Bugfix/404 index.html (#39)

Author: aca-ta

public/index.html

@@ -27,13 +27,16 @@
     <script async src="https://www.googletagmanager.com/gtag/js?id=UA-197700032-1"></script>
     <script>
       // GitHub Pages での SPA アドレス解決用
-      (function(){
-        const query = window.location.search;
-        if (query.startsWith('?p=')) {
-          const route = decodeURIComponent(query.substr(3));
-          window.history.replaceState(null, null, route);
+      (function(l) {
+        if (l.search[1] === '/' ) {
+          var decoded = l.search.slice(1).split('&').map(function(s) {
+            return s.replace(/~and~/g, '&')
+          }).join('?');
+          window.history.replaceState(null, null,
+              l.pathname.slice(0, -1) + decoded + l.hash
+          );
         }
-      })();
+      }(window.location))
 
     </script>
     <script>