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group-anagrams solved
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group-anagrams/hsskey.js

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/**
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* @param {string[]} strs
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* @return {string[][]}
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*/
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var groupAnagrams = function(strs) {
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const map = new Map()
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for(const str of strs) {
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const sortedStr = [...str].sort().join('')
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if(map.has(sortedStr)) {
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map.get(sortedStr).push(str)
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} else {
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map.set(sortedStr, [str])
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}
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}
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return Array.from(map.values())
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};

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