comment-callout

1import { loadFont } from "@remotion/google-fonts/Inter";
2import { interpolate, spring, useCurrentFrame, useVideoConfig } from "remotion";
3import { stageScale } from "@/remotion/lib/ai-composer-utils";
4import { CODE_THEMES } from "@/remotion/lib/code-syntax";
5import { EASING } from "@/remotion/lib/motion-tokens";
6import { markEmphasis, markerEdges } from "@/remotion/lib/text-emphasis";
7 
8const { fontFamily } = loadFont("normal", {
9  weights: ["400", "500", "600", "700"],
10  subsets: ["latin"],
11});
12 
13/** Reference stage the card is laid out against, then uniformly scaled. */
14const REF_WIDTH = 1280;
15const REF_HEIGHT = 720;
16 
17const CARD_WIDTH = 840;
18const AVATAR = 68;
19const BODY_SIZE = 40;
20const BODY_LINE = 1.2;
21 
22/** Characters per second the reply is typed at. */
23const REPLY_CPS = 34;
24 
25export type CommentCalloutProps = {
26  /** The viewer comment being answered. */
27  body?: string;
28  /** Display name of the commenter. */
29  author?: string;
30  /** Social handle, also used on the reply line. */
31  handle?: string;
32  /** Avatar initials. Falls back to the first two letters of `author`. */
33  initials?: string;
34  /** Relative time shown next to the handle, e.g. "2h". */
35  timestamp?: string;
36  /**
37   * Substring of `body` to mark up as the creator emphasises the ask.
38   * Matched case-insensitively; omit to skip the highlight beat.
39   */
40  highlight?: string;
41  /** The answer typed back. Omit to end the scene on the comment itself. */
42  reply?: string;
43  /** Label above the composer. */
44  replyLabel?: string;
45  /** Like count before the creator hearts the comment. */
46  likes?: number;
47  accentColor?: string;
48  /** Overrides the page background behind the card. */
49  backgroundColor?: string;
50  theme?: "dark" | "light";
51  /** Animation speed multiplier. */
52  speed?: number;
53};
54 
55/** Drawn, not typed — emoji render inconsistently across platforms. */
56const Heart: React.FC<{ size: number; color: string; fill: number }> = ({
57  size,
58  color,
59  fill,
60}) => (
61  <svg width={size} height={size} viewBox="0 0 24 24" fill="none">
62    <path
63      d="M12 20.2s-7.4-4.6-7.4-9.6a4.2 4.2 0 0 1 7.4-2.7 4.2 4.2 0 0 1 7.4 2.7c0 5-7.4 9.6-7.4 9.6Z"
64      stroke={color}
65      strokeWidth={1.8}
66      strokeLinejoin="round"
67      fill={color}
68      fillOpacity={fill}
69    />
70  </svg>
71);
72 
73const Reply: React.FC<{ size: number; color: string }> = ({ size, color }) => (
74  <svg width={size} height={size} viewBox="0 0 24 24" fill="none">
75    <path
76// … truncated