fixup!

docs/test/index.js

@@ -7,24 +7,28 @@ const cwd = resolve(__dirname, '..')
 const output = join(cwd, 'output')
 const cli = require.resolve(resolve(cwd, '..'))
 
-// remove npm config when spawning so config set by test commands don't interfere
-const env = Object.fromEntries(
-  Object.entries(process.env).filter(([k]) => !k.toLowerCase().startsWith('npm_config_'))
-)
+const rmOutput = () => fs.rm(output, { recursive: true, force: true }).catch(() => {})
 
-const rm = (d) => fs.rm(d, { recursive: true, force: true }).catch(() => {})
+const spawnNpm = (args, opts) => {
+  // remove npm config when spawning so config set by test commands don't interfere
+  const env = Object.entries(process.env)
+    .filter(([k]) => !k.toLowerCase().startsWith('npm_config_'))
+
+  return spawn('node', [cli, ...args], {
+    env: Object.fromEntries(env),
+    stdioString: true,
+    ...opts,
+  })
+}
 
 t.test('docs', async (t) => {
-  t.teardown(() => rm(output))
+  t.teardown(rmOutput)
 
-  await rm(output)
+  await rmOutput()
   t.rejects(() => fs.stat(output))
 
-  const docs = await spawn('node', [cli, 'run', 'build'], {
-    cwd,
-    env,
-    stdioString: true,
-  })
+  // calling run build will rebuild cmark-gfm with a prebuild script
+  const docs = await spawnNpm(['run', 'build'], { cwd })
 
   t.equal(docs.code, 0)
   t.ok((await fs.stat(output)).isDirectory())