piglatin

02week/pigLatin.js

@@ -1,51 +1,101 @@
-'use strict';
+"use strict";
 
-const assert = require('assert');
-const readline = require('readline');
+const assert = require("assert");
+const readline = require("readline");
 const rl = readline.createInterface({
   input: process.stdin,
   output: process.stdout
 });
 
+//RULES OF PIG LATIN:
+//if starts with a vowel add "yay" to end
+//if word does not have a vowel add "ay" to the end
+//if word has vowel, split word before first vowel, switch halves, and add "ay" to the end
 
 function pigLatin(word) {
+  word = word.trim().toLowerCase(); //sets word to lowercase
+  let vowels = ["a", "e", "i", "o", "u"]; //array is created to compare with characters of word
+  let i; //variables are declared to run tests
+  let hasvowel = false;
+  let substring;
 
-  // Your code here
+  if (
+    //tests to see if first character of word is vowel
+    word[0] == vowels[0] ||
+    word[0] == vowels[1] ||
+    word[0] == vowels[2] ||
+    word[0] == vowels[3] ||
+    word[0] == vowels[4]
+  ) {
+    word = word.concat("yay");
+    hasvowel = true;
+  } else {
+    //runs if first character is not a vowerl
+    for (i = 0; i < word.length && hasvowel == false; i++) {
+      if (
+        //tests to see if any character in string is a vowel
+        word[i] == vowels[0] ||
+        word[i] == vowels[1] ||
+        word[i] == vowels[2] ||
+        word[i] == vowels[3] ||
+        word[i] == vowels[4]
+      ) {
+        //if test returns true substring gets valued assigned and is concated to word. Word is then sliced as needed and concated with 'ay'
+        substring = word.substring(0, i);
+        word = word.concat(substring);
+        word = word.slice(i, word.length);
+        word = word.concat("ay");
+        hasvowel = true;
+      }
+    }
+    for (i = 0; i < word.length && hasvowel == false; i++) {
+      if (
+        //tests to see if no characters are vowels, which should run if the first two test return false. Will concate 'ay' if test returns true
+        word[i] !== vowels[0] &&
+        word[i] !== vowels[1] &&
+        word[i] !== vowels[2] &&
+        word[i] !== vowels[3] &&
+        word[i] !== vowels[4]
+      ) {
+        word = word.concat("ay");
+        hasvowel = true;
+      }
+    }
+  }
+  //modified word gets returned
+  return word;
 
+  // Your code here
 }
 
-
 function getPrompt() {
-  rl.question('word ', (answer) => {
-    console.log( pigLatin(answer) );
+  rl.question("word ", answer => {
+    console.log(pigLatin(answer));
     getPrompt();
   });
 }
 
 // Tests
 
-if (typeof describe === 'function') {
-
-  describe('#pigLatin()', () => {
-    it('should translate a simple word', () => {
-      assert.equal(pigLatin('car'), 'arcay');
-      assert.equal(pigLatin('dog'), 'ogday');
+if (typeof describe === "function") {
+  describe("#pigLatin()", () => {
+    it("should translate a simple word", () => {
+      assert.equal(pigLatin("car"), "arcay");
+      assert.equal(pigLatin("dog"), "ogday");
     });
-    it('should translate a complex word', () => {
-      assert.equal(pigLatin('create'), 'eatecray');
-      assert.equal(pigLatin('valley'), 'alleyvay');
+    it("should translate a complex word", () => {
+      assert.equal(pigLatin("create"), "eatecray");
+      assert.equal(pigLatin("valley"), "alleyvay");
     });
     it('should attach "yay" if word begins with vowel', () => {
-      assert.equal(pigLatin('egg'), 'eggyay');
-      assert.equal(pigLatin('emission'), 'emissionyay');
+      assert.equal(pigLatin("egg"), "eggyay");
+      assert.equal(pigLatin("emission"), "emissionyay");
     });
-    it('should lowercase and trim word before translation', () => {
-      assert.equal(pigLatin('HeLlO '), 'ellohay');
-      assert.equal(pigLatin(' RoCkEt'), 'ocketray');
+    it("should lowercase and trim word before translation", () => {
+      assert.equal(pigLatin("HeLlO "), "ellohay");
+      assert.equal(pigLatin(" RoCkEt"), "ocketray");
     });
   });
 } else {
-
   getPrompt();
-
 }