are more than one).

Bonus effect: this performs basic linting on your Fluid template files to ensure that they can be parsed correctly. Note that this doesn't necessarily mean that your templates also render correctly; the linting does not take things like TypoScript variables or potentially missing sections/partials into account, it only validates the syntax you used.

A word on custom implementations

It is perfectly possible to implement your own template pre-compiling logic - and do so very quickly. If you look into the source code of the FluidPrecompiler class shipped with this utility you can see that the requirements are excessively simple:

  • You need the TYPO3 context, to include things like the cache definitions (a custom bootstrapping application class is used to do that - if you do this from within an existing TYPO3 context no such thing is necessary).
  • You need to build an instance of a RenderingContext which is specific to one extension - once you have the instance you can then override settings to provide different template paths.
  • The pre-compiling (in Fluid terms, warmup) result contains information about all detected files with their individual status and any failure reasons if the template was uncompilable.

This makes it fairly easy to implement a custom warmup feature in for example a TYPO3 backend module, as hook that triggers after caches are flushed, as part of your extension installation process, and so on.

When you encounter cases which appear to require a custom implementation, consider the following:

  • Are you breaking MVC in your template file naming - would it be better to conform to MVC?
  • Would it be better to place your Fluid template files in the default locations as per convention?
  • Is your rendering setup perhaps too complex - for example, does it demand a lot of custom View initialisation?
  • Are you placing your template files in fileadmin? Then urgently consider putting them in an extension.