The TwigLoader should inject a {% line %} tag to preserve line numbers in errors about front-matter HOT 5 CLOSED

@stof Thanks for the suggestion! It is implemented in the master branch.

@localheinz You can now inject the front matter as variables into Twig template, see https://github.com/webuni/front-matter#twig-loader.

from front-matter.

@stof

Quick question, have you gotten parsing of front matter to work?

I have been fiddling around with Twig to achieve the following:

• store front matter in Twig templates
• merge context passed to render() with data from front matter stored in Twig templates

However, this does not appear to be so easy:

• If you want to use the LintCommand to lint Twig templates with front matter, you have to copy, adjust, and eventually replace the entire LintCommand to allow for manipulating the $template because the validate() method in the LintCommand is private. You also have to replace the native filesystem loader with the front matter loader from this package here. Here we need to ignore the front matter, otherwise the tokenizer chokes on the front matter, but we also need to inject the {% line%} marker (:+1:) to allow for better debugging
• If you want to merge the context passed to render() with data from front matter stored in Twig templates, that appears to be another can of worms to me.

Have you gotten anything similar to above to work?

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@localheinz I'm not using front matters myself in my templates. I commented here because I provided answers in the issues discussing the feature request in Twig itself

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@stof

Thank you!

Is this the issue?

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@localheinz yes (or at least one of them, I don't remember if there was other duplicates)

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