Set up eslint

Author: bergie

.eslintrc.json

@@ -0,0 +1,3 @@
+{
+  "extends": "airbnb-base"
+}

package.json

@@ -4,6 +4,7 @@
   "description": "JavaScript FBP graph library",
   "main": "index.js",
   "scripts": {
+    "pretest": "eslint *.js lib/*.js spec/*.js",
     "test": "nyc grunt test"
   },
   "repository": {
@@ -29,6 +30,11 @@
     "babel-loader": "^8.0.4",
     "chai": "^4.0.1",
     "coveralls": "^3.0.0",
+    "eslint": "^7.11.0",
+    "eslint-config-airbnb-base": "^14.2.0",
+    "eslint-plugin-chai": "0.0.1",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-mocha": "^8.0.0",
     "fbp-loader": "^0.1.1",
     "grunt": "^1.0.1",
     "grunt-karma": "^4.0.0",

spec/.eslintrc.json

@@ -0,0 +1,20 @@
+{
+  "extends": "airbnb-base",
+  "plugins": [
+    "chai",
+    "mocha"
+  ],
+  "env": {
+    "node": true,
+    "mocha": true
+  },
+  "rules": {
+    "func-names": 0
+  },
+  "globals": {
+    "baseDir": false,
+    "chai": false,
+    "noflo": false,
+    "window": false
+  }
+}