t/u box

tubox.user.js

// ==UserScript==
// @name        T/U box
// @description w/ "{title} {url}" format. easy copyable title/url box; click to copy, double-click outer to close
// @include     http://*
// @include     https://*
// @grant         GM_registerMenuCommand
// ==/UserScript==

/*
 * @title T/U box
 * @description w/ "{title} {url}" format. easy copyable title/url box; click to copy, double-click outer to close
 * @include http://*
 * @include https://*
 * @contributor	pacochi	http://let.hatelabo.jp/pacochi/let/hJme3OvVzN41
 * @contributor noromanba http://let.hatelabo.jp/noromanba/let/hJme3Pyylqos
 * @license MIT License	https://opensource.org/licenses/MIT
 * @javascript_url
 */

/* modifications

* Show confirm dialog for doubtful URL
 (location.pushState/replace will cause mismatch between meta URLs and current URL)
* Fix copy format
* Add Title+URL format
* Append location.hash
* Avoid to use array for querySelector (for cloudflare rocket.js)
* Close on click anywhere
* support relative URL

*/
'use strict';
GM_registerMenuCommand("T/U Box",
                       ()=>{
    // https://gist.github.com/noromanba/d730ccf3ae5e6916cd60
    const canonical_base =
          (document.querySelector('head meta[property="og:url"][content]') || {}).content ||
          (document.querySelector('head link[rel="canonical"][href]') || {}).href ||
          '';
    const prefix = canonical_base.startsWith('/') ? location.origin : '';
    const canonical = canonical_base ? prefix + canonical_base + location.hash : null;
    const title = document.title;

    const url =
          (!canonical && location.href) ||
          (new URL(canonical).pathname === location.pathname && canonical) ||
          (confirm(`次のURLがmetaタグから見つかりましたが、現在のpathと異なります。\nキャンセルを押すとlocation.hrefを使用します。\n${canonical}`) && canonical) ||
          location.href;

    const box = document.body.appendChild(Object.assign(document.createElement('div'), {
        id: 'copy-buttons',
        style: `
background-color: white;
border: 1px solid silver;
padding: 1em;
position: fixed;
top: 0;
left: 0;
z-index: ${Number.MAX_SAFE_INTEGER || Number.MAX_VALUE};
`,
    }));
    const onClose = e => {
        box.parentNode.removeChild(box);
        document.removeEventListener('click', onClose);
        e.stopPropagation();
    };

    box.addEventListener('click', e => e.stopPropagation());
    box.addEventListener('dblclick', onClose);
    document.addEventListener('click', onClose);

    // TBD alignment
    [
        { label: 'URL', value: url },
        { label: 'Title', value: title },
        { label: 'Title + URL', value: title + ' ' + url },
        { label: 'HatenaSyntax', value: `[${url}:title=${title}]` },
        { label: 'Markdown', value: `[${title}](${url})` },
    ].forEach(({label, value}) => {
        box.appendChild(Object.assign(document.createElement('label'), {
            style: `
display: block;
color: black;
background-color: silver;
text-align: left;
`,
            textContent: `${label}: `,
        })).appendChild(Object.assign(document.createElement('input'), {
            style: `
color: black;
background-color: silver;
margin: 0.5em;
`,
            value,
        })).addEventListener('click', e => {
            e.target.select();
            document.execCommand('copy');
            e.stopPropagation();
        });
    });
});