VS Code launch configuration to enable debugging Ember apps with Firefox. Requires Debugger for Firefox https://marketplace.visualstudio.com/items?itemName=hbenl.vscode-firefox-debug

launch.json

{
  "version": "0.2.0",
  "configurations": [{
    "name": "Launch Firefox",
    "type": "firefox",
    "request": "launch",
    "reAttach": true,
    "url": "http://localhost:4200",
    "pathMappings": [{
      "url": "http://localhost:4200/assets/YOUR-EMBER-APP-NAME",
      "path": "${workspaceFolder}/app"
    }]
  }]
}