Run prettier on staged files

pre-commit

#!/bin/bash

prettier=$(npm bin)/prettier

git diff --cached --name-status src/ | while read -r status filename; do
  # skip deleted files
  if [[ "$status" == "D" ]]; then continue; fi

  if [[ "$filename" =~ \.jsx?$ ]]; then
    "$prettier" --single-quote --no-bracket-spacing --write "$filename" || exit 1
  fi
done