Add ability to parse root site deployment path (#2)
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@ -8,7 +8,7 @@ Most of this code is adapted from [http4s](http4s.org)'s route parsing and path
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Add to library dependencies:
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```
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"com.clovellytech" %%% "outwatch-router" % "0.0.5"
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"com.clovellytech" %%% "outwatch-router" % "0.0.6"
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```
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See [documentation][doc-root]
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@ -12,10 +12,19 @@ final case class Replace(path: Path) extends Action
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final case class RouterState[P](page: P)
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class AppRouter[P](root: Path, f: Path => P) {
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/**
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* An AppRouter handles parsing of URLs and mapping to pages of the given type.
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* @param siteRoot - The prefix part of a pathname, or the subpath at which your site is applied.
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* Usually this is just Root, but your site might need a prefix as in /my_site/[parsed pathname]
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* @param parent - The parent path at which this router is mounted. You can have routers contained in subroots of your site.
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* @param f - a mapping function from a Path to a page P.
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* @tparam P - Your page type, such as a sealed trait root type.
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*/
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class AppRouter[P](siteRoot: Path, parent: Path, f: Path => P) {
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// Sync from the required page to the window.location
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def routerReducer(state: RouterState[P], action: Action): RouterState[P] = action match {
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case Replace(path) =>
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window.history.replaceState("", "", Path(root, path).toString)
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window.history.pushState("", "", Path(siteRoot, Path(parent, path)).toString)
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state.copy(page = f(path))
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case _ => state
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}
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@ -39,5 +48,33 @@ object AppRouter{
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create[P](Root, notFound)(f)
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def create[P](parent: Path, notFound: P)(f: PartialFunction[Path, P]): AppRouter[P] =
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new AppRouter[P](parent, f.lift.andThen(_.getOrElse(notFound)))
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new AppRouter[P](Root, parent, f.lift.andThen(_.getOrElse(notFound)))
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def createParseSiteRoot[P](notFound: P)(f: PartialFunction[Path, P]): AppRouter[P] =
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createParseSiteRoot[P](Root, notFound)(f)
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/**
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* Automatically determine what siteroot we're using, based on the current URL and expected parent.
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* For example, your site could be deployed at /example/directory/, your router root path could be /names,
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* and the current url could be /example/directory/names/alice. So given the call:
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* createParseSubRoot[Page](Path("/names"), NotFound)(f), the router will work out that the window location
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* prefix must be /example/directory/names, and will handle actions such as Replace(Path("/names/bob"))
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* @param parent the parent for this router, another path perhaps managed by another router
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* @param notFound - the default case page assignment
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* @param f - a router function from Path to instances of your page type
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* @tparam P - your page type
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*/
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def createParseSiteRoot[P](parent: Path, notFound: P)(f: PartialFunction[Path, P]): AppRouter[P] = {
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val initUrl = window.location.pathname
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// url is of form /sra/srb/src/pa/pb/pc...
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// so just drop the parent part from the right of the url if it exists.
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val siteRoot = initUrl.lastIndexOf(parent.toString) match {
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case x if x < 1 => Root
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case x => Path(initUrl.substring(0, x))
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}
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val routerFun: Path => P = f.lift.andThen(_.getOrElse(notFound))
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new AppRouter[P](siteRoot, parent, routerFun)
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}
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}
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@ -1,4 +1,4 @@
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object Version{
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val version = "0.0.5"
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val version = "0.0.6"
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val scalaVersion = "2.12.8"
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}
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