P_Vexed Sharer

fb-sharer-vexed.js

// ==UserScript==
// @name         P_Vexed Sharer
// @namespace    https://www.facebook.com/groups/p.vexed
// @version      0.1
// @description  Facebook Sharer + P_Vexed
// @author       You
// @match        https://www.facebook.com/sharer/sharer.php*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

(async function() {
    'use strict';

    const waitForSelector = selector => new Promise(resolve => {
        const timer = setInterval(() => {
            const element = document.querySelector(selector);

            if (element === null) {
                return;
            }

            clearInterval(timer);
            resolve(element);
        }, 100);
    });

    (await waitForSelector('[audience="self"]')).click();
    (await waitForSelector('[audience="group"]')).click();

    const input = await waitForSelector('#audience_group');
    input.click();
    document.execCommand('InsertText', false, 'P_Vexed');
    input.dispatchEvent(new FocusEvent('focusin', { bubbles: true }));

    (await waitForSelector('[id="587289954686277"]')).dispatchEvent(new MouseEvent('mousedown', { bubbles: true }));

    setTimeout(() => {
        document.getElementById('platformDialogForm').submit();
    }, 200);
})();