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Route Data Validation
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Route Conflicts
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Default handler
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Slash handler
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Middleware Registry
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Exception Handling with Ring
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Default Middleware
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Pluggable Coercion
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Route Data Validation
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Compiling Middleware
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Swagger Support
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RESTful form methods
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< li class = "header" > HTTP< / li >
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Interceptors
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Pedestal
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Sieppari
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Default Interceptors
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Transforming Interceptor Chain
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Configuring Routers
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Composing Routers
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Different Routers
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Route Validation
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Dev Workflow
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Shared Routes
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<!-- Title -->
< h1 >
< i class = "fa fa-circle-o-notch fa-spin" > < / i >
< a href = ".." > Slash handler< / a >
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< h1 id = "slash-handler" > Slash handler< / h1 >
< p > The router works with precise matches. If a route is defined without a trailing slash, for example, it won' t match a request with a slash.< / p >
< pre > < code class = "lang-clj" > (< span class = "hljs-name" > require< / span > ' [reitit.ring < span class = "hljs-symbol" > :as< / span > ring])
(< span class = "hljs-name" > < span class = "hljs-builtin-name" > def< / span > < / span > app
(< span class = "hljs-name" > ring/ring-handler< / span >
(< span class = "hljs-name" > ring/router< / span >
[< span class = "hljs-string" > " /ping" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })])))
(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /ping/" < / span > })
< span class = "hljs-comment" > ; nil< / span >
< / code > < / pre >
< p > Sometimes it is desirable that paths with and without a trailing slash are recognized as the same.< / p >
< p > Setting the < code > redirect-trailing-slash-handler< / code > as a second argument to < code > ring-handler< / code > :< / p >
< pre > < code class = "lang-clj" > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > def< / span > < / span > app
(< span class = "hljs-name" > ring/ring-handler< / span >
(< span class = "hljs-name" > ring/router< / span >
[[< span class = "hljs-string" > " /ping" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]
[< span class = "hljs-string" > " /pong/" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]])
(< span class = "hljs-name" > ring/redirect-trailing-slash-handler< / span > )))
(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /ping/" < / span > })
< span class = "hljs-comment" > ; {:status 308, :headers {" Location" " /ping" }, :body " " }< / span >
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(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /pong" < / span > })
< span class = "hljs-comment" > ; {:status 308, :headers {" Location" " /pong/" }, :body " " }< / span >
< / code > < / pre >
< p > < code > redirect-trailing-slash-handler< / code > accepts an optional < code > :method< / code > parameter that allows configuring how (whether) to handle missing/extra slashes. The default is to handle both.< / p >
< pre > < code class = "lang-clj" > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > def< / span > < / span > app
(< span class = "hljs-name" > ring/ring-handler< / span >
(< span class = "hljs-name" > ring/router< / span >
[[< span class = "hljs-string" > " /ping" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]
[< span class = "hljs-string" > " /pong/" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]])
< span class = "hljs-comment" > ; only handle extra trailing slash< / span >
(< span class = "hljs-name" > ring/redirect-trailing-slash-handler< / span > {< span class = "hljs-symbol" > :method< / span > < span class = "hljs-symbol" > :strip< / span > })))
(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /ping/" < / span > })
< span class = "hljs-comment" > ; {:status 308, :headers {" Location" " /ping" }, :body " " }< / span >
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(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /pong" < / span > })
< span class = "hljs-comment" > ; nil< / span >
< / code > < / pre >
< pre > < code class = "lang-clj" > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > def< / span > < / span > app
(< span class = "hljs-name" > ring/ring-handler< / span >
(< span class = "hljs-name" > ring/router< / span >
[[< span class = "hljs-string" > " /ping" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]
[< span class = "hljs-string" > " /pong/" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]])
< span class = "hljs-comment" > ; only handle missing trailing slash< / span >
(< span class = "hljs-name" > ring/redirect-trailing-slash-handler< / span > {< span class = "hljs-symbol" > :method< / span > < span class = "hljs-symbol" > :add< / span > })))
(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /ping/" < / span > })
< span class = "hljs-comment" > ; nil< / span >
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(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /pong" < / span > })
< span class = "hljs-comment" > ; {:status 308, :headers {" Location" " /pong/" }, :body " " }< / span >
< / code > < / pre >
< p > < code > redirect-trailing-slash-handler< / code > can be composed with the default handler using < code > ring/routes< / code > for more correct http error responses:< / p >
< pre > < code class = "lang-clj" > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > def< / span > < / span > app
(< span class = "hljs-name" > ring/ring-handler< / span >
(< span class = "hljs-name" > ring/router< / span >
[[< span class = "hljs-string" > " /ping" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]
[< span class = "hljs-string" > " /pong/" < / span > (< span class = "hljs-name" > < span class = "hljs-builtin-name" > constantly< / span > < / span > {< span class = "hljs-symbol" > :status< / span > < span class = "hljs-number" > 200< / span > , < span class = "hljs-symbol" > :body< / span > < span class = "hljs-string" > " " < / span > })]])
(< span class = "hljs-name" > ring/routes< / span >
(< span class = "hljs-name" > ring/redirect-trailing-slash-handler< / span > {< span class = "hljs-symbol" > :method< / span > < span class = "hljs-symbol" > :add< / span > })
(< span class = "hljs-name" > ring/create-default-handler< / span > ))))
(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /ping/" < / span > })
< span class = "hljs-comment" > ; {:status 404, :body " " , :headers {}}< / span >
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(< span class = "hljs-name" > app< / span > {< span class = "hljs-symbol" > :uri< / span > < span class = "hljs-string" > " /pong" < / span > })
< span class = "hljs-comment" > ; {:status 308, :headers {" Location" " /pong/" }, :body " " }< / span >
< / code > < / pre >
< / section >
< / div >
< div class = "search-results" >
< div class = "has-results" >
< h1 class = "search-results-title" > < span class = 'search-results-count' > < / span > results matching "< span class = 'search-query' > < / span > "< / h1 >
< ul class = "search-results-list" > < / ul >
< / div >
< div class = "no-results" >
< h1 class = "search-results-title" > No results matching "< span class = 'search-query' > < / span > "< / h1 >
< / div >
< / div >
< / div >
< / div >
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< / div >
< a href = "default_handler.html" class = "navigation navigation-prev " aria-label = "Previous page: Default handler" >
< i class = "fa fa-angle-left" > < / i >
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