launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Launch Chrome",
      "type": "chrome",
      "request": "launch",
      "url": "http://localhost:8080/examples/test-cases",
      "webRoot": "${workspaceFolder}/dist",
      "preLaunchTask": "npm: start",
      "sourceMaps": true,
      "sourceMapPathOverrides": {
        "webpack:///src/*": "${workspaceFolder}/src/*"
      }
    },
    {
      "name": "Debug Jest Tests",
      "type": "node",
      "request": "launch",
      "runtimeArgs": [
        "--inspect-brk",
        "${workspaceRoot}/node_modules/.bin/jest",
        "test/markup.test.ts",
        "--runInBand"
      ],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen"
    },
    {
      "type": "node",
      "request": "launch",
      "name": "Jest Current File",
      "program": "${workspaceFolder}/node_modules/.bin/jest",
      "args": ["${relativeFile}", "--no-cache"],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen"
    }
  ]
}