@loglayer/transport-google-cloud-logging/dist/index.mjs

Google Cloud Logging (Stackdriver) transport for the LogLayer logging library.

import { BaseTransport, LogLevel } from "@loglayer/transport";

//#region src/GoogleCloudLoggingTransport.ts
var GoogleCloudLoggingTransport = class extends BaseTransport {
	rootLevelData;
	rootLevelMetadataFields;
	constructor(config) {
		super(config);
		this.rootLevelData = config.rootLevelData || {};
		this.rootLevelMetadataFields = config.rootLevelMetadataFields ?? [];
	}
	mapLogLevel(level) {
		switch (level) {
			case LogLevel.fatal: return "CRITICAL";
			case LogLevel.error: return "ERROR";
			case LogLevel.warn: return "WARNING";
			case LogLevel.info: return "INFO";
			case LogLevel.debug: return "DEBUG";
			case LogLevel.trace: return "DEBUG";
			default: return "DEFAULT";
		}
	}
	extractLogEntryFields(data) {
		const keys = Object.keys(data);
		const metadata = {};
		for (const key of keys) if (this.rootLevelMetadataFields.includes(key)) {
			metadata[key] = data[key];
			delete data[key];
		}
		return metadata;
	}
	shipToLogger({ data, hasData, logLevel, messages }) {
		const safeData = data && hasData ? data : {};
		const metadata = this.extractLogEntryFields(safeData);
		const entry = this.logger.entry({
			...this.rootLevelData,
			...metadata,
			severity: this.mapLogLevel(logLevel),
			timestamp: /* @__PURE__ */ new Date()
		}, {
			...safeData,
			message: messages.join(" ")
		});
		this.logger.write(entry);
		if (data && hasData) return [data, messages];
		return [messages];
	}
};

//#endregion
export { GoogleCloudLoggingTransport };
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