@mika/signals

Small reactive primitives shared across Mika apps.

Install

npm install @mika/signals

API

signal(initial, defaults = {})

Creates a reactive object with enumerable properties.

import { signal } from "@mika/signals"

const state = signal(null, {
  ready: false,
  value: null,
})

effect(fn)

Runs fn immediately and reruns it when accessed signal fields change. Returns a disposer that cancels future reruns.

import { effect } from "@mika/signals"

const stop = effect(() => {
  console.log(state.ready)
})

setEffectErrorHandler(cb)

Registers a global error handler for effect execution.

Notes

• The package is plain ESM.
• There is no build step.
• This package is intentionally small and stable.