feat: completed lesson_07/hw #b

Author: NelltheWiz

lesson_07/conditionals/Chutt_lesson07

@@ -0,0 +1,70 @@
+/**
+ * Returns true if the given year is a leap year, otherwise false.
+ *
+ * @param year
+ * @returns
+ */
+export function isLeapYear(year: number): boolean {
+  // To determine a leap year, it has to be divisible by 4.
+  if (year % 4 === 0) {
+    return true;
+  }
+
+  if (year % 100 === 0) {
+    return false;
+  }
+
+  if (year % 400 === 0) {
+    return true;
+  }
+
+  return false;
+}
+
+/**
+ * Returns whether the given number is even or odd.
+ *
+ * @param num
+ * @returns
+ */
+// To determine if anumber is even is has to be divisible by 2 with no remainder.
+// To determine if a number is odd, it will not be divisible by 2 evenly.
+export function isEvenOrOdd(num: number): string {
+  return "";
+  if (num % 2 === 0) {
+    return "even";
+  }
+  if (num % 3 === 0) {
+    return "odd";
+  }
+}
+
+/**
+ * Returns whether a word contains a vowel or not.
+ *
+ * @param word
+ * @returns
+ */
+// If any word contains a vowel, it will render true.
+// If a word does not contain a vowel, it will render false.
+
+export function hasVowel(word: string): boolean {
+  const lowerCaseword = word.toLowerCase();
+  if (lowerCaseword.includes("a")) {
+    return true;
+  }
+  if (lowerCaseword.includes("e")) {
+    return true;
+  }
+  if (lowerCaseword.includes("i")) {
+    return true;
+  }
+  if (lowerCaseword.includes("o")) {
+    return true;
+  }
+  if (lowerCaseword.includes("u")) {
+    return true;
+  } else {
+    return false;
+  }
+}