Simple logger with custom tags and colors.

Logger.ts

import crashlytics from "@react-native-firebase/crashlytics";

export type LogLevel = "info" | "warn" | "error";

const ANSI_YELLOW = "\u001b[1;33m";
const ANSI_RED = "\u001b[1;31m";
const ANSI_BLUE = "\u001b[34m";
const ANSI_RESET_CODE = "\u001b[30m";

const LOG_COLORS: Record<LogLevel, string> = {
	info: ANSI_BLUE,
	warn: ANSI_YELLOW,
	error: ANSI_RED
}

/**
 * Logs data to the console only when in DEV mode using tags and colors.
 * Logs to Crashlytics in production.
 * @param {string} tag - An identifier representing the origin of the log.
 * @param {string} message - The data to log.
 * @param {"info" | "warn" | "error"} [level] - The level (will affect log color).
 */
export function log(tag: string, message: string, level: "info" | "warn" | "error" = "info") {
	if (!__DEV__) {
		crashlytics().log(`${level}: [${tag}] - ${message}`);
		return;
	}

	const color = LOG_COLORS[level] || ANSI_BLUE;
	console.log(`[${tag}] - ${color}${message}`, ANSI_RESET_CODE);
}