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🤖ChatGPT 朗读助手 - 英语听力神器!

在ChatGPT原生网页中添加朗读功能的脚本,可以让你听到ChatGPT的声音~。

当前为 2023-04-19 提交的版本,查看 最新版本

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         🤖ChatGPT 朗读助手 - 英语听力神器!
// @namespace    http://tampermonkey.net/
// @version      1.0.2
// @description  在ChatGPT原生网页中添加朗读功能的脚本,可以让你听到ChatGPT的声音~。
// @author       OpenAI - ChatGPT
// @match        https://chat.openai.com/*
// @license      GNU GPLv3
// ==/UserScript==

(function () {
    "use strict";

    // Load saved voice selection from localStorage
    const savedVoice =
          localStorage.getItem("savedVoice") ||
          "Microsoft Xiaoxiao Online (Natural) - Chinese (Mainland)";

    const buttonStyles = {
        shared: {
            borderColor: "rgba(86,88,105,var(--tw-border-opacity))",
            fontSize: ".875rem",
            lineHeight: "1.25rem",
            padding: "0.5rem 0.75rem",
            borderRadius: "0.25rem",
            marginLeft: "0.25rem",
            position: "relative",
            bottom: "5px",
        },
        light: {
            backgroundColor: "white",
            color: "black",
        },
        dark: {
            backgroundColor: "rgba(52,53,65,var(--tw-bg-opacity))",
            color: "rgba(217,217,227,var(--tw-text-opacity))",
        }
    };

    const selectorStyles = {
        shared: {
            marginLeft: "0.25rem",
            position: "relative",
            bottom: "5px",
            fontSize: ".875rem",
            padding: "0.1rem 0.5rem",
            borderRadius: "0.25rem",
            display: "none", // Hide selector by default
        },
        light: {
            backgroundColor: "white",
            color: "black",
        },
        dark: {
            backgroundColor: "rgba(52,53,65,var(--tw-bg-opacity))",
            color: "rgba(217,217,227,var(--tw-text-opacity))",
        }
    };

    function isDarkMode() {
        return document.documentElement.classList.contains("dark");
    }

    function createButton() {
        const button = document.createElement("button");
        button.innerHTML = "朗读";
        button.title = "朗读";
        button.setAttribute("data-chatgpt", "");
        Object.assign(
            button.style,
            buttonStyles.shared,
            isDarkMode() ? buttonStyles.dark : buttonStyles.light
        );
        return button;
    }
    let selectedVoice = localStorage.getItem('savedVoice') || 'Microsoft Xiaoxiao Online (Natural) - Chinese (Mainland)';

    function updateAllSelectors() {
        const selectors = document.querySelectorAll('select[data-chatgpt]');
        selectors.forEach((select) => {
            select.value = selectedVoice;
        });
    }
    function createLanguageSelector() {
        const select = document.createElement('select');
        select.setAttribute('data-chatgpt', '');
        Object.assign(select.style, selectorStyles.shared, isDarkMode() ? selectorStyles.dark : selectorStyles.light);


        const voices = window.speechSynthesis
        .getVoices()
        .filter((voice) => voice.name.includes("Microsoft"));

        const voiceGroups = voices.reduce((groups, voice) => {
            const language = voice.lang.split("-")[0];
            if (!groups[language]) {
                groups[language] = [];
            }
            groups[language].push(voice);
            return groups;
        }, {});

        Object.keys(voiceGroups).forEach((language) => {
            const optgroup = document.createElement("optgroup");
            optgroup.label = language;
            voiceGroups[language].forEach((voice) => {
                const option = document.createElement("option");
                option.value = voice.name;
                option.text = voice.name.replace('Microsoft ', '');
                optgroup.appendChild(option);
            });
            select.appendChild(optgroup);
        });

        select.value = selectedVoice;


        return select;
    }

    function createToggleButton() {
        const toggleButton = document.createElement("button");
        const svgIcon = `<svg width="20" height="20" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg">
            <path d="M42 19H5.99998" stroke="${isDarkMode() ? buttonStyles.dark.color : buttonStyles.light.color}" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/>
            <path d="M30 7L42 19" stroke="${isDarkMode() ? buttonStyles.dark.color : buttonStyles.light.color}" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/>
            <path d="M6.79897 29H42.799" stroke="${isDarkMode() ? buttonStyles.dark.color : buttonStyles.light.color}" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/>
            <path d="M6.79895 29L18.799 41" stroke="${isDarkMode() ? buttonStyles.dark.color : buttonStyles.light.color}" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/>
        </svg>`;
      toggleButton.innerHTML = svgIcon;
      toggleButton.title = "切换语言包";
      toggleButton.setAttribute("data-chatgpt", "");
      Object.assign(
          toggleButton.style,
          buttonStyles.shared,
          isDarkMode() ? buttonStyles.dark : buttonStyles.light
      );
      return toggleButton;
  }


    function createSaveButton() {
        const saveButton = document.createElement("button");
        saveButton.innerHTML = "保存";
        saveButton.title = "保存";
        saveButton.setAttribute("data-chatgpt", "");
        Object.assign(
            saveButton.style,
            buttonStyles.shared,
            isDarkMode() ? buttonStyles.dark : buttonStyles.light
        );
        return saveButton;
    }



    function addButtonAndSelector() {
        const elements = document.querySelectorAll('.markdown.prose');
        elements.forEach((elm) => {
            if (elm.nextElementSibling?.getAttribute('data-chatgpt-container') === 'true') return;

            const button = createButton();
            const languageSelector = createLanguageSelector();
            const toggleButton = createToggleButton();
            const saveButton = createSaveButton();

            button.addEventListener("mouseenter", () => {
                button.style.backgroundColor = buttonStyles.hover.backgroundColor;
            });

            button.addEventListener("mouseleave", () => {
                button.style.backgroundColor = buttonStyles.normal.backgroundColor;
            });

            button.addEventListener("click", () => {
                if (button.classList.contains("playing")) {
                    window.speechSynthesis.cancel();
                    button.innerHTML = "朗读";
                    button.classList.remove("playing");
                    button.disabled = false;
                    return;
                }

                button.classList.add("playing");
                button.innerHTML = "生成中请稍等...";
                button.disabled = true;

                const msg = new SpeechSynthesisUtterance(elm.textContent);
                msg.rate = 0.825;

                msg.addEventListener("boundary", (event) => {
                    const currentWord = elm.textContent.slice(
                        event.charIndex,
                        event.charIndex + event.charLength
                    );
                    button.innerHTML = `朗读中: ${currentWord}`;
                    button.disabled = false;
                });

                msg.addEventListener("end", () => {
                    button.innerHTML = "朗读";
                    button.classList.remove("playing");
                    button.disabled = false;
                });

                msg.voice = speechSynthesis
                    .getVoices()
                    .find((voice) => voice.name === languageSelector.value);

                msg.onerror = (errorEvent) => {
                    if (errorEvent.error === "interrupted") {
                        return;
                    }
                    const errorMsg = `发生错误: ${errorEvent.error}`;
                    button.innerHTML = `发生错误: ${errorEvent.error}`;
                    button.classList.remove("playing");
                    button.disabled = false;
                };

                window.speechSynthesis.speak(msg);
            });

            toggleButton.addEventListener('click', () => {
                languageSelector.style.display = languageSelector.style.display === 'none' ? 'block' : 'none';
                saveButton.style.display = saveButton.style.display === 'none' ? 'block' : 'none';
            });

            saveButton.addEventListener('click', () => {
                selectedVoice = languageSelector.value;
                localStorage.setItem('savedVoice', selectedVoice);
                languageSelector.style.display = 'none';
                saveButton.style.display = 'none';
                updateAllSelectors();
            });

            saveButton.style.display = 'none';
            const container = document.createElement("span");
            container.setAttribute("data-chatgpt-container", "true");
            container.appendChild(button);
            container.appendChild(toggleButton);
            container.appendChild(languageSelector);
            container.appendChild(saveButton);
            Object.assign(container.style, {
                display: "flex",
                alignItems: "center",
            });


            saveButton.addEventListener("click", () => {
                localStorage.setItem("savedVoice", languageSelector.value);
            });

            elm.parentNode.insertBefore(container, elm.nextSibling);
        });
    }

    function updateButtonAndSelectorStyles() {
        const buttons = document.querySelectorAll("button[data-chatgpt]");
        const selectors = document.querySelectorAll("select[data-chatgpt]");

        buttons.forEach((button) => {
            Object.assign(
                button.style,
                buttonStyles.shared,
                isDarkMode() ? buttonStyles.dark : buttonStyles.light
            );
            if (button.hasAttribute("data-chatgpt")) {
                const svgIcon = button.querySelector("svg");
                const paths = svgIcon.querySelectorAll("path");
                paths.forEach((path) => {
                    path.setAttribute("stroke", isDarkMode() ? buttonStyles.dark.color : buttonStyles.light.color);
                });
            }
        });

        selectors.forEach((select) => {
            Object.assign(
                select.style,
                selectorStyles.shared,
                isDarkMode() ? selectorStyles.dark : selectorStyles.light
            );
        });
    }


    window.addEventListener("keydown", (event) => {
        if (event.key === "Escape") {
            window.speechSynthesis.cancel();
            const buttons = document.querySelectorAll("button.playing");
            buttons.forEach((button) => {
                button.innerHTML = "朗读";
                button.classList.remove("playing");
            });
        }
    });

    window.speechSynthesis.onvoiceschanged = () => {
        addButtonAndSelector();
    };

    window.addEventListener("beforeunload", () => {
        window.speechSynthesis.cancel();
    });

    setInterval(() => {
        addButtonAndSelector();
    }, 2000);

    const darkModeObserver = new MutationObserver(updateButtonAndSelectorStyles);
    darkModeObserver.observe(document.documentElement, {
        attributes: true,
        attributeFilter: ["class"],
    });
})();