mirror of https://github.com/sveltejs/svelte
30 lines
681 B
30 lines
681 B
<script>
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function tooltip(node, text) {
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let tooltip = null;
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function onMouseEnter() {
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tooltip = document.createElement('div');
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tooltip.classList.add('tooltip');
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tooltip.textContent = text;
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node.parentNode.appendChild(tooltip);
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}
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function onMouseLeave() {
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if (!tooltip) return;
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tooltip.remove();
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tooltip = null;
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}
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node.addEventListener('mouseenter', onMouseEnter);
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node.addEventListener('mouseleave', onMouseLeave);
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return {
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destroy() {
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node.removeEventListener('mouseenter', onMouseEnter);
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node.removeEventListener('mouseleave', onMouseLeave);
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}
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}
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}
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</script>
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<button use:tooltip="{'Perform an Action'}">action</button> |