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Added scroll down distance option

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This commit is contained in:
CloudHill 2020-10-20 22:20:55 +07:00
parent 70e6dcf249
commit c87917abba
1 changed files with 40 additions and 0 deletions
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40
mods/scroll-to-top/mod.js
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@ -23,6 +23,12 @@ module.exports = {
type: "toggle",
value: true,
},
{
key: "top",
label: "scroll down distance to show button",
type: "input",
value: 100,
},
],
hacks: {
"renderer/preload.js"(store, __exports) {
@ -53,6 +59,40 @@ module.exports = {
behavior: store().smooth ? 'smooth' : 'auto',
});
})
let queue = [];
const observer = new MutationObserver((list, observer) => {
if (!queue.length) requestAnimationFrame(() => process(queue));
queue.push(...list);
});
observer.observe(document.body, {
childList: true,
subtree: true,
});
function process(list) {
queue = [];
for (let { addedNodes } of list) {
if (
addedNodes[0] && (
addedNodes[0].className === 'notion-page-content' ||
addedNodes[0].className === 'notion-scroller'
)
) {
if (store().top> 0) {
scroll.classList.add('hidden');
document
.querySelector('.notion-frame > .notion-scroller')
.addEventListener('scroll', (event) => {
if (event.target.scrollTop < store().top)
scroll.classList.add('hidden');
else
scroll.classList.remove('hidden');
})
}
}
}
}
}
});
}