Caption Neon Accent

1"use client";
2 
3import { Timegroup } from "@editframe/react";
4import type { CSSProperties } from "react";
5 
6export interface CaptionWord {
7  text: string;
8  start: number;
9  end: number;
10}
11 
12export interface CaptionNeonAccentProps {
13  words?: CaptionWord[];
14  accentWords?: string[];
15  color?: string;
16  accentColor?: string;
17  fontSize?: number;
18  fontWeight?: number | string;
19  accentScale?: number;
20  background?: string;
21  speed?: number;
22  fps?: number;
23  durationInFrames?: number;
24  width?: number;
25  height?: number;
26  className?: string;
27}
28 
29const DEFAULT_WORDS: CaptionWord[] = [
30  { end: 0.35, start: 0, text: "Every" },
31  { end: 0.65, start: 0.35, text: "great" },
32  { end: 1, start: 0.65, text: "video" },
33  { end: 1.45, start: 1.1, text: "starts" },
34  { end: 1.65, start: 1.45, text: "with" },
35  { end: 1.8, start: 1.65, text: "a" },
36  { end: 2.15, start: 1.8, text: "single" },
37  { end: 2.7, start: 2.15, text: "frame." },
38  { end: 3.2, start: 3, text: "No" },
39  { end: 3.9, start: 3.2, text: "timelines." },
40  { end: 4.2, start: 4, text: "No" },
41  { end: 4.5, start: 4.2, text: "drag" },
42  { end: 4.65, start: 4.5, text: "and" },
43  { end: 5.1, start: 4.65, text: "drop." },
44  { end: 5.55, start: 5.3, text: "Just" },
45  { end: 6, start: 5.55, text: "code." },
46];
47 
48const WORDS_PER_GROUP = 3;
49 
50export const CaptionNeonAccent = ({
51  words = DEFAULT_WORDS,
52  accentWords = ["frame.", "code."],
53  color = "#ffffff",
54  accentColor = "#a855f7",
55  fontSize = 64,
56  fontWeight = 700,
57  accentScale = 1.5,
58  background = "#0a0a0a",
59  speed = 1,
60  fps = 30,
61  durationInFrames = 180,
62  width = 1280,
63  height = 720,
64  className,
65}: CaptionNeonAccentProps) => {
66  const safeSpeed = Math.max(0.01, speed);
67  const durationMs = (durationInFrames / fps) * 1000;
68 
69  const groups = [];
70  for (let i = 0; i < words.length; i += WORDS_PER_GROUP) {
71    const groupWords = words.slice(i, i + WORDS_PER_GROUP);
72    groups.push({
73      endMs: ((groupWords.at(-1)?.end ?? 0) * 1000) / safeSpeed + 180,
74      startMs: (groupWords[0].start * 1000) / safeSpeed,
75      words: groupWords,
76    });
77  }
78 
79  const containerStyle: CSSProperties = {
80    background,
81    height,
82    overflow: "hidden",
83    position: "relative",
84    width,
85  };
86 
87  const clampedScale = Math.max(1.2, Math.min(2.5, accentScale));
88 
89  return (
90    <Timegroup
91      className={className}
92      duration={`${durationMs}ms`}
93      mode="fixed"
94      style={containerStyle}
95    >
96      <>
97        <style>{`
98// … truncated