Reinventing RxJS
summary
Recreates RxJS from first principles: implements from/pipe, build Observables Subscriptions Operators with a minimal createObservable and explicit subscribe, shows how operators chain by subscribing to the previous stream, demonstrates lazy evaluation and that pipelines are synchronous by default, and implements schedulers and virtual time to control emission order and speed so a one‑hour interval test runs instantly. Live code compiles and the minimalist reimplementation behaves like the real RxJS.
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