Function handleColumns

drizzle-zod/src/schema.ts:19–64

(
	columns: Record<string, any>,
	refinements: Record<string, any>,
	conditions: Conditions,
	factory?: CreateSchemaFactoryOptions<
		Partial<Record<'bigint' | 'boolean' | 'date' | 'number' | 'string', true>> | true | undefined
	>,
)

}

function handleColumns(
	columns: Record<string, any>,
	refinements: Record<string, any>,
	conditions: Conditions,
	factory?: CreateSchemaFactoryOptions<
		Partial<Record<'bigint' | 'boolean' | 'date' | 'number' | 'string', true>> | true | undefined
	>,
): z.ZodType {
	const columnSchemas: Record<string, z.ZodType> = {};

	for (const [key, selected] of Object.entries(columns)) {
		if (!is(selected, Column) && !is(selected, SQL) && !is(selected, SQL.Aliased) && typeof selected === 'object') {
			const columns = isTable(selected) || isView(selected) ? getColumns(selected) : selected;
			columnSchemas[key] = handleColumns(columns, refinements[key] ?? {}, conditions, factory);
			continue;
		}

		const refinement = refinements[key];
		if (refinement !== undefined && typeof refinement !== 'function') {
			columnSchemas[key] = refinement;
			continue;
		}

		const column = is(selected, Column) ? selected : undefined;
		const schema = column ? columnToSchema(column, factory) : z.any();
		const refined = typeof refinement === 'function' ? refinement(schema) : schema;

		if (conditions.never(column)) {
			continue;
		} else {
			columnSchemas[key] = refined;
		}

		if (column) {
			if (conditions.nullable(column)) {
				columnSchemas[key] = columnSchemas[key]!.nullable();
			}

			if (conditions.optional(column)) {
				columnSchemas[key] = columnSchemas[key]!.optional();
			}
		}
	}

	return z.object(columnSchemas) as any;
}

function handleEnum(
	enum_: PgEnum<any>,