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/** |
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* Block Lottie |
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*/ |
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const { |
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GHOSTKIT: { events }, |
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Motion: { inView, scroll }, |
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} = window; |
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|
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// Click trigger. |
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events.on( |
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document, |
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'click', |
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'.ghostkit-lottie[data-trigger="click"] > lottie-player', |
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(e) => { |
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if (e.delegateTarget?.play) { |
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e.delegateTarget.play(); |
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} |
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} |
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); |
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|
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// In Viewport trigger. |
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inView('.ghostkit-lottie[data-trigger="viewport"] > lottie-player', (info) => { |
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if (info?.target?.play) { |
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info.target.play(); |
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} |
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|
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return (leaveInfo) => { |
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if (leaveInfo?.target?.pause) { |
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leaveInfo.target.pause(); |
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} |
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}; |
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}); |
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|
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// Scroll trigger. |
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events.on(document, 'init.blocks.gkt', () => { |
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document |
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.querySelectorAll( |
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'.ghostkit-lottie[data-trigger="scroll"]:not(.ghostkit-lottie-ready)' |
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) |
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.forEach(($this) => { |
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const lottieEl = $this.querySelector('lottie-player'); |
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const reverse = lottieEl.getAttribute('direction') === '-1'; |
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|
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$this.classList.add('ghostkit-lottie-ready'); |
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|
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scroll( |
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({ y }) => { |
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if (lottieEl?._lottie) { |
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const { progress } = y; |
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const { totalFrames, goToAndStop } = lottieEl._lottie; |
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let newFrame = Math.round(progress * totalFrames); |
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|
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if (reverse) { |
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newFrame = totalFrames - newFrame; |
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} |
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|
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// Check if the current frame is the last frame. If it's the last frame, do nothing. This prevents showing the empty frame at the end. Thanks Pauline for pointing out. |
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if (newFrame < totalFrames) { |
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goToAndStop.call(lottieEl._lottie, newFrame, true); |
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} |
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} |
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}, |
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{ |
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target: lottieEl, |
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offset: ['start end', 'end start'], |
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} |
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); |
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}); |
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}); |
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|
