mw_etag | R Documentation |
ETag
header to the responseIf the response already has an ETag
header, then it is kept.
mw_etag(algorithm = "crc32")
algorithm |
Checksum algorithm to use. Only |
This middleware handles the If-None-Match
headers, and it sets the
status code of the response to 304 if If-None-Match
matches the
ETag
. It also removes the response body in this case.
Handler function.
Other middleware:
mw_cgi()
,
mw_cookie_parser()
,
mw_json()
,
mw_log()
,
mw_multipart()
,
mw_range_parser()
,
mw_raw()
,
mw_static()
,
mw_text()
,
mw_urlencoded()
app <- new_app()
app$use(mw_etag())
app
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