feat: add config

.editorconfig

@@ -0,0 +1,2 @@
+[*]
+indent_size=2

.gitignore

@@ -102,3 +102,5 @@ dist
 
 # TernJS port file
 .tern-port
+
+.DS_Store

README.md

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+# Poool ESLint Config
+
+> Common ESLint rules we share between projects at Poool
+
+## Installation
+
+```bash
+yarn add @poool/eslint-config --dev
+npx install-peerdeps -Y @poool/eslint-config
+```
+
+## Usage
+
+```json
+extends: ["@poool"]
+```
+
+Available subconfigs:
+- `common`
+- `frontend`
+- `backend`
+
+```json
+extends: ["@poool/frontend"]
+```

backend.js

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+const OFF = 0;
+const WARNING = 1;
+const ERROR = 2;
+
+module.exports = {
+  extends: [require.resolve('./common')],
+  env: {
+    node: true,
+  },
+};

common.js

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+const OFF = 0;
+const WARNING = 1;
+const ERROR = 2;
+
+module.exports = {
+  extends: ['eslint:recommended', 'standard'],
+  parser: 'babel-eslint',
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module',
+  },
+  plugins: [
+    'babel',
+  ],
+  rules: {
+    'comma-dangle': [WARNING, {
+      'arrays': 'always-multiline',
+      'objects': 'always-multiline',
+      'imports': 'always-multiline',
+      'exports': 'always-multiline',
+      'functions': 'ignore',
+    }],
+    'semi': [ERROR, 'always'],
+    'no-unused-vars': [WARNING, {
+      varsIgnorePattern: '^_',
+      argsIgnorePattern: '.+',
+    }],
+    'no-multiple-empty-lines': WARNING,
+    'eol-last': OFF,
+    'no-trailing-spaces': [WARNING, { skipBlankLines: true }],
+    'no-console': [WARNING, {
+      allow: ['warn', 'error', 'time', 'timeEnd', 'timeStamp'],
+    }],
+    'padded-blocks': OFF,
+    'spaced-comment': OFF,
+    'space-before-function-paren': WARNING,
+    'new-cap': OFF,
+    'max-len': WARNING,
+    'object-curly-newline': OFF,
+    'object-property-newline': OFF
+  },
+};

frontend.js

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+const OFF = 0;
+const WARNING = 1;
+const ERROR = 2;
+
+module.exports = {
+  env: {
+    browser: true,
+  },
+  extends: [require.resolve('./common'), 'plugin:react/recommended'],
+  parser: 'babel-eslint',
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module',
+    ecmaFeatures: {
+      jsx: true,
+    },
+  },
+  plugins: [
+    'babel',
+    'react',
+  ],
+};

index.js

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+const OFF = 0;
+const WARNING = 1;
+const ERROR = 2;
+
+module.exports = {
+  extends: [
+    './common',
+    './node',
+    './browser',
+  ].map(require.resolve),
+};

package.json

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+{
+  "name": "@poool/eslint-config",
+  "version": "0.0.1-alpha.1",
+  "description": "Common ESLint rules we share between projects at Poool",
+  "main": "index.js",
+  "repository": "https://github.com/p3ol/eslint-config.git",
+  "author": "Ugo Stephant <ugo@poool.fr>",
+  "license": "MIT",
+  "peerDependencies": {
+    "babel-eslint": ">=10",
+    "eslint": ">=6",
+    "eslint-config-standard": ">=14",
+    "eslint-plugin-babel": ">=5",
+    "eslint-plugin-import": ">=2",
+    "eslint-plugin-node": ">=11",
+    "eslint-plugin-promise": ">=4",
+    "eslint-plugin-react": ">=7",
+    "eslint-plugin-standard": ">=4"
+  },
+  "devDependencies": {
+    "babel-eslint": "10.1.0",
+    "eslint": "6.8.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-babel": "5.3.0",
+    "eslint-plugin-import": "2.20.2",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.2.1",
+    "eslint-plugin-react": "7.20.0",
+    "eslint-plugin-standard": "4.0.1"
+  }
+}