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Update index.js
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215
index.js
215
index.js
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if(window.__tinyRippleInit) throw new Error('tiny-ripple already initialized') window.__tinyRippleInit = true var __tr_style = document.createElement('style') __tr_style.textContent = ".r{position:fixed;border-radius:50%;pointer-events:none;background:transparent;box-shadow:0 8px 18px rgba(0,0,0,0.14);transform:translate(-50%,-50%) scale(.15);opacity:1;transition:transform .42s cubic-bezier(.2,.8,.2,1),opacity .42s linear,box-shadow .42s linear;z-index:9999999}.r.a{transform:translate(-50%,-50%) scale(1);opacity:0;box-shadow:0 0 0 rgba(0,0,0,0)}" document.head.appendChild(__tr_style) var __tr_dur = 420 function __tr_make(x,y){var dx=Math.max(x,innerWidth-x),dy=Math.max(y,innerHeight-y),r=Math.hypot(dx,dy),s=Math.max(48,Math.ceil(r*2));var e=document.createElement('div');e.className='r';e.style.width=e.style.height=s+'px';e.style.left=x+'px';e.style.top=y+'px';document.body.appendChild(e);void e.offsetWidth;e.classList.add('a');setTimeout(function(){if(e.parentNode) e.parentNode.removeChild(e)},__tr_dur+60)} var __tr_h = function(ev){var x=('clientX' in ev && ev.clientX!=null)?ev.clientX:(ev.touches&&ev.touches[0]&&ev.touches[0].clientX)||0;var y=('clientY' in ev && ev.clientY!=null)?ev.clientY:(ev.touches&&ev.touches[0]&&ev.touches[0].clientY)||0;__tr_make(x,y)} if(window.PointerEvent) addEventListener('pointerdown',__tr_h,{passive:true}); else{addEventListener('touchstart',__tr_h,{passive:true});addEventListener('mousedown',__tr_h,{passive:true})} window.tinyRipple={disable:function(){if(window.PointerEvent) removeEventListener('pointerdown',__tr_h);else{removeEventListener('touchstart',__tr_h);removeEventListener('mousedown',__tr_h)}if(__tr_style.parentNode) __tr_style.parentNode.removeChild(__tr_style);window.__tinyRippleInit=false}}
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/*!
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* tiny-ripple v0.1.0
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* A lightweight library that adds subtle ripple effects on touch/click interactions
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* https://github.com/yourusername/tiny-ripple
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*
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* Copyright (c) 2025
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* Licensed under MIT
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*/
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(function() {
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'use strict';
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const defaultOptions = {
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size: 60,
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duration: 500,
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color: 'rgba(0,0,0,0.3)',
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zIndex: 9999,
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debounceDelay: 100
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};
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let isInitialized = false;
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let lastRippleTime = 0;
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let touchStartY = null;
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let touchStartTime = null;
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/**
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* Create a ripple effect at specified coordinates
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* @param {number} x - X coordinate
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* @param {number} y - Y coordinate
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* @param {Object} options - Custom options
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*/
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function createRipple(x, y, options = {}) {
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const opts = { ...defaultOptions, ...options };
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const ripple = document.createElement('div');
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ripple.setAttribute('data-tiny-ripple', '');
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// Set position and initial size
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const size = opts.size;
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ripple.style.cssText = `
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position: fixed;
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left: ${x - size/2}px;
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top: ${y - size/2}px;
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width: ${size}px;
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height: ${size}px;
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border-radius: 50%;
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pointer-events: none;
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z-index: ${opts.zIndex};
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background: radial-gradient(circle, ${opts.color} 0%, ${opts.color.replace('0.3', '0.05')} 70%, transparent 100%);
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animation: tiny-ripple-animation ${opts.duration}ms cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
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mix-blend-mode: multiply;
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`;
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document.body.appendChild(ripple);
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// Remove the ripple after animation
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setTimeout(() => {
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if (ripple.parentNode) {
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ripple.parentNode.removeChild(ripple);
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}
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}, opts.duration);
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}
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/**
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* Handle touch start to track potential scrolling
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*/
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function handleTouchStart(e) {
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if (e.touches.length === 1) {
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touchStartY = e.touches[0].clientY;
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touchStartTime = Date.now();
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}
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}
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/**
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* Handle touch move to detect if user is scrolling
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*/
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function handleTouchMove(e) {
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if (touchStartY !== null && e.touches.length === 1) {
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const currentY = e.touches[0].clientY;
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const deltaY = Math.abs(currentY - touchStartY);
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const deltaTime = Date.now() - touchStartTime;
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// If moved more than 10px vertically in less than 300ms, it's likely scrolling
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if (deltaY > 10 && deltaTime < 300) {
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touchStartY = null; // Mark as scrolling gesture
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}
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}
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}
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/**
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* Handle touch end - create ripple if it wasn't a scroll gesture
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*/
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function handleTouchEnd(e) {
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// Only create ripple if touchStartY is still set (meaning no scroll detected)
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if (touchStartY !== null && e.changedTouches.length === 1) {
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const now = Date.now();
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// Debounce check
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if (now - lastRippleTime >= defaultOptions.debounceDelay) {
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lastRippleTime = now;
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const touch = e.changedTouches[0];
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createRipple(touch.clientX, touch.clientY);
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}
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}
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// Reset tracking
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touchStartY = null;
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touchStartTime = null;
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}
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/**
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* Handle mouse events (desktop)
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*/
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function handleMouseDown(e) {
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const now = Date.now();
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// Debounce check
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if (now - lastRippleTime < defaultOptions.debounceDelay) {
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return;
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}
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lastRippleTime = now;
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createRipple(e.clientX, e.clientY);
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}
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/**
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* Add required CSS keyframes
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*/
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function addCSS() {
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if (document.querySelector('#tiny-ripple-styles')) return;
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const style = document.createElement('style');
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style.id = 'tiny-ripple-styles';
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style.textContent = `
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@keyframes tiny-ripple-animation {
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0% {
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transform: scale(0);
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opacity: 1;
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}
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100% {
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transform: scale(4);
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opacity: 0;
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}
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}
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`;
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document.head.appendChild(style);
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}
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/**
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* Initialize the ripple effect library
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*/
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function init(options = {}) {
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if (isInitialized) return;
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// Merge custom options
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Object.assign(defaultOptions, options);
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// Add CSS
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addCSS();
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// Add event listeners
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document.addEventListener('touchstart', handleTouchStart, { passive: true });
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document.addEventListener('touchmove', handleTouchMove, { passive: true });
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document.addEventListener('touchend', handleTouchEnd, { passive: true });
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document.addEventListener('mousedown', handleMouseDown, { passive: true });
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isInitialized = true;
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}
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/**
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* Destroy the ripple effect (remove event listeners and styles)
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*/
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function destroy() {
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if (!isInitialized) return;
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document.removeEventListener('touchstart', handleTouchStart);
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document.removeEventListener('touchmove', handleTouchMove);
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document.removeEventListener('touchend', handleTouchEnd);
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document.removeEventListener('mousedown', handleMouseDown);
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// Remove existing ripples
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const ripples = document.querySelectorAll('[data-tiny-ripple]');
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ripples.forEach(ripple => ripple.remove());
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// Remove styles
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const styles = document.querySelector('#tiny-ripple-styles');
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if (styles) styles.remove();
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isInitialized = false;
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}
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/**
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* Auto-initialize when DOM is ready
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*/
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function autoInit() {
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', init);
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} else {
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init();
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}
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}
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// Public API
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window.TinyRipple = {
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init,
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destroy,
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createRipple,
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isInitialized: () => isInitialized,
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version: '0.1.0'
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};
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// Auto-initialize immediately
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autoInit();
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})();
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