Node.js

Server-side JavaScript across the years it became a platform: async/await and promisification, streams and backpressure, worker threads, ES modules, AsyncLocalStorage, npm workspaces, the built-in test runner, global fetch, the permission model, require(esm), and graceful shutdown.

24 parts · 2018-02-19 → 2024-08-20

1. Part 1async/await without the callback pyramid2018-02-19
2. Part 2util.promisify and living with callbacks2018-05-14
3. Part 3streams, backpressure, and why pipeline() replaced .pipe()2018-09-11
4. Part 4worker threads — real parallelism for CPU-bound work2018-11-27
5. Part 5ES modules arrive — import, export, and the interop rules2019-02-05
6. Part 6the EventEmitter — and the 'error' event that crashes your process2019-05-21
7. Part 7HTTP/2 in core — multiplexing, headers, and the end of the connection pool hack2019-08-13
8. Part 8getting dependencies under control — lockfiles, npm ci, and audit2019-11-19
9. Part 9optional chaining and nullish coalescing — the defensive code you can delete2020-02-11
10. Part 10AsyncLocalStorage — request-scoped context without threading it through every call2020-05-26
11. Part 11fs.promises and AbortController — doing two things at once, then stopping one2020-08-18
12. Part 12top-level await — when a module is its own init sequence2020-11-10
13. Part 13npm workspaces — a monorepo without adding a tool2021-03-02
14. Part 14the profiler you already have — --cpu-prof, heap snapshots, and the flame graph2021-06-15
15. Part 15diagnostics_channel — publishing what happens inside your app, without an event emitter2021-09-28
16. Part 16Node 18 — global fetch, Web Streams, and the shrinking dependency list2022-04-19
17. Part 17the built-in test runner and watch mode2022-08-09
18. Part 18Corepack — pinning the package manager instead of documenting it2022-11-15
19. Part 19the permission model — capability-based security for a process2023-02-21
20. Part 20a real CLI in one file — parseArgs, readline, and exit codes2023-06-13
21. Part 21single executable applications — shipping a binary without Node2023-09-26
22. Part 22require(esm) — the dual-package problem finally closes2024-01-16
23. Part 23Node 22 — WebSocket client, glob, and magic bytes2024-04-23
24. Part 24graceful shutdown, structured logs, and the end of console.log in production2024-08-20

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