eslint-config-codely/configs/codely-js.js

Codely's ESLint and Prettier Config

import babelParser from "@babel/eslint-parser";
import js from "@eslint/js";
import eslintPluginImportX from "eslint-plugin-import-x";
import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
import eslintPluginSimpleImportSort from "eslint-plugin-simple-import-sort";
import eslintPluginUnusedImports from "eslint-plugin-unused-imports";
import globals from "globals";

export default [
	js.configs.recommended,
	eslintPluginPrettierRecommended,
	{
		languageOptions: {
			ecmaVersion: "latest",
			sourceType: "module",
			parser: babelParser,
			parserOptions: {
				requireConfigFile: false,
			},
			globals: {
				...globals.browser,
				...globals.node,
			},
		},
		plugins: {
			"simple-import-sort": eslintPluginSimpleImportSort,
			import: eslintPluginImportX,
			"unused-imports": eslintPluginUnusedImports,
		},
		rules: {
			// error prevention
			"array-callback-return": ["error", { checkForEach: true }],
			"no-await-in-loop": "error",
			"no-constant-binary-expression": "error",
			"no-constructor-return": "error",
			"no-promise-executor-return": "error",
			"no-self-compare": "error",
			"no-template-curly-in-string": "error",
			"no-unmodified-loop-condition": "error",
			"no-unreachable-loop": "error",
			"no-unused-private-class-members": "error",
			"no-use-before-define": [
				"error",
				{
					functions: false,
					classes: true,
					variables: true,
					allowNamedExports: false,
				},
			],
			"require-atomic-updates": "error",

			// good practises
			camelcase: ["error", { properties: "never" }],
			eqeqeq: "error",
			"new-cap": ["error", { capIsNew: false }],
			"no-array-constructor": "error",
			"no-console": ["error", { allow: ["error"] }],
			"no-else-return": ["error", { allowElseIf: false }],
			"no-extend-native": "error",
			"no-lonely-if": "error",
			"no-param-reassign": "error",
			"no-return-assign": "error",
			"no-throw-literal": "error",
			"no-var": "error",
			"object-shorthand": "error",
			"prefer-const": "error",
			"prefer-rest-params": "error",
			"prefer-spread": "error",
			"prefer-template": "error",
			radix: "error",
			yoda: "error",

			// style
			curly: "error",
			"lines-between-class-members": ["error", "always", { exceptAfterSingleLine: true }],
			"padding-line-between-statements": ["error", { blankLine: "always", prev: "*", next: "return" }],

			// plugins
			"import/first": "error",
			"import/newline-after-import": "error",
			"import/no-duplicates": "error",
			"import/no-unresolved": "error",
			"import/no-webpack-loader-syntax": "error",
			"prettier/prettier": ["error", { printWidth: 100, useTabs: true }],
			"simple-import-sort/exports": "error",
			"simple-import-sort/imports": "error",
			"unused-imports/no-unused-imports": "error",
			"no-unused-vars": "off",
			"unused-imports/no-unused-vars": [
				"warn",
				{
					vars: "all",
					varsIgnorePattern: "^_",
					args: "after-used",
					argsIgnorePattern: "^_",
				},
			],
		},
	},
];