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Pre-commit hook to check for Javascript using ESLint
#!/bin/sh
# List files
STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep ".jsx\{0,1\}$")
if [[ "$STAGED_FILES" = "" ]]; then
exit 0
fi
# Try find node
which node &> /dev/null
if [[ "$?" == 1 ]]; then
PATH=$PATH:/usr/local/bin:/usr/local/sbin
fi
which node &> /dev/null
if [[ "$?" == 1 ]]; then
echo "\tNo node has been found"
exit 1
fi
# Try find eslint
ESLINT="$(git rev-parse --show-toplevel)/node_modules/.bin/eslint"
if [[ ! -x "$ESLINT" ]]; then
# global eslint
which eslint &> /dev/null
if [[ "$?" == 1 ]]; then
echo "\t\033[41mPlease install ESlint\033[0m"
exit 1
fi
ESLINT="$(which eslint)"
fi
PASS=true
echo "\nValidating Javascript:\n"
for FILE in $STAGED_FILES
do
"$ESLINT" "$FILE"
if [[ "$?" == 0 ]]; then
echo "\t\033[32mESLint Passed: $FILE\033[0m"
else
echo "\t\033[41mESLint Failed: $FILE\033[0m"
PASS=false
fi
done
echo "\nJavascript validation completed!\n"
if ! $PASS; then
echo "\033[41mCOMMIT FAILED:\033[0m Your commit contains files that should pass ESLint but do not. Please fix the ESLint errors and try again.\n"
exit 1
else
echo "\033[42mCOMMIT SUCCEEDED\033[0m\n"
fi
exit $?
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