shadcn/ui — Not a library. Your code.

1"use client";
2 
3import {
4  Sequence,
5  interpolate,
6  useCurrentFrame,
7  useVideoConfig,
8} from "remotion";
9 
10export interface GlassCodeBlockProps {
11  code?: string;
12  title?: string;
13  width?: number;
14  height?: number;
15  fontSize?: number;
16  glassColor?: string;
17  staggerFrames?: number;
18  showTrafficLights?: boolean;
19  /** The soft cyan/purple gradient glow behind the glass. On by default. */
20  aura?: boolean;
21  /**
22   * Reveal the first line as a left-to-right typewriter (with a block cursor)
23   * instead of the default fade-up; the remaining lines then stagger in only
24   * after the first line finishes typing. Off by default.
25   */
26  typeFirstLine?: boolean;
27  /** Typing speed (characters/second) when `typeFirstLine` is on. */
28  firstLineCps?: number;
29  speed?: number;
30  className?: string;
31}
32 
33/** Frames the first-line typewriter takes — exported so a caller can sync a
34 *  camera move to the moment typing completes. */
35export function firstLineTypeFrames(
36  firstLine: string,
37  firstLineCps: number,
38  fps: number,
39): number {
40  return Math.ceil((firstLine.length / firstLineCps) * fps);
41}
42 
43const FONT_MONO =
44  "var(--font-geist-mono), ui-monospace, SFMono-Regular, monospace";
45 
46const DEFAULT_CODE = `import { motion } from "remotion";
47 
48// Generate a hero scene
49export function Hero() {
50  const frame = useCurrentFrame();
51  const opacity = frame / 30;
52  return <h1 style={{ opacity }}>Hello</h1>;
53}`;
54 
55// Minimal regex tokenizer. NOT a real syntax highlighter — just enough to
56// give the eye color anchors. Order matters: comments → strings → keywords.
57const KEYWORDS = new Set([
58  "import",
59  "from",
60  "export",
61  "function",
62  "const",
63  "let",
64  "var",
65  "return",
66  "if",
67  "else",
68  "for",
69  "while",
70  "new",
71  "class",
72  "extends",
73  "default",
74  "true",
75  "false",
76  "null",
77  "undefined",
78]);
79 
80type Token = {
81  text: string;
82  kind: "code" | "comment" | "string" | "keyword" | "number";
83};
84 
85function tokenizeLine(line: string): Token[] {
86  // Whole-line comment.
87  const trimmed = line.trimStart();
88  if (trimmed.startsWith("//")) {
89    return [{ text: line, kind: "comment" }];
90  }
91 
92  const tokens: Token[] = [];
93  // Split keeping delimiters: words, strings, numbers, everything else.
94  const re = /("[^"]*"|'[^']*'|`[^`]*`|\b\d+\b|\b[A-Za-z_$][\w$]*\b|[^\w"']+)/g;
95  let match: RegExpExecArray | null;
96  while ((match = re.exec(line)) !== null) {
97    const t = match[0];
98    const first = t[0];
99    if (first === '"' || first === "'" || first === "`") {
100// … truncated