diff --git a/.editorconfig b/.editorconfig
index 805499f..9e4389f 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,5 +12,13 @@ insert_final_newline = true
 indent_style = space
 indent_size = 2
 
+[*.json]
+indent_style = tab
+indent_size = 4
+
+[package.json]
+indent_style = space
+indent_size = 2
+
 [*.md]
 trim_trailing_whitespace = false
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..83f354a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+jsdoc/
+package-lock.json
diff --git a/code.js b/code.js
index ed4e87f..429871f 100644
--- a/code.js
+++ b/code.js
@@ -23,7 +23,7 @@ function getData(value) {
   // для металлических карточек нет параметра 'карточек выпадет'
   let cardsDropLeft = 0;
   if (value.getElementsByClassName('progress_info_bold')[0]) {
-    let cardsDropLeft = value.getElementsByClassName('progress_info_bold')[0].match(/\d/g);
+    cardsDropLeft = value.getElementsByClassName('progress_info_bold')[0].match(/\d/g);
   }
 
   let badgeItem = {
@@ -51,7 +51,7 @@ function getBadges() {
   let badges = [];
   const collection = document.getElementsByClassName('badge_row');
 
-  for (const [key, value] of Object.entries(collection)) {
+  for (const value of Object.entries(collection)) {
     badges.push(getData(value));
   }
 
diff --git a/jsdoc.json b/jsdoc.json
new file mode 100644
index 0000000..6d61b47
--- /dev/null
+++ b/jsdoc.json
@@ -0,0 +1,11 @@
+{
+	"source": {
+		"include": ["code.js"]
+	},
+	"opts": {
+        "template": "node_modules/clean-jsdoc-theme",
+        "encoding": "utf8",
+        "destination": "./jsdoc/",
+        "recurse": false
+    }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..4663461
--- /dev/null
+++ b/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "steambadges",
+  "description": "",
+  "version": "0.1.0",
+  "scripts": {
+    "generate-docs": "jsdoc --configure jsdoc.json --verbose"
+  },
+  "devDependencies": {
+    "clean-jsdoc-theme": "^4.2.2",
+    "jsdoc": "^4.0.0"
+  },
+  "author": "Alexander Popov",
+  "license": "Unlicense"
+}