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permissions and\nlimitations under the License.\n*/\n\nimport log, { Logger } from \"loglevel\";\n\n// This is to demonstrate, that you can use any namespace you want.\n// Namespaces allow you to turn on/off the logging for specific parts of the\n// application.\n// An idea would be to control this via an environment variable (on Node.js).\n// See https://www.npmjs.com/package/debug to see how this could be implemented\n// Part of #332 is introducing a logging library in the first place.\nconst DEFAULT_NAMESPACE = \"matrix\";\n\n// because rageshakes in react-sdk hijack the console log, also at module load time,\n// initializing the logger here races with the initialization of rageshakes.\n// to avoid the issue, we override the methodFactory of loglevel that binds to the\n// console methods at initialization time by a factory that looks up the console methods\n// when logging so we always get the current value of console methods.\nlog.methodFactory = function (methodName, logLevel, loggerName) {\n return function (this: PrefixedLogger, ...args): void {\n /* eslint-disable @typescript-eslint/no-invalid-this */\n if (this.prefix) {\n args.unshift(this.prefix);\n }\n /* eslint-enable @typescript-eslint/no-invalid-this */\n const supportedByConsole =\n methodName === \"error\" || methodName === \"warn\" || methodName === \"trace\" || methodName === \"info\";\n /* eslint-disable no-console */\n if (supportedByConsole) {\n return console[methodName](...args);\n } else {\n return console.log(...args);\n }\n /* eslint-enable no-console */\n };\n};\n\n/**\n * Drop-in replacement for `console` using {@link https://www.npmjs.com/package/loglevel|loglevel}.\n * Can be tailored down to specific use cases if needed.\n */\nexport const logger = log.getLogger(DEFAULT_NAMESPACE) as PrefixedLogger;\nlogger.setLevel(log.levels.DEBUG, false);\n\nexport interface PrefixedLogger extends Logger {\n withPrefix: (prefix: string) => PrefixedLogger;\n prefix: string;\n}\n\nfunction extendLogger(logger: Logger): void {\n (<PrefixedLogger>logger).withPrefix = function (prefix: string): PrefixedLogger {\n const existingPrefix = this.prefix || \"\";\n return getPrefixedLogger(existingPrefix + prefix);\n };\n}\n\nextendLogger(logger);\n\nfunction getPrefixedLogger(prefix: string): PrefixedLogger {\n const prefixLogger = log.getLogger(`${DEFAULT_NAMESPACE}-${prefix}`) as PrefixedLogger;\n if (prefixLogger.prefix !== prefix) {\n // Only do this setup work the first time through, as loggers are saved by name.\n extendLogger(prefixLogger);\n prefixLogger.prefix = prefix;\n prefixLogger.setLevel(log.levels.DEBUG, false);\n }\n return 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