Revive the project

- Fix login (with MFA)
- Download single course
- Massive code refactor
- New tools (latest node, eslint, pnpm etc)

.eslintrc.json

@@ -0,0 +1,21 @@
+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "semi": ["error"]
+    }
+}

.vscode/launch.json

@@ -14,7 +14,10 @@
             "skipFiles": [
                 "${workspaceFolder}/node_modules/**/*.js",
                 "<node_internals>/**"
-            ]
+            ],
+            "env": {
+                "NODE_PATH": "."
+            }
         },
     ]
 }

README.md

@@ -1,9 +1,5 @@
-# !! Discontinued !!
-
-<br>
-
 ## [😍 SUPPORT](https://www.educative.io?aff=xkwW)
- Help maintaning this project by showing your support. Use **[this affiliate link](https://www.educative.io?aff=xkwW)** for future purchase.
+Help maintaning this project by showing your support. Use **[this affiliate link](https://www.educative.io?aff=xkwW)** for future purchase.
 
 ## ✉️ Description
 This tool is to download course from for later usage. It uses your login credentials and download the course.
@@ -12,36 +8,39 @@ This tool is to download course from for later usage. It uses your login credent
 - You need a subscription to use this.
 - Might not work in WSL
 
+# Prerequisite
+- Node.js (tested version: 20.10.0)
+- PNPM package manager
+
 ## 💡 Usage
-- Install typescript cli.
 - Clone the project and navigate into it.
-- `npm install` to install dependencies.
+- `pnpm install` to install dependencies.
 - Open ___config/default.json___ file to set configurations. (Email, Password, Course URL).
-- `npm run compile` to compile typescript.
-- `npm start` to start download.
+- `pnpm compile` to compile typescript.
+- `pnpm start` to start download.
 
 > IMPORTANT: If you make changes to the code, make sure to compile it.
 
 ## ⚙️ CONFIG
 Config file (___config/default.json___) has the following properties.
 - email: Your subscription email.
 - password: Your subscription password.
-- loginCheck: By default, before downloading a course we check if you are already logged in. If you are sure that you are already logged in then you can set this value to ___false___ to skip login check. Recommended value: `true`.
+- skipLogin: By default, before downloading a course we check if you are already logged in. If you are sure that you are already logged in then you can set this value to ___false___ to skip login check.
 - multiLanguage: A lesson can contains code snippets in multiple programming languages. Set this to `true` to download snippets in all available language. Default is `false`.
 - saveAs: Available options: ___`pdf` and `html`___. Default is ___`html`___.
 - headless: Browser mode. Default is `false`.
+- downloadAll: Download all available courses for the account
 
 > IMPORTANT: If you save as html it is actually gonna save as mhtml.
 
 
 ## 🛠 TROUBLESHOOT
 
 **NAVIGATION TIMEOUT (Or, some other timeout)?**
-- Open globals.ts and increase the value of `HTTP_REQUEST_TIMEOUT`. Default is 30000ms.
+- Open configuration.ts and increase the value of `_httpTimeout`. Default is 30000ms.
 
 **DOWNLOAD EMPTY PAGE?**
-- Verify your login credentials and set `loginCheck: true`.
-- Open ___browser.ts___ file and find `launchBrowser()` and set ` headless: false` to see live actions.
+- Verify your login credentials and set `skipLogin: true`.
 - Make sure you are logged in.
 
 **FORCE LOGIN? LOGIN TO ANOTHER ACCOUNT?**

config/default.json

@@ -1,10 +1,10 @@
 {
     "email": "[email protected]",
     "password": "yourPassword",
-    "loginCheck": true,
+    "skipLogin": true,
     "saveAs": "html",
     "multiLanguage": false,
-    "headless": true,
+    "headless": false,
     "courseUrl": "https://www.educative.io/courses/grokking-the-behavioral-interview",
-    "downloadAllCourses": false
+    "downloadAll": false
 }

package.json

@@ -1,22 +1,25 @@
 {
   "name": "educative.io-downloader",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "Download course from educative.io",
-  "main": "app.js",
+  "main": "build/app.js",
   "dependencies": {
-    "config": "^3.2.4",
-    "puppeteer": "^2.0.0"
+    "puppeteer": "^21.5.2"
   },
   "devDependencies": {
-    "@types/node": "^13.1.7",
-    "@types/puppeteer": "^2.0.0",
-    "@types/config": "^0.0.36"
+    "@types/config": "^3.3.3",
+    "@types/node": "^20.10.0",
+    "@typescript-eslint/eslint-plugin": "^6.13.2",
+    "@typescript-eslint/parser": "^6.13.2",
+    "cross-env": "^7.0.3",
+    "eslint": "^8.55.0",
+    "typescript": "^5.3.2"
   },
   "scripts": {
-    "start": "node build/src/app.js",
+    "start": "cross-env NODE_PATH=. node build/src/app.js",
     "dev": "nodemon build/src/app.js",
     "compile": "tsc -p .",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "compile:watch": "tsc -w"
   },
   "author": "Shihab Mridha",
   "license": "ISC"