roadmap/quartz/components/scripts/callout.inline.ts

45 lines
1.4 KiB
TypeScript
Raw Normal View History

2023-06-17 20:08:06 +00:00
function toggleCallout(this: HTMLElement) {
const outerBlock = this.parentElement!
2023-07-05 01:26:11 +00:00
outerBlock.classList.toggle(`is-collapsed`)
const collapsed = outerBlock.classList.contains(`is-collapsed`)
2023-06-17 20:08:06 +00:00
const height = collapsed ? this.scrollHeight : outerBlock.scrollHeight
outerBlock.style.maxHeight = height + `px`
2023-08-12 17:33:57 +00:00
// walk and adjust height of all parents
let current = outerBlock
let parent = outerBlock.parentElement
while (parent) {
if (!parent.classList.contains(`callout`)) {
return
}
const collapsed = parent.classList.contains(`is-collapsed`)
const height = collapsed ? parent.scrollHeight : parent.scrollHeight + current.scrollHeight
parent.style.maxHeight = height + `px`
current = parent
parent = parent.parentElement
}
2023-06-17 20:08:06 +00:00
}
2023-06-17 21:36:06 +00:00
function setupCallout() {
2023-07-23 00:27:41 +00:00
const collapsible = document.getElementsByClassName(
`callout is-collapsible`,
) as HTMLCollectionOf<HTMLElement>
2023-06-17 20:08:06 +00:00
for (const div of collapsible) {
const title = div.firstElementChild
2023-06-17 21:36:06 +00:00
if (title) {
title.removeEventListener(`click`, toggleCallout)
title.addEventListener(`click`, toggleCallout)
const collapsed = div.classList.contains(`is-collapsed`)
const height = collapsed ? title.scrollHeight : div.scrollHeight
div.style.maxHeight = height + `px`
}
2023-06-17 20:08:06 +00:00
}
2023-06-17 21:36:06 +00:00
}
document.addEventListener(`nav`, setupCallout)
window.addEventListener(`resize`, setupCallout)