pinafore/src/routes/_utils/events.js

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2018-02-09 06:29:29 +00:00
export function mouseover (node, callback) {
function onMouseEnter () {
callback(true) // eslint-disable-line
}
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function onMouseLeave () {
callback(false) // eslint-disable-line
}
node.addEventListener('mouseenter', onMouseEnter)
node.addEventListener('mouseleave', onMouseLeave)
return {
destroy () {
node.removeEventListener('mouseenter', onMouseEnter)
node.removeEventListener('mouseleave', onMouseLeave)
}
}
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}
export function focusWithCapture (node, callback) {
node.addEventListener('focus', callback, true)
return {
destroy () {
node.removeEventListener('focus', callback, true)
}
}
}
export function blurWithCapture (node, callback) {
node.addEventListener('blur', callback, true)
return {
destroy () {
node.removeEventListener('blur', callback, true)
}
}
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}
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export function selectionChange (node, callback) {
let events = ['keyup', 'click', 'focus', 'blur']
let listener = () => {
callback(node.selectionStart)
}
for (let event of events) {
node.addEventListener(event, listener)
}
return {
destroy () {
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for (let event of events) {
node.removeEventListener(event, listener)
}
}
}
}