check-files-present

#!/bin/bash
# Checks to see if the published NPM package has the files passed in as arguments
# Requirements: jq and npm
# `brew install jq` on macOS and `apt install jq` on Ubuntu

pkg=$(echo $(jq .name package.json)-$(jq .version package.json).tgz | sed 's/"//g')
files_to_check="$@"

main(){
    npm pack > /dev/null 2>&1;
    check_tarball_files $@
    rm $pkg > /dev/null;
}

usage(){
    cat << EOF
Usage: check-files-present [file1 [file2 [...]]]

Example. Want to see that 'lolex' contains two specific files:
  check-files-present src/lolex-src.js package/lolex.js
EOF
    exit 1
}

if [[ $# == 0 ]]; then
    echo No file names given on command line
    usage
fi

check_tarball_files(){
    tarball_files=$(tar tf $pkg)
    for f in $files_to_check; do
        if !(echo $tarball_files | grep package/$f) > /dev/null; then
            echo "Missing $f" && exit 1
        fi
     done
     echo All files present: $files_to_check
}

main