feat: Inject BRANCH_NAME into environment

Author: liukangtian

.github/workflows/gh-pages.yml

@@ -19,6 +19,9 @@ jobs:
         with:
           node-version: '20.14'
 
+      # Inject BRANCH_NAME into environment variables
+      - name: Set BRANCH_NAME
+        run: echo "BRANCH_NAME=${GITHUB_REF##*/}" >> $GITHUB_ENV
 
       # Navigate to the correct working directory and install dependencies
       - name: Install dependencies

docusaurus.config.js

@@ -1,7 +1,7 @@
-require('dotenv').config();
 const { themes } = require('prism-react-renderer');
 const { languageTabs } = require('./static/languageTabs.mjs');
-const isDev = process.env.NODE_ENV === 'development';
+const BRANCH_NAME = process.env.BRANCH_NAME;
+const ALGOLIA_INDEX_NAME = BRANCH_NAME === 'main' ? 'doc_babylonlabs_io' : 'doc_dev_babylonlabs_io';
 const code_themes = {
   light: themes.github,
   dark: themes.dracula,
@@ -290,7 +290,7 @@ const config = {
       algolia: {
         appId: process.env.ALGOLIA_APP_ID,
         apiKey: process.env.ALGOLIA_API_KEY,
-        indexName:  isDev ? 'doc_dev_babylonlabs_io' : 'doc_babylonlabs_io',
+        indexName:  ALGOLIA_INDEX_NAME,
         contextualSearch: true,
         searchParameters: {},
         contextualSearchFilters: [],