chore(lint): lint all and remove extra files

packages/base-configs/.browserslistrc

@@ -1 +0,0 @@
-extends @ivuorinen/browserslist-config

packages/base-configs/.commitlintrc.json

@@ -1,3 +0,0 @@
-{
-  "extends": ["@ivuorinen/commitlint-config"]
-}

packages/base-configs/.eslintrc.json

@@ -1,3 +0,0 @@
-{
-  "extends": ["@ivuorinen"]
-}

packages/base-configs/.markdownlint.json

@@ -1,3 +0,0 @@
-{
-  "extends": "@ivuorinen/markdownlint-config"
-}

packages/base-configs/.prettierrc.js

@@ -1,7 +0,0 @@
-const config = require('@ivuorinen/prettier-config/index.js')
-
-module.exports = {
-  ...config,
-  printWidth: 80,
-  proseWrap: 'always'
-}

packages/base-configs/.releaserc.json

@@ -1,3 +0,0 @@
-{
-  "extends": ["@ivuorinen/semantic-release-config"]
-}

packages/browserslist-config/index.js

@@ -1,6 +1,3 @@
 'use strict'
 
-module.exports = [
+module.exports = ['defaults and fully supports es6-module', 'maintained node versions']
-  'defaults and fully supports es6-module',
-  'maintained node versions'
-]

packages/config-checker/helpers/generate-md-table.js

@@ -3,9 +3,7 @@
 const configurationPaths = require('../lib/configuration-paths')
 
 const configItems = configurationPaths('[module name]')
-const longestLine = configItems.reduce((a, b) =>
+const longestLine = configItems.reduce((a, b) => (a.length > b.length ? a : b)).length
-  a.length > b.length ? a : b
-).length
 
 const mdTable = configItems.map(file => {
   const diff = longestLine - file.length

packages/eslint-config/index.js

@@ -7,11 +7,7 @@ module.exports = {
     es2021: true,
     node: true
   },
-  extends: [
+  extends: ['plugin:promise/recommended', 'plugin:sonarjs/recommended', 'standard'],
-    'plugin:promise/recommended',
-    'plugin:sonarjs/recommended',
-    'standard'
-  ],
   parserOptions: {
     ecmaVersion: 12
   }

packages/stylelint-config/scss/index.js

@@ -19,10 +19,7 @@ module.exports = {
     'scss/dollar-variable-no-missing-interpolation': true,
     'scss/dollar-variable-pattern': '^[a-z][a-z-\\d]*$',
     'scss/media-feature-value-dollar-variable': null,
-    'scss/no-duplicate-dollar-variables': [
+    'scss/no-duplicate-dollar-variables': [null, { ignoreInsideAtRules: ['if', 'mixin'] }],
-      null,
-      { ignoreInsideAtRules: ['if', 'mixin'] }
-    ],
     'scss/no-duplicate-mixins': true,
     'scss/operator-no-newline-after': true,
     'scss/operator-no-newline-before': true,