apitally
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Simple API monitoring & analytics for REST APIs built with Express, Fastify, NestJS, AdonisJS, Hono, H3, Elysia, and Koa.
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{"version":3,"sources":["../../src/loggers/winston.ts","../../src/loggers/utils.ts"],"sourcesContent":["import { AsyncLocalStorage } from \"node:async_hooks\";\n\nimport type { LogRecord } from \"../common/requestLogger.js\";\nimport { formatMessage, removeKeys } from \"./utils.js\";\n\nconst MAX_BUFFER_SIZE = 1000;\n\nlet isPatched = false;\nlet globalLogsContext: AsyncLocalStorage<LogRecord[]>;\n\nexport async function patchWinston(\n logsContext: AsyncLocalStorage<LogRecord[]>,\n) {\n globalLogsContext = logsContext;\n\n if (isPatched) {\n return;\n }\n\n try {\n // @ts-expect-error - file is not typed\n const loggerModule = await import(\"winston/lib/winston/logger.js\");\n if (loggerModule.default?.prototype?.write) {\n const originalWrite = loggerModule.default.prototype.write;\n loggerModule.default.prototype.write = function (info: any) {\n captureLog(info);\n return originalWrite.call(this, info);\n };\n }\n } catch {\n // winston is not installed, silently ignore\n }\n\n isPatched = true;\n}\n\nfunction captureLog(info: any) {\n const logs = globalLogsContext?.getStore();\n if (!logs || !info || logs.length >= MAX_BUFFER_SIZE) {\n return;\n }\n\n try {\n const rest = removeKeys(info, [\"timestamp\", \"level\", \"message\", \"splat\"]);\n const formattedMessage = formatMessage(info.message, rest);\n if (formattedMessage) {\n logs.push({\n timestamp: parseTimestamp(info.timestamp),\n level: info.level || \"info\",\n message: formattedMessage.trim(),\n });\n }\n } catch (e) {\n // ignore\n }\n}\n\nfunction parseTimestamp(timestamp: any) {\n if (timestamp) {\n const ts = new Date(timestamp).getTime();\n if (!isNaN(ts)) {\n return ts / 1000;\n }\n }\n return Date.now() / 1000;\n}\n","import { format } from \"node:util\";\n\nexport function formatMessage(message: any, ...args: any[]) {\n return [message, ...args]\n .map(formatArg)\n .filter((arg) => arg !== \"\")\n .join(\"\\n\");\n}\n\nexport function removeKeys(obj: any, keys: string[]) {\n return Object.fromEntries(\n Object.entries(obj).filter(([key]) => !keys.includes(key)),\n );\n}\n\nfunction formatArg(arg: any) {\n if (typeof arg === \"string\") {\n return arg.trim();\n }\n if (arg instanceof Error) {\n return format(arg).trim();\n }\n if (arg === undefined || arg === null || isEmptyObject(arg)) {\n return \"\";\n }\n try {\n return JSON.stringify(arg);\n } catch {\n return format(arg).trim();\n }\n}\n\nfunction isEmptyObject(obj: any) {\n return (\n obj !== null &&\n typeof obj === \"object\" &&\n Object.getPrototypeOf(obj) === Object.prototype &&\n Object.keys(obj).length === 0\n );\n}\n"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAGA;;;;;;;ACHA,uBAAuB;AAEhB,SAASA,cAAcC,YAAiBC,MAAW;AACxD,SAAO;IAACD;OAAYC;IACjBC,IAAIC,SAAAA,EACJC,OAAO,CAACC,QAAQA,QAAQ,EAAA,EACxBC,KAAK,IAAA;AACV;AALgBP;AAOT,SAASQ,WAAWC,KAAUC,MAAc;AACjD,SAAOC,OAAOC,YACZD,OAAOE,QAAQJ,GAAAA,EAAKJ,OAAO,CAAC,CAACS,GAAAA,MAAS,CAACJ,KAAKK,SAASD,GAAAA,CAAAA,CAAAA;AAEzD;AAJgBN;AAMhB,SAASJ,UAAUE,KAAQ;AACzB,MAAI,OAAOA,QAAQ,UAAU;AAC3B,WAAOA,IAAIU,KAAI;EACjB;AACA,MAAIV,eAAeW,OAAO;AACxB,eAAOC,yBAAOZ,GAAAA,EAAKU,KAAI;EACzB;AACA,MAAIV,QAAQa,UAAab,QAAQ,QAAQc,cAAcd,GAAAA,GAAM;AAC3D,WAAO;EACT;AACA,MAAI;AACF,WAAOe,KAAKC,UAAUhB,GAAAA;EACxB,QAAQ;AACN,eAAOY,yBAAOZ,GAAAA,EAAKU,KAAI;EACzB;AACF;AAfSZ;AAiBT,SAASgB,cAAcX,KAAQ;AAC7B,SACEA,QAAQ,QACR,OAAOA,QAAQ,YACfE,OAAOY,eAAed,GAAAA,MAASE,OAAOa,aACtCb,OAAOD,KAAKD,GAAAA,EAAKgB,WAAW;AAEhC;AAPSL;;;AD3BT,IAAMM,kBAAkB;AAExB,IAAIC,YAAY;AAChB,IAAIC;AAEJ,eAAsBC,aACpBC,aAA2C;AAR7C;AAUEF,sBAAoBE;AAEpB,MAAIH,WAAW;AACb;EACF;AAEA,MAAI;AAEF,UAAMI,eAAe,MAAM,OAAO,+BAAA;AAClC,SAAIA,wBAAaC,YAAbD,mBAAsBE,cAAtBF,mBAAiCG,OAAO;AAC1C,YAAMC,gBAAgBJ,aAAaC,QAAQC,UAAUC;AACrDH,mBAAaC,QAAQC,UAAUC,QAAQ,SAAUE,MAAS;AACxDC,mBAAWD,IAAAA;AACX,eAAOD,cAAcG,KAAK,MAAMF,IAAAA;MAClC;IACF;EACF,QAAQ;EAER;AAEAT,cAAY;AACd;AAxBsBE;AA0BtB,SAASQ,WAAWD,MAAS;AAC3B,QAAMG,OAAOX,uDAAmBY;AAChC,MAAI,CAACD,QAAQ,CAACH,QAAQG,KAAKE,UAAUf,iBAAiB;AACpD;EACF;AAEA,MAAI;AACF,UAAMgB,OAAOC,WAAWP,MAAM;MAAC;MAAa;MAAS;MAAW;KAAQ;AACxE,UAAMQ,mBAAmBC,cAAcT,KAAKU,SAASJ,IAAAA;AACrD,QAAIE,kBAAkB;AACpBL,WAAKQ,KAAK;QACRC,WAAWC,eAAeb,KAAKY,SAAS;QACxCE,OAAOd,KAAKc,SAAS;QACrBJ,SAASF,iBAAiBO,KAAI;MAChC,CAAA;IACF;EACF,SAASC,GAAG;EAEZ;AACF;AAnBSf;AAqBT,SAASY,eAAeD,WAAc;AACpC,MAAIA,WAAW;AACb,UAAMK,KAAK,IAAIC,KAAKN,SAAAA,EAAWO,QAAO;AACtC,QAAI,CAACC,MAAMH,EAAAA,GAAK;AACd,aAAOA,KAAK;IACd;EACF;AACA,SAAOC,KAAKG,IAAG,IAAK;AACtB;AARSR;","names":["formatMessage","message","args","map","formatArg","filter","arg","join","removeKeys","obj","keys","Object","fromEntries","entries","key","includes","trim","Error","format","undefined","isEmptyObject","JSON","stringify","getPrototypeOf","prototype","length","MAX_BUFFER_SIZE","isPatched","globalLogsContext","patchWinston","logsContext","loggerModule","default","prototype","write","originalWrite","info","captureLog","call","logs","getStore","length","rest","removeKeys","formattedMessage","formatMessage","message","push","timestamp","parseTimestamp","level","trim","e","ts","Date","getTime","isNaN","now"]}