Type definitions for Svelte components

svelte.d.ts

declare module '*.svelte' {
	type State = Record<string, any>
	type Changed = Record<string, boolean>

	interface Cancellable {
		cancel: () => void
	}

	export default class Component {
		root: Component
		options: State

		constructor(init: { target: Element, data?: State })

		set(data: State)
		get(): State

		on(event: string, callback: (event: any) => void): Cancellable
		on(event: 'state', callback: ({ changed: Changed, current: State, previous: State }) => void): Cancellable
		on(event: 'destroy', callback: () => void): Cancellable

		fire(event: string, data: any)

		destroy()
	}
}