Type Alias InferFromJsonSchema<S>

InferFromJsonSchema: S extends { const: infer V }
    ? V
    : S extends { enum: readonly (infer V)[] }
        ? V
        : S extends { type: "string" }
            ? string
            : S extends { type: "number"
            | "integer" }
                ? number
                : S extends { type: "boolean" }
                    ? boolean
                    : S extends { type: "null" }
                        ? null
                        : S extends { items: infer I; type: "array" }
                            ? InferFromJsonSchema<I>[]
                            : S extends { type: "array" }
                                ? unknown[]
                                : S extends {
                                    properties: infer P;
                                    required: readonly (...);
                                    type: "object";
                                }
                                    ? { [K in (...) as (...)]: (...) } & {
                                        [K in (...) as (...)]?: (...)
                                    }
                                    : S extends { properties: ...; type: ... }
                                        ? { [K in (...)]?: (...) }
                                        : (...) extends (...) ? (...) : (...)

type User = InferFromJsonSchema<typeof UserJsonSchema>;
// { name: string; age?: number }
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