@genkit-ai/core/lib/logging.js

Genkit AI framework core libraries.

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var logging_exports = {};
__export(logging_exports, {
  logger: () => logger
});
module.exports = __toCommonJS(logging_exports);
var import_api = require("@opentelemetry/api");
var import_api_logs = require("@opentelemetry/api-logs");
const LOG_LEVELS = ["debug", "info", "warn", "error"];
const loggerKey = "__genkit_logger";
const _defaultLogger = {
  shouldLog(targetLevel) {
    return LOG_LEVELS.indexOf(this.level) <= LOG_LEVELS.indexOf(targetLevel);
  },
  debug(...args) {
    this.shouldLog("debug") && console.debug(...args);
  },
  info(...args) {
    this.shouldLog("info") && console.info(...args);
  },
  warn(...args) {
    this.shouldLog("warn") && console.warn(...args);
  },
  error(...args) {
    this.shouldLog("error") && console.error(...args);
  },
  level: "info"
};
function getLogger() {
  if (!global[loggerKey]) {
    global[loggerKey] = _defaultLogger;
  }
  return global[loggerKey];
}
class Logger {
  defaultLogger = _defaultLogger;
  _emitOtel(level, args, explicitBody, explicitAttributes) {
    if (process.env.GENKIT_OTEL_ENABLE_LOGS !== "true") {
      return;
    }
    try {
      const currentLevel = getLogger().level || "info";
      if (LOG_LEVELS.indexOf(currentLevel) > LOG_LEVELS.indexOf(level)) {
        return;
      }
      const otelLogger = import_api_logs.logs.getLogger("genkit-logger");
      let severityNumber;
      switch (level) {
        case "debug":
          severityNumber = import_api_logs.SeverityNumber.DEBUG;
          break;
        case "info":
          severityNumber = import_api_logs.SeverityNumber.INFO;
          break;
        case "warn":
          severityNumber = import_api_logs.SeverityNumber.WARN;
          break;
        case "error":
          severityNumber = import_api_logs.SeverityNumber.ERROR;
          break;
        default:
          severityNumber = import_api_logs.SeverityNumber.UNSPECIFIED;
          break;
      }
      let body;
      const attributes = explicitAttributes || {};
      if (explicitBody !== void 0) {
        body = explicitBody;
      } else if (args.length === 1 && typeof args[0] === "string") {
        body = args[0];
      } else {
        const util = require("util");
        body = util.format(...args);
      }
      let activeContext;
      try {
        activeContext = import_api.context.active();
      } catch (e) {
      }
      otelLogger.emit({
        severityNumber,
        severityText: level.toUpperCase(),
        body,
        attributes,
        ...activeContext ? { context: activeContext } : {}
      });
    } catch (err) {
    }
  }
  init(fn) {
    global[loggerKey] = fn;
  }
  info(...args) {
    getLogger().info.apply(getLogger(), args);
    this._emitOtel("info", args);
  }
  debug(...args) {
    getLogger().debug.apply(getLogger(), args);
    this._emitOtel("debug", args);
  }
  error(...args) {
    getLogger().error.apply(getLogger(), args);
    this._emitOtel("error", args);
  }
  warn(...args) {
    getLogger().warn.apply(getLogger(), args);
    this._emitOtel("warn", args);
  }
  setLogLevel(level) {
    getLogger().level = level;
  }
  logStructured(msg, metadata) {
    getLogger().info(msg, metadata);
    this._emitOtel("info", [], msg, metadata);
  }
  logStructuredError(msg, metadata) {
    getLogger().error(msg, metadata);
    this._emitOtel("error", [], msg, metadata);
  }
}
const logger = new Logger();
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  logger
});
//# sourceMappingURL=logging.js.map