51:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 52:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 53:T1d13,"use client"; import { useEffect, useMemo, useRef, useState } from "react"; import { cn } from "../../utils"; import { useLiveRef } from "../../internals/dom/use-live-ref"; import "./terminal-text.css"; export interface TerminalTextProps { lines: string[]; speed?: number; delay?: number; cursor?: boolean; cursorChar?: string; glitch?: boolean; className?: string; onComplete?: () => void; } const GLITCH_GLYPHS = "アイウエオ@#$%&!?░▒▓█▄▀■□▪▫"; export function TerminalText({ lines, speed = 40, delay = 0, cursor = true, cursorChar = "█", glitch = false, className, onComplete, }: TerminalTextProps) { const [displayedLines, setDisplayedLines] = useState([]); const [done, setDone] = useState(false); // Latest-value refs so timeout callbacks read current values, matching the // Svelte closures over reactive props/state. const displayedLinesRef = useRef(displayedLines); displayedLinesRef.current = displayedLines; const glitchRef = useRef(glitch); glitchRef.current = glitch; const onCompleteRef = useRef(onComplete); onCompleteRef.current = onComplete; // The stream reads the CURRENT list when it schedules, the way the source's // `streamLines()` closure reads the reactive `lines` prop. const linesRef = useLiveRef(lines); // The stream is keyed on the CONTENT, never on the `lines` array itself. The // array is an identity that a call site like `lines={["a", "b"]}` re-allocates // on every parent render; keying the effect on it would clear the pending // timeouts, wipe the typed-out text and restart the whole animation each time // the parent re-renders. The source restarts only when a tracked value really // changes, and an inline literal in a Svelte template is not one. // Serialised rather than joined, so `["ab"]` and `["a", "b"]` — which stream // differently — never collide on the same key. // // Keyed on `lines` REFERENCE identity via useMemo, not recomputed on every // call: the component body re-runs once per streamed character (each is // its own state update), and JSON.stringify over a long transcript on // every one of those internal renders is O(n²) in the stream length. A // fresh array from the parent (different identity) still re-serialises — // so equal-content-but-new-reference arrays keep comparing by content, // same as before — only re-renders that reuse the same array skip it. const linesKey = useMemo(() => JSON.stringify(lines), [lines]); // Glitch bookkeeping never drives markup, so it lives in a ref, not state. const glitchStateRef = useRef<{ lineIdx: number; charIdx: number; original: string } | null>( null ); // Timeout pool owned by the stream: the character schedule, the done tick and // the 100ms glitch restores. Cleared whenever the stream restarts // (lines/speed/delay change) and on unmount. The self-rescheduling glitch // chain is NOT in here — see the glitch effect below. const timeoutsRef = useRef[]>([]); function scheduleTimeout(fn: () => void, ms: number) { const id = setTimeout(fn, ms); timeoutsRef.current.push(id); return id; } function clearAllTimeouts() { timeoutsRef.current.forEach(clearTimeout); timeoutsRef.current = []; } function glitchOnce() { const displayed = displayedLinesRef.current; if (displayed.length === 0) return; // Pick a random line with content const linesWithContent = displayed.map((l, i) => ({ l, i })).filter(({ l }) => l.length > 0); if (linesWithContent.length === 0) return; const { l, i } = linesWithContent[Math.floor(Math.random() * linesWithContent.length)]!; const charIdx = Math.floor(Math.random() * l.length); const original = l[charIdx]!; const fakeGlyph = GLITCH_GLYPHS[Math.floor(Math.random() * GLITCH_GLYPHS.length)]; glitchStateRef.current = { lineIdx: i, charIdx, original }; // Temporarily replace char in display, restore after 100ms setDisplayedLines((prev) => prev.map((line, idx) => { if (idx !== i) return line; return line.slice(0, charIdx) + fakeGlyph + line.slice(charIdx + 1); }) ); scheduleTimeout(() => { const glitchState = glitchStateRef.current; if (glitchState && glitchState.lineIdx === i && glitchState.charIdx === charIdx) { setDisplayedLines((prev) => prev.map((line, idx) => { if (idx !== i) return line; return line.slice(0, charIdx) + original + line.slice(charIdx + 1); }) ); glitchStateRef.current = null; } }, 100); } // The chain owns its own pending id and a cancelled flag, so its teardown // stops exactly the chain it started. Keeping it out of the stream's pool // means a lines/speed/delay restart no longer kills the loop, and a glitch // flip no longer leaves an orphaned chain running alongside the new one. function startGlitchLoop(chain: { cancelled: boolean; id: ReturnType | null }) { const scheduleGlitch = () => { // Random interval between 2s and 4s const interval = 2000 + Math.random() * 2000; chain.id = setTimeout(() => { if (chain.cancelled) return; if (glitchRef.current) glitchOnce(); scheduleGlitch(); }, interval); }; scheduleGlitch(); } // React only to lines/speed/delay — changing glitch won't restart the stream useEffect(() => { clearAllTimeouts(); setDisplayedLines([]); displayedLinesRef.current = []; setDone(false); glitchStateRef.current = null; let totalDelay = delay; const streamed = linesRef.current; for (let lineIdx = 0; lineIdx < streamed.length; lineIdx++) { const line = streamed[lineIdx]!; // Push empty line placeholder const capturedIdx = lineIdx; scheduleTimeout(() => { setDisplayedLines((prev) => [...prev, ""]); }, totalDelay); // Stream characters one by one for (let charIdx = 0; charIdx < line.length; charIdx++) { const capturedChar = charIdx; const capturedLine = line; totalDelay += speed; scheduleTimeout(() => { setDisplayedLines((prev) => prev.map((l, i) => (i === capturedIdx ? capturedLine.slice(0, capturedChar + 1) : l)) ); }, totalDelay); } // Small pause between lines totalDelay += speed * 3; } // Mark done scheduleTimeout(() => { setDone(true); onCompleteRef.current?.(); }, totalDelay); return () => { clearAllTimeouts(); }; // eslint-disable-next-line react-hooks/exhaustive-deps }, [linesKey, speed, delay]); // React to glitch changes without restarting the stream useEffect(() => { if (!glitch) { glitchStateRef.current = null; return; } const chain: { cancelled: boolean; id: ReturnType | null } = { cancelled: false, id: null, }; startGlitchLoop(chain); return () => { chain.cancelled = true; if (chain.id !== null) clearTimeout(chain.id); }; // eslint-disable-next-line react-hooks/exhaustive-deps }, [glitch]); return (

{displayedLines.map((line, i) => (

{line} {cursor && i === displayedLines.length - 1 && !done ? ( {cursorChar} ) : null}

))} {cursor && done ? (

{cursorChar}

) : null}

); } 50:["$","div",null,{"className":"mt-3 flex min-h-0 min-w-0 flex-1 flex-col gap-3","children":[["$","div",null,{"className":"flex shrink-0 items-start gap-3","children":[["$","div",null,{"className":"flex max-h-28 min-w-0 flex-1 flex-wrap items-center gap-2 overflow-y-auto","children":[null,["$","$L51",null,{"namespace":"@fancy-ui","registryDependencies":["https://fancy-ui.rama.app/r/internals-dom.json","https://fancy-ui.rama.app/r/utils.json"]}]]}],null]}],["$","$L52",null,{"files":[{"path":"react/src/components/terminal-text/TerminalText.tsx","content":"$53","type":"registry:ui","target":"@ui/fancy/components/terminal-text/TerminalText.tsx"},{"path":"react/src/components/terminal-text/index.ts","content":"\"use client\";\n\nexport { TerminalText } from \"./TerminalText\";\nexport type { TerminalTextProps } from \"./TerminalText\";\n","type":"registry:ui","target":"@ui/fancy/components/terminal-text/index.ts"},{"path":"react/src/components/terminal-text/terminal-text.css","content":"/* .terminal-text anchor is port-added: the source's compiler-scoped