2020-10-05 17:03:56 -03:00
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/**
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2022-03-02 11:13:01 +06:00
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* @function checkWordOccurrence
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* @description - this function count all the words in a sentence and return an word occurrence object
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* @param {string} str
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* @param {boolean} isCaseSensitive
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* @returns {Object}
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*/
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2020-10-05 17:03:56 -03:00
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const checkWordOccurrence = (str, isCaseSensitive = false) => {
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2020-10-06 00:08:52 -03:00
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if (typeof str !== 'string') {
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throw new TypeError('The first param should be a string')
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}
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2022-03-02 11:13:01 +06:00
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2020-10-06 00:08:52 -03:00
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if (typeof isCaseSensitive !== 'boolean') {
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throw new TypeError('The second param should be a boolean')
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}
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2020-10-05 17:03:56 -03:00
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2022-03-02 11:13:01 +06:00
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const modifiedStr = isCaseSensitive ? str.toLowerCase() : str
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2020-10-05 17:03:56 -03:00
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2022-03-02 11:13:01 +06:00
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return modifiedStr
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.split(/\s+/) // remove all spaces and distribute all word in List
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.reduce(
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(occurrence, word) => {
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occurrence[word] = occurrence[word] + 1 || 1
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return occurrence
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},
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{}
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)
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2020-10-05 17:03:56 -03:00
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}
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2022-03-02 11:13:01 +06:00
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2020-10-06 00:08:52 -03:00
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export { checkWordOccurrence }
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