dag-editor/index.js

import {Table} from './table.ts';
var table;
var leaves;
var rows;

rows = [
    ["a","1"],
    ["b","2"],
    ["a","3"],
    ["b","1"],
    ["a","2"],
    ["b","3"],
];

table = new Table("Root", rows);
table.PivotTree([0, 1]);
table.ItrLeaves( inLeaf => console.log(inLeaf) );

console.log(table, leaves);