fix: allow to set randomizationFactor to 0 (#1447)
fix: allow to set randomizationFactor to 0 (#1447)

Documentation: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#nullish-coalescing

Related: https://github.com/socketio/socket.io-client/issues/1231

socketio/socket.io-client,socketio/socket.io-client,Automattic/socket.io-client,socketio/socket.io-client