Completed boot loading to ECG, to name written

This commit is contained in:
2026-02-12 22:31:34 +00:00
parent 4eeeb05744
commit 3afadbdc73
10 changed files with 961 additions and 509 deletions
+357 -200
View File
@@ -1,4 +1,4 @@
import { useEffect, useState, useRef, useCallback } from 'react'
import { useEffect, useLayoutEffect, useState, useRef, useCallback } from 'react'
import { motion, AnimatePresence } from 'framer-motion'
// =============================================================================
@@ -25,6 +25,8 @@ interface BootConfig {
cursorBlinkInterval: number
holdAfterComplete: number
fadeOutDuration: number
cursorShrinkDuration: number
ecgStartDelay: number
}
colors: {
bright: string
@@ -38,10 +40,34 @@ interface BootSequenceProps {
onCursorPositionReady?: (position: { x: number; y: number }) => void
}
interface TypedSegment {
text: string
color: string
bold?: boolean
isSeedDot?: boolean
}
interface TypedLine {
segments: TypedSegment[]
totalChars: number
pauseAfter: number // ms to pause after this line completes
speed: number // ms per character (0 = instant)
}
// =============================================================================
// Configuration
// =============================================================================
// Global speed multiplier for typing animation.
// 1.0 = default (~3.3s typing). Lower = faster, higher = slower.
const TYPING_SPEED = 2
const COLORS = {
bright: '#00ff41',
dim: '#3a6b45',
cyan: '#00e5ff',
}
const BOOT_CONFIG: BootConfig = {
header: 'CLINICAL TERMINAL v3.2.1',
lines: [
@@ -57,195 +83,349 @@ const BOOT_CONFIG: BootConfig = {
{ type: 'module', text: 'population_health.mod', style: 'dim' },
{ type: 'module', text: 'data_analytics.eng', style: 'dim' },
{ type: 'separator', text: '---', style: 'dim' },
{ type: 'ready', text: 'READY Rendering CV..', style: 'bright' },
{ type: 'ready', text: 'READY \u2014 Rendering CV..', style: 'bright' },
],
timing: {
lineDelay: 220,
cursorBlinkInterval: 530,
holdAfterComplete: 400,
fadeOutDuration: 800,
},
colors: {
bright: '#00ff41',
dim: '#3a6b45',
cyan: '#00e5ff',
cursorBlinkInterval: 300,
holdAfterComplete: 900,
fadeOutDuration: 600,
cursorShrinkDuration: 600,
ecgStartDelay: 0,
},
colors: COLORS,
}
// =============================================================================
// Helper Functions
// =============================================================================
function getCumulativeDelay(lineIndex: number): number {
return lineIndex * BOOT_CONFIG.timing.lineDelay
// Apply speed multiplier — instant lines (speed=0) stay instant
function s(ms: number): number {
return Math.round(ms * TYPING_SPEED)
}
// =============================================================================
// Line Components
// =============================================================================
// Build typed lines from BOOT_CONFIG
function buildTypedLines(): TypedLine[] {
const lines: TypedLine[] = []
function BootLineHeader({ text }: { text: string }) {
return (
<div className="font-mono text-sm leading-relaxed">
<span
className="font-bold"
style={{ color: BOOT_CONFIG.colors.bright }}
>
{text}
</span>
</div>
)
}
// Header
const headerText = BOOT_CONFIG.header
lines.push({
segments: [{ text: headerText, color: COLORS.bright, bold: true }],
totalChars: headerText.length,
pauseAfter: s(40),
speed: s(18),
})
function BootLineStatus({ line }: { line: BootLine }) {
const color = line.style ? BOOT_CONFIG.colors[line.style] : BOOT_CONFIG.colors.dim
return (
<div className="font-mono text-sm leading-relaxed" style={{ color }}>
{line.text}
</div>
)
}
function BootLineSeparator({ line }: { line: BootLine }) {
const color = line.style ? BOOT_CONFIG.colors[line.style] : BOOT_CONFIG.colors.dim
return (
<div className="font-mono text-sm leading-relaxed" style={{ color }}>
{line.text || '---'}
</div>
)
}
function BootLineField({ line }: { line: BootLine }) {
const valueColor = line.style ? BOOT_CONFIG.colors[line.style] : BOOT_CONFIG.colors.bright
return (
<div className="font-mono text-sm leading-relaxed">
<span style={{ color: BOOT_CONFIG.colors.cyan }}>
{(line.label || '').padEnd(9)}
</span>
<span style={{ color: valueColor }}>{line.value}</span>
</div>
)
}
function BootLineModule({ line }: { line: BootLine }) {
const textColor = line.style ? BOOT_CONFIG.colors[line.style] : BOOT_CONFIG.colors.dim
return (
<div className="font-mono text-sm leading-relaxed">
<span className="font-bold" style={{ color: BOOT_CONFIG.colors.bright }}>
[OK]
</span>{' '}
<span style={{ color: textColor }}>{line.text}</span>
</div>
)
}
function BootLineReady({ line }: { line: BootLine }) {
const color = line.style ? BOOT_CONFIG.colors[line.style] : BOOT_CONFIG.colors.bright
return (
<div className="font-mono text-sm leading-relaxed">
<span className="font-bold" style={{ color }}>
&gt; {line.text}
<span className="ecg-seed-dot">.</span>
</span>
</div>
)
}
function BootLineRenderer({ line }: { line: BootLine }) {
switch (line.type) {
case 'header':
return <BootLineHeader text={line.text || ''} />
case 'status':
return <BootLineStatus line={line} />
case 'separator':
return <BootLineSeparator line={line} />
case 'field':
return <BootLineField line={line} />
case 'module':
return <BootLineModule line={line} />
case 'ready':
return <BootLineReady line={line} />
default:
return null
for (const line of BOOT_CONFIG.lines) {
switch (line.type) {
case 'status': {
const text = line.text || ''
lines.push({
segments: [{ text, color: COLORS.dim }],
totalChars: text.length,
pauseAfter: s(40),
speed: s(14),
})
break
}
case 'separator': {
const text = line.text || '---'
lines.push({
segments: [{ text, color: COLORS.dim }],
totalChars: text.length,
pauseAfter: s(50),
speed: 0, // instant
})
break
}
case 'field': {
const label = (line.label || '').padEnd(9)
const value = line.value || ''
const valueColor = line.style === 'cyan' ? COLORS.cyan : COLORS.bright
lines.push({
segments: [
{ text: label, color: COLORS.cyan },
{ text: value, color: valueColor },
],
totalChars: label.length + value.length,
pauseAfter: s(30),
speed: s(10),
})
break
}
case 'module': {
const prefix = '[OK] '
const name = line.text || ''
lines.push({
segments: [
{ text: '[OK]', color: COLORS.bright, bold: true },
{ text: ' ', color: COLORS.dim },
{ text: name, color: COLORS.dim },
],
totalChars: prefix.length + name.length,
pauseAfter: s(50),
speed: 0, // instant — stdout output
})
break
}
case 'ready': {
const prefix = '> '
const body = line.text || ''
const seedDot = '.'
lines.push({
segments: [
{ text: prefix + body, color: COLORS.bright, bold: true },
{ text: seedDot, color: COLORS.bright, bold: true, isSeedDot: true },
],
totalChars: prefix.length + body.length + seedDot.length,
pauseAfter: 0,
speed: s(16),
})
break
}
}
}
return lines
}
const TYPED_LINES = buildTypedLines()
const TOTAL_CHARS = TYPED_LINES.reduce((sum, l) => sum + l.totalChars, 0)
// =============================================================================
// Main Component
// =============================================================================
export function BootSequence({ onComplete, onCursorPositionReady }: BootSequenceProps) {
const [typedCount, setTypedCount] = useState(0)
const [phase, setPhase] = useState<'typing' | 'holding' | 'fading' | 'done'>('typing')
const [isVisible, setIsVisible] = useState(true)
const [showCursor, setShowCursor] = useState(false)
const [cursorCaptured, setCursorCaptured] = useState(false)
const [isMorphing, setIsMorphing] = useState(false)
const cursorRef = useRef<HTMLDivElement>(null)
const reducedMotion = typeof window !== 'undefined'
? window.matchMedia('(prefers-reduced-motion: reduce)').matches
const cursorRef = useRef<HTMLSpanElement>(null)
const cursorAnchorRef = useRef<HTMLSpanElement>(null)
const containerRef = useRef<HTMLDivElement>(null)
const cursorCapturedRef = useRef(false)
const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null)
const [cursorPos, setCursorPos] = useState<{ left: number; top: number } | null>(null)
const reducedMotion = typeof window !== 'undefined'
? window.matchMedia('(prefers-reduced-motion: reduce)').matches
: false
// Calculate total boot time
const totalBootTime = BOOT_CONFIG.lines.length * BOOT_CONFIG.timing.lineDelay
const fadeStartTime = totalBootTime + BOOT_CONFIG.timing.holdAfterComplete
// Capture cursor position when boot completes
// Capture cursor position for ECG handoff
const captureCursorPosition = useCallback(() => {
if (cursorRef.current && onCursorPositionReady && !cursorCaptured) {
if (cursorRef.current && onCursorPositionReady && !cursorCapturedRef.current) {
const rect = cursorRef.current.getBoundingClientRect()
const position = {
onCursorPositionReady({
x: rect.left + rect.width / 2,
y: rect.top + rect.height / 2,
}
onCursorPositionReady(position)
setCursorCaptured(true)
})
cursorCapturedRef.current = true
}
}, [onCursorPositionReady, cursorCaptured])
}, [onCursorPositionReady])
// Handle completion sequence
// Typing engine — runs as a self-scheduling setTimeout chain
useEffect(() => {
if (reducedMotion) {
// Reduced motion: show everything instantly, then complete
const timer = setTimeout(onComplete, 500)
return () => clearTimeout(timer)
if (reducedMotion || phase !== 'typing') return
// All characters typed
if (typedCount >= TOTAL_CHARS) {
setPhase('holding')
return
}
// Show cursor after all lines are rendered
const cursorTimer = setTimeout(() => {
setShowCursor(true)
}, totalBootTime)
// Find which line the cursor is on and position within it
let lineStart = 0
let lineIdx = 0
for (let i = 0; i < TYPED_LINES.length; i++) {
if (lineStart + TYPED_LINES[i].totalChars > typedCount) {
lineIdx = i
break
}
lineStart += TYPED_LINES[i].totalChars
}
// Capture cursor position and start morph
const morphTimer = setTimeout(() => {
captureCursorPosition()
setIsMorphing(true)
}, fadeStartTime - 100)
const line = TYPED_LINES[lineIdx]
const posInLine = typedCount - lineStart
// Fade out and complete
const fadeTimer = setTimeout(() => {
setIsVisible(false)
}, fadeStartTime)
const completeTimer = setTimeout(() => {
onComplete()
}, fadeStartTime + BOOT_CONFIG.timing.fadeOutDuration)
if (posInLine === 0 && line.speed === 0) {
// Instant line: show all chars at once after a brief pause
timeoutRef.current = setTimeout(() => {
setTypedCount(lineStart + line.totalChars)
}, line.pauseAfter || 10)
} else if (posInLine === 0 && lineIdx > 0) {
// Start of a new typed line — apply previous line's pauseAfter
timeoutRef.current = setTimeout(() => {
setTypedCount(prev => prev + 1)
}, TYPED_LINES[lineIdx - 1].pauseAfter)
} else {
// Type one character at the line's speed
timeoutRef.current = setTimeout(() => {
setTypedCount(prev => prev + 1)
}, line.speed)
}
return () => {
clearTimeout(cursorTimer)
clearTimeout(morphTimer)
clearTimeout(fadeTimer)
clearTimeout(completeTimer)
if (timeoutRef.current) clearTimeout(timeoutRef.current)
}
}, [onComplete, totalBootTime, fadeStartTime, captureCursorPosition, reducedMotion])
}, [typedCount, phase, reducedMotion])
// Hold phase: capture cursor, then start fading
useEffect(() => {
if (phase !== 'holding') return
captureCursorPosition()
const fadeTimer = setTimeout(() => {
setPhase('fading')
}, BOOT_CONFIG.timing.holdAfterComplete)
return () => clearTimeout(fadeTimer)
}, [phase, captureCursorPosition])
// Fade phase: wait for animations to finish, then complete
useEffect(() => {
if (phase !== 'fading') return
const longestFade = Math.max(
BOOT_CONFIG.timing.fadeOutDuration,
BOOT_CONFIG.timing.cursorShrinkDuration
)
const completeTimer = setTimeout(() => {
setIsVisible(false)
setPhase('done')
onComplete()
}, longestFade + BOOT_CONFIG.timing.ecgStartDelay)
return () => clearTimeout(completeTimer)
}, [phase, onComplete])
// Reduced motion: skip animation
useEffect(() => {
if (!reducedMotion) return
const timer = setTimeout(onComplete, 500)
return () => clearTimeout(timer)
}, [reducedMotion, onComplete])
// Track cursor anchor position relative to the content container
useLayoutEffect(() => {
if (!cursorAnchorRef.current || !containerRef.current || phase === 'done') return
const anchor = cursorAnchorRef.current.getBoundingClientRect()
const container = containerRef.current.getBoundingClientRect()
setCursorPos({
left: anchor.left - container.left,
top: anchor.top - container.top,
})
}, [typedCount, phase])
// Render the typed lines up to typedCount
const renderLines = () => {
let remaining = typedCount
const renderedLines: React.ReactNode[] = []
let cursorPlaced = false
for (let lineIdx = 0; lineIdx < TYPED_LINES.length; lineIdx++) {
const line = TYPED_LINES[lineIdx]
// During typing, render this line if we've started typing into it (or it's the first line with cursor)
if (phase === 'typing' && remaining <= 0 && lineIdx > 0) break
const charsForLine = Math.min(Math.max(0, remaining), line.totalChars)
remaining -= charsForLine
// Cursor goes on the line currently being typed, or the last line in non-typing phases
const isCursorLine = phase === 'typing'
? !cursorPlaced && (charsForLine < line.totalChars || remaining <= 0)
: lineIdx === TYPED_LINES.length - 1
// Render segments
let charBudget = phase === 'typing' ? charsForLine : line.totalChars
const spans: React.ReactNode[] = []
for (let segIdx = 0; segIdx < line.segments.length; segIdx++) {
const seg = line.segments[segIdx]
if (charBudget <= 0 && phase === 'typing') break
const visibleChars = phase === 'typing'
? Math.min(charBudget, seg.text.length)
: seg.text.length
const visibleText = seg.text.slice(0, visibleChars)
charBudget -= visibleChars
if (seg.isSeedDot && visibleChars > 0) {
spans.push(
<span
key={segIdx}
className={phase === 'holding' ? 'ecg-seed-dot animate-seed-pulse' : 'ecg-seed-dot'}
style={{ color: seg.color, fontWeight: seg.bold ? 700 : 400 }}
>
{visibleText}
</span>
)
} else if (visibleChars > 0) {
spans.push(
<span
key={segIdx}
style={{ color: seg.color, fontWeight: seg.bold ? 700 : 400 }}
>
{visibleText}
</span>
)
}
}
// Invisible placeholder to mark cursor position (actual cursor rendered outside fading wrapper)
if (isCursorLine && phase !== 'done') {
cursorPlaced = true
spans.push(
<span
key="cursor-anchor"
ref={cursorAnchorRef}
className="inline-block align-middle"
style={{ width: 8, height: 16, marginLeft: 1 }}
/>
)
}
renderedLines.push(
<div key={lineIdx} className="font-mono text-sm leading-relaxed whitespace-nowrap">
{spans}
</div>
)
}
return renderedLines
}
// Reduced motion: instant render
if (reducedMotion) {
return (
<div className="fixed inset-0 z-50 flex flex-col justify-center bg-black p-10 font-mono text-sm overflow-hidden">
<div className="fixed inset-0 z-50 flex flex-col justify-center bg-black px-5 py-8 sm:p-10 font-mono text-sm overflow-hidden">
<div className="flex flex-col gap-1 max-w-[640px] transform -translate-y-1/2">
<BootLineHeader text={BOOT_CONFIG.header} />
{BOOT_CONFIG.lines.map((line, index) => (
<BootLineRenderer key={index} line={line} />
))}
{(() => {
// Render all lines fully
const lines: React.ReactNode[] = []
for (let lineIdx = 0; lineIdx < TYPED_LINES.length; lineIdx++) {
const line = TYPED_LINES[lineIdx]
const spans: React.ReactNode[] = []
for (let segIdx = 0; segIdx < line.segments.length; segIdx++) {
const seg = line.segments[segIdx]
spans.push(
<span
key={segIdx}
className={seg.isSeedDot ? 'ecg-seed-dot' : undefined}
style={{ color: seg.color, fontWeight: seg.bold ? 700 : 400 }}
>
{seg.text}
</span>
)
}
lines.push(
<div key={lineIdx} className="font-mono text-sm leading-relaxed whitespace-nowrap">
{spans}
</div>
)
}
return lines
})()}
</div>
</div>
)
@@ -255,14 +435,16 @@ export function BootSequence({ onComplete, onCursorPositionReady }: BootSequence
<AnimatePresence>
{isVisible && (
<motion.div
className="fixed inset-0 z-50 flex flex-col justify-center bg-black p-10 font-mono text-sm overflow-hidden"
className="fixed inset-0 z-50 flex flex-col justify-center bg-black px-5 py-8 sm:p-10 font-mono text-sm overflow-hidden"
initial={{ opacity: 1 }}
exit={{ opacity: 0 }}
transition={{ duration: BOOT_CONFIG.timing.fadeOutDuration / 1000, ease: 'easeOut' }}
exit={{ opacity: 1 }}
transition={{ duration: 0 }}
>
{/* CRT Scanlines */}
<div
<motion.div
className="absolute inset-0 pointer-events-none"
animate={{ opacity: phase === 'fading' || phase === 'done' ? 0 : 1 }}
transition={{ duration: BOOT_CONFIG.timing.fadeOutDuration / 1000, ease: 'easeOut' }}
style={{
background: `repeating-linear-gradient(
0deg,
@@ -274,62 +456,37 @@ export function BootSequence({ onComplete, onCursorPositionReady }: BootSequence
}}
/>
{/* Content */}
<div className="flex flex-col gap-1 max-w-[640px] transform -translate-y-1/2 relative z-10">
{/* Header */}
{/* Content container */}
<div ref={containerRef} className="flex flex-col gap-1 max-w-[640px] transform -translate-y-1/2 relative z-10">
{/* Text fades out independently */}
<motion.div
initial={{ opacity: 0, y: 8 }}
animate={{ opacity: 1, y: 0 }}
transition={{ duration: 0.4, ease: 'easeOut' }}
animate={{ opacity: phase === 'fading' || phase === 'done' ? 0 : 1 }}
transition={{ duration: BOOT_CONFIG.timing.fadeOutDuration / 1000, ease: 'easeOut' }}
>
<BootLineHeader text={BOOT_CONFIG.header} />
{renderLines()}
</motion.div>
{/* Lines */}
{BOOT_CONFIG.lines.map((line, index) => (
<motion.div
key={index}
className="whitespace-nowrap leading-relaxed"
initial={{ opacity: 0, y: 8 }}
animate={{ opacity: 1, y: 0 }}
transition={{
delay: getCumulativeDelay(index) / 1000,
duration: 0.4,
ease: 'easeOut',
}}
>
<BootLineRenderer line={line} />
</motion.div>
))}
{/* Blinking Cursor */}
{showCursor && (
<motion.div
{/* Cursor rendered outside fading wrapper — shrinks independently */}
{cursorPos && phase !== 'done' && (
<span
ref={cursorRef}
className="inline-block ml-1"
initial={{ opacity: 0 }}
animate={{
opacity: isMorphing ? 0 : 1,
scaleX: isMorphing ? 0 : 1,
width: isMorphing ? 0 : 8,
}}
transition={{ duration: 0.3, ease: 'easeOut' }}
className="absolute animate-blink"
style={{
height: 16,
backgroundColor: BOOT_CONFIG.colors.bright,
animation: isMorphing ? undefined : 'blink 530ms infinite',
left: cursorPos.left,
top: cursorPos.top + (phase === 'fading' ? 12 : 0),
width: 8,
height: phase === 'fading' ? 4 : 16,
backgroundColor: COLORS.bright,
filter: phase === 'fading' ? 'blur(1px)' : 'none',
boxShadow: phase === 'fading' ? '0 0 12px rgba(0,255,65,0.9)' : 'none',
transition: phase === 'fading'
? `top ${BOOT_CONFIG.timing.cursorShrinkDuration}ms ease-out, height ${BOOT_CONFIG.timing.cursorShrinkDuration}ms ease-out, filter ${BOOT_CONFIG.timing.cursorShrinkDuration}ms ease-out, box-shadow ${BOOT_CONFIG.timing.cursorShrinkDuration}ms ease-out`
: 'none',
animationDuration: `${BOOT_CONFIG.timing.cursorBlinkInterval}ms`,
}}
/>
)}
</div>
{/* CSS for blink animation */}
<style>{`
@keyframes blink {
0%, 50% { opacity: 1; }
51%, 100% { opacity: 0; }
}
`}</style>
</motion.div>
)}
</AnimatePresence>