Writable type

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Writable type

A writable reactive value (signal).

Call with no arguments to read, call with a value to write. Writing notifies all subscribers.

Signature:

export type Writable<T> = Readable<T> & {
    (value: T): void;
};

References: Readable

Example

const name: Writable<string> = signal('Alice');

// Read
console.log(name()); // 'Alice'

// Write
name('Bob');
console.log(name()); // 'Bob'