Socket.io: typescript compile error

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• [x] report a bug
• [ ] request a feature

Current behaviour

I have some troubles in compiling my code from typescript to javascript.
Compilation fails due to type error in namespace.d.ts and socket.d.ts。The Namespace and Socket class extends EventEmitter. However, they override 'emit' function and the signature is not compatible with the EventEmitter's emit function.

Is there any way to work around it?

Steps to reproduce (if the current behaviour is a bug)

Below is my tsconfig setting:

{
    "compileOnSave": true,
    "compilerOptions": {
        "outDir": "./dist",
        "lib": ["es5", "es6"],
        "target": "es3",
        "module": "commonjs",
        "moduleResolution": "node",
        "experimentalDecorators": true,
        "emitDecoratorMetadata": true,
        "allowSyntheticDefaultImports": true,
    },
    "include": ["./src/**/*"],
}

Here is the dependencies of the project:

"dependencies": {
    "debug": "^3.1.0",
    "koa": "^2.13.0",
    "socket.io": "^3.0.0"
  },
  "devDependencies": {
    "@types/koa": "^2.11.6",
    "@types/node": "^14.14.6",
    "supervisor": "^0.12.0",
    "typescript": "^4.0.5"
  }

when I run: 'tsc', I got the following error:

node_modules/socket.io/dist/namespace.d.ts(89,5): error TS2416: Property 'emit' in type 'Namespace' is not assignable to the same property in base type 'EventEmitter'.
  Type '(ev: string, ...args: any[]) => Namespace' is not assignable to type '(event: string | symbol, ...args: any[]) => boolean'.
    Type 'Namespace' is not assignable to type 'boolean'.
node_modules/socket.io/dist/socket.d.ts(84,5): error TS2416: Property 'emit' in type 'Socket' is not assignable to the same property in base type 'EventEmitter'.
  Type '(ev: string, ...args: any[]) => this' is not assignable to type '(event: string | symbol, ...args: any[]) => boolean'.
    Type 'this' is not assignable to type 'boolean'.
      Type 'Socket' is not assignable to type 'boolean'.

Setup

• OS: Windows
• socket.io version: 3.0.0