const logicExpression = 'a AND b OR c';

    const bracketTree = new BracketTree(logicExpression);
    const logicTree = new LogicTree(bracketTree.nodes, bracketTree.text).getAst();

    console.log(logicTree);
    
    {
      name: 'node0',
      content: 'a AND b OR c',
      orParams: [{
        text: 'a AND b',
        andParams: [{ name: 'a' }, { name: 'b' }]
      }, {
        text: 'c',
        andParams: [{ name: 'c' }]
      }]
    }