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Create footnote.js

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Chen, Chien-ting 2018-07-30 00:20:08 +08:00 committed by GitHub
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/*
footnote.js: A filter for Hexo to generate footnotes. Place this file in /scripts/footnote.js.
========================================================================
Author: kuanyui(azazabc123[at]g~~~m~~~a~~~i~~~l[dot]com), Yoxem (yoxem.tem98[ A T ]nctu.edu.tw)
Date: 20180730
License: WTFPL 1.0
========================================================================
The following string in article
{fn|I'm the a lot lot of content.}
Will be converted into
<sup><a id="fnr.1" class="footref" href="#fn.1" name="fnr.1">1</a></sup>
And the following block will be added in the bottom of the article.
<div id="footnotes">
<h2 class="footnotes">Footnote</h2>
<div id="text-footnotes">
<div class="footdef"><sup><a id="fn.1" name="fn.1" class="footnum" href="#fnr.1">1</a></sup> <p class="footpara">I'm the a lot lot of content.</p></div>
<div class="footdef"><sup><a id="fn.2" name="fn.2" class="footnum" href="#fnr.2">2</a></sup> <p class="footpara">I'm the second content2</p></div>
...
</div>
</div>
Adding following CSS into your site is recommended:
.footpara {
display: inline;
margin-left: 5px;
}
*/
var lang = {"en_US": "Footnotes", "zh_TW": "腳註", "ja_JP": "脚注", "zh_CN": "脚注", "nan": "注跤 [tsù-kha]"};
if (lang[hexo.config.language]) {
var fnName = lang[hexo.config.language];
} else {
var fnName = "註腳";
}
hexo.extend.filter.register('pre', function(data, callback) {
var num = 0;
var footContent = "";
var RE = new RegExp('\\{fn\\|(.+?)\\}', 'g');
data.content = data.content.replace(RE, function(x, y) {
num += 1;
footContent += '<div class="footdef"><sup><a id="fn.' + num + '" name="fn.' + num + '" class="footnum" href="#fnr.' + num + '">' + num + '</a></sup> ' + y + '</div>';
return '<sup><a id="fnr.' + num + '" class="footref" href="#fn.' + num + '" name="fnr.' + num + '">' + num + '</a></sup>';
});
if (footContent.length > 0) {
data.content = data.content + '<div id="footnotes"><h3 class="footnotes">' + fnName + '</h3><div id="text-footnotes">' + footContent + '</div></div>';
}
return data;
});