29 lines
631 B
JavaScript
29 lines
631 B
JavaScript
export function uPlotTooltipPlugin (onHover) {
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let element
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return {
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hooks: {
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init: u => {
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element = u.root.querySelector('.over')
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element.onmouseenter = () => onHover()
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element.onmouseleave = () => onHover()
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},
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setCursor: u => {
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const { left, top, idx } = u.cursor
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if (idx === null) {
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onHover()
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} else {
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const bounds = element.getBoundingClientRect()
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onHover({
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left: bounds.left + left + window.pageXOffset,
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top: bounds.top + top + window.pageYOffset
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}, idx)
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}
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}
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}
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}
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}
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