Replace eslint-config-pretty-standard with eslint-config-{prettier,st…

…andard}, add eslint-plugin-mocha

.eslintrc

@@ -0,0 +1,20 @@
+{
+  "extends": ["standard", "prettier", "prettier/standard"],
+  "plugins": ["import", "mocha"],
+  "env": {
+    "mocha": true
+  },
+  "rules": {
+    "prefer-template": "error",
+    "mocha/no-exclusive-tests": "error",
+    "mocha/no-nested-tests": "error",
+    "mocha/no-identical-title": "error",
+    "prefer-const": [
+      "error",
+      {
+        "destructuring": "all",
+        "ignoreReadBeforeAssign": false
+      }
+    ]
+  }
+}

package.json

@@ -17,7 +17,7 @@
     "url": "https://github.com/unexpectedjs/unexpected-sinon"
   },
   "scripts": {
-    "lint": "eslint .",
+    "lint": "eslint . && prettier --check '**/*.js'",
     "test": "mocha --require unexpected-markdown test/*.js `find documentation -name '*.md'`",
     "test-headless": "karma start --single-run",
     "test-browser": "serve .",
@@ -34,9 +34,13 @@
   "devDependencies": {
     "coveralls": "^3.0.0",
     "eslint": "^6.0.0",
-    "eslint-config-pretty-standard": "^2.0.0",
+    "eslint-config-prettier": "^6.0.0",
+    "eslint-config-standard": "^13.0.1",
+    "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-mocha": "^6.0.0",
-    "eslint-plugin-prettier": "^3.0.0",
+    "eslint-plugin-node": "^9.1.0",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-standard": "^4.0.0",
     "karma": "^4.1.0",
     "karma-chrome-launcher": "^3.0.0",
     "karma-mocha": "^1.3.0",