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Function: useCreateStorageSignal()

useCreateStorageSignal<T>(key, fallbackValue, target?): [SignalGetter<T>, SignalSetter<T>]

Defined in: src/core/services/reactive.service.ts:234

Creates a signal that persists its value to a storage backend (localStorage, sessionStorage, etc.). Reads the initial value from storage on creation.

Type Parameters​

T​

T

The signal value type.

Parameters​

key​

string

Storage key.

fallbackValue​

T

Value used when the key is not in storage.

target?​

StorageTarget = "localStorage"

Storage backend (defaults to "localStorage").

Returns​

[SignalGetter<T>, SignalSetter<T>]

A tuple of [getter, setter]. The setter writes through to storage.

Example​

const [theme, setTheme] = useCreateStorageSignal("theme", "dark");
theme(); // "dark" (or whatever was stored)
setTheme("light"); // persists to localStorage