fix(tree): preserve parent pointer in replaceChild#2117
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DeoJin wants to merge 1 commit intotrekhleb:masterfrom
Open
fix(tree): preserve parent pointer in replaceChild#2117DeoJin wants to merge 1 commit intotrekhleb:masterfrom
DeoJin wants to merge 1 commit intotrekhleb:masterfrom
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Summary
BinaryTreeNode.replaceChild()swaps a child referenceValidation
npx eslint src/data-structures/tree/BinaryTreeNode.js src/data-structures/tree/__test__/BinaryTreeNode.test.jsnpx -y @babel/node --presets @babel/preset-env -e "const assert = require('assert'); const BinaryTreeNode = require('./src/data-structures/tree/BinaryTreeNode').default; const root = new BinaryTreeNode(2); const oldRight = new BinaryTreeNode(3); const replacement = new BinaryTreeNode(5); oldRight.setRight(replacement); root.setRight(oldRight); assert.strictEqual(root.replaceChild(root.right, root.right.right), true); assert.strictEqual(root.right, replacement); assert.strictEqual(root.right.parent, root); console.log('binary-tree-replacechild-parent-ok');"Closes #1102.