@directus/api/dist/permissions/modules/process-payload/lib/is-field-nullable.js

Directus is a real-time API and App dashboard for managing SQL database content

import { GENERATE_SPECIAL } from '../../../../constants.js';
/**
 * Checks if a given field is allowed to be set to `null`.
 */
export function isFieldNullable(field) {
    if (field.nullable)
        return true;
    if (field.generated)
        return true;
    const hasGenerateSpecial = GENERATE_SPECIAL.some((name) => field.special.includes(name));
    return hasGenerateSpecial;
}