import type { FieldType, SlicesTypes } from "@prismicio/types-internal/lib/customtypes"

export interface Definition<T extends FieldType | SlicesTypes> {
	type: T
}

export function isFieldDef(obj: unknown): obj is WithKey<Definition<FieldType | SlicesTypes>> {
	return typeof obj === "object" && obj !== null && "key" in obj && "def" in obj
}

type WithType = { type: string }
export function hasType(obj: unknown): obj is WithType {
	return typeof obj === "object" && obj !== null && "type" in obj
}

export type WithKey<D extends Definition<FieldType | SlicesTypes>> = {
	key: string
	def: D
}