by noromanba
2015-06-22 [2015/06/22 04:05:59]
append TOC links by fragment identifires on leanpub
/*
* @title leanpub outline
* @description append TOC links by fragment identifires on leanpub
* @include https://leanpub.com/*
* @contributor efcl http://let.hatelabo.jp/efcl/let/hJmfwszo56oZ (Fork of)
* @license MIT License http://opensource.org/licenses/MIT
* @javascript_url
*/
// - fix syntax error (illegal block-comment)
// - work in Firefox and others (Array.from)
// e.g.
// https://leanpub.com/oopinjavascript/read
(function () {
if (!/leanpub\.com$/.test(location.hostname) ||
!/read/.test(location.pathname.split('/').pop())) {
return;
}
var headers = document.querySelectorAll("h1[id], h2[id], h3[id], h4[id], h5[id]");
[].slice.call(headers).forEach(function(header) {
var headerID = header.getAttribute("id");
if (!headerID) { return; }
var linkName = document.createElement("a");
linkName.href = "#" + headerID;
wrap(header, linkName);
});
function wrap(el, wrapper) {
el.parentNode.insertBefore(wrapper, el);
wrapper.appendChild(el);
}
})();