@neodx/log/_internal/create-logger-factory-BmydF_vP.mjs.map

A lightweight universal logging framework

{"version":3,"file":"create-logger-factory-BmydF_vP.mjs","sources":["../../src/core/shared.ts","../../src/core/create-logger-factory.ts"],"sourcesContent":["import type { LoggerLevelsConfig, LoggerParamsWithLevels } from './types';\n\nexport type DefaultLoggerLevel = keyof DefaultLoggerLevelsConfig;\nexport type DefaultLoggerLevelsConfig = typeof DEFAULT_LOGGER_LEVELS;\n\nexport const LOGGER_SILENT_LEVEL = 'silent' as const;\nexport const DEFAULT_LOGGER_LEVELS = {\n  error: 10,\n  warn: 20,\n  info: 30,\n  done: 40,\n  debug: 50,\n\n  success: 'done' as const,\n  verbose: 'debug' as const,\n  [LOGGER_SILENT_LEVEL]: Infinity\n} satisfies Readonly<LoggerLevelsConfig<string>>;\n\nexport const DEFAULT_LOGGER_PARAMS = {\n  levels: DEFAULT_LOGGER_LEVELS,\n  level: 'done',\n  name: '',\n  transform: [],\n  target: [],\n  meta: {}\n} satisfies Readonly<LoggerParamsWithLevels<typeof DEFAULT_LOGGER_LEVELS>>;\n","/* eslint-disable @typescript-eslint/no-explicit-any */\nimport { isEmpty, isTruthy, isTypeOfFunction, isTypeOfString, keys, toArray } from '@neodx/std';\nimport type { LogArguments } from '../utils';\nimport { LOGGER_SILENT_LEVEL } from './shared';\nimport type {\n  BaseLevelsConfig,\n  CreateLogger,\n  GetLevelNames,\n  LogChunk,\n  Logger,\n  LoggerLevelsConfig,\n  LoggerMethods,\n  LoggerParamsWithLevels,\n  LoggerTransformer\n} from './types';\n\nexport interface CreateLoggerFactoryParams<Levels extends LoggerLevelsConfig<string>> {\n  defaultParams: LoggerParamsWithLevels<Levels>;\n  readArguments(args: unknown[]): LogArguments;\n  /**\n   * Formats a message template with replaces.\n   * @default Our lightweight implementation with %s, %d, %i, %f, %j/%o/%O (same output as %j) support\n   * @example (template, replaces) => util.format(template, ...replaces) // Node.js util.format\n   */\n  formatMessage(template: string, replaces: unknown[]): string;\n}\n\nexport function createLoggerFactory<LevelsConfig extends LoggerLevelsConfig<string>>({\n  defaultParams,\n  formatMessage,\n  readArguments\n}: CreateLoggerFactoryParams<LevelsConfig>): CreateLogger<GetLevelNames<LevelsConfig>> {\n  function createLogger(userParams: any): Logger<any> {\n    const params = { ...defaultParams, ...userParams } as Required<\n      LoggerParamsWithLevels<LevelsConfig>\n    >;\n    const { meta, target, level: rootLevel, name = '', levels } = params;\n    const transform = toArray(params.transform) as unknown as LoggerTransformer<\n      GetLevelNames<LevelsConfig>\n    >[];\n    const targets = toArray(target)\n      .filter(isTruthy)\n      .map(target => (isTypeOfFunction(target) ? { target } : target))\n      .map(({ target, level }) => ({\n        level: level && getOriginalLevelName(level, levels),\n        target: toArray(target).filter(isTruthy)\n      }))\n      .filter(target => !isEmpty(target.target) && !isSilent(target.level));\n\n    const log = (levelOrAlias: GetLevelNames<LevelsConfig>, ...args: unknown[]) => {\n      const level = getOriginalLevelName(levelOrAlias, levels);\n\n      if (isSilent(rootLevel) || (rootLevel && levels[level]! > levels[rootLevel]!)) return;\n      const [[unknownMsgTemplate = '', ...msgArgs], additionalFields, error] = readArguments(args);\n      const msgTemplate = String(unknownMsgTemplate);\n      const chunk = transform.reduce<LogChunk<GetLevelNames<LevelsConfig>>>(\n        (chunk, transformer) => transformer(chunk),\n        {\n          name,\n          level,\n          error,\n          meta: {\n            ...meta,\n            ...additionalFields\n          },\n          date: new Date(),\n          msgArgs,\n          msgTemplate,\n          msg: isEmpty(msgArgs) ? msgTemplate : formatMessage(msgTemplate, msgArgs),\n          __: {\n            originalLevel: levelOrAlias,\n            levels: levels as LoggerLevelsConfig<GetLevelNames<LevelsConfig>>\n          }\n        }\n      );\n\n      for (const handle of targets) {\n        if (handle.level && levels[handle.level]! > levels[level]!) continue;\n        handle.target.forEach(fn => fn(chunk as any));\n      }\n    };\n\n    const methods = Object.fromEntries(\n      keys(levels).map(level => [level, log.bind(null, level)])\n    ) as LoggerMethods<GetLevelNames<LevelsConfig>>;\n\n    return {\n      ...methods,\n      get meta() {\n        return { ...params.meta };\n      },\n      fork: (params: any) => createLogger({ ...userParams, ...params }),\n      child: (childName: string, params: any) =>\n        createLogger({\n          ...userParams,\n          ...params,\n          name: name ? `${name}:${childName}` : childName\n        })\n    } as Logger<GetLevelNames<LevelsConfig>>;\n  }\n\n  return createLogger;\n}\n\nconst isSilent = (value?: string): value is 'silent' => value === LOGGER_SILENT_LEVEL;\nconst getOriginalLevelName = <Config extends BaseLevelsConfig>(\n  level: GetLevelNames<Config>,\n  levels: Config\n): GetLevelNames<Config> => {\n  const value = levels[level] as GetLevelNames<Config> | number;\n\n  return isTypeOfString(value) ? 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