copyPackageJsonFiles.sh

#!/usr/bin/env bash

# Copies all package.json files inside the source directory into the artifacts/npm-package-json directory.
# It retains the original folder structure where the package.json files were in.

# This script "jq" ( https://stedolan.github.io/jq ).

# Fail on any error ("-e" = exit on first error, "-o pipefail" exist on errors within piped commands)
set -o errexit -o pipefail

# Overrideable Defaults
ARTIFACTS_DIRECTORY=${ARTIFACTS_DIRECTORY:-"artifacts"}
SOURCE_DIRECTORY=${SOURCE_DIRECTORY:-"source"}
NPM_PACKAGE_JSON_ARTIFACTS_DIRECTORY=${NPM_PACKAGE_JSON_ARTIFACTS_DIRECTORY:-"npm-package-json"} # Subdirectory of "artifacts" containing the npm package.json files to scan

# Check if the repository is actually a git repository
if [ ! -d "${SOURCE_DIRECTORY}" ]; then
  echo "copyPackageJsonFiles: No ${SOURCE_DIRECTORY} directory. Skipping copy of package.json files."
  return 0
fi

# Returns all relevant package.json files for the source directory given as first and only parameter. 
find_package_json_files() {
  find -L "${1}" \
      -type d -name "node_modules" -prune -o \
      -type d -name "dist" -prune -o \
      -type d -name ".yalc" -prune -o \
      -type d -name "target" -prune -o \
      -type d -name "temp" -prune -o \
      -type d -name "lib" -prune -o \
      -type d -name "libs" -prune -o \
      -name 'package.json' \
      -print0 | \
      xargs -0 -r -I {} echo {}
}

(
    cd "./${SOURCE_DIRECTORY}"
    
    echo "copyPackageJsonFiles: Existing package.json files will be copied from from ${SOURCE_DIRECTORY} to ../${ARTIFACTS_DIRECTORY}/${NPM_PACKAGE_JSON_ARTIFACTS_DIRECTORY}"
    echo "copyPackageJsonFiles: Author will be removed as workaround for https://github.com/jqassistant-plugin/jqassistant-npm-plugin/issues/5"
    
    copied_package_json_files=0

    for file in $( find_package_json_files . ); do
        fileDirectory=$(dirname "${file}")
        targetDirectory="../${ARTIFACTS_DIRECTORY}/${NPM_PACKAGE_JSON_ARTIFACTS_DIRECTORY}/${fileDirectory}"
        # echo "copyPackageJsonFiles: Debug: Copying ${file} to ${targetDirectory}" # debug logging

        mkdir -p "${targetDirectory}"
        cp -rf "${file}" "${targetDirectory}"

        # Workaround until the following issue is resolved:
        # https://github.com/jqassistant-plugin/jqassistant-npm-plugin/issues/5
        fileName=$(basename "${file}")
        jq 'del(.author)' "${targetDirectory}/${fileName}" > "${targetDirectory}/${fileName}.edited"
        jq 'del(.contributors)' "${targetDirectory}/${fileName}.edited" > "${targetDirectory}/${fileName}"
        rm -f "${targetDirectory}/${fileName}.edited"

        copied_package_json_files=$((copied_package_json_files + 1))
    done

    echo "copyPackageJsonFiles: Successfully copied ${copied_package_json_files} files"
)