Adds pre-commit hooks using Husky (#46)

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+npx lint-staged

README.md

@@ -77,6 +77,21 @@ Dir
 puts failures
 ```
 
+## Development
+
+Setup linting:
+
+```sh
+npm run prepare
+```
+
+Install dependencies and run tests:
+
+```sh
+bundle
+bundle exec rake
+```
+
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/davidwessman/syntax_tree-erb.

package.json

@@ -0,0 +1,10 @@
+{
+ "scripts": {
+ "prepare": "husky install"
+ },
+ "lint-staged": {
+ "lib/**/*.rb": [
+ "bundle exec stree write"
+ ]
+ }
+}