マストドン音声読み上げ v3対応 （MITライセンス）

main.js

(function () {
  const synth = window.speechSynthesis;
  const home = document.querySelector('.item-list[role="feed"]')
  const observer = new MutationObserver(function(mutations) {
    mutations.forEach(function(mutation) {
      const name = (mutation.addedNodes[0].querySelector(".display-name strong").textContent || "")
        .replace(/@/g, "アットマーク")
        ;
      const text = (mutation.addedNodes[0].querySelector("p").textContent || "")
        .replace(/https?:\/\/[\w/:%#\$&\?\(\)~\.=\+\-]+/g, "")
        .replace(/@/g, "アットマーク")
        .replace(/([^a-z^A-Z])ltl([^a-z^A-Z]?)/ig, "$1。ローカルタイムライン。$2")
        .replace(/([^a-z^A-Z])ftl([^a-z^A-Z]?)/ig, "$1。連合タイムライン。$2")
        .replace(/([^a-z^A-Z])pawoo([^a-z^A-Z]?)/ig, "$1。ぱうー。$2")
        .replace(/ /g, "。。。")
        .replace(/ww.+/g, "。だいぞうきば。")
        .replace(/ww/g, "。きば生える。")
        .replace(/([^a-z^A-Z])w([^a-z^A-Z]?)/g, "$1。きば。$2")
        .replace(/ｗｗ.+/g, "。だいぞうきば。")
        .replace(/ｗｗ/g, "。きば生える。")
        .replace(/([^a-z^A-Z])ｗ([^a-z^A-Z]?)/g, "$1。きば。$2")
        .replace(/jj.+/g, "。だいぞうきば。")
        .replace(/jj/g, "。きば生える。")
        .replace(/([^a-z^A-Z])j([^a-z^A-Z]?)/g, "$1。きば。$2")
        .replace(/ｊｊ.+/g, "。だいぞうきば。")
        .replace(/ｊｊ/g, "。きば生える。")
        .replace(/([^a-z^A-Z])ｊ([^a-z^A-Z]?)/g, "$1。きば。$2")
        .replace(/([^a-z^A-Z])JK([^a-z^A-Z]?)/g, "$1。常識に考えて。$2")
        .replace(/→/g, "は、")
        ;
      const output = name+"。。。"+text;
      console.log(output);
      const ssu = new SpeechSynthesisUtterance(output);
      ssu.rate = 1.2;
      ssu.lang = "ja-JP";
      const voices = synth.getVoices().filter( voice => voice.lang == "ja-JP" );
      const voiceNumber = Math.round(Math.random() * voices.length);
      ssu.voice = voices[voiceNumber];
      synth.speak(ssu);
    });    
  });
  const config = { attributes: true, childList: true, characterData: true };
  observer.observe(home, config);
})();

http://closure-compiler.appspot.com/home