chore: vendor deno deps in CI before deno tests

When building the package, we only care about vendoring `edge-runtime/` deps, but for Deno
tests/typechecking/linting, we want to vendor the deps of our build tools written in Deno too.

Author: serhalp

.github/workflows/deno-test.yml

@@ -12,6 +12,14 @@ jobs:
         uses: denoland/setup-deno@v1
         with:
           deno-version: vx.x.x
+      - name: Vendor Deno Dependencies
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const { vendorDeno } = await import('${{ github.workspace }}/tools/build.js')
+
+            await vendorDeno('edge-runtime')
+            await vendorDeno('tools/deno')
       - name: Typecheck
         run: npm run typecheck:deno
       - name: Lint

tools/build.js

@@ -77,9 +77,9 @@ async function bundle(entryPoints, format, watch) {
   })
 }
 
-async function vendorDeno() {
-  const vendorSource = resolve('edge-runtime/vendor.ts')
-  const vendorDest = resolve('edge-runtime/vendor')
+export async function vendorDeno(dir) {
+  const vendorSource = resolve(join(dir, 'vendor.ts'))
+  const vendorDest = resolve(join(dir, 'vendor'))
 
   try {
     await execaCommand('deno --version')
@@ -100,7 +100,7 @@ const args = new Set(process.argv.slice(2))
 const watch = args.has('--watch') || args.has('-w')
 
 await Promise.all([
-  vendorDeno(),
+  vendorDeno('edge-runtime'),
   bundle(entryPointsESM, 'esm', watch),
   ...entryPointsCJS.map((entry) => bundle([entry], 'cjs', watch)),
   cp('src/build/templates', join(OUT_DIR, 'build/templates'), { recursive: true, force: true }),