问Nestjs -在@nestjs/microservices依赖项中声明mocha类型的问题

EN

node_modules/@nestjs/microservices/external/redis.interface.d.ts:2:23 - error TS2688: Cannot find type definition file for 'mocha'.
2 /// <reference types="mocha" />
                        ~~~~~
Found 1 error.

node_modules/@types/jest/index.d.ts:27:13 - error TS2403: Subsequent variable declarations must have the same type.  Variable 'beforeEach' must be of type 'HookFunction', but here has type 'Lifecycle'.

27 declare var beforeEach: jest.Lifecycle;
...

[...]
"dependencies": {
    "@nestjs/common": "^6.0.5",
    "@nestjs/core": "^6.0.5",
    "@nestjs/mongoose": "^6.0.0",
    "@nestjs/graphql": "^6.2.1",
    "@nestjs/swagger": "^3.0.2",
    "@nestjs/terminus": "6.1.0",
    "@godaddy/terminus": "4.1.0",
    "app-root-path": "^2.2.1",
    "class-transformer": "^0.2.0",
    "class-validator": "^0.9.1",
    "codacy-coverage": "^3.1.0",
    "apollo-server-express": "^2.5.0",
    "graphql": "^14.3.0",
    "graphql-tools": "^4.0.4",
    "js-cache": "^1.0.3",
    "mongoose": "^5.4.0",
    "reflect-metadata": "^0.1.13",
    "rxjs": "^6.4.0",
    "typescript": "^3.5.2",
    "winston": "^3.2.1"
  },
  "devDependencies": {
    "@nestjs/testing": "^5.0.0",
    "@types/express": "^4.0.39",
    "@types/jest": "^21.1.8",
    "@types/node": "^9.3.0",
    "@types/supertest": "^2.0.4",
    "jest": "^21.2.1",
    "nodemon": "^1.14.1",
    "prettier": "^1.11.1",
    "supertest": "^3.0.0",
    "ts-jest": "^21.2.4",
    "ts-loader": "^4.1.0",
    "ts-node": "^4.1.0",
    "tsconfig-paths": "^3.1.1",
    "tslint": "5.3.2"
  },
  "jest": {
    "moduleFileExtensions": [
      "js",
      "json",
      "ts"
    ],
    "rootDir": "lib",
    "testRegex": ".spec.ts$",
    "transform": {
      "^.+\\.(t|j)s$": "ts-jest"
    },
    "coverageDirectory": "../coverage"
  }