e 01bbba5f61 ts 10 months ago
..
lib 01bbba5f61 ts 10 months ago
LICENSE 01bbba5f61 ts 10 months ago
README.md 01bbba5f61 ts 10 months ago
package.json 01bbba5f61 ts 10 months ago

README.md

tree-dump

Prints a tree structure to the console. Can print a binary tree or a tree with any number of children.

Usage

Install

npm install tree-dump

Print a non-binary tree

import {printTree} from 'tree-dump';

const str = 'start' + printTree('', [
  (tab) => 'line 1',
  () => '',
  (tab) => 'line 2' + printTree(tab, [
    (tab) => 'line 2.1',
    (tab) => 'line 2.2',
  ])
  (tab) => 'line 3',
]);

console.log(str);
// start
// ├── line 1
// │
// ├── line 2
// │   ├── line 2.1
// │   └── line 2.2
// └── line 3

Print a binary tree

import {printBinary} from 'tree-dump';

const str =
  'Node' +
  printBinary('', [
    (tab) => 'left' + printBinary(tab, [
      () => 'left 1',
      () => 'right 1',
    ]),
    (tab) => 'right' + printBinary(tab, [
      () => 'left 2',
      () => 'right 2',
    ]),
  ]);

console.log(str);
// Node
// ← left
//   ← left 1
//   → right 1
// → right
//   ← left 2
//   → right 2