Function isDataFieldReference

packages/language/src/utils.ts:149–151

(node: AstNode)

 * Determines if the given expression is a reference to a data field.
 */
export function isDataFieldReference(node: AstNode): node is ReferenceExpr {
    return isReferenceExpr(node) && isDataField(node.target.ref);
}

/**
 * Returns if the given field is a relation field.