Getting baseUrl from env (#2898)

* Getting baseUrl from env

* Setting env var before build

Author: diemol

.github/workflows/deploy-pr-preview.yml

@@ -39,6 +39,10 @@ jobs:
           path: |
             build
           key: ${{ runner.os }}-${{ github.sha }}
+
+      - name: Set preview path
+        run: echo "PREVIEW_PATH=sauce-docs/pr-preview/pr-${{ github.event.number }}" >> "$GITHUB_ENV"
+    
       - name: Install Dependencies
         if: steps.cache-build.outputs.cache-hit != 'true' && github.event.action != 'closed' # Skip if the PR was closed
         run: |

docusaurus.config.js

@@ -1,11 +1,16 @@
 const unwrapJsx = require('./src/plugins/unwrap-jsx');
+
+// Enabling PR previews
+let siteBaseUrl = "/"
+if (process.env.PREVIEW_PATH) siteBaseUrl += process.env.PREVIEW_PATH
+
 const docusaurusConfig = {
     title: 'Sauce Labs Documentation',
     tagline: 'Test all the things.',
     url: 'https://docs.saucelabs.com',
     noIndex: process.env.NO_INDEX,
     trailingSlash: true,
-    baseUrl: '/',
+    baseUrl: siteBaseUrl,
     onBrokenLinks: 'throw',
     onBrokenMarkdownLinks: 'throw',
     organizationName: 'saucelabs',