js: add function names

[nektro]

prevents this kind of error where trace says anonymous

[robobun]

^{Updated 12:17 AM PT - Mar 8th, 2025}

❌ @nektro, your commit c547be0 has 12 failures in Build #12898:

• test/js/third_party/prisma/prisma.test.ts - 1 failing on 🍎 14 x64
• test/js/node/test/parallel/test-fs-read-stream-double-close.js - timeout on 🍎 13 aarch64
• test/js/bun/shell/leak.test.ts - 1 failing on 🐧 20.04 x64
• test/js/third_party/@duckdb/node-api/duckdb.test.ts - 1 failing on 🐧 20.04 x64-baseline
• test/cli/install/bun-install-lifecycle-scripts.test.ts - timeout on 🐧 24.04 x64-baseline
• test/js/node/zlib/leak.test.ts - timeout on 🐧 20.04 aarch64
• test/js/bun/s3/s3.test.ts - timeout on 🍎 14 aarch64
• test/js/bun/spawn/spawn.test.ts - 1 failing on 🐧 20.04 aarch64
• test/bundler/bundler_compile.test.ts - 1 failing on 🐧 12 aarch64
• test/bake/dev/hot.test.ts - 1 failing on 🐧 20.04 aarch64
• test/bake/dev/hot.test.ts - 1 failing on 🐧 12 x64-baseline
• test/bake/dev/hot.test.ts - 2 failing on 🐧 20.04 x64-baseline
• test/bake/dev/hot.test.ts - 1 failing on 🐧 12 x64
• test/bake/dev/hot.test.ts - 1 failing on 🐧 20.04 x64
• test/js/bun/net/tcp.test.ts - code STATUS_HEAP_CORRUPTION on 🪟 2019 x64-baseline
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🪟 2019 x64
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🍎 14 aarch64
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🐧 20.04 aarch64
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🐧 12 x64-baseline
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🐧 20.04 x64-baseline
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🐧 24.04 x64
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🍎 14 x64
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🍎 13 aarch64

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🧪   try this PR locally:

bunx bun-pr 17994