can `optional()` be used with a thunk?

I want to do something like this (to allow null values to be ignored):

export const mod = scope({
    Nested: {
        something: "boolean",
    },
    Model: {
        field: () => mod.type("Nested").or(type.null.pipe(() => undefined)).optional(),
        other: "string",
    },
});

export const mod = scope({
    Nested: {
        something: "boolean",
    },
    Model: {
        field: () => mod.type("Nested").or(type.null.pipe(() => undefined)).optional(),
        other: "string",
    },
});

But I get the error:

Type definitions must be strings or objects (was Function)

Type definitions must be strings or objects (was Function)

I am needing to use a thunk because in my real case I am using a type defined within the scope. But maybe there's another way of achieving that?

arktype•14mo ago•

5 replies

Tom

can `optional()` be used with a thunk?

I want to do something like this (to allow null values to be ignored):

export const mod = scope({
    Nested: {
        something: "boolean",
    },
    Model: {
        field: () => mod.type("Nested").or(type.null.pipe(() => undefined)).optional(),
        other: "string",
    },
});

export const mod = scope({
    Nested: {
        something: "boolean",
    },
    Model: {
        field: () => mod.type("Nested").or(type.null.pipe(() => undefined)).optional(),
        other: "string",
    },
});

But I get the error:

Type definitions must be strings or objects (was Function)

Type definitions must be strings or objects (was Function)

I am needing to use a thunk because in my real case I am using a type defined within the scope. But maybe there's another way of achieving that?

can `optional()` be used with a thunk?

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