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| // ══════════════════════════════════════════════════════════════════════════════ | |
| // Chahua Markdown Presenter - Slide Renderer | |
| // Render parsed slides as HTML presentation | |
| // ══════════════════════════════════════════════════════════════════════════════ | |
| // Company: Chahua Development Co., Ltd. | |
| // Version: 2.0.0 | |
| // License: MIT | |
| // ══════════════════════════════════════════════════════════════════════════════ | |
| export class SlideRenderer { | |
| constructor(container, options = {}) { | |
| this.container = container; | |
| this.options = { | |
| transition: options.transition || 'fade', // fade, slide, zoom | |
| transitionDuration: options.transitionDuration || 600, | |
| autoAnimate: options.autoAnimate !== false, | |
| ...options | |
| }; | |
| this.slides = []; | |
| this.currentIndex = 0; | |
| this.isAnimating = false; | |
| } | |
| /** | |
| * Load slides into renderer | |
| */ | |
| loadSlides(slides) { | |
| this.slides = slides; | |
| this.currentIndex = 0; | |
| this.renderAllSlides(); | |
| } | |
| /** | |
| * Render all slides as HTML | |
| */ | |
| renderAllSlides() { | |
| this.container.innerHTML = ''; | |
| this.slides.forEach((slide, index) => { | |
| const slideElement = this.createSlideElement(slide, index); | |
| this.container.appendChild(slideElement); | |
| }); | |
| // Show first slide | |
| if (this.slides.length > 0) { | |
| this.showSlide(0); | |
| } | |
| } | |
| /** | |
| * Create HTML element for a slide | |
| */ | |
| createSlideElement(slide, index) { | |
| const slideDiv = document.createElement('div'); | |
| slideDiv.className = 'slide'; | |
| slideDiv.dataset.index = index; | |
| slideDiv.style.display = 'none'; | |
| // Create slide content container | |
| const contentDiv = document.createElement('div'); | |
| contentDiv.className = 'slide-content'; | |
| // Render each content item | |
| slide.content.forEach((item, itemIndex) => { | |
| const element = this.renderContentItem(item, itemIndex); | |
| if (element) { | |
| contentDiv.appendChild(element); | |
| } | |
| }); | |
| slideDiv.appendChild(contentDiv); | |
| // Add slide number | |
| const slideNumber = document.createElement('div'); | |
| slideNumber.className = 'slide-number'; | |
| slideNumber.textContent = `${index + 1} / ${this.slides.length}`; | |
| slideDiv.appendChild(slideNumber); | |
| return slideDiv; | |
| } | |
| /** | |
| * Render individual content item | |
| */ | |
| renderContentItem(item, index) { | |
| const element = document.createElement('div'); | |
| element.className = `content-item content-${item.type}`; | |
| if (this.options.autoAnimate) { | |
| element.style.opacity = '0'; | |
| element.style.transform = 'translateY(20px)'; | |
| element.dataset.animationDelay = index * 150; | |
| } | |
| switch (item.type) { | |
| case 'h1': | |
| element.innerHTML = `<h1>${this.parseInline(item.content)}</h1>`; | |
| break; | |
| case 'h2': | |
| element.innerHTML = `<h2>${this.parseInline(item.content)}</h2>`; | |
| break; | |
| case 'h3': | |
| element.innerHTML = `<h3>${this.parseInline(item.content)}</h3>`; | |
| break; | |
| case 'h4': | |
| element.innerHTML = `<h4>${this.parseInline(item.content)}</h4>`; | |
| break; | |
| case 'text': | |
| element.innerHTML = `<p>${this.parseInline(item.content)}</p>`; | |
| break; | |
| case 'list-item': | |
| const li = document.createElement('li'); | |
| li.innerHTML = this.parseInline(item.content); | |
| const ul = document.createElement('ul'); | |
| ul.appendChild(li); | |
| element.appendChild(ul); | |
| break; | |
| case 'numbered-item': | |
| const nli = document.createElement('li'); | |
| nli.innerHTML = this.parseInline(item.content); | |
| const ol = document.createElement('ol'); | |
| ol.appendChild(nli); | |
| element.appendChild(ol); | |
| break; | |
| case 'code': | |
| const pre = document.createElement('pre'); | |
| const code = document.createElement('code'); | |
| code.className = `language-${item.language}`; | |
| code.textContent = item.content; | |
| pre.appendChild(code); | |
| element.appendChild(pre); | |
| break; | |
| case 'blockquote': | |
| element.innerHTML = `<blockquote>${this.parseInline(item.content)}</blockquote>`; | |
| break; | |
| case 'image': | |
| element.innerHTML = `<img src="${item.src}" alt="${item.alt || ''}" />`; | |
| break; | |
| case 'link': | |
| element.innerHTML = `<a href="${item.url}" target="_blank">${item.text}</a>`; | |
| break; | |
| default: | |
| return null; | |
| } | |
| return element; | |
| } | |
| /** | |
| * Parse inline markdown | |
| */ | |
| parseInline(text) { | |
| if (!text) return ''; | |
| // Bold | |
| text = text.replace(/\*\*([^*]+)\*\*/g, '<strong>$1</strong>'); | |
| text = text.replace(/__([^_]+)__/g, '<strong>$1</strong>'); | |
| // Italic | |
| text = text.replace(/\*([^*]+)\*/g, '<em>$1</em>'); | |
| text = text.replace(/_([^_]+)_/g, '<em>$1</em>'); | |
| // Inline code | |
| text = text.replace(/`([^`]+)`/g, '<code>$1</code>'); | |
| return text; | |
| } | |
| /** | |
| * Show specific slide | |
| */ | |
| async showSlide(index, direction = 'next') { | |
| if (this.isAnimating || index < 0 || index >= this.slides.length) { | |
| return; | |
| } | |
| this.isAnimating = true; | |
| const currentSlide = this.container.querySelector(`[data-index="${this.currentIndex}"]`); | |
| const nextSlide = this.container.querySelector(`[data-index="${index}"]`); | |
| if (!nextSlide) { | |
| this.isAnimating = false; | |
| return; | |
| } | |
| // Apply transition | |
| await this.applyTransition(currentSlide, nextSlide, direction); | |
| this.currentIndex = index; | |
| this.isAnimating = false; | |
| // Animate content items | |
| if (this.options.autoAnimate) { | |
| this.animateSlideContent(nextSlide); | |
| } | |
| } | |
| /** | |
| * Apply transition between slides | |
| */ | |
| async applyTransition(currentSlide, nextSlide, direction) { | |
| const duration = this.options.transitionDuration; | |
| switch (this.options.transition) { | |
| case 'fade': | |
| await this.fadeTransition(currentSlide, nextSlide, duration); | |
| break; | |
| case 'slide': | |
| await this.slideTransition(currentSlide, nextSlide, direction, duration); | |
| break; | |
| case 'zoom': | |
| await this.zoomTransition(currentSlide, nextSlide, duration); | |
| break; | |
| case 'glitch': | |
| await this.glitchTransition(currentSlide, nextSlide, duration); | |
| break; | |
| case 'matrix': | |
| await this.matrixTransition(currentSlide, nextSlide, duration); | |
| break; | |
| case 'cube': | |
| await this.cubeTransition(currentSlide, nextSlide, direction, duration); | |
| break; | |
| case 'pixelate': | |
| await this.pixelateTransition(currentSlide, nextSlide, duration); | |
| break; | |
| default: | |
| // Instant transition | |
| if (currentSlide) currentSlide.style.display = 'none'; | |
| nextSlide.style.display = 'flex'; | |
| } | |
| } | |
| /** | |
| * Fade transition | |
| */ | |
| async fadeTransition(currentSlide, nextSlide, duration) { | |
| nextSlide.style.display = 'flex'; | |
| nextSlide.style.opacity = '0'; | |
| await this.wait(50); | |
| if (currentSlide) { | |
| currentSlide.style.transition = `opacity ${duration}ms ease`; | |
| currentSlide.style.opacity = '0'; | |
| } | |
| nextSlide.style.transition = `opacity ${duration}ms ease`; | |
| nextSlide.style.opacity = '1'; | |
| await this.wait(duration); | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| currentSlide.style.opacity = '1'; | |
| } | |
| } | |
| /** | |
| * Slide transition | |
| */ | |
| async slideTransition(currentSlide, nextSlide, direction, duration) { | |
| const offset = direction === 'next' ? '100%' : '-100%'; | |
| nextSlide.style.display = 'flex'; | |
| nextSlide.style.transform = `translateX(${offset})`; | |
| await this.wait(50); | |
| if (currentSlide) { | |
| currentSlide.style.transition = `transform ${duration}ms ease`; | |
| currentSlide.style.transform = `translateX(${direction === 'next' ? '-100%' : '100%'})`; | |
| } | |
| nextSlide.style.transition = `transform ${duration}ms ease`; | |
| nextSlide.style.transform = 'translateX(0)'; | |
| await this.wait(duration); | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| currentSlide.style.transform = 'translateX(0)'; | |
| } | |
| } | |
| /** | |
| * Zoom transition | |
| */ | |
| async zoomTransition(currentSlide, nextSlide, duration) { | |
| nextSlide.style.display = 'flex'; | |
| nextSlide.style.transform = 'scale(0.8)'; | |
| nextSlide.style.opacity = '0'; | |
| await this.wait(50); | |
| if (currentSlide) { | |
| currentSlide.style.transition = `all ${duration}ms ease`; | |
| currentSlide.style.transform = 'scale(1.2)'; | |
| currentSlide.style.opacity = '0'; | |
| } | |
| nextSlide.style.transition = `all ${duration}ms ease`; | |
| nextSlide.style.transform = 'scale(1)'; | |
| nextSlide.style.opacity = '1'; | |
| await this.wait(duration); | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| currentSlide.style.transform = 'scale(1)'; | |
| currentSlide.style.opacity = '1'; | |
| } | |
| } | |
| /** | |
| * Animate slide content items | |
| */ | |
| animateSlideContent(slideElement) { | |
| const items = slideElement.querySelectorAll('.content-item'); | |
| items.forEach((item, index) => { | |
| const delay = parseInt(item.dataset.animationDelay) || 0; | |
| setTimeout(() => { | |
| item.style.transition = 'all 400ms ease'; | |
| item.style.opacity = '1'; | |
| item.style.transform = 'translateY(0)'; | |
| }, delay); | |
| }); | |
| } | |
| /** | |
| * Navigate to next slide | |
| */ | |
| async next() { | |
| if (this.currentIndex < this.slides.length - 1) { | |
| await this.showSlide(this.currentIndex + 1, 'next'); | |
| } | |
| } | |
| /** | |
| * Navigate to previous slide | |
| */ | |
| async previous() { | |
| if (this.currentIndex > 0) { | |
| await this.showSlide(this.currentIndex - 1, 'prev'); | |
| } | |
| } | |
| /** | |
| * Go to first slide | |
| */ | |
| async goToFirst() { | |
| await this.showSlide(0, 'next'); | |
| } | |
| /** | |
| * Go to last slide | |
| */ | |
| async goToLast() { | |
| await this.showSlide(this.slides.length - 1, 'prev'); | |
| } | |
| /** | |
| * Glitch transition - Digital glitch effect | |
| */ | |
| async glitchTransition(currentSlide, nextSlide, duration) { | |
| nextSlide.style.display = 'flex'; | |
| nextSlide.style.opacity = '0'; | |
| const glitchSteps = 8; | |
| const stepDuration = duration / glitchSteps; | |
| for (let i = 0; i < glitchSteps; i++) { | |
| const offset = Math.random() * 20 - 10; | |
| const opacity = i / glitchSteps; | |
| if (currentSlide) { | |
| currentSlide.style.transform = `translateX(${offset}px)`; | |
| currentSlide.style.opacity = String(1 - opacity); | |
| currentSlide.style.filter = `hue-rotate(${Math.random() * 360}deg)`; | |
| } | |
| nextSlide.style.transform = `translateX(${-offset}px)`; | |
| nextSlide.style.opacity = String(opacity); | |
| nextSlide.style.filter = `hue-rotate(${Math.random() * 360}deg)`; | |
| await this.wait(stepDuration); | |
| } | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| currentSlide.style.transform = ''; | |
| currentSlide.style.filter = ''; | |
| } | |
| nextSlide.style.transform = ''; | |
| nextSlide.style.filter = ''; | |
| nextSlide.style.opacity = '1'; | |
| } | |
| /** | |
| * Matrix transition - Digital rain effect simulation | |
| */ | |
| async matrixTransition(currentSlide, nextSlide, duration) { | |
| nextSlide.style.display = 'flex'; | |
| // Create matrix overlay | |
| const matrix = document.createElement('div'); | |
| matrix.style.position = 'absolute'; | |
| matrix.style.inset = '0'; | |
| matrix.style.background = 'linear-gradient(0deg, transparent 0%, rgba(0, 255, 0, 0.8) 50%, transparent 100%)'; | |
| matrix.style.backgroundSize = '100% 200%'; | |
| matrix.style.animation = `matrixScroll ${duration}ms linear`; | |
| matrix.style.zIndex = '1000'; | |
| matrix.style.pointerEvents = 'none'; | |
| this.container.appendChild(matrix); | |
| // Fade out current, fade in next | |
| if (currentSlide) { | |
| currentSlide.style.transition = `opacity ${duration * 0.7}ms ease`; | |
| currentSlide.style.opacity = '0'; | |
| } | |
| await this.wait(duration * 0.3); | |
| nextSlide.style.opacity = '0'; | |
| nextSlide.style.transition = `opacity ${duration * 0.7}ms ease`; | |
| nextSlide.style.opacity = '1'; | |
| await this.wait(duration * 0.7); | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| currentSlide.style.opacity = '1'; | |
| } | |
| matrix.remove(); | |
| } | |
| /** | |
| * Cube transition - 3D cube rotation | |
| */ | |
| async cubeTransition(currentSlide, nextSlide, direction, duration) { | |
| const perspective = '1200px'; | |
| const rotateY = direction === 'next' ? '-90deg' : '90deg'; | |
| this.container.style.perspective = perspective; | |
| this.container.style.perspectiveOrigin = 'center center'; | |
| nextSlide.style.display = 'flex'; | |
| nextSlide.style.transform = `rotateY(${direction === 'next' ? '90deg' : '-90deg'})`; | |
| nextSlide.style.transformOrigin = direction === 'next' ? 'right center' : 'left center'; | |
| if (currentSlide) { | |
| currentSlide.style.transformOrigin = direction === 'next' ? 'left center' : 'right center'; | |
| } | |
| await this.wait(50); | |
| if (currentSlide) { | |
| currentSlide.style.transition = `transform ${duration}ms cubic-bezier(0.645, 0.045, 0.355, 1)`; | |
| currentSlide.style.transform = `rotateY(${rotateY})`; | |
| } | |
| nextSlide.style.transition = `transform ${duration}ms cubic-bezier(0.645, 0.045, 0.355, 1)`; | |
| nextSlide.style.transform = 'rotateY(0deg)'; | |
| await this.wait(duration); | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| currentSlide.style.transform = ''; | |
| } | |
| nextSlide.style.transform = ''; | |
| this.container.style.perspective = ''; | |
| } | |
| /** | |
| * Pixelate transition - Pixelation effect | |
| */ | |
| async pixelateTransition(currentSlide, nextSlide, duration) { | |
| nextSlide.style.display = 'flex'; | |
| nextSlide.style.opacity = '0'; | |
| const steps = 10; | |
| const stepDuration = duration / steps; | |
| // Pixelate out | |
| for (let i = 0; i <= steps / 2; i++) { | |
| const pixelSize = i * 2; | |
| if (currentSlide) { | |
| currentSlide.style.filter = `blur(${pixelSize}px)`; | |
| currentSlide.style.opacity = String(1 - (i / (steps / 2))); | |
| } | |
| await this.wait(stepDuration); | |
| } | |
| if (currentSlide) { | |
| currentSlide.style.display = 'none'; | |
| } | |
| // Pixelate in | |
| for (let i = steps / 2; i >= 0; i--) { | |
| const pixelSize = i * 2; | |
| nextSlide.style.filter = `blur(${pixelSize}px)`; | |
| nextSlide.style.opacity = String(1 - (i / (steps / 2))); | |
| await this.wait(stepDuration); | |
| } | |
| if (currentSlide) { | |
| currentSlide.style.filter = ''; | |
| currentSlide.style.opacity = '1'; | |
| } | |
| nextSlide.style.filter = ''; | |
| nextSlide.style.opacity = '1'; | |
| } | |
| /** | |
| * Utility: wait for milliseconds | |
| */ | |
| wait(ms) { | |
| return new Promise(resolve => setTimeout(resolve, ms)); | |
| } | |
| /** | |
| * Get current slide info | |
| */ | |
| getCurrentSlide() { | |
| return this.slides[this.currentIndex]; | |
| } | |
| /** | |
| * Get slide count | |
| */ | |
| getSlideCount() { | |
| return this.slides.length; | |
| } | |
| } | |
| // Export helper function | |
| export function createSlideRenderer(container, options = {}) { | |
| return new SlideRenderer(container, options); | |
| } | |