Merge pull request #3663 from naturalcrit/updateEsLintV9

up ESLint to v9.9

.eslintrc.js

@@ -1,79 +0,0 @@
-module.exports = {
-	root          : true,
-	parserOptions : {
-		ecmaVersion  : 2021,
-		sourceType   : 'module',
-		ecmaFeatures : {
-			jsx : true
-		}
-	},
-	env : {
-		browser : true,
-		node    : true
-	},
-	plugins : ['react', 'jest'],
-	rules   : {
-		/** Errors **/
-		'camelcase'              : ['error', { properties: 'never' }],
-		//'func-style'             : ['error', 'expression', { allowArrowFunctions: true }],
-		'no-array-constructor'   : 'error',
-		'no-iterator'            : 'error',
-		'no-nested-ternary'      : 'error',
-		'no-new-object'          : 'error',
-		'no-proto'               : 'error',
-		'react/jsx-no-bind'      : ['error', { allowArrowFunctions: true }],
-		'react/jsx-uses-react'   : 'error',
-		'react/prefer-es6-class' : ['error', 'never'],
-		'jest/valid-expect'      : ['error', { maxArgs: 3	}],
-
-		/** Warnings **/
-		'max-lines' : ['warn', {
-			max            : 200,
-			skipComments   : true,
-			skipBlankLines : true,
-		}],
-		'max-depth'            : ['warn', { max: 4 }],
-		'max-params'           : ['warn', { max: 5 }],
-		'no-restricted-syntax' : ['warn', 'ClassDeclaration', 'SwitchStatement'],
-		'no-unused-vars'       : ['warn', {
-			vars              : 'all',
-			args              : 'none',
-			varsIgnorePattern : 'config|_|cx|createClass'
-		}],
-		'react/jsx-uses-vars' : 'warn',
-
-		/** Fixable **/
-		'arrow-parens'    : ['warn', 'always'],
-		'brace-style'     : ['warn', '1tbs', { allowSingleLine: true }],
-		'jsx-quotes'      : ['warn', 'prefer-single'],
-		'no-var'          : 'warn',
-		'prefer-const'    : 'warn',
-		'prefer-template' : 'warn',
-		'quotes'          : ['warn', 'single', { 'allowTemplateLiterals': true }],
-		'semi'            : ['warn', 'always'],
-
-		/** Whitespace **/
-		'array-bracket-spacing' : ['warn', 'never'],
-		'arrow-spacing'         : ['warn', { before: false, after: false }],
-		'comma-spacing'         : ['warn', { before: false, after: true }],
-		'indent'                : ['warn', 'tab', { 'MemberExpression': 'off' }],
-		'keyword-spacing'       : ['warn', {
-			before    : true,
-			after     : true,
-			overrides : {
-				if : { 'before': false, 'after': false }
-			}
-		}],
-		'key-spacing' : ['warn', {
-			multiLine  : { beforeColon: true, afterColon: true, align: 'colon' },
-			singleLine : { beforeColon: false, afterColon: true }
-		}],
-		'linebreak-style'               : 'off',
-		'no-trailing-spaces'            : 'warn',
-		'no-whitespace-before-property' : 'warn',
-		'object-curly-spacing'          : ['warn', 'always'],
-		'react/jsx-indent-props'        : ['warn', 'tab'],
-		'space-in-parens'               : ['warn', 'never'],
-		'template-curly-spacing'        : ['warn', 'never'],
-	}
-};

eslint.config.mjs

@@ -0,0 +1,71 @@
+import react from "eslint-plugin-react";
+import jest from "eslint-plugin-jest";
+import globals from "globals";
+
+export default [{
+		ignores: ["build/"]
+	},
+	{
+		files           : ['**/*.js', '**/*.jsx'],
+		plugins         : { react, jest },
+		languageOptions : {
+				ecmaVersion   : "latest",
+				sourceType    : "module",
+				parserOptions : { ecmaFeatures: { jsx: true } },
+				globals       : { ...globals.browser, ...globals.node }
+		},
+		rules: {
+				/** Errors **/
+				"camelcase"              : ["error", { properties: "never" }],
+				"no-array-constructor"   : "error",
+				"no-iterator"            : "error",
+				"no-nested-ternary"      : "error",
+				"no-new-object"          : "error",
+				"no-proto"               : "error",
+				"react/jsx-no-bind"      : ["error", { allowArrowFunctions: true }],
+				"react/jsx-uses-react"   : "error",
+				"react/prefer-es6-class" : ["error", "never"],
+				"jest/valid-expect"      : ["error", { maxArgs: 3 }],
+
+				/** Warnings **/
+				"max-lines"            : ["warn", { max: 200, skipComments: true, skipBlankLines: true }],
+				"max-depth"            : ["warn", { max: 4 }],
+				"max-params"           : ["warn", { max: 5 }],
+				"no-restricted-syntax" : ["warn", "ClassDeclaration", "SwitchStatement"],
+				"no-unused-vars"       : ["warn", { vars: "all", args: "none", varsIgnorePattern: "config|_|cx|createClass" }],
+				"react/jsx-uses-vars"  : "warn",
+
+				/** Fixable **/
+				"arrow-parens"    : ["warn", "always"],
+				"brace-style"     : ["warn", "1tbs", { allowSingleLine: true }],
+				"jsx-quotes"      : ["warn", "prefer-single"],
+				"no-var"          : "warn",
+				"prefer-const"    : "warn",
+				"prefer-template" : "warn",
+				"quotes"          : ["warn", "single", { allowTemplateLiterals: true }],
+				"semi"            : ["warn", "always"],
+
+				/** Whitespace **/
+				"array-bracket-spacing"         : ["warn", "never"],
+				"arrow-spacing"                 : ["warn", { before: false, after: false	}],
+				"comma-spacing"                 : ["warn", { before: false, after: true }],
+				"indent"                        : ["warn", "tab", { MemberExpression: "off" }],
+				"linebreak-style"               : "off",
+				"no-trailing-spaces"            : "warn",
+				"no-whitespace-before-property" : "warn",
+				"object-curly-spacing"          : ["warn", "always"],
+				"react/jsx-indent-props"        : ["warn", "tab"],
+				"space-in-parens"               : ["warn", "never"],
+				"template-curly-spacing"        : ["warn", "never"],
+				"keyword-spacing"               : ["warn", {
+						before    : true,
+						after     : true,
+						overrides : { if: { before: false, after: false } }
+				}],
+				"key-spacing"                   : ["warn", {
+						multiLine  : { beforeColon: true, afterColon: true, align: "colon" },
+						singleLine : { beforeColon: false, afterColon: true }
+				}]
+		}
+	}
+];

package.json

@@ -15,8 +15,8 @@
     "quick": "node scripts/quick.js",
     "build": "node scripts/buildHomebrew.js && node scripts/buildAdmin.js",
     "builddev": "node scripts/buildHomebrew.js --dev",
-    "lint": "eslint --fix **/*.{js,jsx}",
+    "lint": "eslint --fix",
-    "lint:dry": "eslint **/*.{js,jsx}",
+    "lint:dry": "eslint",
     "stylelint": "stylelint --fix **/*.{less}",
     "stylelint:dry": "stylelint **/*.less",
     "circleci": "npm test && eslint **/*.{js,jsx} --max-warnings=0",
@@ -125,9 +125,10 @@
   },
   "devDependencies": {
     "@stylistic/stylelint-plugin": "^3.0.1",
-    "eslint": "^8.57.0",
+    "eslint": "^9.9.0",
     "eslint-plugin-jest": "^28.8.0",
     "eslint-plugin-react": "^7.35.0",
+    "globals": "^15.9.0",
     "jest": "^29.7.0",
     "jest-expect-message": "^1.1.3",
     "postcss-less": "^6.0.0",