Tag: react

Why a hand-rolled retry double-charged a Stripe customer because the cancel state was implicit, and what XState 5's setup-plus-actors model gives you that useReducer does not.

Reader outcome: Reader can write an XState 5 machine using the setup pattern, distinguish invoked from spawned actors, decide when to graduate from useReducer to a state machine library, and read XState code as a structured argument rather than a configuration object.

Why a React form with seven boolean flags shipped a flicker bug that statecharts would have surfaced before the first render, and the decision rule that says when this discipline earns its place.

Reader outcome: Reader can decide when a workflow is state-machine-shaped, replace boolean-flag explosion with a small statechart that names guards and transitions, and recognize statecharts as an architectural discipline rather than a UI utility.

A practical TypeScript and React guide to the event loop, hoisting, throttling, debouncing, timers, closures, callbacks, IIFEs, promises, async, and await through code patterns that show up in real components.

Reader outcome: Provided a React-centered runtime map and reusable TypeScript examples for debugging async UI behavior, timer cleanup, stale closures, callback flow, and promise-based rendering work.