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/** numeric strings */
type NumberType = "float32" | "float64" | "int8" | "uint8" | "int16" | "uint16" | "int32" | "uint32";
/** string strings */
type StringType = "string" | "timestamp";
/** Generic JTD Schema without inference of the represented type */
export type SomeJTDSchemaType = (// ref
{
    ref: string;
} | {
    type: NumberType | StringType | "boolean";
} | {
    enum: string[];
} | {
    elements: SomeJTDSchemaType;
} | {
    values: SomeJTDSchemaType;
} | {
    properties: Record<string, SomeJTDSchemaType>;
    optionalProperties?: Record<string, SomeJTDSchemaType>;
    additionalProperties?: boolean;
} | {
    properties?: Record<string, SomeJTDSchemaType>;
    optionalProperties: Record<string, SomeJTDSchemaType>;
    additionalProperties?: boolean;
} | {
    discriminator: string;
    mapping: Record<string, SomeJTDSchemaType>;
} | {}) & {
    nullable?: boolean;
    metadata?: Record<string, unknown>;
    definitions?: Record<string, SomeJTDSchemaType>;
};
/** required keys of an object, not undefined */
type RequiredKeys<T> = {
    [K in keyof T]-?: undefined extends T[K] ? never : K;
}[keyof T];
/** optional or undifined-able keys of an object */
type OptionalKeys<T> = {
    [K in keyof T]-?: undefined extends T[K] ? K : never;
}[keyof T];
/** type is true if T is a union type */
type IsUnion_<T, U extends T = T> = false extends (T extends unknown ? ([U] extends [T] ? false : true) : never) ? false : true;
type IsUnion<T> = IsUnion_<T>;
/** type is true if T is identically E */
type TypeEquality<T, E> = [T] extends [E] ? ([E] extends [T] ? true : false) : false;
/** type is true if T or null is identically E or null*/
type NullTypeEquality<T, E> = TypeEquality<T | null, E | null>;
/** gets only the string literals of a type or null if a type isn't a string literal */
type EnumString<T> = [T] extends [never] ? null : T extends string ? string extends T ? null : T : null;
/** true if type is a union of string literals */
type IsEnum<T> = null extends EnumString<T> ? false : true;
/** true only if all types are array types (not tuples) */
type IsElements<T> = false extends IsUnion<T> ? [T] extends [readonly unknown[]] ? undefined extends T[0.5] ? false : true : false : false;
/** true if the the type is a values type */
type IsValues<T> = false extends IsUnion<T> ? TypeEquality<keyof T, string> : false;
/** true if type is a properties type and Union is false, or type is a discriminator type and Union is true */
type IsRecord<T, Union extends boolean> = Union extends IsUnion<T> ? null extends EnumString<keyof T> ? false : true : false;
/** true if type represents an empty record */
type IsEmptyRecord<T> = [T] extends [Record<string, never>] ? [T] extends [never] ? false : true : false;
/** actual schema */
export type JTDSchemaType<T, D extends Record<string, unknown> = Record<string, never>> = (// refs - where null wasn't specified, must match exactly
(null extends EnumString<keyof D> ? never : ({
    [K in keyof D]: [T] extends [D[K]] ? {
        ref: K;
    } : never;
}[keyof D] & {
    nullable?: false;
}) | (null extends T ? {
    [K in keyof D]: [Exclude<T, null>] extends [Exclude<D[K], null>] ? {
        ref: K;
    } : never;
}[keyof D] & {
    nullable: true;
} : never)) | (unknown extends T ? {
    nullable?: boolean;
} : never) | ((true extends NullTypeEquality<T, number> ? {
    type: NumberType;
} : true extends NullTypeEquality<T, boolean> ? {
    type: "boolean";
} : true extends NullTypeEquality<T, string> ? {
    type: StringType;
} : true extends NullTypeEquality<T, Date> ? {
    type: "timestamp";
} : true extends IsEnum<Exclude<T, null>> ? {
    enum: EnumString<Exclude<T, null>>[];
} : true extends IsElements<Exclude<T, null>> ? T extends readonly (infer E)[] ? {
    elements: JTDSchemaType<E, D>;
} : never : true extends IsEmptyRecord<Exclude<T, null>> ? {
    properties: Record<string, never>;
    optionalProperties?: Record<string, never>;
} | {
    optionalProperties: Record<string, never>;
} : true extends IsValues<Exclude<T, null>> ? T extends Record<string, infer V> ? {
    values: JTDSchemaType<V, D>;
} : never : true extends IsRecord<Exclude<T, null>, false> ? ([RequiredKeys<Exclude<T, null>>] extends [never] ? {
    properties?: Record<string, never>;
} : {
    properties: {
        [K in RequiredKeys<T>]: JTDSchemaType<T[K], D>;
    };
}) & ([OptionalKeys<Exclude<T, null>>] extends [never] ? {
    optionalProperties?: Record<string, never>;
} : {
    optionalProperties: {
        [K in OptionalKeys<T>]: JTDSchemaType<Exclude<T[K], undefined>, D>;
    };
}) & {
    additionalProperties?: boolean;
} : true extends IsRecord<Exclude<T, null>, true> ? {
    [K in keyof Exclude<T, null>]-?: Exclude<T, null>[K] extends string ? {
        discriminator: K;
        mapping: {
            [M in Exclude<T, null>[K]]: JTDSchemaType<Omit<T extends Record<K, M> ? T : never, K>, D>;
        };
    } : never;
}[keyof Exclude<T, null>] : never) & (null extends T ? {
    nullable: true;
} : {
    nullable?: false;
}))) & {
    metadata?: Record<string, unknown>;
    definitions?: {
        [K in keyof D]: JTDSchemaType<D[K], D>;
    };
};
type JTDDataDef<S, D extends Record<string, unknown>> = // ref
(S extends {
    ref: string;
} ? D extends {
    [K in S["ref"]]: infer V;
} ? JTDDataDef<V, D> : never : S extends {
    type: NumberType;
} ? number : S extends {
    type: "boolean";
} ? boolean : S extends {
    type: "string";
} ? string : S extends {
    type: "timestamp";
} ? string | Date : S extends {
    enum: readonly (infer E)[];
} ? string extends E ? never : [E] extends [string] ? E : never : S extends {
    elements: infer E;
} ? JTDDataDef<E, D>[] : S extends {
    properties: Record<string, unknown>;
    optionalProperties?: Record<string, unknown>;
    additionalProperties?: boolean;
} ? {
    -readonly [K in keyof S["properties"]]-?: JTDDataDef<S["properties"][K], D>;
} & {
    -readonly [K in keyof S["optionalProperties"]]+?: JTDDataDef<S["optionalProperties"][K], D>;
} & ([S["additionalProperties"]] extends [true] ? Record<string, unknown> : unknown) : S extends {
    properties?: Record<string, unknown>;
    optionalProperties: Record<string, unknown>;
    additionalProperties?: boolean;
} ? {
    -readonly [K in keyof S["properties"]]-?: JTDDataDef<S["properties"][K], D>;
} & {
    -readonly [K in keyof S["optionalProperties"]]+?: JTDDataDef<S["optionalProperties"][K], D>;
} & ([S["additionalProperties"]] extends [true] ? Record<string, unknown> : unknown) : S extends {
    values: infer V;
} ? Record<string, JTDDataDef<V, D>> : S extends {
    discriminator: infer M;
    mapping: Record<string, unknown>;
} ? [M] extends [string] ? {
    [K in keyof S["mapping"]]: JTDDataDef<S["mapping"][K], D> & {
        [KM in M]: K;
    };
}[keyof S["mapping"]] : never : unknown) | (S extends {
    nullable: true;
} ? null : never);
export type JTDDataType<S> = S extends {
    definitions: Record<string, unknown>;
} ? JTDDataDef<S, S["definitions"]> : JTDDataDef<S, Record<string, never>>;
export {};