ESlint

Optional installation plugins:

    npm install eslint-plugin-prettier@latest --save-dev

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    npm install eslint-plugin-only-warn --save-de

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    npm install eslint@4.x babel-eslint@8 --save-dev

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Steps

ESint doc

1. Install:

   npm install eslint --save-dev
   

2. Init configuration file:

   npm init @eslint/config
   

3. Define the configuration and rules. example:

   "rules": {
   "linebreak-style": [
       "error",
       "unix"
   ],
   "quotes": [
       "error",
       "single"
   ],
   "semi": [
       "error",
       "never"
   ]
   

4. Create a script in package.json file

   "lint": "eslint ./src",
   

5. run ESlint:

local:

example

    eslint ./

//

    eslint ./ -o ./test/eslint-report.html

or

    npm run lint

jenkinsfile

    stage('Linting tools - Eslint') {
        steps {
            echo 'running Eslint..'
            sh 'npm run lint'
        }
    }

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