Why this error: "require is not defined" in Gulp?

Question

I am trying to use Gulp in my project. i have done following things

1. $ sudo npm install gulp -g . - to install Gulp globally
2. $ npm init - from my project path
3. npm install gulp --save-dev

Here is my gulpfile.js:

I am not sure why I am getting this error.

Answer 1

Looks like a linter error. What's your .eslintrc file look like?

Try adding env.node .eslintrc

{
  "env" : {
    "node" : true
  }
}