npmHooks.npmInstallHook: only overwrite npm cache for `npm pack` rather than for entire hook

    runHook preInstall

    # `npm pack` writes to cache

    npm config delete cache

    local -r packageOut="$out/lib/node_modules/$(@jq@ --raw-output '.name' package.json)"

    # `npm pack` writes to cache so temporarily override it

    while IFS= read -r file; do

        local dest="$packageOut/$(dirname "$file")"

        mkdir -p "$dest"

        cp "${npmWorkspace-.}/$file" "$dest"

    done < <(@jq@ --raw-output '.[0].files | map(.path) | join("\n")' <<< "$(npm pack --json --dry-run --loglevel=warn --no-foreground-scripts ${npmWorkspace+--workspace=$npmWorkspace} $npmPackFlags "${npmPackFlagsArray[@]}" $npmFlags "${npmFlagsArray[@]}")")

    done < <(@jq@ --raw-output '.[0].files | map(.path) | join("\n")' <<< "$(npm_config_cache="$HOME/.npm" npm pack --json --dry-run --loglevel=warn --no-foreground-scripts ${npmWorkspace+--workspace=$npmWorkspace} $npmPackFlags "${npmPackFlagsArray[@]}" $npmFlags "${npmFlagsArray[@]}")")

    # Based on code from Python's buildPythonPackage wrap.sh script, for

    # supporting both the case when makeWrapperArgs is an array and a