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50a8ea3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | import React, { useState, useCallback } from 'react';
interface FoldTextProps {
text: string;
className?: string;
wordClassName?: string;
charClassName?: string;
stagger?: number;
duration?: number;
perspective?: number;
foldDirection?: 'top' | 'bottom' | 'left' | 'right';
hoverEffect?: boolean;
}
export const FoldText: React.FC<FoldTextProps> = ({
text,
className = '',
wordClassName = '',
charClassName = '',
stagger = 0.035,
duration = 0.65,
perspective = 1000,
foldDirection = 'top',
hoverEffect = true,
}) => {
const [animationCycle, setAnimationCycle] = useState(0);
const handleMouseEnter = useCallback(() => {
if (hoverEffect) {
setAnimationCycle((prev) => prev + 1);
}
}, [hoverEffect]);
// Split text into words while tracking cumulative character index for staggered delay
const words = text.split(' ');
let globalCharIndex = 0;
return (
<span
className={`inline-flex flex-wrap justify-center items-center gap-x-[0.28em] select-none cursor-default ${className}`}
style={{ perspective: `${perspective}px` }}
aria-label={text}
onMouseEnter={handleMouseEnter}
>
{words.map((word, wordIdx) => {
const wordChars = word.split('');
return (
<span
key={`word-${wordIdx}-${animationCycle}`}
className={`inline-flex whitespace-nowrap ${wordClassName}`}
style={{ transformStyle: 'preserve-3d' }}
>
{wordChars.map((char) => {
const charIndex = globalCharIndex++;
const delay = charIndex * stagger;
return (
<span
key={`char-${charIndex}-${animationCycle}`}
className={`inline-block will-change-transform ${charClassName}`}
style={{
transformStyle: 'preserve-3d',
transformOrigin:
foldDirection === 'top'
? '50% 0%'
: foldDirection === 'bottom'
? '50% 100%'
: foldDirection === 'left'
? '0% 50%'
: '100% 50%',
animation: `foldTextIn-${foldDirection} ${duration}s cubic-bezier(0.2, 0.9, 0.3, 1) ${delay}s both`,
}}
>
{char}
</span>
);
})}
</span>
);
})}
<style>{`
@keyframes foldTextIn-top {
0% {
opacity: 0;
transform: rotateX(90deg) translateY(-24px) translateZ(15px);
filter: blur(4px);
}
50% {
opacity: 0.8;
filter: blur(1px);
}
100% {
opacity: 1;
transform: rotateX(0deg) translateY(0px) translateZ(0px);
filter: blur(0px);
}
}
@keyframes foldTextIn-bottom {
0% {
opacity: 0;
transform: rotateX(-90deg) translateY(24px) translateZ(15px);
filter: blur(4px);
}
100% {
opacity: 1;
transform: rotateX(0deg) translateY(0px) translateZ(0px);
filter: blur(0px);
}
}
@keyframes foldTextIn-left {
0% {
opacity: 0;
transform: rotateY(-90deg) translateX(-24px);
filter: blur(4px);
}
100% {
opacity: 1;
transform: rotateY(0deg) translateX(0px);
filter: blur(0px);
}
}
@keyframes foldTextIn-right {
0% {
opacity: 0;
transform: rotateY(90deg) translateX(24px);
filter: blur(4px);
}
100% {
opacity: 1;
transform: rotateY(0deg) translateX(0px);
filter: blur(0px);
}
}
`}</style>
</span>
);
};
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