From 6f8ed6d1b9355508d40b6fb1e7dfd8f4c2522954 Mon Sep 17 00:00:00 2001
From: Denys Kozachok <denys.kozachok@gmail.com>
Date: Tue, 18 Feb 2025 13:21:40 -0800
Subject: [PATCH] Lesson 7: type script

---
 package.json                   |  2 +-
 src/lesson7/arrow-functions.ts | 11 +++++++++++
 src/lesson7/functions.ts       | 16 ++++++++++++++++
 tsconfig.json                  |  7 ++++---
 4 files changed, 32 insertions(+), 4 deletions(-)
 create mode 100644 src/lesson7/arrow-functions.ts
 create mode 100644 src/lesson7/functions.ts

diff --git a/package.json b/package.json
index 8fc014a..dafff0f 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "dist/index.js",
   "scripts": {
     "lint": "eslint src/",
-    "build": "npm run lint"
+    "build": "tsc"
   },
   "devDependencies": {
     "@eslint/js": "^9.19.0",
diff --git a/src/lesson7/arrow-functions.ts b/src/lesson7/arrow-functions.ts
new file mode 100644
index 0000000..9516056
--- /dev/null
+++ b/src/lesson7/arrow-functions.ts
@@ -0,0 +1,11 @@
+const sumArrayArrow = (arr: (number | string)[]): number => {
+    return arr.reduce((acc, item) => acc + Number(item), 0);
+};
+
+// Приклади масивів
+const numberArray2: number[] = [1, 2, 3, 4];
+const stringArray2: string[] = ["10", "20", "30"];
+
+// Виклики стрілочної функції та виведення результатів
+console.log("Sum of numberArray2 =", sumArrayArrow(numberArray2));  // 10
+console.log("Sum of stringArray2 =", sumArrayArrow(stringArray2));  // 60
diff --git a/src/lesson7/functions.ts b/src/lesson7/functions.ts
new file mode 100644
index 0000000..590fe89
--- /dev/null
+++ b/src/lesson7/functions.ts
@@ -0,0 +1,16 @@
+function sumArray(arr: (number | string)[]): number {
+    let total = 0;
+    for (const item of arr) {
+        // Перетворюємо кожен елемент у число
+        total += typeof item === "number" ? item : Number(item);
+    }
+    return total;
+}
+
+// Приклади масивів
+const numberArray: number[] = [10, 20, 30];
+const stringArray: string[] = ["5", "15", "25"];
+
+// Виклики функції та виведення результатів у консоль
+console.log("Sum of numberArray =", sumArray(numberArray));   // 60
+console.log("Sum of stringArray =", sumArray(stringArray));   // 45
diff --git a/tsconfig.json b/tsconfig.json
index 1efdceb..e8c39f1 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,11 +2,12 @@
   "compilerOptions": {
     "target": "es2016",
     "module": "commonjs",
+    "rootDir": "src",
+    "outDir": "dist",
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "strict": true,
-    "skipLibCheck": true,
-    "outDir": "dist"
+    "skipLibCheck": true
   },
   "include": ["src"]
-}
+}
\ No newline at end of file