Sentence Capitalization

Author: Tittoh

README.md

@@ -10,3 +10,4 @@ Once inside, run the command below:
 1. String reversal
 2. Vowels counter
 3. Most recurring character
+4. Sentence Capitalization

src/capSentence/index.js

@@ -0,0 +1,14 @@
+// pick a solution and insert here to run the test.
+
+function capSentence(text) {
+    let wordsArray = text.toLowerCase().split(' ')
+    
+    let capsArray = wordsArray.map( word=>{
+      return  word.replace(word[0], word[0].toUpperCase())
+    })
+  
+    return capsArray.join(' ')
+  }
+
+  module.exports = capSentence;
+  

src/capSentence/solutions.js

@@ -0,0 +1,38 @@
+// USING A FOREACH LOOP
+function capSentence(text) {
+    let wordsArray = text.toLowerCase().split(' ')
+    let capsArray = []
+
+    wordsArray.forEach(word => {
+        capsArray.push(word[0].toUpperCase() + word.slice(1))
+    });
+
+    return capsArray.join(' ')
+}
+
+
+// USING .MAP() AND .SLICE()
+
+function capSentence(text) {
+    let wordsArray = text.toLowerCase().split(' ')
+    let capsArray = wordsArray.map(word=>{
+        return word[0].toUpperCase() + word.slice(1)
+    })
+
+    return capsArray.join(' ')
+}
+
+
+// USING .MAP() AND .REPLACE()
+
+
+function capSentence(text) {
+    let wordsArray = text.toLowerCase().split(' ')
+    
+    let capsArray = wordsArray.map( word=>{
+      return  word.replace(word[0], word[0].toUpperCase())
+    })
+  
+    return capsArray.join(' ')
+  }
+  

src/capSentence/test.js

@@ -0,0 +1,23 @@
+const capSentence = require('./index')
+
+test('capSentence is a function', () => {
+  expect(typeof capSentence).toEqual('function')
+})
+
+test('capitalizes the first letter of each word in a lowercase sentence', () => {
+  expect(capSentence('i must confess, this is so much fun.')).toEqual(
+    'I Must Confess, This Is So Much Fun.'
+  )
+})
+
+test('capitalizes the first letter of each word in an uppercase sentence', () => {
+  expect(capSentence('THIS ONE IS FOR SCOTCH.')).toEqual(
+    'This One Is For Scotch.'
+  )
+})
+
+test('capitalizes the first letter of each word in mixed cased sentences', () => {
+  expect(capSentence('i woulD lOVe to spEAk at jsconF.')).toEqual(
+    'I Would Love To Speak At Jsconf.'
+  )
+})