はてブエントリページでユーザミュートをサポートする君

gistfile1.txt

// ==UserScript==
// @name         Mute user はてブ
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  mute user
// @author       Windymelt
// @match        https://b.hatena.ne.jp/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    const rks = "*********************************";
    const button = document.createElement("button");
    document.querySelector("div.entry-comments").appendChild(button);
    button.innerText = "Show mute buttons";
    const placeButtons = () => {
        Array.from(document.querySelectorAll(".entry-comment-username")).map((span) => {
            const b = document.createElement("button");
            span.parentNode.appendChild(b);
            b.innerText="mute";
            const form = new FormData();
            form.append("username", span.innerText);
            form.append("rks", rks);
            b.addEventListener("click", () => {
                b.disabled = true;
                const res = fetch("https://b.hatena.ne.jp/__________YOUR_____USERNAME__________/api.ignore.json", {
                    method: "POST",
                    body: form
                });
                res.then((res) => {
                    if (res.ok) {
                        b.disabled = true;
                    } else {
                        alert("failed to mute");
                        b.disabled = false;
                    }
                });
            });
            return span.innerText
        });
    };
    button.addEventListener("click", placeButtons);
})();