web: editor dark theme support

Author: palkan

web/src/editor.js

@@ -9,8 +9,18 @@ end
 
 `;
 
+const THEMES = {
+  light: "vs-light",
+  dark: "hc-black",
+};
+
 export const init = (target, opts) => {
+  const theme = window.matchMedia?.("(prefers-color-scheme: dark)").matches
+    ? "dark"
+    : "light";
+
   return monaco.editor.create(target, {
+    theme: THEMES[theme],
     value: DEFAULT_CODE,
     language: "ruby",
     automaticLayout: true,

web/src/game.js

@@ -78,7 +78,7 @@ class Game {
   }
 
   get playerrb() {
-    return this.vm.eval(`File.read("${this.gameDir}/player.rb")`).toString();
+    return this.vm.eval(`File.read("${this.gameDir}/player.rb")`).toString().replace(/\n+$/, '\n');
   }
 
   get profile() {