/usr/lib/ is in node-uglify 2.4.15-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/nodejs/
/usr/lib/nodejs/uglify-js/
/usr/lib/nodejs/uglify-js/bin/
/usr/lib/nodejs/uglify-js/bin/uglifyjs
/usr/lib/nodejs/uglify-js/package.json
/usr/lib/nodejs/uglify-js/lib/
/usr/lib/nodejs/uglify-js/lib/sourcemap.js
/usr/lib/nodejs/uglify-js/lib/ast.js
/usr/lib/nodejs/uglify-js/lib/compress.js
/usr/lib/nodejs/uglify-js/lib/parse.js
/usr/lib/nodejs/uglify-js/lib/scope.js
/usr/lib/nodejs/uglify-js/lib/output.js
/usr/lib/nodejs/uglify-js/lib/transform.js
/usr/lib/nodejs/uglify-js/lib/mozilla-ast.js
/usr/lib/nodejs/uglify-js/lib/utils.js
/usr/lib/nodejs/uglify-js/tools/
/usr/lib/nodejs/uglify-js/tools/node.js