Function prettyLoggerBrowser

packages/effect/src/internal/logger.ts:414–482

(options: {
  readonly colors: boolean
  readonly formatDate: (date: Date) => string
})

}

const prettyLoggerBrowser = (options: {
  readonly colors: boolean
  readonly formatDate: (date: Date) => string
}) => {
  const color = options.colors ? "%c" : ""
  return makeLogger<unknown, void>(
    ({ annotations, cause, context, date, fiberId, logLevel, message: message_, spans }) => {
      const services = FiberRefs.getOrDefault(context, defaultServices.currentServices)
      const console = Context.get(services, consoleTag).unsafe
      const message = Arr.ensure(message_)

      let firstLine = `${color}[${options.formatDate(date)}]`
      const firstParams = []
      if (options.colors) {
        firstParams.push("color:gray")
      }
      firstLine += ` ${color}${logLevel.label}${color} (${fiberId_.threadName(fiberId)})`
      if (options.colors) {
        firstParams.push(logLevelStyle[logLevel._tag], "")
      }
      if (List.isCons(spans)) {
        const now = date.getTime()
        const render = logSpan_.render(now)
        for (const span of spans) {
          firstLine += " " + render(span)
        }
      }

      firstLine += ":"

      let messageIndex = 0
      if (message.length > 0) {
        const firstMaybeString = structuredMessage(message[0])
        if (typeof firstMaybeString === "string") {
          firstLine += ` ${color}${firstMaybeString}`
          if (options.colors) {
            firstParams.push("color:deepskyblue")
          }
          messageIndex++
        }
      }

      console.groupCollapsed(firstLine, ...firstParams)

      if (!Cause.isEmpty(cause)) {
        console.error(...Cause.prettyErrors(cause))
      }

      if (messageIndex < message.length) {
        for (; messageIndex < message.length; messageIndex++) {
          console.log(Inspectable.redact(message[messageIndex]))
        }
      }

      if (HashMap.size(annotations) > 0) {
        for (const [key, value] of annotations) {
          const redacted = Inspectable.redact(value)
          if (options.colors) {