Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)

Show HN: Algorithms and Data Structures in TypeScript – Free Book (~400 Pages)

Algorithms and Data Structures in TypeScript – Free Book (~400 Pages) is a business in show hn launch.

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I started writing this book 10 years ago in JavaScript, got through a few chapters (asymptotic notation, basic techniques, start of sorting), and then abandoned it.Recently I picked it back up, converted everything to TypeScript, and used AI (Zenflow [1] + Claude Opus 4.6) to complete the remaining chapters. I provided the structure, direction, and initial chapters; the AI generated the bulk of the remaining content under a spec-driven workflow.The book covers roughly a first 1-2 year CS curriculum: sorting, dynamic programming, graph algorithms, trees, heaps, hash tables, and more. All code is executable, typed with generics/interfaces, and covered with tests.I've thoroughly reviewed severa

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Website: amoilanen.github.io/Algorithms-with-Typescript