.req_has_query_impl

Report whether a request includes a <code>QUERY_STRING</code> object with a specified
<code>key</code>, and optionally a specific value for that key.

internal

Sometimes it is useful to serve up alternative 'shiny' UIs
depending on information passed in the request object, such as the value of
a cookie or a query parameter. This packages facilitates such switches.

Jon Harmon

scenes

Switch Between Alternative 'shiny' UIs

.req_has_query_impl function

<dl><dt>request</dt>
<dd>A shiny request object.</dd>
<dt>key</dt>
<dd>The key that must be present, as a length-1 character vector.</dd>
<dt>values</dt>
<dd>Details about what to look for in the <code>key</code>. <code>NULL</code> indicates
that the <code>key</code> must be present but its contents are unimportant for this
action. Otherwise the actual value of the query must be present in
<code>values</code>.</dd></dl>

Arguments

Check a Request for a Query with a Key — .req_has_query_impl

<dl>

<dt>request</dt>
<dd>A shiny request object.</dd>


<dt>key</dt>
<dd>The key that must be present, as a length-1 character vector.</dd>


<dt>values</dt>
<dd>Details about what to look for in the <code>key</code>. <code>NULL</code> indicates
that the <code>key</code> must be present but its contents are unimportant for this
action. Otherwise the actual value of the query must be present in
<code>values</code>.</dd>

</dl>

.req_has_query_impl: Check a Request for a Query with a Key

Description

Usage

Value

Arguments