/usr/share/kdevqmljssupport/nodejsmodules/ is in kdevelop-data 4:5.2.1-1ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kdevqmljssupport/nodejsmodules/__builtin_dom.js
/usr/share/kdevqmljssupport/nodejsmodules/__builtin_ecmascript.js
/usr/share/kdevqmljssupport/nodejsmodules/__builtin_qml.qml
/usr/share/kdevqmljssupport/nodejsmodules/buffer.js
/usr/share/kdevqmljssupport/nodejsmodules/child_process.js
/usr/share/kdevqmljssupport/nodejsmodules/common.js
/usr/share/kdevqmljssupport/nodejsmodules/console.js
/usr/share/kdevqmljssupport/nodejsmodules/crypto.js
/usr/share/kdevqmljssupport/nodejsmodules/dgram.js
/usr/share/kdevqmljssupport/nodejsmodules/dns.js
/usr/share/kdevqmljssupport/nodejsmodules/domain.js
/usr/share/kdevqmljssupport/nodejsmodules/event.js
/usr/share/kdevqmljssupport/nodejsmodules/fs.js
/usr/share/kdevqmljssupport/nodejsmodules/http.js
/usr/share/kdevqmljssupport/nodejsmodules/https.js
/usr/share/kdevqmljssupport/nodejsmodules/net.js
/usr/share/kdevqmljssupport/nodejsmodules/os.js
/usr/share/kdevqmljssupport/nodejsmodules/path.js
/usr/share/kdevqmljssupport/nodejsmodules/punycode.js
/usr/share/kdevqmljssupport/nodejsmodules/querystring.js
/usr/share/kdevqmljssupport/nodejsmodules/readline.js
/usr/share/kdevqmljssupport/nodejsmodules/stream.js
/usr/share/kdevqmljssupport/nodejsmodules/string_decoder.js
/usr/share/kdevqmljssupport/nodejsmodules/tls.js
/usr/share/kdevqmljssupport/nodejsmodules/tty.js
/usr/share/kdevqmljssupport/nodejsmodules/url.js
/usr/share/kdevqmljssupport/nodejsmodules/util.js
/usr/share/kdevqmljssupport/nodejsmodules/vm.js
/usr/share/kdevqmljssupport/nodejsmodules/zlib.js