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Fix TrieNode.addChild so substrings get marked as complete words (#177)

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This commit is contained in:
Kevin Brewer 2018-08-25 05:27:44 -05:00 committed by Oleksii Trekhleb
parent 872a38fac6
commit eac3e81a21
2 changed files with 7 additions and 1 deletions
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5
src/data-structures/trie/TrieNode.js
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@ -29,7 +29,10 @@ export default class TrieNode {
this.children.set(character, new TrieNode(character, isCompleteWord));
}
return this.children.get(character);
const childNode = this.children.get(character);
childNode.isCompleteWord = childNode.isCompleteWord || isCompleteWord;
return childNode;
}
/**

3
src/data-structures/trie/__test__/Trie.test.js
View File

@ -41,11 +41,14 @@ describe('Trie', () => {
trie.addWord('cat');
trie.addWord('cats');
trie.addWord('carpet');
trie.addWord('car');
trie.addWord('caption');
expect(trie.doesWordExist('cat')).toBe(true);
expect(trie.doesWordExist('cats')).toBe(true);
expect(trie.doesWordExist('carpet')).toBe(true);
expect(trie.doesWordExist('car')).toBe(true);
expect(trie.doesWordExist('cap')).toBe(false);
expect(trie.doesWordExist('call')).toBe(false);
});