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Qiitaのコードの左側に選択不可能な行番号を追加するユーザースクリプト ref: http://qiita.com/khsk/items/89fc40321f1387829135
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// ==UserScript== | |
// @name Qiita Code Number | |
// @namespace khsk | |
// @description コードに選択不可能な行番号を追加する | |
// @include http://qiita.com/*/items/* | |
// @include http://qiita.com/*/private/* | |
// @version 1 | |
// @grant none | |
// ==/UserScript== | |
// 追加した行番号は選択不可にする | |
var style = document.createElement('style') | |
style.type = 'text/css' | |
style.innerHTML = 'span.khsk-codeNumber { user-select: none; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; -o-user-select: none;}' | |
document.getElementsByTagName('head')[0].appendChild(style) | |
var codes = document.querySelectorAll('div.highlight pre') | |
Array.prototype.forEach.call(codes, function(code) { | |
var rows = code.innerText.split('\n') | |
// 最後に改行が入っているので、空要素が生まれるため削除 | |
rows.pop() | |
rows = rows.map((row, index, array)=>{ | |
// 桁数は3桁までとする | |
let number = (' ' + (index + 1)).slice(-3) | |
return '<span class="khsk-codeNumber">' + number + ' </span>' + row | |
}) | |
code.innerHTML = rows.join('\n') | |
}) |
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// ==UserScript== | |
// @name Qiita Code Number | |
// @namespace khsk | |
// @description コードに選択不可能な行番号を追加する | |
// @include http://qiita.com/*/items/* | |
// @include https://qiita.com/*/items/* | |
// @include http://qiita.com/*/private/* | |
// @include https://qiita.com/*/private/* | |
// @version 1 | |
// @grant none | |
// ==/UserScript== | |
var style = document.createElement('style') | |
style.type = 'text/css' | |
style.innerHTML = ` | |
pre.khsk-codeNumber { | |
float: left; | |
user-select: none; /* 追加した行番号は選択不可にする */ | |
-webkit-user-select: none; | |
-moz-user-select: none; | |
-ms-user-select: none; | |
-o-user-select: none; | |
overflow-x: hidden !important; /* スクロールバーはあるのもないのも不自然 */ | |
} | |
pre.khsk-codeNumber:after { | |
clear: both; | |
} | |
` | |
document.getElementsByTagName('head')[0].appendChild(style) | |
var codes = document.querySelectorAll('div.highlight pre') | |
Array.prototype.forEach.call(codes, function(code) { | |
var rows = code.innerText.split('\n') | |
// 最後に改行が入っていることにより、空要素が生まれるため削除 | |
rows.pop() | |
var length = rows.length | |
var numbers = document.createElement('pre') | |
numbers.className = 'khsk-codeNumber' | |
for (let i = 0; i < length; ++i) { | |
// 桁数は3桁までとする | |
let number = (' ' + (i + 1)).slice(-3) | |
// Textでは改行が反映されない | |
numbers.innerHTML += number + '\n' | |
} | |
code.parentElement.insertBefore(numbers,code) | |
}) |
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