Created
August 16, 2021 05:00
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STUDIOに目次をつけるコード
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var assignMokuji = function(){ | |
/** | |
* 指定したテキストでH1もしくはH2要素を見つける | |
* @param {*} text | |
* @returns | |
*/ | |
var findH1OrH2ByText = function(text) { | |
var h1 = $("h1:contains(" + text + ")").first() | |
if(h1[0]){ | |
return h1[0] | |
} | |
var h2 = $("h2:contains(" + text + ")").first() | |
if(h2[0]){ | |
return h2[0] | |
} | |
return null | |
} | |
// 目次を見つける | |
var mokujiDom = findH1OrH2ByText("目次") | |
// 目次の各要素に対して内部リンクを貼る | |
var mokujiUl = mokujiDom.nextElementSibling | |
var mokujiLi = Array.prototype.slice.call(mokujiUl.children) | |
mokujiLi.forEach(function(li) { | |
// リンク先になるタイトル要素 | |
var targetH = findH1OrH2ByText(li.textContent) | |
if(targetH){ | |
// タイトル要素にIDを付与 | |
var targetHUid = targetH.dataset.uid | |
$("[data-uid=" + targetHUid + "]").attr('id', targetHUid) | |
// Li要素にリンクを付与 | |
$("[data-uid=" + li.dataset.uid + "]").first().wrapInner("<a href=#" + targetHUid + "></a>") | |
} | |
}) | |
} | |
// 直接ランディングした場合 | |
window.onload = function(){ | |
assignMokuji() | |
} | |
// 別ページから遷移してきた場合 | |
// (SPAなのでonLoadがコールされない) | |
window.history.pushState = function(){ | |
assignMokuji() | |
} |
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