Commit 9793691

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Throw error for invalid argument

1 parent f920a4f commit 9793691Copy full SHA for 9793691

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Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`const Trie = require('../index');`
	`2`	`+const TrieNode = require('../Node');`
`2`	`3`
`3`	`4`	`function getAllUniqueWords(root, level, word) {`
`4`	`5`	`let result = [];`
`@@ -24,6 +25,9 @@ function getAllUniqueWords(root, level, word) {`
`24`	`25`	`}`
`25`	`26`
`26`	`27`	`function allUniqueWordsFromTrie(root) {`
	`28`	`+ if (!(root instanceof TrieNode)) {`
	`29`	`+ throw new Error('Invalid argument: Root of Trie is required');`
	`30`	`+ }`
`27`	`31`	`const word = []; // char arr to store a word`
`28`	`32`	`for (let i = 0; i < 26; i += 1) {`
`29`	`33`	`word[i] = null;`

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