Making Fredy an ESM project (#70)

Making Fredy an ESM project

.eslintrc.cjs

@@ -0,0 +1,296 @@
+module.exports = {
+  env: {
+    es2021: true,
+    node: true,
+    browser: true,
+    mocha: true,
+  },
+  parser: '@babel/eslint-parser',
+  extends: ['eslint:recommended', 'prettier'],
+  plugins: ['react'],
+  globals: {
+    Promise: false,
+    describe: true,
+    after: true,
+    it: true,
+    fetch: true,
+  },
+  parserOptions: {
+    sourceType: 'module',
+  },
+  rules: {
+    eqeqeq: [2, 'allow-null'],
+
+    // ###########################################################
+    // ### Semantics / Performance impacting
+    // ###########################################################
+    // babel inserts `'use strict';` for us
+    strict: 0,
+
+    'no-redeclare': [2, { builtinGlobals: false }],
+
+    // If a class method does not use this, it can safely be made a static function.
+    // http://eslint.org/docs/rules/class-methods-use-this
+    'class-methods-use-this': ['off'],
+
+    // ###########################################################
+    // ### Style
+    // ###########################################################
+    indent: ['off', 2],
+    'linebreak-style': ['error', 'unix'],
+    quotes: ['error', 'single', { avoidEscape: true, allowTemplateLiterals: true }],
+    semi: ['error', 'always'],
+    'no-console': ['error', { allow: ['warn', 'error'] }],
+
+    // ###########################################################
+    // ### React
+    // ###########################################################
+    // Specify whether double or single quotes should be used in JSX attributes
+    // http://eslint.org/docs/rules/jsx-quotes
+    'jsx-quotes': ['error', 'prefer-double'],
+
+    // Prevent missing displayName in a React component definition
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/display-name.md
+    'react/display-name': ['off'],
+
+    // Forbid certain propTypes (any, array, object)
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/forbid-prop-types.md
+    'react/forbid-prop-types': 'off',
+
+    // Validate closing bracket location in JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-closing-bracket-location.md
+    'react/jsx-closing-bracket-location': ['off'],
+
+    // Enforce or disallow spaces inside of curly braces in JSX attributes
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-curly-spacing.md
+    'react/jsx-curly-spacing': ['off'],
+
+    // Enforce event handler naming conventions in JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-handler-names.md
+    'react/jsx-handler-names': [
+      'off',
+      {
+        eventHandlerPrefix: 'handle',
+        eventHandlerPropPrefix: 'on',
+      },
+    ],
+
+    // Validate props indentation in JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-indent-props.md
+    'react/jsx-indent-props': 'off',
+
+    // Validate JSX has key prop when in array or iterator
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-key.md
+    'react/jsx-key': 'off',
+
+    // Limit maximum of props on a single line in JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-max-props-per-line.md
+    'react/jsx-max-props-per-line': ['off'],
+
+    // Prevent usage of .bind() in JSX props
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-bind.md
+    'react/jsx-no-bind': [
+      'error',
+      {
+        ignoreRefs: true,
+        allowArrowFunctions: true,
+        allowBind: false,
+      },
+    ],
+
+    // Prevent duplicate props in JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-duplicate-props.md
+    'react/jsx-no-duplicate-props': ['error', { ignoreCase: true }],
+
+    // Prevent usage of unwrapped JSX strings
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-literals.md
+    'react/jsx-no-literals': 'off',
+
+    // Disallow undeclared variables in JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-undef.md
+    'react/jsx-no-undef': 'error',
+
+    // Enforce PascalCase for user-defined JSX components
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-pascal-case.md
+    'react/jsx-pascal-case': [
+      'error',
+      {
+        allowAllCaps: true,
+        ignore: [],
+      },
+    ],
+
+    // Enforce propTypes declarations alphabetical sorting
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/sort-prop-types.md
+    'react/sort-prop-types': [
+      'off',
+      {
+        ignoreCase: true,
+        callbacksLast: false,
+        requiredFirst: false,
+      },
+    ],
+
+    // Deprecated in favor of react/jsx-sort-props
+    'react/jsx-sort-prop-types': 'off',
+
+    // Enforce props alphabetical sorting
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-sort-props.md
+    'react/jsx-sort-props': 'off',
+
+    // Prevent React to be incorrectly marked as unused
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-uses-react.md
+    'react/jsx-uses-react': 'error',
+
+    // Prevent variables used in JSX to be incorrectly marked as unused
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-uses-vars.md
+    'react/jsx-uses-vars': 'error',
+
+    // Prevent usage of dangerous JSX properties
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-danger.md
+    'react/no-danger': 'warn',
+
+    // Prevent usage of deprecated methods
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-deprecated.md
+    'react/no-deprecated': ['error'],
+
+    // Prevent usage of setState in componentDidMount
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-mount-set-state.md
+    'react/no-did-mount-set-state': ['error'],
+
+    // Prevent usage of setState in componentDidUpdate
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-update-set-state.md
+    'react/no-did-update-set-state': ['warn'],
+
+    // Prevent direct mutation of this.state
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-direct-mutation-state.md
+    'react/no-direct-mutation-state': 'off',
+
+    // Prevent usage of isMounted
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-is-mounted.md
+    'react/no-is-mounted': 'error',
+
+    // Prevent usage of setState
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-set-state.md
+    'react/no-set-state': 'off',
+
+    // Prevent using string references
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-string-refs.md
+    'react/no-string-refs': 'warn',
+
+    // Prevent usage of unknown DOM property
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unknown-property.md
+    'react/no-unknown-property': 'error',
+
+    // Prevent missing props validation in a React component definition
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prop-types.md
+    'react/prop-types': ['error', { ignore: [], customValidators: [], skipUndeclared: true }],
+
+    // Prevent missing React when using JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/react-in-jsx-scope.md
+    'react/react-in-jsx-scope': 'error',
+
+    // Restrict file extensions that may be required
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-extension.md
+    // deprecated in favor of import/extensions
+    'react/require-extension': ['off', { extensions: ['.jsx', '.js'] }],
+
+    // Require render() methods to return something
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-render-return.md
+    'react/require-render-return': 'error',
+
+    // Prevent extra closing tags for components without children
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/self-closing-comp.md
+    'react/self-closing-comp': 'warn',
+
+    // Enforce spaces before the closing bracket of self-closing JSX elements
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-space-before-closing.md
+    'react/jsx-space-before-closing': ['warn', 'always'],
+
+    // Enforce component methods order
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/sort-comp.md
+    'react/sort-comp': 'off',
+
+    // Prevent missing parentheses around multilines JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-wrap-multilines.md
+    'react/jsx-wrap-multilines': [
+      'warn',
+      {
+        declaration: true,
+        assignment: true,
+        return: true,
+      },
+    ],
+    'react/wrap-multilines': 'off', // deprecated version
+
+    // Require that the first prop in a JSX element be on a new line when the element is multiline
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-first-prop-new-line.md
+    'react/jsx-first-prop-new-line': ['off'],
+
+    // Enforce spacing around jsx equals signs
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-equals-spacing.md
+    'react/jsx-equals-spacing': ['warn', 'never'],
+
+    // Disallow target="_blank" on links
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-target-blank.md
+    'react/jsx-no-target-blank': 'error',
+
+    // only .jsx files may have JSX
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-filename-extension.md
+    'react/jsx-filename-extension': ['error', { extensions: ['.js'] }],
+
+    // prevent accidental JS comments from being injected into JSX as text
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-no-comment-textnodes.md
+    'react/jsx-no-comment-textnodes': 'error',
+    'react/no-comment-textnodes': 'off', // deprecated version
+
+    // disallow using React.render/ReactDOM.render's return value
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-render-return-value.md
+    'react/no-render-return-value': 'error',
+
+    // require a shouldComponentUpdate method, or PureRenderMixin
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-optimization.md
+    'react/require-optimization': ['off', { allowDecorators: [] }],
+
+    // warn against using findDOMNode()
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-find-dom-node.md
+    'react/no-find-dom-node': 'warn',
+
+    // Forbid certain props on Components
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/forbid-component-props.md
+    'react/forbid-component-props': ['off', { forbid: [] }],
+
+    // Prevent problem with children and props.dangerouslySetInnerHTML
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-danger-with-children.md
+    'react/no-danger-with-children': 'error',
+
+    // Prevent unused propType definitions
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unused-prop-types.md
+    'react/no-unused-prop-types': [
+      'warn',
+      {
+        customValidators: [],
+        skipShapeProps: true,
+      },
+    ],
+
+    // Require style prop value be an object or var
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/style-prop-object.md
+    'react/style-prop-object': 'error',
+
+    // Prevent passing of children as props
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-children-prop.md
+    'react/no-children-prop': 'warn',
+
+    // Validate whitespace in and around the JSX opening and closing brackets
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-tag-spacing.md
+    'react/jsx-tag-spacing': [
+      'warn',
+      {
+        closingSlash: 'never',
+        beforeSelfClosing: 'always',
+        afterOpening: 'never',
+      },
+    ],
+  },
+};