Add removeQuery to Router DSL

Author: japgolly

doc/changelog/1.1.0.md

@@ -3,6 +3,9 @@
 * [Router] Add a new `Redirect.Method` called `Redirect.Force` which bypasses the History API and
   redirects by setting `window.location.href` directly.
 
+* [Router] Add a new rewrite rule `removeQuery` which removes the query portion of a URL.
+  (e.g. `a/b?c=1` to `a/b`)
+
 * Fix React warnings with SVG VDOM.
 
 * Fix VDOM attributes not accepting types: `Byte`, `Short`, `Float`, `Double`, `Long`

extra/src/main/scala/japgolly/scalajs/react/extra/router/Dsl.scala

@@ -623,6 +623,14 @@ final class RouterConfigDsl[Page] {
   // -------------------------------------------------------------------------------------------------------------------
   // Utilities
 
+  /**
+    * Removes the query portion of the URL.
+    *
+    * e.g. `a/b?c=1` to `a/b`
+    */
+  def removeQuery: Rule =
+    rewritePathR("^(.*?)\\?.*$".r, m => redirectToPath(m group 1)(Redirect.Replace))
+
   /**
    * A rule that uses a replace-state redirect to remove trailing slashes from route URLs.
    */