🔗 Function: sensor()

sensor<T, E, K, C>(host, source, type, transform, initialValue, options): Computed<T>

Defined in: src/core/dom.ts:331

Create a computed signal that listens to an event on an element

This function creates a reactive signal that updates when the specified event fires.
Event listeners are automatically managed - they are added when the signal has watchers
and removed when no watchers remain to prevent memory leaks.

🔗 Type Parameters

🔗 T

T extends object

🔗 E

E extends Element

🔗 K

K extends string

🔗 C

C extends HTMLElement = HTMLElement

🔗 Parameters

🔗 host

C

host element (used as context in transform function)

🔗 source

E

element to attach event listener to

🔗 type

K

event type to listen for (type-safe based on element type)

🔗 transform

(host, source, event, oldValue) => T

transformation function in event listener

🔗 initialValue

T

initial value of the signal

🔗 options

event listener options

boolean | AddEventListenerOptions

🔗 Returns

Computed<T>

computed signal that automatically manages event listener lifecycle

🔗 Since

0.13.1