significantly improve latency

scripts/run-audio-router-tests.mjs

@@ -0,0 +1,44 @@
+import { mkdtemp, rm } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
+import { join, dirname } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { spawn } from 'node:child_process'
+import { build } from 'esbuild'
+
+const rootDir = dirname(dirname(fileURLToPath(import.meta.url)))
+const tempDir = await mkdtemp(join(tmpdir(), 'prism-audio-router-tests-'))
+const bundledTestPath = join(tempDir, 'audio-router.test.mjs')
+const entryPoint = join(rootDir, 'test', 'audio-router.test.ts')
+
+let exitCode = 1
+
+try {
+  await build({
+    entryPoints: [entryPoint],
+    outfile: bundledTestPath,
+    bundle: true,
+    platform: 'node',
+    format: 'esm',
+    target: 'node23',
+    sourcemap: 'inline',
+  })
+
+  exitCode = await new Promise((resolve) => {
+    const child = spawn(process.execPath, ['--test', bundledTestPath], {
+      stdio: 'inherit',
+      cwd: rootDir,
+    })
+
+    child.on('exit', (code) => {
+      resolve(code ?? 1)
+    })
+
+    child.on('error', () => {
+      resolve(1)
+    })
+  })
+} finally {
+  await rm(tempDir, { recursive: true, force: true })
+}
+
+process.exit(exitCode)