test: wat3

Author: pieh

.github/workflows/run-tests.yml

@@ -81,8 +81,7 @@ jobs:
       - name: 'Build'
         run: npm run build
       - name: 'Vendor deno helpers for integration tests'
-        run: deno vendor eszip.ts
-        working-directory: tools/deno
+        run: node tools/vendor-deno-tools.js
       - name: Resolve Next.js version
         id: resolve-next-version
         shell: bash

.gitignore

@@ -2,6 +2,7 @@ node_modules/
 dist/
 .next
 edge-runtime/vendor
+tools/deno/vendor
 
 # Local Netlify folder
 .netlify

tools/vendor-deno-tools.js

@@ -0,0 +1,52 @@
+import { createWriteStream } from 'node:fs'
+import { rm, writeFile } from 'node:fs/promises'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { Readable } from 'stream'
+import { finished } from 'stream/promises'
+
+import { execaCommand } from 'execa'
+
+const denoToolsDirectory = join(dirname(fileURLToPath(import.meta.url)), 'deno')
+
+try {
+  await execaCommand('deno --version')
+} catch {
+  throw new Error('Could not check the version of Deno. Is it installed on your system?')
+}
+
+const vendorDest = join(denoToolsDirectory, 'vendor')
+
+console.log(`🧹 Deleting '${vendorDest}'...`)
+await rm(vendorDest, { force: true, recursive: true })
+
+const denoJsonPath = join(denoToolsDirectory, 'deno.json')
+
+console.log(`🧹 Generating clean '${denoJsonPath}`)
+
+await writeFile(denoJsonPath, '{}')
+
+console.log(`📦 Vendoring Deno modules into '${vendorDest}'...`)
+
+await execaCommand('deno vendor eszip.ts', {
+  cwd: denoToolsDirectory,
+})
+
+// eszip contains wasm files and those don't currently work great with vendoring
+// see https://github.com/denoland/deno/issues/14123
+// to workaround this we copy the wasm files manually
+const filesToDownload = ['https://deno.land/x/[email protected]/eszip_wasm_bg.wasm']
+await Promise.all(
+  filesToDownload.map(async (urlString) => {
+    const url = new URL(urlString)
+
+    const destination = join(vendorDest, url.hostname, url.pathname)
+
+    const res = await fetch(url)
+    if (!res.ok) throw new Error('Failed to fetch .wasm file to vendor', { cause: err })
+    const fileStream = createWriteStream(destination, { flags: 'wx' })
+    await finished(Readable.fromWeb(res.body).pipe(fileStream))
+  }),
+)
+
+console.log('📦 Vendored dependencies for eszip helper')