Vapor Chamber: A Command Bus Built for Vue Vapor

Vapor Chamber: A Command Bus Built for Vue Vapor Vue Vapor is changing how Vue apps compile. By ditching the Virtual DOM in favor of direct DOM updates using signals, Vapor opens the door for leaner, faster reactivity. Vapor Chamber is a ~2KB command bus designed to match that philosophy: minimal abstraction, predictable data flow, one place to look, debug, and test. The Problem With Events The traditional Vue pattern — emit , v-on , scattered handlers — works fine for small apps. But as complexity grows, logic fragments across components and tracing a single user action becomes a hunt. With events you ask: where did this get handled? With a command bus you ask: what does this do? — and the answer is always one function. bus . dispatch ( ' cart.add ' , product , { quantity : 2 }) One semantic action. One handler. One result. Installation npm install vapor-chamber Requires Node >=18 and Vue >=3.5 (peer dependency, optional). Core Concepts Every command has three parts: Part Role Example