init repo

code/Context.js

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

code/tree-logger.js

@@ -0,0 +1,5 @@
+const treeLogger = (tree, context) => {};
+
+module.exports = {
+    treeLogger
+};

package.json

@@ -0,0 +1,12 @@
+{
+  "name": "nodejs_tasks",
+  "version": "1.0.0",
+  "description": "",
+  "main": "task1.js",
+  "type": "commonjs",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC"
+}

task1.js

@@ -0,0 +1,13 @@
+const treeLogger = require("./code/tree-logger").treeLogger;
+const Context = require("./code/Context").Context;
+
+treeLogger({
+    "name": 1,
+    "items": [{
+        "name": 2,
+        "items": [{ "name": 3 }, { "name": 4 }]
+    }, {
+        "name": 5,
+        "items": [{ "name": 6 }]
+    }]
+}, new Context(false, 0));