What provides boolean query methods on Mime::Type instances for the native Rails mime-types.
You now have these methods
available from your controllers:
request.format.atom?
request.format.css?
request.format.csv?
request.format.html?
request.format.ics?
request.format.js?
request.format.json?
request.format.multipart_form?
request.format.rss?
request.format.text?
request.format.url_encoded_form?
request.format.xml?
request.format.yaml?
... and any custom mime types that you add in any environment specific config files.
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30 Day SummarySep 18 2026 — Oct 18 2026
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12 Month SummaryOct 18 2025 — Oct 18 2026
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