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Toggling external content #68

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Toggling external content #68

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16 changes: 16 additions & 0 deletions data/js/tabs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,23 @@
var config = (document.currentScript || {}).dataset || {}
var forEach = Array.prototype.forEach

document.addEventListener('asciidoctor-tabs:toggle', function (event) {
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@mojavelinux WDYT about staying this small function here? I know, you said this is not within the scope of this project. And we can move it to our UI bundle. But it looks pretty safety and can be useful for many people.

const groupId = event.detail.syncGroupId.replace(/\W/g, '-').toLowerCase()
const id = event.detail.syncId.replace(/\W/g, '-').toLowerCase()
document.querySelectorAll('[class^="' + groupId + '"]').forEach(function (el) {
const hide = !el.classList.contains(groupId + '-' + id)
el.classList[(el.hidden = hide) ? 'add' : 'remove']('is-hidden')
})
})

init(document.querySelectorAll('.tabs'))

function init (tabsBlocks) {
if (!tabsBlocks.length) return
forEach.call(tabsBlocks, function (tabs) {
var syncIds = tabs.classList.contains('is-sync') ? {} : undefined
var tablist = tabs.querySelector('.tablist ul')
if (!tablist) return
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Just The Boy Scout Rule. Fixed an exception that is thrown when I had a [.tags] paragraph on my page.

tablist.setAttribute('role', 'tablist')
var start
forEach.call(tablist.querySelectorAll('li'), function (tab, idx) {
Expand Down Expand Up @@ -49,6 +59,9 @@
var tab = preferredSyncId && syncIds[preferredSyncId]
tab && Object.assign(start, { tab: tab, panel: document.getElementById(tab.getAttribute('aria-controls')) })
toggleSelected(start.tab, true) || toggleHidden(start.panel, false)
document.dispatchEvent(new CustomEvent('asciidoctor-tabs:toggle', {
detail: { syncGroupId: tabs.dataset.syncGroupId, syncId: start.tab.dataset.syncId }
}))
}
})
onHashChange()
Expand Down Expand Up @@ -91,6 +104,9 @@
})
var shiftedBy = thisTabs.getBoundingClientRect().y - initialY
if (shiftedBy && (shiftedBy = Math.round(shiftedBy))) window.scrollBy({ top: shiftedBy, behavior: 'instant' })
document.dispatchEvent(new CustomEvent('asciidoctor-tabs:toggle', {
detail: { syncGroupId: thisTabs.dataset.syncGroupId, syncId: thisTab.dataset.syncId }
}))
}

function querySelectorWithSiblings (scope, selector, siblingClass) {
Expand Down