export { translate }; import { callPopup, eventSource, event_types, getRequestHeaders, reloadCurrentChat, saveSettingsDebounced, substituteParams, updateMessageBlock, } from '../../../script.js'; import { extension_settings, getContext } from '../../extensions.js'; import { findSecret, secret_state, writeSecret } from '../../secrets.js'; import { splitRecursive } from '../../utils.js'; export const autoModeOptions = { NONE: 'none', RESPONSES: 'responses', INPUT: 'inputs', BOTH: 'both', }; const incomingTypes = [autoModeOptions.RESPONSES, autoModeOptions.BOTH]; const outgoingTypes = [autoModeOptions.INPUT, autoModeOptions.BOTH]; const defaultSettings = { target_language: 'en', internal_language: 'en', provider: 'google', auto_mode: autoModeOptions.NONE, }; const languageCodes = { 'Afrikaans': 'af', 'Albanian': 'sq', 'Amharic': 'am', 'Arabic': 'ar', 'Armenian': 'hy', 'Azerbaijani': 'az', 'Basque': 'eu', 'Belarusian': 'be', 'Bengali': 'bn', 'Bosnian': 'bs', 'Bulgarian': 'bg', 'Catalan': 'ca', 'Cebuano': 'ceb', 'Chinese (Simplified)': 'zh-CN', 'Chinese (Traditional)': 'zh-TW', 'Corsican': 'co', 'Croatian': 'hr', 'Czech': 'cs', 'Danish': 'da', 'Dutch': 'nl', 'English': 'en', 'Esperanto': 'eo', 'Estonian': 'et', 'Finnish': 'fi', 'French': 'fr', 'Frisian': 'fy', 'Galician': 'gl', 'Georgian': 'ka', 'German': 'de', 'Greek': 'el', 'Gujarati': 'gu', 'Haitian Creole': 'ht', 'Hausa': 'ha', 'Hawaiian': 'haw', 'Hebrew': 'iw', 'Hindi': 'hi', 'Hmong': 'hmn', 'Hungarian': 'hu', 'Icelandic': 'is', 'Igbo': 'ig', 'Indonesian': 'id', 'Irish': 'ga', 'Italian': 'it', 'Japanese': 'ja', 'Javanese': 'jw', 'Kannada': 'kn', 'Kazakh': 'kk', 'Khmer': 'km', 'Korean': 'ko', 'Kurdish': 'ku', 'Kyrgyz': 'ky', 'Lao': 'lo', 'Latin': 'la', 'Latvian': 'lv', 'Lithuanian': 'lt', 'Luxembourgish': 'lb', 'Macedonian': 'mk', 'Malagasy': 'mg', 'Malay': 'ms', 'Malayalam': 'ml', 'Maltese': 'mt', 'Maori': 'mi', 'Marathi': 'mr', 'Mongolian': 'mn', 'Myanmar (Burmese)': 'my', 'Nepali': 'ne', 'Norwegian': 'no', 'Nyanja (Chichewa)': 'ny', 'Pashto': 'ps', 'Persian': 'fa', 'Polish': 'pl', 'Portuguese (Portugal, Brazil)': 'pt', 'Punjabi': 'pa', 'Romanian': 'ro', 'Russian': 'ru', 'Samoan': 'sm', 'Scots Gaelic': 'gd', 'Serbian': 'sr', 'Sesotho': 'st', 'Shona': 'sn', 'Sindhi': 'sd', 'Sinhala (Sinhalese)': 'si', 'Slovak': 'sk', 'Slovenian': 'sl', 'Somali': 'so', 'Spanish': 'es', 'Sundanese': 'su', 'Swahili': 'sw', 'Swedish': 'sv', 'Tagalog (Filipino)': 'tl', 'Tajik': 'tg', 'Tamil': 'ta', 'Telugu': 'te', 'Thai': 'th', 'Turkish': 'tr', 'Ukrainian': 'uk', 'Urdu': 'ur', 'Uzbek': 'uz', 'Vietnamese': 'vi', 'Welsh': 'cy', 'Xhosa': 'xh', 'Yiddish': 'yi', 'Yoruba': 'yo', 'Zulu': 'zu', }; const KEY_REQUIRED = ['deepl', 'libre']; const LOCAL_URL = ['libre', 'oneringtranslator', 'deeplx', 'lingva']; function showKeysButton() { const providerRequiresKey = KEY_REQUIRED.includes(extension_settings.translate.provider); const providerOptionalUrl = LOCAL_URL.includes(extension_settings.translate.provider); $('#translate_key_button').toggle(providerRequiresKey); $('#translate_key_button').toggleClass('success', Boolean(secret_state[extension_settings.translate.provider])); $('#translate_url_button').toggle(providerOptionalUrl); $('#translate_url_button').toggleClass('success', Boolean(secret_state[extension_settings.translate.provider + '_url'])); } function loadSettings() { for (const key in defaultSettings) { if (!Object.hasOwn(extension_settings.translate, key)) { extension_settings.translate[key] = defaultSettings[key]; } } $(`#translation_provider option[value="${extension_settings.translate.provider}"]`).attr('selected', true); $(`#translation_target_language option[value="${extension_settings.translate.target_language}"]`).attr('selected', true); $(`#translation_auto_mode option[value="${extension_settings.translate.auto_mode}"]`).attr('selected', true); showKeysButton(); } async function translateImpersonate(text) { const translatedText = await translate(text, extension_settings.translate.target_language); $('#send_textarea').val(translatedText); } async function translateIncomingMessage(messageId) { const context = getContext(); const message = context.chat[messageId]; if (typeof message.extra !== 'object') { message.extra = {}; } // New swipe is being generated. Don't translate that if ($(`#chat .mes[mesid="${messageId}"] .mes_text`).text() == '...') { return; } const textToTranslate = substituteParams(message.mes, context.name1, message.name); const translation = await translate(textToTranslate, extension_settings.translate.target_language); message.extra.display_text = translation; updateMessageBlock(messageId, message); } async function translateProviderOneRing(text, lang) { let from_lang = lang == extension_settings.translate.internal_language ? extension_settings.translate.target_language : extension_settings.translate.internal_language; const response = await fetch('/api/translate/onering', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, from_lang: from_lang, to_lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Translates text using the LibreTranslate API * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translateProviderLibre(text, lang) { const response = await fetch('/api/translate/libre', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Translates text using the Google Translate API * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translateProviderGoogle(text, lang) { const response = await fetch('/api/translate/google', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Translates text using an instance of the Lingva Translate * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translateProviderLingva(text, lang) { const response = await fetch('/api/translate/lingva', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Translates text using the DeepL API * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translateProviderDeepl(text, lang) { if (!secret_state.deepl) { throw new Error('No DeepL API key'); } const response = await fetch('/api/translate/deepl', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Translates text using the DeepLX API * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translateProviderDeepLX(text, lang) { const response = await fetch('/api/translate/deeplx', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Translates text using the Bing API * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translateProviderBing(text, lang) { const response = await fetch('/api/translate/bing', { method: 'POST', headers: getRequestHeaders(), body: JSON.stringify({ text: text, lang: lang }), }); if (response.ok) { const result = await response.text(); return result; } throw new Error(response.statusText); } /** * Splits text into chunks and translates each chunk separately * @param {string} text Text to translate * @param {string} lang Target language code * @param {(text: string, lang: string) => Promise} translateFn Function to translate a single chunk (must return a Promise) * @param {number} chunkSize Maximum chunk size * @returns {Promise} Translated text */ async function chunkedTranslate(text, lang, translateFn, chunkSize = 5000) { if (text.length <= chunkSize) { return await translateFn(text, lang); } const chunks = splitRecursive(text, chunkSize); let result = ''; for (const chunk of chunks) { result += await translateFn(chunk, lang); } return result; } /** * Translates text using the selected translation provider * @param {string} text Text to translate * @param {string} lang Target language code * @returns {Promise} Translated text */ async function translate(text, lang) { try { if (text == '') { return ''; } switch (extension_settings.translate.provider) { case 'libre': return await translateProviderLibre(text, lang); case 'google': return await chunkedTranslate(text, lang, translateProviderGoogle, 5000); case 'lingva': return await chunkedTranslate(text, lang, translateProviderLingva, 5000); case 'deepl': return await translateProviderDeepl(text, lang); case 'deeplx': return await chunkedTranslate(text, lang, translateProviderDeepLX, 1500); case 'oneringtranslator': return await translateProviderOneRing(text, lang); case 'bing': return await chunkedTranslate(text, lang, translateProviderBing, 1000); default: console.error('Unknown translation provider', extension_settings.translate.provider); return text; } } catch (error) { console.log(error); toastr.error(String(error), 'Failed to translate message'); } } async function translateOutgoingMessage(messageId) { const context = getContext(); const message = context.chat[messageId]; if (typeof message.extra !== 'object') { message.extra = {}; } const originalText = message.mes; message.extra.display_text = originalText; message.mes = await translate(originalText, extension_settings.translate.internal_language); updateMessageBlock(messageId, message); console.log('translateOutgoingMessage', messageId); } function shouldTranslate(types) { return types.includes(extension_settings.translate.auto_mode); } function createEventHandler(translateFunction, shouldTranslateFunction) { return async (data) => { if (shouldTranslateFunction()) { await translateFunction(data); } }; } // Prevents the chat from being translated in parallel let translateChatExecuting = false; async function onTranslateChatClick() { if (translateChatExecuting) { return; } try { translateChatExecuting = true; const context = getContext(); const chat = context.chat; toastr.info(`${chat.length} message(s) queued for translation.`, 'Please wait...'); for (let i = 0; i < chat.length; i++) { await translateIncomingMessage(i); } await context.saveChat(); } catch (error) { console.log(error); toastr.error('Failed to translate chat'); } finally { translateChatExecuting = false; } } async function onTranslationsClearClick() { const confirm = await callPopup('

Are you sure?

This will remove translated text from all messages in the current chat. This action cannot be undone.', 'confirm'); if (!confirm) { return; } const context = getContext(); const chat = context.chat; for (const mes of chat) { if (mes.extra) { delete mes.extra.display_text; } } await context.saveChat(); await reloadCurrentChat(); } async function translateMessageEdit(messageId) { const context = getContext(); const chat = context.chat; const message = chat[messageId]; if (message.is_system || extension_settings.translate.auto_mode == autoModeOptions.NONE) { return; } if ((message.is_user && shouldTranslate(outgoingTypes)) || (!message.is_user && shouldTranslate(incomingTypes))) { await translateIncomingMessage(messageId); } } async function onMessageTranslateClick() { const context = getContext(); const messageId = $(this).closest('.mes').attr('mesid'); const message = context.chat[messageId]; // If the message is already translated, revert it back to the original text if (message?.extra?.display_text) { delete message.extra.display_text; updateMessageBlock(messageId, message); } // If the message is not translated, translate it else { await translateIncomingMessage(messageId); } await context.saveChat(); } const handleIncomingMessage = createEventHandler(translateIncomingMessage, () => shouldTranslate(incomingTypes)); const handleOutgoingMessage = createEventHandler(translateOutgoingMessage, () => shouldTranslate(outgoingTypes)); const handleImpersonateReady = createEventHandler(translateImpersonate, () => shouldTranslate(incomingTypes)); const handleMessageEdit = createEventHandler(translateMessageEdit, () => true); jQuery(() => { const html = `
Chat Translation
`; const buttonHtml = `
Translate Chat
`; $('#extensionsMenu').append(buttonHtml); $('#extensions_settings2').append(html); $('#translate_chat').on('click', onTranslateChatClick); $('#translation_clear').on('click', onTranslationsClearClick); for (const [key, value] of Object.entries(languageCodes)) { $('#translation_target_language').append(``); } $('#translation_auto_mode').on('change', (event) => { extension_settings.translate.auto_mode = event.target.value; saveSettingsDebounced(); }); $('#translation_provider').on('change', (event) => { extension_settings.translate.provider = event.target.value; showKeysButton(); saveSettingsDebounced(); }); $('#translation_target_language').on('change', (event) => { extension_settings.translate.target_language = event.target.value; saveSettingsDebounced(); }); $(document).on('click', '.mes_translate', onMessageTranslateClick); $('#translate_key_button').on('click', async () => { const optionText = $('#translation_provider option:selected').text(); const key = await callPopup(`

${optionText} API Key

`, 'input'); if (key == false) { return; } await writeSecret(extension_settings.translate.provider, key); toastr.success('API Key saved'); $('#translate_key_button').addClass('success'); }); $('#translate_url_button').on('click', async () => { const optionText = $('#translation_provider option:selected').text(); const exampleURLs = { 'libre': 'http://127.0.0.1:5000/translate', 'lingva': 'https://lingva.ml/api/v1', 'oneringtranslator': 'http://127.0.0.1:4990/translate', 'deeplx': 'http://127.0.0.1:1188/translate', }; const popupText = `

${optionText} API URL

Example: ${String(exampleURLs[extension_settings.translate.provider])}`; const secretKey = extension_settings.translate.provider + '_url'; const savedUrl = secret_state[secretKey] ? await findSecret(secretKey) : ''; const url = await callPopup(popupText, 'input', savedUrl); if (url == false || url == '') { return; } await writeSecret(secretKey, url); toastr.success('API URL saved'); $('#translate_url_button').addClass('success'); }); loadSettings(); eventSource.on(event_types.CHARACTER_MESSAGE_RENDERED, handleIncomingMessage); eventSource.on(event_types.MESSAGE_SWIPED, handleIncomingMessage); eventSource.on(event_types.USER_MESSAGE_RENDERED, handleOutgoingMessage); eventSource.on(event_types.IMPERSONATE_READY, handleImpersonateReady); eventSource.on(event_types.MESSAGE_EDITED, handleMessageEdit); document.body.classList.add('translate'); });