Logging

pnpm add @faremeter/logs

import { getLogger } from "@faremeter/logs"

const logger = await getLogger(["my-app"])

logger.info("Server started", { port: 3000 })
logger.error("Request failed", { status: 500, path: "/api/resource" })

import { configureApp, getLogger } from "@faremeter/logs"

await configureApp({ level: "debug" })

const logger = await getLogger(["my-app"])
logger.debug("This will now appear")

import { LogLevels } from "@faremeter/logs"

// ["trace", "debug", "info", "warning", "error", "fatal"]

logger.info("Payment settled", {
  txHash: "5xK9...",
  network: "devnet",
  amount: 0.01,
})

import type { LoggingBackend, LogLevel, LogArgs } from "@faremeter/logs"

const myBackend: LoggingBackend = {
  async configureApp({ level }: { level: LogLevel }) {
    // Store the configured level, initialize your transport, etc.
  },

  getLogger(subsystem: readonly string[]) {
    const prefix = subsystem.join(":")
    return {
      debug: (msg, ctx?) => console.debug(`[${prefix}]`, msg, ctx),
      info: (msg, ctx?) => console.info(`[${prefix}]`, msg, ctx),
      warning: (msg, ctx?) => console.warn(`[${prefix}]`, msg, ctx),
      error: (msg, ctx?) => console.error(`[${prefix}]`, msg, ctx),
      fatal: (msg, ctx?) => console.error(`[FATAL][${prefix}]`, msg, ctx),
    }
  },
}

import { configureApp } from "@faremeter/logs"

await configureApp({ level: "debug", backend: myBackend })

pnpm add @logtape/logtape

import { configureApp } from "@faremeter/logs"
import { LogtapeBackend } from "@faremeter/logs/logtape"

await configureApp({ level: "info", backend: LogtapeBackend })