GSAP 사례 연구

Flexbox Filtering

카드 · MIT (local companion); GSAP Standard No Charge License (runtime)

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CASE STUDY
Flexbox Filtering 정적 미리보기

갤러리 안에서는 화면을 벗어나거나 움직임을 멈추면 예제도 닫힙니다. 다시 재생할 때는 처음부터 시작해요.

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vendor/gsap-previews/sources/gsap-8794fcb95a60/study-brief.json실행 안내·자료
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  "title": "Flexbox Filtering",
  "sourceUrl": "https://demos.gsap.com/demo/flexbox-filtering",
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        "label": "No matches",
        "type": "button",
        "action": "Exercise the empty result state while preserving a readable result count."
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        "action": "Select All and restore visibility and transform/opacity values."
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}
vendor/gsap-previews/sources/gsap-8794fcb95a60/source-inputs.json실행 안내·자료
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vendor/gsap-previews/sources/gsap-8794fcb95a60/index.html실행 안내·자료
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<main class="study"><p class="study-label">공식 API 기반 · 독립 예제</p><header><h2>남는 항목과 드나드는 항목</h2><p>먼저 이전 배치를 기록하고 실제 필터를 적용합니다. 이동과 가시성은 같은 전환이 정리합니다.</p></header><div class="stage"><ul class="filter-list"><li class="filter-tile" data-group="A"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>A / 01</span></li><li class="filter-tile" data-group="B"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>B / 02</span></li><li class="filter-tile" data-group="C"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>C / 03</span></li><li class="filter-tile" data-group="A"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>A / 04</span></li><li class="filter-tile" data-group="B"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>B / 05</span></li><li class="filter-tile" data-group="C"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>C / 06</span></li><li class="filter-tile" data-group="A"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>A / 07</span></li><li class="filter-tile" data-group="B"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>B / 08</span></li><li class="filter-tile" data-group="C"><span class="filter-icon"><svg viewBox="0 0 120 120" aria-hidden="true"><path d="m60 7 15 31 34 5-25 24 6 34-30-16-30 16 6-34L11 43l34-5Z" fill="currentColor"/></svg></span><span>C / 09</span></li></ul><p id="empty" hidden>조건에 맞는 항목이 없습니다.</p></div><div class="controls"><button id="filter-0" type="button">전체</button><button id="filter-1" type="button">A</button><button id="filter-2" type="button">B</button><button id="filter-3" type="button">C</button><button id="filter-4" type="button">결과 없음</button><button id="reset" type="button">초기화</button><label><input id="static-mode" type="checkbox">정적 보기</label></div><p class="readout" id="reading" aria-live="off"></p></main>
vendor/gsap-previews/sources/gsap-8794fcb95a60/style.css실행 안내·자료
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vendor/gsap-previews/sources/gsap-8794fcb95a60/script.js실행 안내·자료
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gsap.registerPlugin(Flip);

const q=selector=>document.querySelector(selector),qa=selector=>Array.from(document.querySelectorAll(selector));
const studyAbort=new AbortController(),studyCleanup=[];
const listen=(target,type,handler)=>target.addEventListener(type,handler,{signal:studyAbort.signal});
const preference=matchMedia('(prefers-reduced-motion: reduce)'),staticControl=q('#static-mode');
staticControl.checked=preference.matches;staticControl.disabled=preference.matches;
const isStatic=()=>staticControl.checked||preference.matches;
let applyMode=()=>{};
listen(staticControl,'change',()=>applyMode());
listen(preference,'change',()=>{staticControl.checked=preference.matches;staticControl.disabled=preference.matches;applyMode();});
listen(window,'pagehide',()=>{studyCleanup.forEach(cleanup=>cleanup());studyAbort.abort();});
const reading=text=>q('#reading').textContent=text;

const tiles=qa('.filter-tile'),filters=['all','A','B','C','none'];let selected='all',filterTween=null,filterGeneration=0;
function filterTo(category){if(filterTween){filterTween.progress(1).kill();filterTween=null;}const state=Flip.getState(tiles);selected=category;const token=++filterGeneration;
const visible=tiles.filter(tile=>category==='all'||tile.dataset.group===category);tiles.forEach(tile=>tile.style.display=visible.includes(tile)?'flex':'none');
filters.forEach((value,i)=>q('#filter-'+i).setAttribute('aria-pressed',String(value===category)));q('#empty').hidden=visible.length!==0;reading(visible.length+'개 항목 · 선택 '+(category==='all'?'전체':category==='none'?'없음':category));
if(isStatic()){gsap.set(tiles,{clearProps:'transform,opacity'});return;}
filterTween=Flip.from(state,{duration:.55,ease:'power1.inOut',absolute:true,onEnter:entering=>gsap.fromTo(entering,{opacity:0,scale:.7},{opacity:1,scale:1,duration:.3}),onLeave:leaving=>gsap.to(leaving,{opacity:0,scale:.7,duration:.3}),onComplete:()=>{if(token===filterGeneration)gsap.set(visible,{clearProps:'transform,opacity'});}});}
filters.forEach((value,i)=>listen(q('#filter-'+i),'click',()=>filterTo(value)));listen(q('#reset'),'click',()=>filterTo('all'));applyMode=()=>filterTo(selected);studyCleanup.push(()=>filterTween?.kill());filterTo('all');
LICENSE실행 안내·자료
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Locally authored companion HTML/CSS/control wiring: MIT License.
Copyright (c) 2026 StyleGallery contributors

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

The typed source-inputs.json and study-brief.json preserve official catalog, documentation and original library source pointers. This is independently authored API research, not a recovered CodePen source or documentation snippet. The local MIT notice does not assign new licenses to referenced third-party sources.
GSAP 3.15.0: Copyright 2026, GreenSock. All rights reserved. Subject to https://gsap.com/standard-license. Original library notices are preserved.