terminal improvements + styling

frontend/components/editor/index.tsx

@@ -30,8 +30,6 @@ import EditorTerminal from "./terminal"
 import { Terminal } from "@xterm/xterm"
 import { FitAddon } from "@xterm/addon-fit"
 
-import { decodeTerminalResponse } from "@/lib/utils"
-
 export default function CodeEditor({
   userId,
   sandboxId,
@@ -284,11 +282,11 @@ export default function CodeEditor({
               minSize={20}
               className="p-2 flex flex-col"
             >
-              <div className="h-10 w-full flex gap-2">
+              <div className="h-10 w-full flex gap-2 shrink-0">
                 <Tab selected>Node</Tab>
                 <Tab>Console</Tab>
               </div>
-              <div className="w-full relative grow rounded-md bg-secondary">
+              <div className="w-full relative grow h-full overflow-hidden rounded-md bg-secondary">
                 {socket ? <EditorTerminal socket={socket} /> : null}
               </div>
             </ResizablePanel>

frontend/components/editor/terminal/index.tsx

@@ -2,6 +2,7 @@
 
 import { Terminal } from "@xterm/xterm"
 import { FitAddon } from "@xterm/addon-fit"
+import "./xterm.css"
 
 import { useEffect, useRef, useState } from "react"
 import { Socket } from "socket.io-client"
@@ -14,7 +15,10 @@ export default function EditorTerminal({ socket }: { socket: Socket }) {
     if (!terminalRef.current) return
 
     const terminal = new Terminal({
-      cursorBlink: false,
+      cursorBlink: true,
+      theme: {
+        background: "#262626",
+      },
     })
 
     setTerm(terminal)
@@ -67,9 +71,5 @@ export default function EditorTerminal({ socket }: { socket: Socket }) {
     }
   }, [term, terminalRef.current])
 
-  return (
-    <div>
-      <div ref={terminalRef} className="w-full h-1/2 text-left"></div>
-    </div>
-  )
+  return <div ref={terminalRef} className="w-full h-full text-left"></div>
 }

frontend/components/editor/terminal/xterm.css

@@ -0,0 +1,219 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ * @license MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/**
+ *  Default styles for xterm.js
+ */
+
+ .xterm {
+  cursor: text;
+  position: relative;
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  padding: 8px;
+}
+
+.xterm.focus,
+.xterm:focus {
+  outline: none;
+}
+
+.xterm .xterm-helpers {
+  position: absolute;
+  top: 0;
+  /**
+   * The z-index of the helpers must be higher than the canvases in order for
+   * IMEs to appear on top.
+   */
+  z-index: 5;
+}
+
+.xterm .xterm-helper-textarea {
+  padding: 0;
+  border: 0;
+  margin: 0;
+  /* Move textarea out of the screen to the far left, so that the cursor is not visible */
+  position: absolute;
+  opacity: 0;
+  left: -9999em;
+  top: 0;
+  width: 0;
+  height: 0;
+  z-index: -5;
+  /** Prevent wrapping so the IME appears against the textarea at the correct position */
+  white-space: nowrap;
+  overflow: hidden;
+  resize: none;
+}
+
+.xterm .composition-view {
+  /* TODO: Composition position got messed up somewhere */
+  background: transparent;
+  color: #FFF;
+  display: none;
+  position: absolute;
+  white-space: nowrap;
+  z-index: 1;
+}
+
+.xterm .composition-view.active {
+  display: block;
+}
+
+.xterm .xterm-viewport {
+  /* On OS X this is required in order for the scroll bar to appear fully opaque */
+  background-color: transparent;
+  overflow-y: scroll;
+  cursor: default;
+  position: absolute;
+  right: 0;
+  left: 0;
+  top: 0;
+  bottom: 0;
+}
+
+.xterm .xterm-screen {
+  position: relative;
+}
+
+.xterm .xterm-screen canvas {
+  position: absolute;
+  left: 0;
+  top: 0;
+}
+
+.xterm .xterm-scroll-area {
+  visibility: hidden;
+}
+
+.xterm-char-measure-element {
+  display: inline-block;
+  visibility: hidden;
+  position: absolute;
+  top: 0;
+  left: -9999em;
+  line-height: normal;
+}
+
+.xterm.enable-mouse-events {
+  /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+  cursor: default;
+}
+
+.xterm.xterm-cursor-pointer,
+.xterm .xterm-cursor-pointer {
+  cursor: pointer;
+}
+
+.xterm.column-select.focus {
+  /* Column selection mode */
+  cursor: crosshair;
+}
+
+.xterm .xterm-accessibility:not(.debug),
+.xterm .xterm-message {
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  right: 0;
+  z-index: 10;
+  color: transparent;
+  pointer-events: none;
+}
+
+.xterm .xterm-accessibility-tree:not(.debug) *::selection {
+color: transparent;
+}
+
+.xterm .xterm-accessibility-tree {
+user-select: text;
+white-space: pre;
+}
+
+.xterm .live-region {
+  position: absolute;
+  left: -9999px;
+  width: 1px;
+  height: 1px;
+  overflow: hidden;
+}
+
+.xterm-dim {
+  /* Dim should not apply to background, so the opacity of the foreground color is applied
+   * explicitly in the generated class and reset to 1 here */
+  opacity: 1 !important;
+}
+
+.xterm-underline-1 { text-decoration: underline; }
+.xterm-underline-2 { text-decoration: double underline; }
+.xterm-underline-3 { text-decoration: wavy underline; }
+.xterm-underline-4 { text-decoration: dotted underline; }
+.xterm-underline-5 { text-decoration: dashed underline; }
+
+.xterm-overline {
+  text-decoration: overline;
+}
+
+.xterm-overline.xterm-underline-1 { text-decoration: overline underline; }
+.xterm-overline.xterm-underline-2 { text-decoration: overline double underline; }
+.xterm-overline.xterm-underline-3 { text-decoration: overline wavy underline; }
+.xterm-overline.xterm-underline-4 { text-decoration: overline dotted underline; }
+.xterm-overline.xterm-underline-5 { text-decoration: overline dashed underline; }
+
+.xterm-strikethrough {
+  text-decoration: line-through;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration {
+z-index: 6;
+position: absolute;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration.xterm-decoration-top-layer {
+z-index: 7;
+}
+
+.xterm-decoration-overview-ruler {
+  z-index: 8;
+  position: absolute;
+  top: 0;
+  right: 0;
+  pointer-events: none;
+}
+
+.xterm-decoration-top {
+  z-index: 2;
+  position: relative;
+}