/// <reference types="./group-by-parser.d.ts" />
import { GroupByItemNode } from '../operation-node/group-by-item-node.js';
import { expressionBuilder, } from '../expression/expression-builder.js';
import { isFunction } from '../util/object-utils.js';
import { parseReferenceExpressionOrList, } from './reference-parser.js';
export function parseGroupBy(groupBy) {
    groupBy = isFunction(groupBy) ? groupBy(expressionBuilder()) : groupBy;
    return parseReferenceExpressionOrList(groupBy).map(GroupByItemNode.create);
}