A TypeScript/Node.js reimplementation of CodeCrafters style build-your-own-X challenges (Redis, HTTP server, tree-walking interpreter), plus a custom stage-based test harness that drives each solution over its real protocol (TCP/HTTP/CLI) and gates progression stage by stage.
typescriptinterpretersystems-programmingbuild-your-own-xcodecraftersresp-protocoltesting-harnessnodejsj
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Updated
Jul 18, 2026