common/docs/README.md

Available interfaces

Utility methods for this package are split into groups

• bn Utility methods to convert to and from BN objects
• buffer Utility methods to convert to and from Buffer objects
• hex Internal utilities to create and test for hex values
• is Type checking utilities
• jsonrpc Convenience functions for values from @polkadot/jsonrpc
• keccak Create Keccak256 values as hex, string & buffer output

Available methods

Logger

Creates a consistent log interface for messages

logger (type: string): Logger

Returns a Logger that has .log, .error and .warn methods. Loggins is done with a consistent prefix (type of logger, date) followed by the actual message uning the underlying console.

const l = require('@polkadot/util/logger')('test');

l.log('blah'); // <date>     TEST: blah