@feathersjs/commons/src/debug.ts

/* eslint-disable @typescript-eslint/no-empty-function */
export type DebugFunction = (...args: any[]) => void
export type DebugInitializer = (name: string) => DebugFunction

const debuggers: { [key: string]: DebugFunction } = {}

export function noopDebug(): DebugFunction {
  return function () {}
}

let defaultInitializer: DebugInitializer = noopDebug

export function setDebug(debug: DebugInitializer) {
  defaultInitializer = debug

  Object.keys(debuggers).forEach((name) => {
    debuggers[name] = debug(name)
  })
}

export function createDebug(name: string) {
  if (!debuggers[name]) {
    debuggers[name] = defaultInitializer(name)
  }

  return (...args: any[]) => debuggers[name](...args)
}