Use shared MetaMask ESLint config (#7882)

.eslintignore

@@ -1,3 +1,5 @@
+!.eslintrc.js
+
 node_modules/**
 dist/**
 builds/**

.eslintrc.js

@@ -0,0 +1,95 @@
+module.exports = {
+  parser: 'babel-eslint',
+  parserOptions: {
+    'sourceType': 'module',
+    'ecmaVersion': 2017,
+    'ecmaFeatures': {
+      'experimentalObjectRestSpread': true,
+      'impliedStrict': true,
+      'modules': true,
+      'blockBindings': true,
+      'arrowFunctions': true,
+      'objectLiteralShorthandMethods': true,
+      'objectLiteralShorthandProperties': true,
+      'templateStrings': true,
+      'classes': true,
+      'jsx': true,
+    },
+  },
+
+  extends: [
+    '@metamask/eslint-config',
+    '@metamask/eslint-config/config/nodejs',
+    'plugin:react/recommended',
+  ],
+
+  env: {
+    'browser': true,
+    'mocha': true,
+  },
+
+  plugins: [
+    'babel',
+    'mocha',
+    'chai',
+    'react',
+    'json',
+    'import',
+  ],
+
+  globals: {
+    'web3': true,
+    '$': false,
+    'QUnit': false,
+  },
+
+  rules: {
+    'import/default': 'error',
+    'import/export': 'error',
+    'import/named': 'error',
+    'import/namespace': 'error',
+    'import/newline-after-import': 'error',
+    'import/no-absolute-path': 'error',
+    'import/no-amd': 'error',
+    'import/no-anonymous-default-export': ['error', { 'allowObject': true }],
+    'import/no-duplicates': 'error',
+    'import/no-dynamic-require': 'error',
+    'import/no-mutable-exports': 'error',
+    'import/no-named-as-default': 'error',
+    'import/no-named-as-default-member': 'error',
+    'import/no-named-default': 'error',
+    'import/no-self-import': 'error',
+    'import/no-unresolved': ['error', { 'commonjs': true }],
+    'import/no-unused-modules': 'error',
+    'import/no-useless-path-segments': ['error', { 'commonjs': true }],
+    'import/no-webpack-loader-syntax': 'error',
+    'react/no-unused-prop-types': 'error',
+    'react/no-unused-state': 'error',
+    'react/jsx-boolean-value': 'error',
+    'react/jsx-curly-brace-presence': ['error', { 'props': 'never', 'children': 'never' }],
+    'react/jsx-equals-spacing': 'error',
+    'react/no-deprecated': 'error',
+    'react/default-props-match-prop-types': 'error',
+    'react/jsx-closing-tag-location': 'error',
+    'react/jsx-no-duplicate-props': 'error',
+    'react/jsx-closing-bracket-location': 'error',
+    'react/jsx-first-prop-new-line': 'error',
+    'react/jsx-max-props-per-line': ['error', { 'maximum': 1, 'when': 'multiline' } ],
+    'react/jsx-tag-spacing': ['error', {
+      'closingSlash': 'never',
+      'beforeSelfClosing': 'always',
+      'afterOpening': 'never',
+    }],
+    'react/jsx-wrap-multilines': ['error', {
+      'declaration': 'parens-new-line',
+      'assignment': 'parens-new-line',
+      'return': 'parens-new-line',
+      'arrow': 'parens-new-line',
+      'condition': 'parens-new-line',
+      'logical': 'parens-new-line',
+      'prop': 'parens-new-line',
+    }],
+    'babel/semi': ['error', 'never'],
+    'mocha/no-exclusive-tests': 'error',
+  },
+}

package.json

@@ -195,6 +195,7 @@
     "@babel/preset-env": "^7.5.5",
     "@babel/preset-react": "^7.0.0",
     "@babel/register": "^7.5.5",
+    "@metamask/eslint-config": "^1.0.0",
     "@metamask/forwarder": "^1.1.0",
     "@metamask/onboarding": "^0.2.0",
     "@sentry/cli": "^1.49.0",

yarn.lock

@@ -1997,6 +1997,11 @@
     scroll "^2.0.3"
     warning "^3.0.0"
 
+"@metamask/eslint-config@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@metamask/eslint-config/-/eslint-config-1.0.0.tgz#046012398bb27f56395355c96ef07152925043b7"
+  integrity sha512-MmxM2sknVhIHyXCjR6LcK57OPJ30gTEX5v/jwC+qXuw4GIgUAPbxFp3AFmFRAJwty3RMjJSbRJ7YlamMq67U8w==
+
 "@metamask/forwarder@^1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@metamask/forwarder/-/forwarder-1.1.0.tgz#13829d8244bbf19ea658c0b20d21a77b67de0bdd"