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VS Code - debug js file with Node.js

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Created by:
Greg
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In this short article, we would like to show you how debug JavaScript file with Node.js in VS Code.

The below example shows how to configure VS Code via launch.json file to debug my_script.js file Node.js.

Note: if the green button is not available try to create .vscode/launch.json file manually.

The way how to debug js file with Node.js.
The way how to debug js file with Node.js.

Project structure:

/C/
 |
 +-- Project/
      |
      +-- .vscode/
      |    |
      |    +-- launch.json
      |
      +-- my_script.js

Example .vscode/launch.json config content:

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "My Script",
            "program": "my_script.js"
        }
    ]
}

 

Multiple configurations with different arguments

This section shows how to use multiple configurations with passed different arguments.

To pass arguments from command line it is necessary to execute:

node my_script.js "arg_1" "arg_2" "arg_3" "arg_N"

In debug mode is similar, it is necessary just to add "args" property inside launch.json file, e.g.

"args": ["arg_1", "arg_2", "arg_3", "arg_N"]

Example .vscode/launch.json config file:

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "My Script - John/Secret_1@345",
            "program": "my_script.js",
            "args": ["John", "Secret_1@345"]
        },
        {
            "type": "node",
            "request": "launch",
            "name": "My Script - admin/admin",
            "program": "my_script.js",
            "args": ["admin", "admin"]
        }
    ]
}

See also

  1. VS Code - debug with npm run 

Visual Studio Code

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