import { json_schema } from "https://deno.land/x/fun@v2.0.0-alpha.6/mod.ts";
const { undefinable } = json_schema;
Creates a JsonBuilder that makes the given builder undefinable
Examples
Example 1
Example 1
import * as J from "./json_schema.ts";
import { pipe } from "./fn.ts";
// schema === { anyOf: [ { enum: [ 1 ] }, {} ] }
const schema = J.print(J.undefinable(J.literal(1)));
Parameters
or: JsonBuilder<A>
Returns
JsonBuilder<A | undefined>