[eslint] clean up config

Author: ljharb

.eslintignore

@@ -10,6 +10,17 @@
   "plugins": [
     "flowtype"
   ],
+  "ignorePatterns": [
+    "lib/",
+    "node_modules/",
+    "reports/",
+    "node_modules.nosync/",
+    "__tests-built__",
+    "coverage/",
+    ".nyc_output/",
+    "flow-typed/",
+    "flow/",
+  ],
   "overrides": [
     {
       "files": [

.eslintrc

@@ -9,7 +9,7 @@
   "scripts": {
     "build": "rimraf lib && babel src --out-dir lib",
     "flow": "flow",
-    "lint": "eslint  --config .eslintrc src __tests__ scripts",
+    "lint": "eslint --ext=js,mjs .",
     "lint:fix": "npm run lint -- --fix",
     "prepublishOnly": "npm run build",
     "pretest": "npm run lint:fix && npm run flow",