ESLint Config Standards

Install

$ npm install eslint @neogeek/eslint-config-standards --save-dev

Then create a .eslintrc file in the root of your project with the following contents:

{
  "extends": ["@neogeek/eslint-config-standards"]
}

Configuration

See http://eslint.org/docs/rules/ for more information.

This package enables errors on all of the available flags except the following:

Layout Formatting

No changes

Possible Problems

Flag	Description	Value
no-unused-vars	Disallow unused variables	`"no-unused-vars": ["warn", {"ignoreRestSiblings": true}]`

Suggestions

Flag	Description	Value
id-length	Enforce minimum and maximum identifier lengths	`off`
max-lines	Enforce a maximum number of lines per file	`off`
max-statements	Enforce a maximum number of statements allowed in function blocks	`off`
no-magic-number	Disallow magic numbers	`["error", {"ignore": [-1, 0, 1]}]`
no-shadow	Disallow variable declarations from shadowing variables declared in the outer scope	`["error", {"allow": ["err"]}]`
one-var	Enforce variables to be declared either together or separately in functions	`off`

Extended `.eslintrc` Configuration

{
  "extends": [
    "@neogeek/eslint-config-standards/.eslintrc-layout-formatting",
    "@neogeek/eslint-config-standards/.eslintrc-possible-problems",
    "@neogeek/eslint-config-standards/.eslintrc-suggestions"
  ],
  "rules": {
    "quotes": [2, "double"]
  }
}

Prettier Config

Create a .prettierrc file with the following contents:

{
  "printWidth": 80,
  "tabWidth": 4
}

Install the prettier-eslint-cli.

$ npm install prettier-eslint-cli --save-dev

Add NPM script for automation.

{
  "scripts": {
    "prettier": "prettier-eslint --write \"src/**/*.js\""
  }
}

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