ci: always generate docs with latest main ae (#10037)

.github/workflows/documentation.yml

@@ -51,9 +51,34 @@ jobs:
       - name: Build dependencies
         run: pnpm run build
 
+      - name: Checkout main repository
+        if: ${{ inputs.ref && inputs.ref != 'main' }}
+        uses: actions/checkout@v3
+        with:
+          path: 'main'
+
+      - name: Build main
+        if: ${{ inputs.ref && inputs.ref != 'main' }}
+        shell: bash
+        run: |
+          cd main
+          pnpm install --frozen-lockfile --prefer-offline --loglevel error
+          pnpm run build
+          cd ..
+
       - name: Build docs
         run: pnpm run docs
 
+      - name: Build docs with main api-extractor
+        if: ${{ inputs.ref && inputs.ref != 'main' }}
+        run: |
+          declare -a PACKAGES=("brokers" "builders" "collection" "core" "discord.js" "formatters" "next" "proxy" "rest" "util" "voice" "ws")
+          for PACKAGE in "${PACKAGES[@]}"; do
+            cd "packages/${PACKAGE}"
+            ../../main/packages/api-extractor/bin/api-extractor run --local --minify
+            cd ../..
+          done
+
       - name: Checkout docs repository
         uses: actions/checkout@v3
         with: