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import round from '../../utils/round'; |
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import DEFAULTS from './reveal/defaults'; |
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|
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const { |
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GHOSTKIT: { events, instance }, |
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Motion: { animate, spring, inView }, |
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} = window; |
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|
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const isReducedMotion = window.matchMedia( |
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'(prefers-reduced-motion: reduce)' |
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).matches; |
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|
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/** |
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* Effects Reveal. |
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*/ |
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events.on(document, 'init.blocks.gkt', () => { |
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document |
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.querySelectorAll('[data-gkt-effects]') |
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.forEach(function ($element) { |
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if (isReducedMotion) { |
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$element.removeAttribute('data-gkt-effects'); |
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return; |
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} |
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|
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const dataString = $element.getAttribute('data-gkt-effects'); |
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let data; |
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|
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try { |
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data = JSON.parse(dataString); |
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} catch (e) { |
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data = false; |
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} |
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|
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$element.removeAttribute('data-gkt-effects'); |
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|
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if (!data) { |
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return; |
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} |
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|
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events.trigger($element, 'prepare.effects.gkt', { data }); |
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|
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instance.set($element, 'effects', data); |
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|
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if (!data?.reveal) { |
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return; |
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} |
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|
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const config = { |
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...DEFAULTS, |
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...data.reveal, |
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}; |
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|
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events.trigger($element, 'prepare.effects.reveal.gkt', { config }); |
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|
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const stopInView = inView($element, () => { |
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$element.classList.remove('ghostkit-effects-reveal'); |
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|
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const options = {}; |
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|
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// Easing with Cubic Bezier. |
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if (config?.transition?.type === 'easing') { |
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options.duration = config.transition.duration; |
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options.delay = config.transition.delay; |
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options.easing = config.transition.easing; |
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|
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// Easing with Spring. |
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} else if (config?.transition?.type === 'spring') { |
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options.delay = config.transition.delay; |
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options.easing = spring({ |
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stiffness: config.transition.stiffness, |
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damping: config.transition.damping, |
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mass: config.transition.mass, |
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}); |
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|
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// Fix for Scale and Rotate. |
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// https://github.com/motiondivision/motionone/issues/221 |
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if (config.scale !== 1) { |
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options.scale = { |
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easing: spring({ |
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stiffness: config.transition.stiffness, |
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damping: config.transition.damping, |
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mass: config.transition.mass, |
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restSpeed: 0.01, |
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restDistance: 0.001, |
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}), |
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}; |
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} |
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if (config.rotate !== 0) { |
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options.rotate = { |
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easing: spring({ |
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stiffness: config.transition.stiffness, |
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damping: config.transition.damping, |
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mass: config.transition.mass, |
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restSpeed: 1, |
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restDistance: 0.1, |
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}), |
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}; |
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} |
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} |
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|
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const keyframes = {}; |
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|
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if (config.opacity !== 1) { |
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keyframes.opacity = [config.opacity, 1]; |
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} |
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if (config.x !== 0) { |
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keyframes.x = [config.x, 0]; |
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} |
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if (config.y !== 0) { |
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keyframes.y = [config.y, 0]; |
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} |
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if (config.scale !== 1) { |
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keyframes.scale = [config.scale, 1]; |
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} |
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if (config.rotate !== 0) { |
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keyframes.rotate = [config.rotate, 0]; |
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} |
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|
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const eventData = { |
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config, |
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keyframes, |
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options, |
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stopInView, |
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leaveCallback: () => {}, |
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}; |
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|
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events.trigger($element, 'show.effects.reveal.gkt', eventData); |
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|
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// Stop inView listener. |
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eventData.stopInView(); |
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|
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animate($element, keyframes, options).finished.then(() => { |
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events.trigger( |
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$element, |
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'showed.effects.reveal.gkt', |
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eventData |
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); |
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}); |
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|
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// This will fire when the element leaves the viewport |
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return eventData.leaveCallback; |
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}); |
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|
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events.trigger($element, 'prepared.effects.reveal.gkt', { config }); |
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}); |
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}); |
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|
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/** |
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* Counters (Number Box, Progress Bar). |
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*/ |
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events.on(document, 'init.blocks.gkt', () => { |
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document |
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.querySelectorAll('.ghostkit-count-up:not(.ghostkit-count-up-ready)') |
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.forEach(($counter) => { |
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$counter.classList.add('ghostkit-count-up-ready'); |
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|
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if (isReducedMotion) { |
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return; |
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} |
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|
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const isProgress = $counter.classList.contains( |
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'ghostkit-progress-bar' |
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); |
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const from = |
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parseFloat($counter.getAttribute('data-count-from')) || 0; |
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const to = |
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parseFloat( |
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isProgress |
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? $counter.getAttribute('aria-valuenow') |
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: $counter.textContent |
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) || 0; |
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let $progressCountBadgeWrap; |
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let $progressCountBadge; |
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let digits = 0; |
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|
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// prepare mask. |
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let mask = ''; |
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if (!isProgress) { |
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mask = $counter.textContent.replace(to, '${val}'); |
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} |
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if (!/\${val}/.test(mask)) { |
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mask = '${val}'; |
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} |
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|
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if (isProgress) { |
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$progressCountBadgeWrap = $counter |
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.closest('.ghostkit-progress') |
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.querySelector('.ghostkit-progress-bar-count'); |
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|
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if ($progressCountBadgeWrap) { |
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$progressCountBadge = $progressCountBadgeWrap.querySelector( |
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':scope > div > span:nth-child(2)' |
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); |
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|
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$progressCountBadgeWrap.style.width = '0%'; |
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$progressCountBadge.textContent = '0'; |
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} |
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|
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$counter.style.width = '0%'; |
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} else { |
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$counter.textContent = mask.replace('${val}', from); |
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|
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// Calculate digits after the decimal point. |
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digits = Math.max( |
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(`${from}`.split('.')?.[1] || '').length, |
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(`${to}`.split('.')?.[1] || '').length |
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); |
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} |
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|
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const config = { |
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from, |
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to, |
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duration: 0.8, |
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easing: [0.6, 0, 0.3, 1], |
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cb(progress) { |
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const position = (to - from) * progress + from; |
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|
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if (isProgress) { |
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if ($progressCountBadge) { |
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$progressCountBadge.textContent = |
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Math.ceil(position); |
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} |
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} else { |
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$counter.textContent = mask.replace( |
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'${val}', |
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round(position, digits) |
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); |
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} |
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}, |
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}; |
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|
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events.trigger($counter, 'prepare.counter.gkt', { config }); |
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|
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// Animate counter. |
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const stopInView = inView( |
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$counter, |
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() => { |
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stopInView(); |
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|
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events.trigger($counter, 'count.counter.gkt', { config }); |
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|
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if (isProgress) { |
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[$counter, $progressCountBadgeWrap].forEach((el) => { |
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if (el) { |
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animate( |
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el, |
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{ |
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width: `${to}%`, |
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}, |
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{ |
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duration: config.duration, |
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easing: config.easing, |
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} |
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); |
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} |
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}); |
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} |
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|
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animate( |
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(progress) => { |
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config.cb(progress); |
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}, |
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{ |
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duration: config.duration, |
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easing: config.easing, |
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} |
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).finished.then(() => { |
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events.trigger($counter, 'counted.counter.gkt', { |
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config, |
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}); |
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}); |
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}, |
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{ margin: '-50px' } |
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); |
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}); |
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}); |
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|
