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Add chunked translate for long messages

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This commit is contained in:
Cohee
2023-12-22 00:05:23 +02:00
parent 9cf6cef0a4
commit 45f6cb0fa8
1 changed files with 26 additions and 3 deletions
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29
public/scripts/extensions/translate/index.js
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@@ -12,6 +12,7 @@ import {
} from '../../../script.js';
import { extension_settings, getContext } from '../../extensions.js';
import { secret_state, writeSecret } from '../../secrets.js';
import { splitRecursive } from '../../utils.js';
export const autoModeOptions = {
NONE: 'none',
@@ -315,6 +316,28 @@ async function translateProviderBing(text, lang) {
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<string>} translateFn Function to translate a single chunk (must return a Promise)
* @param {number} chunkSize Maximum chunk size
* @returns {Promise<string>} 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
@@ -331,15 +354,15 @@ async function translate(text, lang) {
case 'libre':
return await translateProviderLibre(text, lang);
case 'google':
return await translateProviderGoogle(text, lang);
return await chunkedTranslate(text, lang, translateProviderGoogle, 5000);
case 'deepl':
return await translateProviderDeepl(text, lang);
case 'deeplx':
return await translateProviderDeepLX(text, lang);
return await chunkedTranslate(text, lang, translateProviderDeepLX, 1500);
case 'oneringtranslator':
return await translateProviderOneRing(text, lang);
case 'bing':
return await translateProviderBing(text, lang);
return await chunkedTranslate(text, lang, translateProviderBing, 1000);
default:
console.error('Unknown translation provider', extension_settings.translate.provider);
return text;