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| 1 | +import { motion } from 'framer-motion' |
| 2 | +import { useEffect, useRef, useState } from 'react' |
| 3 | + |
| 4 | +function Space({ children = ' ' }) { |
| 5 | + return ( |
| 6 | + <motion.span |
| 7 | + transition={{ type: 'spring', bounce: '0', duration: 1 }} |
| 8 | + variants={{ |
| 9 | + initial: { |
| 10 | + width: 'auto', |
| 11 | + }, |
| 12 | + highlighted: { |
| 13 | + width: 'auto', |
| 14 | + }, |
| 15 | + exiting: { |
| 16 | + width: '0ch', |
| 17 | + transition: { type: 'spring', bounce: '0', duration: 1 }, |
| 18 | + }, |
| 19 | + settled: { |
| 20 | + width: 'auto', |
| 21 | + }, |
| 22 | + }} |
| 23 | + className="relative inline-block rounded-sm" |
| 24 | + > |
| 25 | + <span className="relative"> |
| 26 | + <motion.span |
| 27 | + variants={{ |
| 28 | + initial: { |
| 29 | + opacity: 0, |
| 30 | + }, |
| 31 | + highlighted: { |
| 32 | + opacity: 0.25, |
| 33 | + }, |
| 34 | + exiting: { |
| 35 | + opacity: 0, |
| 36 | + transition: { duration: 0.1 }, |
| 37 | + }, |
| 38 | + settled: { |
| 39 | + opacity: 0, |
| 40 | + }, |
| 41 | + }} |
| 42 | + className="absolute inset-0 bg-white rounded-sm" |
| 43 | + /> |
| 44 | + <motion.span |
| 45 | + className="relative" |
| 46 | + variants={{ |
| 47 | + initial: { |
| 48 | + opacity: 1, |
| 49 | + }, |
| 50 | + highlighted: { |
| 51 | + opacity: 1, |
| 52 | + }, |
| 53 | + exiting: { |
| 54 | + opacity: 0, |
| 55 | + transition: { duration: 0.1 }, |
| 56 | + }, |
| 57 | + settled: { |
| 58 | + opacity: 1, |
| 59 | + transition: { delay: 0.2 }, |
| 60 | + }, |
| 61 | + }} |
| 62 | + > |
| 63 | + {children} |
| 64 | + </motion.span> |
| 65 | + </span> |
| 66 | + </motion.span> |
| 67 | + ) |
| 68 | +} |
| 69 | + |
| 70 | +const TIMINGS = { |
| 71 | + initial: [1500, 'highlighted'], |
| 72 | + highlighted: [1000, 'exiting'], |
| 73 | + exiting: [2500, 'settled'], |
| 74 | + settled: [4000, 'highlighted'], |
| 75 | +} |
| 76 | + |
| 77 | +export function WhitespaceDemo() { |
| 78 | + let [activeState, setActiveState] = useState('initial') |
| 79 | + |
| 80 | + useTimeout(() => { |
| 81 | + setActiveState(TIMINGS[activeState][1]) |
| 82 | + }, TIMINGS[activeState][0]) |
| 83 | + |
| 84 | + return ( |
| 85 | + <motion.div initial="initial" animate={activeState}> |
| 86 | + <pre className="language-jsx"> |
| 87 | + <code className="language-jsx"> |
| 88 | + <span className="token keyword">function</span>{' '} |
| 89 | + <span className="token function"> |
| 90 | + <span className="token maybe-class-name">MyComponent</span> |
| 91 | + </span> |
| 92 | + <span className="token punctuation">(</span> |
| 93 | + <span className="token parameter"> |
| 94 | + <span className="token punctuation">{'{'}</span> children{' '} |
| 95 | + <span className="token punctuation">{'}'}</span> |
| 96 | + </span> |
| 97 | + <span className="token punctuation">)</span>{' '} |
| 98 | + <span className="token punctuation">{'{'}</span> |
| 99 | + {'\n'} |
| 100 | + {' '} |
| 101 | + <span className="token keyword control-flow">return</span>{' '} |
| 102 | + <span className="token punctuation">(</span> |
| 103 | + {'\n'} |
| 104 | + {' '} |
| 105 | + <span className="token tag"> |
| 106 | + <span className="token tag"> |
| 107 | + <span className="token punctuation"><</span>div |
| 108 | + </span>{' '} |
| 109 | + <span className="token attr-name">className</span> |
| 110 | + <span className="token attr-value"> |
| 111 | + <span className="token punctuation attr-equals">=</span> |
| 112 | + <span className="token punctuation">"</span> |
| 113 | + <Space /> |
| 114 | + mx-auto <Space /> |
| 115 | + max-w-7xl px-6 lg:px-8 |
| 116 | + <Space /> |
| 117 | + <span className="token punctuation">"</span> |
| 118 | + </span> |
| 119 | + <span className="token punctuation">></span> |
| 120 | + </span> |
| 121 | + <span className="token plain-text"> |
| 122 | + {'\n'} |
| 123 | + {' '} |
| 124 | + </span> |
| 125 | + <span className="token punctuation">{'{'}</span>children |
| 126 | + <span className="token punctuation">{'}'}</span> |
| 127 | + <span className="token plain-text"> |
| 128 | + {'\n'} |
| 129 | + {' '} |
| 130 | + </span> |
| 131 | + <span className="token tag"> |
| 132 | + <span className="token tag"> |
| 133 | + <span className="token punctuation"></</span>div |
| 134 | + </span> |
| 135 | + <span className="token punctuation">></span> |
| 136 | + </span> |
| 137 | + {'\n'} |
| 138 | + {' '} |
| 139 | + <span className="token punctuation">)</span> |
| 140 | + {'\n'} |
| 141 | + <span className="token punctuation">{'}'}</span> |
| 142 | + </code> |
| 143 | + </pre> |
| 144 | + </motion.div> |
| 145 | + ) |
| 146 | +} |
| 147 | + |
| 148 | +export function DuplicationDemo() { |
| 149 | + let [activeState, setActiveState] = useState('initial') |
| 150 | + |
| 151 | + useTimeout(() => { |
| 152 | + setActiveState(TIMINGS[activeState][1]) |
| 153 | + }, TIMINGS[activeState][0]) |
| 154 | + |
| 155 | + return ( |
| 156 | + <motion.div initial="initial" animate={activeState}> |
| 157 | + <pre className="language-jsx"> |
| 158 | + <code className="language-jsx"> |
| 159 | + <span className="token keyword">function</span>{' '} |
| 160 | + <span className="token function"> |
| 161 | + <span className="token maybe-class-name">MyComponent</span> |
| 162 | + </span> |
| 163 | + <span className="token punctuation">(</span> |
| 164 | + <span className="token parameter"> |
| 165 | + <span className="token punctuation">{'{'}</span> children{' '} |
| 166 | + <span className="token punctuation">{'}'}</span> |
| 167 | + </span> |
| 168 | + <span className="token punctuation">)</span>{' '} |
| 169 | + <span className="token punctuation">{'{'}</span> |
| 170 | + {'\n'} |
| 171 | + {' '} |
| 172 | + <span className="token keyword control-flow">return</span>{' '} |
| 173 | + <span className="token punctuation">(</span> |
| 174 | + {'\n'} |
| 175 | + {' '} |
| 176 | + <span className="token tag"> |
| 177 | + <span className="token tag"> |
| 178 | + <span className="token punctuation"><</span>div |
| 179 | + </span>{' '} |
| 180 | + <span className="token attr-name">className</span> |
| 181 | + <span className="token attr-value"> |
| 182 | + <span className="token punctuation attr-equals">=</span> |
| 183 | + <span className="token punctuation">"</span> |
| 184 | + flex{' '} |
| 185 | + <span |
| 186 | + className={`${ |
| 187 | + activeState === 'exiting' |
| 188 | + ? 'decoration-transparent' |
| 189 | + : 'decoration-yellow-300 delay-200' |
| 190 | + } underline underline-offset-1 decoration-wavy transition decoration-1`} |
| 191 | + > |
| 192 | + bg-zinc-100 |
| 193 | + </span>{' '} |
| 194 | + <Space> |
| 195 | + <span className="underline underline-offset-1 decoration-wavy transition decoration-1 decoration-yellow-300"> |
| 196 | + bg-zinc-100 |
| 197 | + </span>{' '} |
| 198 | + </Space> |
| 199 | + px-4 |
| 200 | + <span className="token punctuation">"</span> |
| 201 | + </span> |
| 202 | + <span className="token punctuation">></span> |
| 203 | + </span> |
| 204 | + <span className="token plain-text"> |
| 205 | + {'\n'} |
| 206 | + {' '} |
| 207 | + </span> |
| 208 | + <span className="token punctuation">{'{'}</span>children |
| 209 | + <span className="token punctuation">{'}'}</span> |
| 210 | + <span className="token plain-text"> |
| 211 | + {'\n'} |
| 212 | + {' '} |
| 213 | + </span> |
| 214 | + <span className="token tag"> |
| 215 | + <span className="token tag"> |
| 216 | + <span className="token punctuation"></</span>div |
| 217 | + </span> |
| 218 | + <span className="token punctuation">></span> |
| 219 | + </span> |
| 220 | + {'\n'} |
| 221 | + {' '} |
| 222 | + <span className="token punctuation">)</span> |
| 223 | + {'\n'} |
| 224 | + <span className="token punctuation">{'}'}</span> |
| 225 | + </code> |
| 226 | + </pre> |
| 227 | + </motion.div> |
| 228 | + ) |
| 229 | +} |
| 230 | + |
| 231 | +function useTimeout(callback, delay) { |
| 232 | + const timeoutRef = useRef(null) |
| 233 | + const savedCallback = useRef(callback) |
| 234 | + useEffect(() => { |
| 235 | + savedCallback.current = callback |
| 236 | + }, [callback]) |
| 237 | + useEffect(() => { |
| 238 | + const tick = () => savedCallback.current() |
| 239 | + if (typeof delay === 'number') { |
| 240 | + timeoutRef.current = window.setTimeout(tick, delay) |
| 241 | + return () => window.clearTimeout(timeoutRef.current) |
| 242 | + } |
| 243 | + }, [delay]) |
| 244 | + return timeoutRef |
| 245 | +} |
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