apitally/dist/loggers/winston.js

Simple API monitoring & analytics for REST APIs built with Express, Fastify, NestJS, AdonisJS, Hono, H3, Elysia, Hapi, and Koa.

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });

// src/loggers/utils.ts
import { format } from "util";
function formatMessage(message, ...args) {
  return [
    message,
    ...args
  ].map(formatArg).filter((arg) => arg !== "").join("\n");
}
__name(formatMessage, "formatMessage");
function removeKeys(obj, keys) {
  return Object.fromEntries(Object.entries(obj).filter(([key]) => !keys.includes(key)));
}
__name(removeKeys, "removeKeys");
function formatArg(arg) {
  if (typeof arg === "string") {
    return arg.trim();
  }
  if (arg instanceof Error) {
    return format(arg).trim();
  }
  if (arg === void 0 || arg === null || isEmptyObject(arg)) {
    return "";
  }
  try {
    return JSON.stringify(arg);
  } catch {
    return format(arg).trim();
  }
}
__name(formatArg, "formatArg");
function isEmptyObject(obj) {
  return obj !== null && typeof obj === "object" && Object.getPrototypeOf(obj) === Object.prototype && Object.keys(obj).length === 0;
}
__name(isEmptyObject, "isEmptyObject");

// src/loggers/winston.ts
var MAX_BUFFER_SIZE = 1e3;
var isPatched = false;
var globalLogsContext;
async function patchWinston(logsContext) {
  var _a, _b;
  globalLogsContext = logsContext;
  if (isPatched) {
    return;
  }
  try {
    const loggerModule = await import("winston/lib/winston/logger.js");
    if ((_b = (_a = loggerModule.default) == null ? void 0 : _a.prototype) == null ? void 0 : _b.write) {
      const originalWrite = loggerModule.default.prototype.write;
      loggerModule.default.prototype.write = function(info) {
        captureLog(info);
        return originalWrite.call(this, info);
      };
    }
  } catch {
  }
  isPatched = true;
}
__name(patchWinston, "patchWinston");
function captureLog(info) {
  const logs = globalLogsContext == null ? void 0 : globalLogsContext.getStore();
  if (!logs || !info || logs.length >= MAX_BUFFER_SIZE) {
    return;
  }
  try {
    const rest = removeKeys(info, [
      "timestamp",
      "level",
      "message",
      "splat"
    ]);
    const formattedMessage = formatMessage(info.message, rest);
    if (formattedMessage) {
      logs.push({
        timestamp: parseTimestamp(info.timestamp),
        level: info.level || "info",
        message: formattedMessage.trim()
      });
    }
  } catch (e) {
  }
}
__name(captureLog, "captureLog");
function parseTimestamp(timestamp) {
  if (timestamp) {
    const ts = new Date(timestamp).getTime();
    if (!isNaN(ts)) {
      return ts / 1e3;
    }
  }
  return Date.now() / 1e3;
}
__name(parseTimestamp, "parseTimestamp");
export {
  patchWinston
};
//# sourceMappingURL=winston.js.map