Commit 8145934

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Vowels counter

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`@@ -8,3 +8,4 @@ Once inside, run the command below:`
`8`	`8`	```npm run test <folder name>```
`9`	`9`
`10`	`10`	`1. String reversal`
	`11`	`+2. Vowels counter`

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	`1`	`+// pick a solution and insert here to run the test.`
	`2`	`+`
	`3`	`+`
	`4`	`+function vowelsCounter(text) {`
	`5`	`+ // Search text with Regex and store all matching instances`
	`6`	`+ let matchingInstances = text.match(/[aeiou]/gi);`
	`7`	`+`
	`8`	`+ // Check if matching instances exist then calculate length`
	`9`	`+ if (matchingInstances) {`
	`10`	`+ // Return number of vowels`
	`11`	`+ return matchingInstances.length`
	`12`	`+ } else {`
	`13`	`+ return 0`
	`14`	`+ }`
	`15`	`+}`
	`16`	`+`
	`17`	`+module.exports = vowelsCounter;`

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`@@ -0,0 +1,34 @@`
	`1`	`+// ITERATIVE APPROACH`
	`2`	`+const vowels = ["a", "e", "i", "o", "u"]`
	`3`	`+`
	`4`	`+`
	`5`	`+function vowelsCounter(text) {`
	`6`	`+ // Initialize counter`
	`7`	`+ let counter = 0;`
	`8`	`+`
	`9`	`+`
	`10`	`+ // Loop through text to test if each character is a vowel`
	`11`	`+ for (let letter of text.toLowerCase()) {`
	`12`	`+ if (vowels.includes(letter)) {`
	`13`	`+ counter++`
	`14`	`+ }`
	`15`	`+ }`
	`16`	`+`
	`17`	`+ // Return number of vowels`
	`18`	`+ return counter`
	`19`	`+}`
	`20`	`+`
	`21`	`+// REGULAR EXPRESSIONS`
	`22`	`+`
	`23`	`+function vowelsCounter(text) {`
	`24`	`+ // Search text with Regex and store all matching instances`
	`25`	`+ let matchingInstances = text.match(/[aeiou]/gi);`
	`26`	`+`
	`27`	`+ // Check if matching instances exist then calculate length`
	`28`	`+ if (matchingInstances) {`
	`29`	`+ // Return number of vowels`
	`30`	`+ return matchingInstances.length`
	`31`	`+ } else {`
	`32`	`+ return 0`
	`33`	`+ }`
	`34`	`+}`

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	`1`	`+const vowelsCounter = require('./index');`
	`2`	`+`
	`3`	`+test('vowelsCounter is a function', () => {`
	`4`	`+ expect(typeof vowelsCounter).toEqual('function');`
	`5`	`+});`
	`6`	`+`
	`7`	`+test('returns the number of vowels found', () => {`
	`8`	`+ expect(vowelsCounter('aeiou')).toEqual(5);`
	`9`	`+});`
	`10`	`+`
	`11`	`+test('returns the number of vowels found when string is capitalized', () => {`
	`12`	`+ expect(vowelsCounter('AEIOU')).toEqual(5);`
	`13`	`+});`
	`14`	`+`
	`15`	`+test('returns the number of vowels found when all alphabets are passed in', () => {`
	`16`	`+ expect(vowelsCounter('abcdefghijklmnopqrstuvwxyz')).toEqual(5);`
	`17`	`+});`
	`18`	`+`
	`19`	`+test('returns the number of vowels found when string has mixed capitalization', () => {`
	`20`	`+ expect(vowelsCounter('Abcdegfizzjbhso')).toEqual(4);`
	`21`	`+});`

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