20/02/2022
husky and lint-staged to run estlint and prettier on pre-commit
# install lint-staged
npm install -D lint-staged

# create this file with following content
.lintstagedrc
{
    "*.js": [
        "eslint --fix",
        "prettier --write"
    ]
}

# you can now try to lint staged files with
npx lint-staged

# install husky
npm install -D husky
npm set-script prepare "husky install"
npm run prepare

# create hook
npx husky add .husky/pre-commit "npx lint-staged"
git add .husky/pre-commit

# create another hook
write in this file .husky/post-merge

        #!/usr/bin/env sh
        . "$(dirname -- "$0")/_/husky.sh"

        if $(git diff --name-only HEAD@{1} HEAD | grep package-lock.json) ; then
            echo "? package-lock.json changed. Running npm ci to update your dependencies..."
            npm ci
        else
            echo "? no need to update dependencies"
        fi

# on another machine you can git clone, and this command is automatically executed on "npm install", otherwise run it :
npm run prepare