Add lint-staged

Author: exah

generators/app/index.js

@@ -85,6 +85,7 @@ module.exports = class extends Generator {
       'eslint-plugin-promise',
       'eslint-plugin-standard',
       'husky',
+      'lint-staged'
     ]
     const packages = []
 

generators/app/templates/package.json

@@ -13,12 +13,19 @@
     "lint": "eslint .",
     "preversion": "git diff --quiet --exit-code && git checkout master && git merge --no-edit develop",
     "postversion": "git checkout develop && git merge --no-edit master",
+    "precommit": "lint-staged",
     "prepush": "npm run lint",
     "premerge": "npm run lint"
   },
   "eslintConfig": {
     "extends": "strelka"
   },
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
+  },
   "engines": {
     "node": ">=6.9"
   },