README.md

@@ -30,7 +30,13 @@ sudo sysctl -w kernel.unprivileged_userns_clone=1
 ### Usage
 
 ```js
-const { translate, getSupportedLanguages, setGlossary, quit } = require('deepl-scraper');
+const {
+    translate,
+	getSupportedLanguages,
+	setGlossary,
+	getSupportedGlossaryLanguages,
+	quit
+} = require('deepl-scraper');
 
 translate(sentence, source, target).then(console.log).catch(console.error);
 ```
@@ -107,6 +113,40 @@ await setGlossary({
 
 Note: at this time, the only way to reset the glossary is to quit the browser.
 
+As glossary doesn't support all translation-supported languages, you can get the list using the following method :
+```js
+await getSupportedGlossaryLanguages();
+```
+
+```json
+[
+    {
+        "sourceLanguage": "en",
+        "targetLanguage": "de"
+    },
+    {
+        "sourceLanguage": "de",
+        "targetLanguage": "en"
+    },
+    {
+        "sourceLanguage": "en",
+        "targetLanguage": "fr"
+    },
+    {
+        "sourceLanguage": "fr",
+        "targetLanguage": "en"
+    },
+    {
+        "sourceLanguage": "en",
+        "targetLanguage": "es"
+    },
+    {
+        "sourceLanguage": "es",
+        "targetLanguage": "en"
+    }
+]
+```
+
 #### Quitting
 
 Since this module uses a headless browser, it won't quit as long as your main script is ronning or until you quit it using the following code :

index.js

@@ -11,7 +11,9 @@ const getBrowser = async () => {
 
 const getNewPage = async () => await (await getBrowser()).newPage();
 
-const glossaryButton = `.lmt__glossary_onOffSwitch_label`;
+const
+	glossaryButton = `.lmt__glossary_onOffSwitch_label`,
+	glossaryLangSelect = `.lmt__glossary_newEntry_langButton`;
 
 module.exports = {
 	translate: async (sentence, sourceLanguage = 'auto', targetLanguage) => {
@@ -98,7 +100,6 @@ module.exports = {
 		targetLanguage = targetLanguage.toUpperCase();
 
 		const
-			langSelect = `.lmt__glossary_newEntry_langButton`,
 			sourceGlossaryInput = `.lmt__glossary_newEntry_inputSource`,
 			targetGlossaryInput = `.lmt__glossary_newEntry_inputTarget`,
 			glossaryAddButton = `.lmt__glossary_acceptButton`;
@@ -108,8 +109,8 @@ module.exports = {
 		await page.goto(homepage);
 		await page.waitForSelector(glossaryButton, { visible: true });
 		await page.click(glossaryButton);
-		await page.waitForSelector(langSelect, { visible: true });
+		await page.waitForSelector(glossaryLangSelect, { visible: true });
-		await page.click(langSelect);
+		await page.click(glossaryLangSelect);
 		{
 			let isSet = false;
 			for(const button of await page.$$('button[dl-test=glossary-newentry-lang-dropdown-option]')){
@@ -170,6 +171,28 @@ module.exports = {
 				}
 			}
 		}
+		return res;
+	},
+	getSupportedGlossaryLanguages: async () => {
+		const page = await getNewPage();
+
+		await page.goto(homepage);
+		await page.waitForSelector(glossaryButton, { visible: true });
+		await page.click(glossaryButton);
+		await page.waitForSelector(glossaryLangSelect, { visible: true });
+		await page.click(glossaryLangSelect);
+
+		const res = [];
+
+		for(const button of await page.$$('button[dl-test=glossary-newentry-lang-dropdown-option]')){
+			res.push({
+				sourceLanguage: (await (await (await button.$('.langCode')).getProperty('textContent')).jsonValue()).toLowerCase(),
+				targetLanguage: (await (await (await button.$('.langCode:nth-of-type(2)')).getProperty('textContent')).jsonValue()).toLowerCase()
+			});
+		}
+
+		await page.close();
+
 		return res;
 	}
 };