Pig Latin

Author: Tittoh

README.md

@@ -16,4 +16,4 @@ Once inside, run the command below:
 7. Longest Word In a Sentence
 8. Search and Replace
 9. Anagram
-
+10. Pig-latin

src/pigLatin/index.js

@@ -0,0 +1,28 @@
+function pigLatin(str) {
+    // Convert string to lowercase
+    str = str.toLowerCase()
+    // Initialize array of vowels
+    const vowels = ["a", "e", "i", "o", "u"];
+    // Initialize vowel index to 0
+    let vowelIndex = 0;
+  
+    if (vowels.includes(str[0])) {
+      // If first letter is a vowel
+      return str + "way";
+    } else {
+      // If the first letter isn't a vowel i.e is a consonant
+      for (let char of str) {
+        // Loop through until the first vowel is found
+        if (vowels.includes(char)) {
+          // Store the index at which the first vowel exists
+          vowelIndex = str.indexOf(char);
+          break;
+        }
+      }
+      // Compose final string
+      return str.slice(vowelIndex) + str.slice(0, vowelIndex) + "ay";
+    }
+  }
+
+  module.exports = pigLatin;
+  

src/pigLatin/solutions.js

@@ -0,0 +1,56 @@
+// IMPERATIVE APPROACH
+
+function pigLatin(str) {
+    // Convert string to lowercase
+    str = str.toLowerCase();
+    // Initialize array of vowels
+    const vowels = ["a", "e", "i", "o", "u"];
+    // Initialize vowel index to 0
+    let vowelIndex = 0;
+  
+    if (vowels.includes(str[0])) {
+      // If first letter is a vowel
+      return str + "way";
+    } else {
+      // If the first letter isn't a vowel i.e is a consonant
+      for (let char of str) {
+        // Loop through until the first vowel is found
+        if (vowels.includes(char)) {
+          // Store the index at which the first vowel exists
+          vowelIndex = str.indexOf(char);
+          break;
+        }
+      }
+      // Compose final string
+      return str.slice(vowelIndex) + str.slice(0, vowelIndex) + "ay";
+    }
+  }
+
+// DECLARATIVE APPROACH
+function pigLatin(str) {
+    return str
+    .replace(/^([aeiouy])(.*)/, '$1$2way')
+    .replace(/^([^aeiouy]+)(.*)/, '$2$1ay');
+}
+
+// FOR...OF LOOP
+
+function pigLatin(str){
+    const strArr = str.split('')
+    const isVowel = /[a,e,o,u,i]/gi
+    let result = str
+    if(!strArr[0].match(isVowel)){
+        for(let i = 0; i < strArr.length; i++){
+            if(!strArr[i].match(isVowel)){
+                result = result.slice(1) + strArr[i]
+            }
+            else {
+                result = result + 'ay'
+                console.log(result)
+                return result
+            }
+        }
+    } else {
+        return result + 'way'
+    }
+}