@prismicio/types-internal/src/validators/StringFromNumber.ts

Prismic types for Custom Types and Prismic Data

import { chain } from "fp-ts/Either"
import { pipe } from "fp-ts/function"
import * as t from "io-ts"

export type StringFromNumberC = t.Type<string, string, unknown>

/** A codec that validates a number and convert it as a string */
export default new t.Type<string, string, unknown>(
	"StringFromInt",
	t.string.is,
	(u, c) =>
		pipe(
			t.number.validate(u, c),
			chain((i) => {
				return t.success(i.toString())
			}),
		),
	(i) => i,
)