create a cypress/globals env instead of an extends config

Author: chrisbreiding

README.md

@@ -1,8 +1,8 @@
 # Cypress ESLint Plugin
 
-An ESLint plugin for projects that use Cypress.
+An ESLint plugin for projects using [Cypress](https://cypress.io) for tests.
 
-Specifies the environment and globals (`cy`, `Cypress`, etc) for use when writing tests using [Cypress](https://cypress.io).
+Specifies globals for Cypress (`cy` & `Cypress`) as well as browser and mocha globals.
 
 ## Installation
 
@@ -12,12 +12,17 @@ npm install eslint-plugin-cypress --save-dev
 
 ## Usage
 
-Add `cypress` as a plugin in your `.eslintrc`:
+Add an `.eslintrc` file to your `cypress` directory with the following:
 
 ```json
+// my-project/cypress/.eslintrc
+
 {
   "plugins": [
     "cypress"
-  ]
+  ],
+  "env": {
+    "cypress/globals": true
+  }
 }
 ```

index.js

@@ -1,22 +1,17 @@
+const globals = require('globals')
+
 module.exports = {
-  env: {
-    browser: true,
-  },
-  parserOptions: {
-    ecmaVersion: 6,
+  environments: {
+    globals: {
+      globals: Object.assign(globals.browser, globals.mocha, {
+        cy: false,
+        Cypress: false,
+        expect: false,
+        assert: false,
+      }),
+      parserOptions: {
+        ecmaVersion: 2017,
+      },
+    },
   },
-  globals: {
-    cy: true,
-    Cypress: true,
-
-    describe: true,
-    context: true,
-    it: true,
-    before: true,
-    beforeEach: true,
-    after: true,
-    afterEach: true,
-    expect: true,
-    assert: true,
-  }
 }

package.json

@@ -20,5 +20,8 @@
   "homepage": "https://github.com/cypress-io/eslint-plugin-cypress#readme",
   "peerDependencies": {
     "eslint": ">= 3.2.1"
+  },
+  "dependencies": {
+    "globals": "^11.0.1"
   }
 }