Copy Selected Links

Displays a Copy button on selected links.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Copy Selected Links
// @namespace   leaumar
// @match       *://*/*
// @grant       GM.setClipboard
// @version     3
// @author      [email protected]
// @description Displays a Copy button on selected links.
// @license     MPL-2.0
// @icon        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
// ==/UserScript==

function centerOf(element) {
  const rect = element.getBoundingClientRect();
  return {
    x: rect.left + rect.width / 2,
    y: rect.top + rect.height / 2,
  };
}

const sum = (a, b) => a + b;

function averageOf(offsets) {
  return {
    x: offsets.map(offset => offset.x).reduce(sum) / offsets.length,
    y: offsets.map(offset => offset.y).reduce(sum) / offsets.length,
  };
}

function clamp(value, min, max) {
  return Math.max(min, Math.min(value, max));
}

function toVisibleOffset(center, self) {
  const selfBox = self.getBoundingClientRect();

  const visibleCenter = {
    x: clamp(center.x, selfBox.width / 2, window.innerWidth - selfBox.width / 2),
    y: clamp(center.y, selfBox.height / 2, window.innerHeight - selfBox.height / 2)
  };

  return {
    x: visibleCenter.x - selfBox.width / 2,
    y: visibleCenter.y - selfBox.height / 2,
  };
}

function toCss({ x, y }) {
  return {
    left: `${x}px`,
    top: `${y}px`,
  };
}

// ------------

function makeButton() {
  let toCopy;

  const button = document.createElement('button');
  button.type = 'button';
  Object.assign(button.style, {
    padding: '0.5em',
    position: 'fixed',
    zIndex: 9999,
  });

  // shadow dom stops external css from affecting the button
  const container = document.createElement('div');
  const shadow = container.attachShadow({ mode: 'closed' });
  shadow.appendChild(button);

  function hide() {
    container.remove();
  }

  function attachTo(links) {
    toCopy = links.map(anchor => anchor.href).join('\n');
    button.textContent = `📋${links.length}`;
    document.body.appendChild(container);
    const center = averageOf(links.map(centerOf));
    const offset = toVisibleOffset(center, button);
    Object.assign(button.style, toCss(offset));
  }

  button.addEventListener('mouseup', mouseUp => mouseUp.stopPropagation());
  button.addEventListener('click', click => {
    click.stopPropagation();
    GM.setClipboard(toCopy, "text/plain");
    hide();
  });

  return {
    attachTo,
    hide,
  };
}

(function main() {
  let copyButton;

  document.addEventListener('scroll', () => copyButton?.hide());

  function updateButton() {
    const selection = getSelection();
    if (selection?.type === 'Range') {
      const links = [...document.links].filter(link => selection.containsNode(link, true));
      if (links.length > 0) {
        (copyButton = copyButton ?? makeButton()).attachTo(links);
        return;
      }
    }
    copyButton?.hide();
  }

  // mouseup and click aren't triggered very reliably or consistently -_-
  document.body.addEventListener('mouseup', updateButton);
  document.body.addEventListener('click', updateButton);
})();