Lint code on commit with Husky npm

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+yarn test:lint

package.json

@@ -25,7 +25,8 @@
     "test:lint": "${npm_execpath} run test:lint:js && ${npm_execpath} run test:lint:sass",
     "test:lint:js": "npx eslint --ext=js . --cache",
     "test:lint:sass": "npx stylelint app/styles/**.scss app/styles/**/*.scss",
-    "test:jest": "npx jest --coverage"
+    "test:jest": "npx jest --coverage",
+    "prepare": "husky install"
   },
   "license": "AGPL-3.0-or-later",
   "browserslist": [
@@ -170,6 +171,7 @@
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-react": "^7.25.1",
     "eslint-plugin-react-hooks": "^4.2.0",
+    "husky": "^7.0.2",
     "jest": "^27.1.0",
     "raf": "^3.4.1",
     "react-intl-translations-manager": "^5.0.3",

yarn.lock

@@ -6177,6 +6177,11 @@ human-signals@^2.1.0:
   resolved "https://registry.yarnpkg.com/human-signals/-/human-signals-2.1.0.tgz#dc91fcba42e4d06e4abaed33b3e7a3c02f514ea0"
   integrity sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==
 
+husky@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/husky/-/husky-7.0.2.tgz#21900da0f30199acca43a46c043c4ad84ae88dff"
+  integrity sha512-8yKEWNX4z2YsofXAMT7KvA1g8p+GxtB1ffV8XtpAEGuXNAbCV5wdNKH+qTpw8SM9fh4aMPDR+yQuKfgnreyZlg==
+
 iconv-lite@0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"