[Jest config for debugging TypeScript tests in Visual Studio Code] #vscode #jest #typescript

.vscode__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": [
        {
            "type": "node",
            "request": "launch",
            "name": "Debug Jest e2e Tests",
            "cwd": "${workspaceFolder}",
            "args": [
                "--inspect-brk",
                "${workspaceRoot}/node_modules/.bin/jest",
                "--runInBand",
                "--config",
                "${workspaceRoot}/test/jest-e2e.json"
            ],
            "windows": {
                "args": [
                    "--inspect-brk",
                    "${workspaceRoot}/node_modules/jest/bin/jest.js",
                    "--runInBand",
                    "--config",
                    "${workspaceRoot}/test/jest-e2e.json"
                ],
            },
            "console": "integratedTerminal",
            "internalConsoleOptions": "neverOpen"
        }
    ]
}

test__jest.config.json

{
    "moduleFileExtensions": ["js", "json", "ts"],
    "rootDir": "..",
    "testEnvironment": "node",
    "testRegex": ".e2e-spec.ts$",
    "transform": {
        "^.+\\.(t|j)s$": "ts-jest"
    },
    "moduleNameMapper": {
        "@/(.*)": "<rootDir>/src/$1"
    }
}

tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "allowSyntheticDefaultImports": true,
    "baseUrl": ".",
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "module": "commonjs",
    "moduleResolution": "node",
    "noImplicitAny": false,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "outDir": "./dist",
    "preserveConstEnums": true,
    "removeComments": false,
    "resolveJsonModule": true,
    "rootDir": ".",
    "sourceMap": true,
    "strictNullChecks": true,
    "target": "es2017",
    "typeRoots": [
      "node_modules/@types"
    ],
    "paths": {
      "@/*": [
        "src/*"
      ]
    }
  },
  "exclude": [
    "node_modules",
    "dist",
    "deploy"
  ],
  "compileOnSave": false
}