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| 1 | +import Controller from './Controller.js'; |
| 2 | +import Dots from './Dots.js'; |
| 3 | +import Slide from './Slide.js'; |
| 4 | + |
| 5 | +export default function App({ $target }) { |
| 6 | + const $container = document.createElement('div'); |
| 7 | + const $slideContainer = document.createElement('div'); |
| 8 | + $container.className = 'container'; |
| 9 | + $slideContainer.className = 'slideContainer'; |
| 10 | + $target.append($container); |
| 11 | + $container.append($slideContainer); |
| 12 | + |
| 13 | + this.state = { |
| 14 | + imgLength: 7, |
| 15 | + slideIndex: 1, |
| 16 | + }; |
| 17 | + |
| 18 | + const { imgLength } = this.state; |
| 19 | + let { slideIndex } = this.state; |
| 20 | + |
| 21 | + for (let i = 1; i <= imgLength; i++) { |
| 22 | + new Slide({ |
| 23 | + $target: $slideContainer, |
| 24 | + initialState: { |
| 25 | + curIndex: i, |
| 26 | + imgLength, |
| 27 | + }, |
| 28 | + }); |
| 29 | + } |
| 30 | + |
| 31 | + new Dots({ $target: $container, initialState: { imgLength } }); |
| 32 | + |
| 33 | + const showSlides = (n) => { |
| 34 | + const slides = document.querySelectorAll('.slide'); |
| 35 | + const dots = document.querySelectorAll('.dot'); |
| 36 | + |
| 37 | + if (n > imgLength) { |
| 38 | + slideIndex = 1; |
| 39 | + } |
| 40 | + if (n < 1) { |
| 41 | + slideIndex = imgLength; |
| 42 | + } |
| 43 | + slides.forEach((slide) => (slide.style.display = 'none')); |
| 44 | + dots.forEach((dot) => (dot.className = dot.className.replace(' active', ''))); |
| 45 | + |
| 46 | + const curSlide = slides[slideIndex - 1]; |
| 47 | + const curdot = dots[slideIndex - 1]; |
| 48 | + curSlide.style.display = 'block'; |
| 49 | + curdot.className += ' active'; |
| 50 | + }; |
| 51 | + |
| 52 | + // slide가 렌더되기 전에 showSlides()가 실행되는 문제가 있어서 |
| 53 | + // wep API를 이용해 slide 렌더 이후에 showSlides()를 처리할 수 있게끔 함 |
| 54 | + setTimeout(() => showSlides(slideIndex), 0); |
| 55 | + |
| 56 | + new Controller({ $target: $slideContainer, onClick: (n) => showSlides((slideIndex += n)) }); |
| 57 | +} |
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