rustdoc layout template only emit crossorigin when needed
#144467
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The `crossorigin` attribute may cause issues when the href is not actuall across origins. Specifically, the tag causes the browser to send a preflight OPTIONS request to the href even if it is same-origin. Some tempermental servers may reject all CORS preflect requests even if they're actually same-origin, which causes a CORS error and prevents the fonts from loading, even later on. This commit fixes that problem by not emitting `crossorigin` if the url looks like a domain-relative url.
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rustbot has assigned @GuillaumeGomez. Use |
rustbot
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Seems ok to. Do you see any potential issue @notriddle? |
Co-authored-by: Guillaume Gomez <guillaume1.gomez@gmail.com>
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The
crossoriginattribute may cause issues when the href is not actually cross-origin. Specifically, the tag causes the browser to send a preflight OPTIONS request to the server even if it is same-origin. Some temperamental servers may reject all CORS preflight requests even if they're actually same-origin, which causes a CORS error and prevents the fonts from loading, even later on.This commit fixes that problem by not emitting
crossoriginif the url appears to be relative to the same origin.