Migrate the monorepo to Node.js

.env

@@ -0,0 +1 @@
+NODE_OPTIONS=--experimental-strip-types --conditions=development

.github/workflows/preview.yaml

@@ -1,4 +1,5 @@
 name: Preview
+
 on:
   pull_request:
     types: [opened, synchronize]
@@ -11,26 +12,28 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: denoland/setup-deno@v2
-        with:
-          deno-version: v2.x
+
+      - uses: pnpm/action-setup@v4
+
       - uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          node-version: 22
+
+      - run: pnpm install --frozen-lockfile
 
       - name: Get changed packages
         id: changed
-        run: deno run -A tasks/preview-matrix.ts
+        run: node --env-file=.env .internal/preview-matrix.ts
 
-      - name: Build and publish previews
+      - name: Build packages
         if: steps.changed.outputs.workspaces != ''
-        run: |
-          for workspace in ${{ steps.changed.outputs.workspaces }}; do
-            deno run -A tasks/build-npm.ts "$workspace"
-          done
+        run: pnpm build
 
+      - name: Publish previews
+        if: steps.changed.outputs.workspaces != ''
+        run: |
           dirs=""
           for workspace in ${{ steps.changed.outputs.workspaces }}; do
-            dirs="$dirs ./$workspace/build/npm"
+            dirs="$dirs ./$workspace"
           done
           npx pkg-pr-new publish $dirs