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Scopes: ${Array.isArray(scope) ? scope.join(\", \") : scope}.`;\n}\n\n/**\n * Formatting the success event on the credentials\n */\nexport function formatError(scope: string | string[] | undefined, error: Error | string): string {\n let message = \"ERROR.\";\n if (scope?.length) {\n message += ` Scopes: ${Array.isArray(scope) ? scope.join(\", \") : scope}.`;\n }\n return `${message} Error message: ${typeof error === \"string\" ? error : error.message}.`;\n}\n\n/**\n * A CredentialLoggerInstance is a logger properly formatted to work in a credential's constructor, and its methods.\n */\nexport interface CredentialLoggerInstance {\n title: string;\n fullTitle: string;\n info(message: string): void;\n warning(message: string): void;\n verbose(message: string): void;\n error(err: string): void;\n}\n\n/**\n * Generates a CredentialLoggerInstance.\n *\n * It logs with the format:\n *\n * `[title] => [message]`\n *\n */\nexport function credentialLoggerInstance(\n title: string,\n parent?: CredentialLoggerInstance,\n log: AzureLogger = logger,\n): CredentialLoggerInstance {\n const fullTitle = parent ? `${parent.fullTitle} ${title}` : title;\n\n function info(message: string): void {\n log.info(`${fullTitle} =>`, message);\n }\n\n function warning(message: string): void {\n log.warning(`${fullTitle} =>`, message);\n }\n\n function verbose(message: string): void {\n log.verbose(`${fullTitle} =>`, message);\n }\n\n function error(message: string): void {\n log.error(`${fullTitle} =>`, message);\n }\n\n return {\n title,\n fullTitle,\n info,\n warning,\n verbose,\n error,\n };\n}\n\n/**\n * A CredentialLogger is a logger declared at the credential's constructor, and used at any point in the credential.\n * It has all the properties of a CredentialLoggerInstance, plus other logger instances, one per method.\n */\nexport interface CredentialLogger extends CredentialLoggerInstance {\n parent: AzureLogger;\n getToken: CredentialLoggerInstance;\n}\n\n/**\n * Generates a CredentialLogger, which is a logger declared at the credential's constructor, and used at any point in the credential.\n * It has all the properties of a CredentialLoggerInstance, plus other logger instances, one per method.\n *\n * It logs with the format:\n *\n * `[title] => [message]`\n * `[title] => getToken() => [message]`\n *\n */\nexport function credentialLogger(title: string, log: AzureLogger = logger): CredentialLogger {\n const credLogger = credentialLoggerInstance(title, undefined, log);\n return {\n ...credLogger,\n parent: log,\n getToken: credentialLoggerInstance(\"=> getToken()\", credLogger, log),\n };\n}\n"]}
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