TerminalAnimation.tsx•9.89 kB
"use client";
import "asciinema-player/dist/bundle/asciinema-player.css";
import "./dracula.css";
import { useCallback, useEffect, useRef, useState } from "react";
import BrowserAnimation from "./BrowserAnimation";
import KeysPaste from "./terminal-ui/keys-paste";
import SpeedDisplay from "./terminal-ui/SpeedDisplay";
import StepsList from "./terminal-ui/StepsList";
import DataWire from "./DataWire";
export type Step = {
type?: string;
label: string;
description: string;
startTime: number;
// NOTE: hardcoded to 1000ms on mobile
pauseMs: number | null;
};
const steps: Step[] = [
{
label: "Copypaste Sentry Issue URL",
description: "Copy the Sentry issue url directly from your browser",
startTime: 31.6,
pauseMs: 2500,
},
{
type: "[toolcall]",
label: "get_issue_details()",
description: "MCP performs a toolcall to fetch issue details",
startTime: 40,
pauseMs: 1750,
},
{
type: "[toolcall]",
label: "analyze_issue_with_seer()",
description:
"A toolcall to Seer to analyze the stack trace and pinpoint the root cause",
startTime: 46,
pauseMs: 2000,
},
{
type: "[LLM]",
label: "Finding solution",
description: "LLM analyzes the context and comes up with a solution",
startTime: 48.5,
pauseMs: 50,
},
{
type: "[LLM]",
label: "Applying Edits",
description: "LLM adds the suggested solution to the codebase",
startTime: 146,
pauseMs: 50,
},
{
label: "Validation",
description: "Automatically running tests to verify the solution works",
startTime: 242,
pauseMs: 50,
},
];
export default function TerminalAnimation() {
const playerRef = useRef<any>(null);
const cliDemoRef = useRef<HTMLDivElement | null>(null);
const autoContinueTimerRef = useRef<ReturnType<typeof setTimeout> | null>(
null,
);
const [currentIndex, setCurrentIndex] = useState<number>(-1);
const currentStepRef = useRef<number>(-1);
const [speed, setSpeed] = useState<number>(3.0);
const OFFSET = 0.01;
const didInitRef = useRef(false);
const isMobileRef = useRef(false);
const isManualSeekRef = useRef(false);
const clearAllTimers = useCallback(() => {
if (autoContinueTimerRef.current) {
clearTimeout(autoContinueTimerRef.current);
autoContinueTimerRef.current = null;
}
}, []);
const hardDispose = useCallback(() => {
clearAllTimers();
try {
const p = playerRef.current;
p?.pause?.();
p?.dispose?.();
} catch {}
playerRef.current = null;
try {
cliDemoRef.current?.replaceChildren();
} catch {}
}, [clearAllTimers]);
const handleMarkerReached = useCallback((markerIndex: number) => {
gotoStep(markerIndex);
}, []);
const mountOnce = useCallback(async () => {
if (playerRef.current) return;
try {
isMobileRef.current =
(typeof window !== "undefined" &&
window.matchMedia?.("(hover: none)")?.matches) ||
(typeof window !== "undefined" && window.innerWidth < 768);
} catch {
isMobileRef.current = false;
}
const AsciinemaPlayerLibrary = await import("asciinema-player" as any);
if (!cliDemoRef.current) return;
// Convert steps to markers format: [time, label]
const markers = steps.map((step) => [step.startTime, step.label]);
const player = AsciinemaPlayerLibrary.create(
"demo.cast",
cliDemoRef.current,
{
// NOTE: defaults to 80cols x 24rows until .cast loads, pulls size of terminal recondinf from .cast on load, unless below specified
rows: Math.max(
1,
Math.floor(
((cliDemoRef.current?.getBoundingClientRect().height ?? 0) - 18) /
16.82, // line-height
),
), // -18 for 9px border on <pre> for terminal output
// NOTE: fits cols to container width (which is extended to 200% on mobile for optimal font-size result), or rows (specified above) to container height by decreasing the font size (note below)
fit: "width",
// NOTE: only works when fit: false
// terimnalFontSize: 14,
// NOTE: customized above in dracula.css
theme: "dracula",
controls: false,
autoPlay: false,
loop: false,
idleTimeLimit: 0.1,
speed: 3.0,
startAt: steps[0].startTime,
preload: true,
pauseOnMarkers: false,
markers: markers,
},
);
playerRef.current = player;
// Listen to marker events from the player
player.addEventListener("marker", (event: any) => {
const { index } = event;
if (!isManualSeekRef.current) {
handleMarkerReached(index);
}
});
}, [handleMarkerReached]);
const gotoStep = useCallback(
(idx: number) => {
const p = playerRef.current;
if (!p) return;
const step = steps[idx];
if (!step) return;
clearAllTimers();
isManualSeekRef.current = true;
const isFastStep = idx === 3 || idx === 4;
const newSpeed = isFastStep ? 30 : 3;
setSpeed(newSpeed);
try {
p.pause?.();
p.seek?.(step.startTime + (isFastStep ? 87 : OFFSET)); // skip 87 seconds fakes a 30x speedup
} catch (err) {
console.error("[TerminalAnimation] gotoStep seek failed", {
stepIndex: idx,
label: step.label,
err,
});
}
currentStepRef.current = idx;
setCurrentIndex(idx);
setTimeout(() => {
isManualSeekRef.current = false;
}, 100);
// NOTE (for self): 1s delay on mobile got left out during handleMarkerReached consolidantion into gotoStep, bring back gotoStep(markerIndex, source: "marker" | "manual") if needed to add back
const mobile = isMobileRef.current;
if (mobile) {
try {
p.play?.();
} catch {}
} else if (step.pauseMs) {
autoContinueTimerRef.current = setTimeout(() => {
try {
p.play?.();
} catch {}
}, step.pauseMs);
}
},
[clearAllTimers],
);
const activateStep = useCallback(
(stepIndex: number) => {
gotoStep(stepIndex);
},
[gotoStep],
);
const restart = useCallback(() => {
clearAllTimers();
const p = playerRef.current;
if (!p) return;
currentStepRef.current = -1;
setCurrentIndex(-1);
try {
p.pause?.();
p.seek?.(steps[0].startTime - OFFSET);
setSpeed(3);
} catch {}
// Start from the first marker
setTimeout(() => {
try {
p.play?.();
} catch {}
}, 100);
}, [clearAllTimers]);
useEffect(() => {
if (didInitRef.current) return;
didInitRef.current = true;
(async () => {
await mountOnce();
// Start playing from the first marker
setTimeout(() => {
const p = playerRef.current;
try {
p?.play?.();
} catch {}
}, 100);
})();
return () => {
clearAllTimers();
hardDispose();
};
}, [mountOnce, clearAllTimers, hardDispose]);
return (
<>
<div
className={`${
currentIndex === 1
? "xl:border-orange-400/50"
: currentIndex === 2
? "xl:border-pink-400/50"
: currentIndex === 4
? "xl:border-lime-200/50"
: "border-white/10"
} relative w-full flex flex-col justify-between col-span-2 gap-8 max-xl:row-span-6 border bg-background/50 rounded-xl sm:rounded-3xl overflow-hidden`}
>
<div className="w-full relative overflow-hidden min-h-56 h-full sm:[mask-image:radial-gradient(circle_at_top_right,transparent_10%,red_20%)] [mask-image:radial-gradient(circle_at_top_right,transparent_20%,red_30%)]">
<div
className="absolute bottom-0 right-0 left-1 flex justify-start h-full w-[60rem] overflow-hidden rounded-xl sm:rounded-3xl [mask-image:linear-gradient(to_bottom,transparent,red_0.5rem,red_calc(100%-0.5rem),transparent)] [&>.ap-wrapper>.ap-player]:w-full [&>.ap-wrapper]:w-full [&>.ap-wrapper]:flex [&>.ap-wrapper]:!justify-start [&>.ap-wrapper>.ap-player>.ap-terminal]:absolute [&>.ap-wrapper>.ap-player>.ap-terminal]:bottom-0"
ref={cliDemoRef}
/>
</div>
<SpeedDisplay speed={speed} />
<KeysPaste step={currentIndex} />
<div className="relative bottom-0 inset-x-0">
<StepsList
onSelectAction={(i) => (i === 0 ? restart() : activateStep(i))}
globalIndex={Math.max(currentIndex, 0)}
className=""
restart={restart}
steps={steps}
/>
</div>
</div>
<div
className={`${
currentIndex > 4 ? "opacity-0 scale-y-50" : "opacity-100 scale-y-100"
} duration-300 max-xl:hidden absolute h-full inset-y-0 left-1/2 -translate-x-1/2 w-8 py-12 flex justify-around flex-col`}
>
{Array.from({ length: 24 }).map((_, i) => (
<DataWire
// biome-ignore lint/suspicious/noArrayIndexKey: <explanation>
key={i}
active={
currentIndex === 1 || currentIndex === 2 || currentIndex === 4
}
direction={currentIndex === 4 ? "ltr" : "rtl"}
pulseColorClass={
currentIndex === 4
? "text-lime-200/50"
: currentIndex === 2
? "text-pink-400/50"
: "text-orange-400/50"
}
heightClass="h-0.5"
periodSec={0.3}
pulseWidthPct={200}
delaySec={Math.random() * 0.3}
/>
))}
</div>
<div className="relative max-xl:row-span-0 hidden col-span-2 xl:flex flex-col w-full">
<BrowserAnimation globalIndex={currentIndex} />
</div>
</>
);
}