Tree.es6 Remove. Add sibling node to BFS queue #6
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Splice changes array.length and shifts remaining elements 1 place.
Test:
const tree = new Tree();
tree.add('ceo');
tree.add('cto1', 'ceo');
tree.add('cto2', 'ceo');
tree.add('cto3', 'ceo');
tree.add('dev1', 'cto1');
tree.add('dev2', 'cto1');
tree.add('dev3', 'cto1');
tree.add('dev2', 'dev3');
tree.add('dev1', 'cto2');
tree.add('dev2', 'cto2');
tree.add('dev3', 'cto2');
tree.add('dev1', 'cto3');
tree.add('dev2', 'cto3');
tree.add('dev3', 'cto3');
tree.printByLevel();
tree.remove('dev2');
tree.printByLevel();
Current: dev2 lingers as a child of dev3. mentor/mentee relationship.
Change: dev2 is removed