LeetCode: Vowel Spellchecker Solution

1/**
2 * @param {string[]} wordlist
3 * @param {string[]} queries
4 * @return {string[]}
5 */
6var spellchecker = function (wordlist, queries) {
7 const vowelRegex = new RegExp("[aeiou]", "gi")
8 const replaceVowel = str => str.toLowerCase().replace(vowelRegex, "_")
9
10 const hashTable0 = wordlist.reduce(
11 (acc, word) => acc.set(word, word),
12 new Map()
13 )
14 const hashTable1 = wordlist.reduceRight(
15 (acc, word) => acc.set(word.toLowerCase(), word),
16 new Map()
17 )
18 const hashTable2 = wordlist.reduceRight(
19 (acc, word) => acc.set(replaceVowel(word), word),
20 new Map()
21 )
22
23 return queries.map(query => {
24 return (
25 hashTable0.get(query) ||
26 hashTable1.get(query.toLowerCase()) ||
27 hashTable2.get(replaceVowel(query)) ||
28 ""
29 )
30 })
31}

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