Class 3 data

02week/pigLatin.js

@@ -7,12 +7,54 @@ const rl = readline.createInterface({
   output: process.stdout
 });
 
+function pigLatin(a) {
+  // make input lowercase and trim it:
+  let word = a.toLowerCase().trim();
+  // define array containing vowels:
+  const vowels = ['a', 'e', 'i', 'o', 'u'];
+  // use a for loop to iterate through the letters of the word:
+  for ( let i = 0; i <= word.length; i++ ) {
+    //use a for loop to iterate through the vowels in the array:
+    for ( let v = 0; v <= vowels.length; v++ ) {
+      // if the first letter in the word is not a vowel, find the first vowel by checking each letter of the input word against each vowel within the array:
+      if ( word[0] !== vowels[v] ) {
+        // if the first vowel is 'u' check if it has a 'q' before it and if so split the word after the 'u':
+        if ( word[i] == 'u' && word[i - 1] == 'q') {
+          return word = word.substring(i+1) + word.substring(0, (i+1)) + 'ay';
+        }
+        // otherwise just split the word at the first vowel and make the new pig latin word:
+        else if ( word[i] == vowels[v] ) {
+          return word = word.substring(i) + word.substring(0, i) + 'ay';
+        }
+      }
+      // or else if the first letter in the word is a vowel:
+      else return word + 'yay';
+    }
+  }
+}
 
-function pigLatin(word) {
-
-  // Your code here
+//   vvv   !!!   Alternate method with regex   !!!   vvv   !!!   vvv   !!!   Alternate method with regex   !!! vvv
+/*
+function pigLatin(a) {
 
+  // make input lowercase and trim it:
+  let word = a.toLowerCase().trim();
+  // define search letters (vowels) as a variable:
+  let regex = /[aeiou]/;
+  // check if first letter is a vowel, and if so append 'yay' and return the new piglatin word:
+  if (word[0].match(regex)){
+    // make piglatin word & return it:
+    return word = word + 'yay';
+  } 
+  // or if the word starts with a consonant(s) then split the word at the first vowel, move the beginning of the word to the end and append 'ay', then return the new piglatin word:
+  else {
+    // get the index number of the first vowel in the word:
+    let indexedVowel = word.indexOf(word.match(regex));
+    // make the new word equal to a substring of the input beginning at the index number of the first vowel, plus a substring of the input beginning at 0 which ends at the index number of the first vowel, plus 'ay', then return it:
+    return word = word.substring(indexedVowel) + word.substring(0, indexedVowel) + 'ay';
+  }
 }
+*/
 
 
 function getPrompt() {