Function validationAfterImportMerge

packages/language/src/document.ts:210–246

(model: Model)

}

function validationAfterImportMerge(model: Model) {
    const errors: string[] = [];
    const dataSources = model.declarations.filter((d) => isDataSource(d));
    if (dataSources.length === 0) {
        errors.push('Validation error: schema must have a datasource declaration');
    } else {
        if (dataSources.length > 1) {
            errors.push('Validation error: multiple datasource declarations are not allowed');
        }
    }

    // at most one `@@auth` model
    const decls = getDataModelAndTypeDefs(model, true);
    const authDecls = decls.filter((d) => hasAttribute(d, '@@auth'));
    if (authDecls.length > 1) {
        errors.push('Validation error: Multiple `@@auth` declarations are not allowed');
    }

    // check for usages incompatible with the datasource provider
    const provider = getDataSourceProvider(model);
    invariant(provider !== undefined, 'Datasource provider should be defined at this point');

    for (const decl of model.declarations.filter(isDataModel)) {
        const fields = getAllFields(decl, true);
        for (const field of fields) {
            if (field.type.array && !isDataModel(field.type.reference?.ref)) {
                if (!DB_PROVIDERS_SUPPORTING_LIST_TYPE.includes(provider)) {
                    errors.push(
                        `Validation error: List type is not supported for "${provider}" provider (model: "${decl.name}", field: "${field.name}")`,
                    );
                }
            }
        }
    }

    return errors;
}

/**
 * Formats the given ZModel content.