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;(function () {
'use strict'
var article = document.querySelector('article.doc')
var toolbar = document.querySelector('.toolbar')
function computePosition (el, sum) {
if (article.contains(el)) {
return computePosition(el.offsetParent, el.offsetTop + sum)
} else {
return sum
}
}
function jumpToAnchor (e) {
if (e) {
window.location.hash = '#' + this.id
e.preventDefault()
}
window.scrollTo(0, computePosition(this, 0) - toolbar.getBoundingClientRect().bottom)
}
window.addEventListener('load', function jumpOnLoad (e) {
var hash, target
if ((hash = window.location.hash) && (target = document.getElementById(hash.slice(1)))) {
jumpToAnchor.bind(target)()
setTimeout(jumpToAnchor.bind(target), 0)
}
window.removeEventListener('load', jumpOnLoad)
})
Array.prototype.slice.call(document.querySelectorAll('a[href^="#"]')).forEach(function (el) {
var hash, target
if ((hash = el.hash.slice(1)) && (target = document.getElementById(hash))) {
el.addEventListener('click', jumpToAnchor.bind(target))
}
})
})()
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