Prettier script for Vue files

pretty-vue.sh

#!/bin/bash

cd "$(dirname "$(readlink -f "$0")")"

SEDBIN="gsed"
command -v gsed >/dev/null 2>&1 || { SEDBIN="sed"; }
$SEDBIN --version >/dev/null 2>&1 || { echo >&2 "GNU-sed required but not installed. Maybe run: brew install gnu-sed"; exit 1; }

PROC="./node_modules/prettier/bin/prettier.js"
DIR="src/main/javascript"
VUE_FILES=$(find $DIR -iname "*.vue" -print)

open="<script>"
close="<\/script>"

pretty() {
  echo "$3"
  $SEDBIN -n "/^${1}/,/${2}/p" "$3" | \
    $SEDBIN "1d;\$d" | \
    $PROC --stdin-filepath | \
    $SEDBIN -e "1i${1}" -e "\$a${2}" | \
    $SEDBIN -i -e "/^${1}/r /dev/stdin" -e "/^${1}/,/${2}/d" "$3"
}

pretty_check() {
  $SEDBIN -n "/^${1}/,/${2}/p" "$3" | \
    $SEDBIN "1d;\$d" | \
    ${PROC} --stdin-filepath --list-different
}

usage() { echo "$0
  -f SINGLE_FILE
  -c (check all files)
  -a (fix all files)"; exit 1; }

[ $# -eq 0 ] && usage

while getopts ":achf:" o; do
    case "${o}" in
        a)
            for f in $VUE_FILES
            do
              pretty $open $close $f
            done
            ;;
        c)
            (for f in $VUE_FILES
            do
              pretty_check $open $close $f &>/dev/null || { echo >&2 "$f IS NOT PRETTY ENOUGH"; exit 1; }
            done);
            ;;
        h)
            usage
            ;;
        f)
            [ -z "${OPTARG}" ] && usage
            pretty $open $close $OPTARG
            ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))