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Print Code

Print.

  1. // ==UserScript==
  2. // @name         Print Code
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.2.0
  5. // @description  Print.
  6. // @author       Feng Ya
  7. // @match        https://github.com/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. ;(function () {
  12.   'use strict'
  13.   // Your code here...
  14.   if (!document.querySelector('div.file')) return
  15.  
  16.   console.log('print code')
  17.  
  18.   const btnPrint = document.createElement('a')
  19.   btnPrint.classList.add('btn')
  20.   btnPrint.classList.add('btn-sm')
  21.   btnPrint.classList.add('BtnGroup-item')
  22.   console.log(btnPrint.classList)
  23.   btnPrint.innerHTML = 'Print'
  24.   btnPrint.addEventListener('click', printCode)
  25.  
  26.   document
  27.     .querySelector('div.file-actions > div.BtnGroup')
  28.     .appendChild(btnPrint)
  29.  
  30.   function printCode () {
  31.     const file = document.querySelector('div.file')
  32.     const header = document.querySelector('div.file-header')
  33.  
  34.     header.style.display = 'none'
  35.  
  36.     const css = document.createElement('style')
  37.     css.type = 'text/css'
  38.     css.innerHTML = `
  39.     .file { width: 210mm; }
  40.     .blob-code { line-height: 1.2; }
  41.     .blob-code-inner { font-size: 12pt; }
  42.     `
  43.     document.head.appendChild(css)
  44.  
  45.     document.querySelectorAll('body > div').forEach(div => {
  46.       div.style.display = 'none'
  47.     })
  48.  
  49.     document.body.appendChild(file)
  50.   }
  51. })()