blog/scripts/copy-button.js

17 lines
454 B
JavaScript
Raw Normal View History

2019-08-09 13:02:51 +00:00
'use strict'
/* global hexo */
/*
* Add "Copy" button to code snippet
*/
hexo.extend.filter.register('after_render:html', (data) => {
// Avoid duplicate button
if (data.includes('</button></td>')) return;
const copyBtn = '<button class="copy-button">Copy</button>'
// Regex is based on https://github.com/hexojs/hexo/pull/3697
return data.replace(/<td class="code">(?!<\/td>).+?<\/td>/, (str) => str.replace('</td>', copyBtn + '</td>'))
})