.annotate_template_file_names annotates HTML output with template names #38848
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…e names As a developer, when looking at a page in my web browser, it's sometimes difficult to figure out which template(s) are being used to render the page. config.action_view.annotate_template_file_names adds HTML comments to the rendered output indicating where each template begins and ends. Co-authored-by: Aaron Patterson <tenderlove@github.com>
This was referenced Apr 8, 2020
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great to see this being added after proposing it 6 years ago 👍 just wanted to leave a comment here, that i'm going to discontinue to support partially_useful the gem adding this functionality for rails > 6.0 for later reference. |
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.annotate_template_file_names annotates HTML output with template file names
Problem
As a developer, when looking at a page in my web browser, it's sometimes
difficult to figure out which template(s) are being used to render the page.
Solution
config.action_view.annotate_template_file_namesadds HTML comments to therendered output indicating where each template begins and ends, leveraging the lovely
ActionView::Template#short_identifierintroduced by @jhawthorn in #35407:(Note: Chrome moves any HTML comments outside the
htmltag to insidebody, which is why<!-- END app/views/layouts/application.html.erb -->is shown as being insidebody, despite falling after the closinghtmltag in the document)Co-authored-by: Aaron Patterson tenderlove@github.com