feat(libretranslate): add detect language action

packages/backend/src/apps/libretranslate/actions/detect-language/index.js

@@ -0,0 +1,29 @@
+import defineAction from '../../../../helpers/define-action.js';
+
+export default defineAction({
+  name: 'Detect language',
+  key: 'detectLanguage',
+  description: 'Detects language of a text.',
+  arguments: [
+    {
+      label: 'Text',
+      key: 'text',
+      type: 'string',
+      required: true,
+      description: 'The text to detect.',
+      variables: true,
+    },
+  ],
+
+  async run($) {
+    const { text } = $.step.parameters;
+
+    const body = {
+      q: text,
+    };
+
+    const response = await $.http.post('/detect', body);
+
+    $.setActionItem({ raw: response.data[0] });
+  },
+});

packages/backend/src/apps/libretranslate/actions/index.js

@@ -1,3 +1,4 @@
+import detectLanguage from './detect-language/index.js';
 import translateText from './translate-text/index.js';
 
-export default [translateText];
+export default [detectLanguage, translateText];