Precommit ESLint

.githooks-pre-commit

#!/bin/sh
RED="\033[1;31m"
GREEN="\033[1;32m"
NC="\033[0m"
linter_exit_code=1
staged_js_files=$(git diff --cached --diff-filter=d --name-only | grep .js$)
./node_modules/.bin/eslint $staged_js_files --quiet --fix
linter_exit_code=$?
git add -f $staged_js_files
if [ $linter_exit_code -ne 0 ]
then
  echo "${RED} ❌ Linter errors have occurred${NC}"
  exit 1
else
  echo "${GREEN} ✔ Eslint did not find any errors${NC}"
  exit 0
fi


###############
#### The name of file should be .githooks-pre-commit, but the gist not allow /
###############

package.json

{
  "scripts": {
    "postinstall": "git config core.hooksPath ./.githooks"
  },
  "devDependencies": {
    "eslint": "^7.15.0",
    "eslint-config-prettier": "^7.0.0",
    "eslint-plugin-prettier": "^3.2.0",
    "prettier": "^2.2.1"
  }
}