27 lines
944 B
TypeScript
27 lines
944 B
TypeScript
function toggleCallout(this: HTMLElement) {
|
|
const outerBlock = this.parentElement!
|
|
outerBlock.classList.toggle(`is-collapsed`)
|
|
const collapsed = outerBlock.classList.contains(`is-collapsed`)
|
|
const height = collapsed ? this.scrollHeight : outerBlock.scrollHeight
|
|
outerBlock.style.maxHeight = height + `px`
|
|
}
|
|
|
|
function setupCallout() {
|
|
const collapsible = document.getElementsByClassName(`callout is-collapsible`) as HTMLCollectionOf<HTMLElement>
|
|
for (const div of collapsible) {
|
|
const title = div.firstElementChild
|
|
|
|
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`
|
|
}
|
|
}
|
|
}
|
|
|
|
document.addEventListener(`nav`, setupCallout)
|
|
window.addEventListener(`resize`, setupCallout)
|