Merge pull request 'task_1' (#1) from task_1 into main

Reviewed-on: #1

code/Context.js

@@ -0,0 +1,10 @@
+class Context {
+    constructor(level = 0, isLast = false) {
+        this.level = level;
+        this.isLast = isLast;
+    }
+}
+
+module.exports = {
+    Context,
+}

code/tree-logger.js

@@ -1,4 +1,39 @@
-const treeLogger = (tree, context) => {};
+const {Context} = require("./Context");
+const treeLogger = (tree, context) => {
+    if (context.level === 0) {
+        console.log(tree.name);
+
+        if (tree.items) {
+            for (let i = 0; i < tree.items.length; ++i) {
+                const subtree = tree.items[i];
+                const lastIndex = tree.items.length - 1;
+                const ctx = new Context(context.level + 1, (i === lastIndex));
+
+                treeLogger(subtree, ctx);
+            }
+        }
+    } else if (context.level === 1) {
+        const rootChar = context.isLast ? '└ ' : '├ ';
+        console.log(rootChar + tree.name);
+        if (tree.items) {
+            for (let i = 0; i < tree.items.length; ++i) {
+                const subtree = tree.items[i];
+                const lastIndex = tree.items.length - 1;
+                const ctx = new Context(context.level + 1, (i === lastIndex));
+
+                treeLogger(subtree, ctx);
+            }
+        }
+    } else {
+        let print = ''
+        while (--context.level) {
+            print += '|'
+        }
+
+        print += (context.isLast ? '└ ' : '├ ');
+        console.log(print + tree.name);
+    }
+};
 
 module.exports = {
     treeLogger

task1.js

@@ -10,4 +10,4 @@ treeLogger({
         "name": 5,
         "items": [{ "name": 6 }]
     }]
-}, new Context(false, 0));
+}, new Context());