Javascript helpers for hexlet courses

hexlet.js

const dump = (vars, label) => console.log(label ? label : 'dump', ':', vars);

// Or stringify
const dump = (vars, label = 'dump', prettyPrint = false) => {
  if (prettyPrint) {
    console.log(`${label}:`, JSON.stringify(vars, null, 3));
  } else {
    console.log(`${label}:`, vars);
  }
};

// OR for lists
const dump = function(vars, type, label) {
  label = label ? label : 'dump';
  if (type == 'h') {
    console.log(label, 'html:', toString(vars));

  } else if (type == 'l') {
    console.log(label, 'list:', listToString(vars)); // добавить import { toString as listToString } from 'hexlet-pairs-data'; 

  } else if (type == 'n') {
    console.log(label, 'name:', name(vars));

  } else if (type == 'v') {
    console.log(label, 'value:', value(vars));

  } else {
    console.log(label, ':', vars.toString());
  }
};

// dump for Tree
  print() {

    const iter = (tree, acc) => {

      if (!tree) {
        return acc;
      }

      let childsAcc = tree.getChildren().reduce((childAcc, child) => {
        childAcc.push(iter(child, {}));
        return childAcc;
      }, []);

      acc[tree.getKey()] = childsAcc;
      return acc;
    };

    let res = iter(this.tree, {});

    dump(res, 'Tree', true);
  }