Pre-commit hook to check for Javascript using ESLint

pre-commit-eslint

#!/bin/sh

STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep ".jsx\{0,1\}$")
ESLINT="$(git rev-parse --show-toplevel)/node_modules/.bin/eslint"

if [[ "$STAGED_FILES" = "" ]]; then
  exit 0
fi

PASS=true

printf "\n检查JavaScript代码中...:\n"

# Check for eslint
if [[ ! -x "$ESLINT" ]]; then
  printf "\t\033[41m请先安装ESlint: npm i --save-dev eslint"
  exit 1
fi

for FILE in $STAGED_FILES
do
  "$ESLINT" "$FILE"

  if [[ "$?" == 0 ]]; then
    printf "\t\033[32mESLint通过: $FILE\033[0m"
  else
    printf "\t\033[41mESLint失败: $FILE\033[0m"
    PASS=false
  fi
done

printf "\nDone!\n"

if ! $PASS; then
  echo "\033[41m提交失败:\033[0m 请修复ESLint提示的问题再提交.\n"
  exit 1
else
  echo "\033[42m提交成功\033[0m\n"
fi

exit $?