2021-10-05 12:49:23 +05:30
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// Given a sentence, return the most occurring word
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2021-10-03 22:08:47 +07:00
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/**
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2021-10-05 12:49:23 +05:30
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* @param {string} sentence - the sentence you want to find the most occurring word
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* @returns {string} - the most occurring word
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2021-10-03 22:08:47 +07:00
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*
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* @example
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* - maxWord('lala lili lala'); // lala
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*/
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const maxWord = (sentence = '') => {
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if (typeof sentence !== 'string') {
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2021-10-05 12:49:23 +05:30
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throw new TypeError('the param should be string')
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2021-10-03 22:08:47 +07:00
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}
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if (!sentence) {
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return null
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}
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const words = sentence.split(' ')
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if (words.length < 2) {
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return words[0]
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}
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const occurrences = {}
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2023-10-03 23:08:19 +02:00
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words.forEach((word) => {
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occurrences[word.toLocaleLowerCase()] =
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occurrences[word.toLocaleLowerCase()] + 1 || 1
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2021-10-03 22:08:47 +07:00
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})
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2023-10-03 23:08:19 +02:00
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const max = Object.keys(occurrences).reduce(
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(n, word) => {
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if (occurrences[word] > n.count) {
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return { word, count: occurrences[word] }
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} else {
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return n
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}
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},
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{ word: '', count: 0 }
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)
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2021-10-03 22:08:47 +07:00
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return max.word
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}
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export { maxWord }
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