JAVASCRIPT

set environment variable vscode

//.vscode/settings.json
"terminal.integrated.env.linux": {
  "PATH": "${env:PATH}:${workspaceRoot}/vendor/bin",
  "VAR_A": "Value of VAR_A",
  "VAR_B": "Value of VAR_B"
}

vscode read environment variables

{
  "type": "node",
  "request": "launch",
  "name": "Launch Program",
  "program": "${workspaceFolder}/app.js",
  "cwd": "${workspaceFolder}",
  "args": ["${env:USERNAME}"]
}