Lint & Format (eslint-config-getstarted)

Automatically setup the best and future-proofed linting and formatting config for your project with or without VS Code

Uses ESLint, Prettier, eslint-config-airbnb, babel-eslint, eslint-config-prettier, eslint-plugin-html, eslint-plugin-import, eslint-plugin-jsx-a11y, eslint-config-wesbos, eslint-plugin-prettier, eslint-plugin-react, eslint-plugin-react-hooks under the hood.

These are opinionated settings for ESLint and Prettier. You might like them - or you might not. Don't worry, you can always change them.

What it does

Lints JavaScript based on the latest standards
Fixes issues and formatting errors with Prettier
Lints + Fixes inside of HTML script tags
Lints + Fixes React via eslint-config-airbnb
You can see all the rules here - You are very welcome to overwrite any of these settings, or just fork the entire thing to create your own.

Installing

You can use ESLint globally and/or locally per project.

It's usually best to install this locally once per project, that way you can have project-specific settings as well as sync those settings with others working on your project via git.

Local / Per Project Install

If you don't already have a package.json file, create one with npm init.
Then we need to install everything needed by the config:
```
npx install-peerdeps --dev eslint-config-getstarted
```
(note: npx is not a spelling mistake of npm. npx comes with when node and npm are installed and makes script running easier 😃)
You can see in your package.json there are now a big list of devDependencies.
Create a .eslintrc file in the root of your project's directory (it should live where package.json does). Your .eslintrc file should look like this:
```
{
  "extends": ["getstarted"]
}
```
Tip: You can alternatively put this object in your package.json under the property "eslintConfig":. This makes one less file in your project.

You can add two scripts to your package.json to lint and/or fix:

"scripts": {
  "lint": "eslint .",
  "lint:fix": "eslint . --fix"
},

Now you can manually lint your code by running npm run lint and fix all fixable issues with npm run lint:fix. You probably want your editor to do this though.

Settings

If you'd like to overwrite eslint or prettier settings, you can add the rules in your .eslintrc file. The ESLint rules go directly under "rules" while prettier options go under "prettier/prettier". Note that prettier rules overwrite anything in my config (trailing comma, and single quote), so you'll need to include those as well.

{
  "extends": ["getstarted"],
  "rules": {
    "no-console": 2,
    "prettier/prettier": [
      "error",
      {
        "trailingComma": "es5",
        "singleQuote": true,
        "printWidth": 120,
        "tabWidth": 8
      }
    ]
  }
}

With VS Code

You should read this entire thing. Serious!

Once you have done one, or both, of the above installs. You probably want your editor to automatically lint and fix for you. Here are the instructions for the VS Code:

Install the VS Code Plugin: ESLint
Now we need to setup some VS Code settings via Code/File → Preferences → Settings. It's easier to enter these settings while editing the settings.json file, so click the icon in the top right corner or open Command Pallet by pressing Ctrl/CMD+Shift+P and then type Preferences: Open Settings (JSON):

  // These are all my auto-save configs
"editor.formatOnSave": true,
// turn it off for JS and JSX, we will do this via eslint
"[javascript]": {
  "editor.formatOnSave": false
},
"[javascriptreact]": {
  "editor.formatOnSave": false
},
// tell the ESLint plugin to run on save
"editor.codeActionsOnSave": {
  "source.fixAll": true
},
// Optional BUT IMPORTANT: If you have the prettier extension enabled for other languages like CSS and HTML, turn it off for JS since we are doing it through Eslint already
"prettier.disableLanguages": ["javascript", "javascriptreact"],

With Create React App

You gotta eject first npm run eject or yarn eject
Run npx install-peerdeps --dev eslint-config-getstarted
Crack open your package.json and replace "extends": "react-app" with "extends": "getstarted"

🤬🤬🤬🤬 IT'S NOT WORKING

Start fresh. Sometimes global modules can goof you up. This will remove them all:

npm remove --global eslint-config-getstarted babel-eslint eslint eslint-config-prettier eslint-config-airbnb eslint-plugin-html eslint-plugin-prettier eslint-plugin-import eslint-config-wesbos lint-format eslint-plugin-jsx-a11y eslint-plugin-react prettier eslint-plugin-react-hooks

To do the above for local, omit the --global flag.

Then if you are using a local install, remove your package-lock.json file and delete the node_modules/ directory.

Then follow the above instructions again.

vivekrp/eslint-config-getstarted

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