Pre Commit hook to run TSLint before committing. Based off https://gist.github.com/rashtay/328da46a99a9d7c746636df1cf769675 ---- add to `.git/hooks/` as `pre-commit` and run `chmod +x .git/hooks/pre-commit`.

pre-commit-tslint

#!/bin/sh

STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep ".[j|t]sx\{0,1\}$")
TSLINT="$(git rev-parse --show-toplevel)/WebClient/node_modules/.bin/tslint"

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

PASS=true

printf "\nValidating Javascript:\n"

# Check for tslint
if [[ ! -x "$TSLINT" ]]; then
  printf "\t\033[41mPlease install TSLint\033[0m (yarn i --save-dev tslint)"
  exit 1
fi

for FILE in $STAGED_FILES
do
  "$TSLINT" "$FILE"

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

printf "\nJavascript validation completed!\n"

if ! $PASS; then
  printf "\033[41mCOMMIT FAILED:\033[0m Your commit contains files that should pass TSLint but do not. Please fix the TSLint errors and try again.\n"
  exit 1
else
  printf "\033[42mCOMMIT SUCCEEDED\033[0m\n"
fi

exit $?