using pushstate almost working

index.html

@@ -11,9 +11,7 @@
 		<div id="wobbly-toolbar">
 			<div id="wobbly-tools">
 				<button id="wobbly-help-button">Help</button>
-				<button id="wobbly-back">⬅️</button>
 				<button id="wobbly-up">⬆️</button>
-				<button id="wobbly-forward">➡️</button>
 				<input id="wobbly-addressbar" />
 				<button id="wobbly-go">Go!</button>
 			</div>

main.js

@@ -1,47 +1,42 @@
-var geminiHistory = []
-var geminiPresent = 0
-
 // DOM Elements
 var wobblyWindow
 var wobblyHelpButton
 var wobblyHelp
-var wobblyBack
 var wobblyUp
-var wobblyForward
 var wobblyAddressBar
 var wobblyGo
+var startpage = 'gemini://tildeverse.org/'
 
 function geminiInit() {
   wobblyWindow = document.getElementById("wobbly-window")
   wobblyHelpButton = document.getElementById('wobbly-help-button')
   wobblyHelp = document.getElementById('wobbly-help')
-  wobblyBack = document.getElementById('wobbly-back')
   wobblyUp = document.getElementById('wobbly-up')
-  wobblyForward = document.getElementById('wobbly-forward')
   wobblyAddressBar = document.getElementById('wobbly-addressbar')
   wobblyGo = document.getElementById('wobbly-go')
 
   wobblyHelpButton.addEventListener('click', geminiHelpToggle)
-  wobblyBack.addEventListener('click', geminiBack)
   wobblyUp.addEventListener('click', geminiUp)
-  wobblyForward.addEventListener('click', geminiForward)
   wobblyAddressBar.addEventListener('keypress', geminiEnterListener)
   wobblyGo.addEventListener('click', geminiGo)
 
   // Hijack all clicks for gemini links
   document.addEventListener('click', geminiLinkClickListener, false)
 
+  window.addEventListener('popstate', goFromURL)
+
   // Clear screen to init
   wobblyWindow.innerHTML = ""
 
-  let startpage = 'gemini://tildeverse.org/'
+  goFromURL()
+}
+
+function goFromURL() {
   query_string = window.location.href.split('?')
   if (query_string.length > 1){
     startpage = query_string[1]
   }
-
   wobblyAddressBar.value = startpage
-  geminiHistory.push({url:startpage})
   geminiGo()
 }
 
@@ -58,8 +53,7 @@ function geminiHelpToggle() {
 function geminiGo() {
   url = wobblyAddressBar.value.trim().split("?")[0]
 
-  const pushurl = new URL(window.location)
-  pushurl.searchParams.set(url);
+  const pushurl = new URL(window.location.href.split('?')[0] + '?' + url)
   window.history.pushState({}, '', pushurl)
 
   if (url.length == 0) {
@@ -68,48 +62,24 @@ function geminiGo() {
   if (! url.startsWith("gemini://")) {
     url = "gemini://" + url
   }
-  if (! (url === geminiHistory[geminiPresent].url)) {
-    geminiPresent++
-    geminiHistory[geminiPresent] = {url:url}
-    while (geminiHistory.length > geminiPresent +1) {
-      geminiHistory.pop()
-    }
-  }
   const xmlHttp = new XMLHttpRequest()
   xmlHttp.open( "GET", "browser.cgi?" + url )
   xmlHttp.onload = function () {
     const body = xmlHttp.responseText
     wobblyWindow.innerHTML = body
-    geminiHistory[geminiPresent].body = body
   }
   xmlHttp.send(null)
 }
 
-function geminiBack() {
-  if (geminiPresent > 0) {
-    geminiPresent--
-    wobblyAddressBar.value = geminiHistory[geminiPresent].url
-    wobblyWindow.innerHTML = geminiHistory[geminiPresent].body
-  }
-}
-
 // Big thanks to idiomdrottning for fixing my geminiUp function <3
 function geminiUp() {
-  let components = geminiHistory[geminiPresent].url.match(/\/[^/]*/g)
+  const components = wobblyAddressBar.value.match(/\/[^/]*/g)
   if ("/" == components.pop()) components.pop()
   if (components.length == 1) return
   wobblyAddressBar.value = "gemini:" + components.join("") + "/"
   geminiGo()
 }
 
-function geminiForward() {
-  if (geminiPresent < geminiHistory.length - 1) {
-    geminiPresent++
-    wobblyAddressBar.value = geminiHistory[geminiPresent].url
-    wobblyWindow.innerHTML = geminiHistory[geminiPresent].body
-  }
-}
-
 function geminiEnterListener(e) {
   if(e.keyCode === 13) {
     e.preventDefault()