@prismicio/client/src/richtext/composeSerializers.ts

The official JavaScript + TypeScript client library for Prismic

import type { RichTextFunctionSerializer } from "./types"

/**
 * Takes an array of serializers and returns a serializer applying provided serializers sequentially
 * until a result is returned
 *
 * @remarks
 *   This is a low level helper mainly intended to be used by higher level packages Most users
 *   aren't expected to this function directly
 * @typeParam SerializerReturnType - Return type of serializers
 * @param serializers - Serializers to compose
 * @returns Composed serializer
 */
export const composeSerializers = <SerializerReturnType>(
	...serializers: (RichTextFunctionSerializer<SerializerReturnType> | undefined)[]
): RichTextFunctionSerializer<SerializerReturnType> => {
	return (...args) => {
		for (let i = 0; i < serializers.length; i++) {
			const serializer = serializers[i]

			if (serializer) {
				const res = serializer(...args)

				if (res != null) {
					return res
				}
			}
		}
	}
}