☰

Copy it

Hold Alt click on text, Copy as plain text. Alt + Shift click on text, Copy as kebab-case.

当前为 2023-05-30 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Copy it
// @name:zh-CN   便捷复制
// @namespace    https://github.com/xianghongai/Tampermonkey-UserScript
// @version      1.1.0
// @description  Hold Alt click on text, Copy as plain text. Alt + Shift click on text, Copy as kebab-case.
// @description:zh-CN   按住 Alt 键点击文本，复制为纯文本。Alt + Shift 复制为 kebab-case 风格字符。
// @author       Nicholas Hsiang
// @icon         https://xinlu.ink/favicon.ico
// @match        http*://*/*
// @grant        GM_setClipboard
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  document.addEventListener('click', listener, false);

  function listener(event) {
    if (event.altKey) {
      event.preventDefault();
      event.stopPropagation();
      const text = getText(event.target);
      if (event.shiftKey) {
        return copyTextToClipboard(toKebab(text));
      }
      return copyTextToClipboard(text);
    }
  }

  const VALUE_CONTROLLER = ['INPUT', 'TEXTAREA'];

  function getText(el) {
    let text = '';
    if (VALUE_CONTROLLER.includes(el.tagName)) {
      const value = `${el.value}`.trim();
      const placeholder = el.placeholder ?? '';
      text = value === '' ? placeholder : value;
    } else if (el.tagName === 'SELECT') {
      const selectedOption = el.options[el.selectedIndex];
      text = selectedOption.text;
    } else {
      text = el.innerText;
    }
    return text.trim();
  }

  function toKebab(input) {
    if (typeof input === 'string') {
      return input
        .replace(/[\W\s]/gi, '-')
        .replace(/([a-z0-9])([A-Z])/g, '$1-$2')
        .replace(/([A-Z])([A-Z])(?=[a-z])/g, '$1-$2')
        .toLowerCase();
    }
  }

  function copyTextToClipboard(text) {
    GM_setClipboard(text, 'text');
  }
})();