launch.json

{
  "version": "0.2.0",
  "configurations": [
    // Note: The following launch configurations have the following traits:
    // - They require the dev server to run (-> `npm start`).
    // - They require ANY Edge/Chrome process to be closed. The browsers WILL NOT be started
    //   if they are already running.
    //   See https://stackoverflow.com/a/55505708 for details.
    {
      "name": "Launch Edge",
      "type": "msedge",
      "request": "launch",
      "url": "http://localhost:8080/index.html?sap-ui-xx-viewCache=false",
      "webRoot": "${workspaceFolder}/webapp",
      "userDataDir": false
    },
    {
      "name": "Launch Chrome",
      "type": "chrome",
      "request": "launch",
      "url": "http://localhost:8080/index.html?sap-ui-xx-viewCache=false",
      "webRoot": "${workspaceFolder}/webapp",
      "userDataDir": false
    }
  ]
}