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// Type definitions for pino-pretty 7.0
// Project: https://github.com/pinojs/pino-pretty#readme
// Definitions by: Adam Vigneaux <https://github.com/AdamVig>
//                 tearwyx <https://github.com/tearwyx>
// Minimum TypeScript Version: 3.0

/// <reference types="node" />

import { Transform } from 'node:stream';
import { OnUnknown } from 'pino-abstract-transport';
// @ts-ignore fall back to any if pino is not available, i.e. when running pino tests
import { DestinationStream, Level } from 'pino';
import * as Colorette from "colorette";

type LogDescriptor = Record<string, unknown>;

declare function PinoPretty(options?: PinoPretty.PrettyOptions): PinoPretty.PrettyStream;
declare namespace PinoPretty {

  function colorizerFactory(
    useColors?: boolean,
    customColors?: [number, string][],
    useOnlyCustomProps?: boolean,
  ): {
    (
      level?: number | string,
      opts?: {
        customLevels?: { [level: number]: string };
        customLevelNames?: { [name: string]: number };
      },
    ): string,
    message: (input: string | number) => string,
    greyMessage: (input: string | number) => string,
  }

  function prettyFactory(options: PrettyOptions): (inputData: any) => string

  interface PrettyOptions {
    /**
     * Hide objects from output (but not error object).
     * @default false
     */
    hideObject?: boolean;
    /**
     * Translate the epoch time value into a human readable date and time string. This flag also can set the format
     * string to apply when translating the date to human readable format. For a list of available pattern letters
     * see the {@link https://www.npmjs.com/package/dateformat|dateformat documentation}.
     * - The default format is `yyyy-mm-dd HH:MM:ss.l o` in UTC.
     * - Requires a `SYS:` prefix to translate time to the local system's timezone. Use the shortcut `SYS:standard`
     *   to translate time to `yyyy-mm-dd HH:MM:ss.l o` in system timezone.
     * @default false
     */
    translateTime?: boolean | string;
    /**
     * If set to true, it will print the name of the log level as the first field in the log line.
     * @default false
     */
    levelFirst?: boolean;
    /**
     * Define the key that contains the level of the log.
     * @default "level"
     */
    levelKey?: string;
    /**
     * Output the log level using the specified label.
     * @default "levelLabel"
     */
    levelLabel?: string;
    /**
     * The key in the JSON object to use as the highlighted message.
     * @default "msg"
     *
     * Not required when used with pino >= 8.21.0
     */
    messageKey?: string;
    /**
     * Print each log message on a single line (errors will still be multi-line).
     * @default false
     */
    singleLine?: boolean;
    /**
     * The key in the JSON object to use for timestamp display.
     * @default "time"
     */
    timestampKey?: string;
    /**
     * The minimum log level to include in the output.
     * @default "trace"
     */
    minimumLevel?: Level;
    /**
     * Format output of message, e.g. {level} - {pid} will output message: INFO - 1123
     * @default false
     *
     * @example
     * ```typescript
     * {
     *   messageFormat: (log, messageKey) => {
     *     const message = log[messageKey];
     *     if (log.requestId) return `[${log.requestId}] ${message}`;
     *     return message;
     *   }
     * }
     * ```
     */
    messageFormat?: false | string | MessageFormatFunc;
    /**
     * If set to true, will add color information to the formatted output message.
     * @default false
     */
    colorize?: boolean;
    /**
     * If set to false while `colorize` is `true`, will output JSON objects without color.
     * @default true
     */
    colorizeObjects?: boolean;
    /**
     * Appends carriage return and line feed, instead of just a line feed, to the formatted log line.
     * @default false
     */
    crlf?: boolean;
    /**
     * Define the log keys that are associated with error like objects.
     * @default ["err", "error"]
     *
     * Not required to handle custom errorKey when used with pino >= 8.21.0
     */
    errorLikeObjectKeys?: string[];
    /**
     *  When formatting an error object, display this list of properties.
     *  The list should be a comma separated list of properties.
     * @default ""
     */
    errorProps?: string;
    /**
     * Ignore one or several keys.
     * Will be overridden by the option include if include is presented.
     * @example "time,hostname"
     */
    ignore?: string;
    /**
     * Include one or several keys.
     * @example "time,level"
     */
    include?: string;
    /**
     * Makes messaging synchronous.
     * @default false
     */
    sync?: boolean;
    /**
     * The file, file descriptor, or stream to write to.  Defaults to 1 (stdout).
     * @default 1
     */
    destination?: string | number | DestinationStream | NodeJS.WritableStream;
    /**
     * Opens the file with the 'a' flag.
     * @default true
     */
    append?: boolean;
    /**
     * Ensure directory for destination file exists.
     * @default false
     */
    mkdir?: boolean;
    /**
     * Provides the ability to add a custom prettify function for specific log properties.
     * `customPrettifiers` is an object, where keys are log properties that will be prettified
     * and value is the prettify function itself.
     * For example, if a log line contains a query property, you can specify a prettifier for it:
     * @default {}
     *
     * @example
     * ```typescript
     * {
     *   customPrettifiers: {
     *     query: prettifyQuery
     *   }
     * }
     * //...
     * const prettifyQuery = value => {
     *  // do some prettify magic
     * }
     * ```
     */
    customPrettifiers?: Record<string, Prettifier> &
      {
        level?: Prettifier
      };
    /**
     * Change the level names and values to an user custom preset.
     *
     * Can be a CSV string in 'level_name:level_value' format or an object.
     *
     * @example ( CSV ) customLevels: 'info:10,some_level:40'
     * @example ( Object ) customLevels: { info: 10, some_level: 40 }
     *
     * Not required when used with pino >= 8.21.0
     */
    customLevels?: string|object;
    /**
     * Change the level colors to an user custom preset.
     *
     * Can be a CSV string in 'level_name:color_value' format or an object.
     * Also supports 'default' as level_name for fallback color.
     *
     * @example ( CSV ) customColors: 'info:white,some_level:red'
     * @example ( Object ) customColors: { info: 'white', some_level: 'red' }
     */
    customColors?: string|object;
    /**
     * Only use custom levels and colors (if provided); else fallback to default levels and colors.
     *
     * @default true
     */
    useOnlyCustomProps?: boolean;
  }

  function build(options: PrettyOptions): PrettyStream;

  type Prettifier = (inputData: string | object, key: string, log: object, extras: PrettifierExtras) => string;
  type PrettifierExtras = {colors: Colorette.Colorette, label: string, labelColorized: string};
  type MessageFormatFunc = (log: LogDescriptor, messageKey: string, levelLabel: string, extras: PrettifierExtras) => string;
  type PrettyStream = Transform & OnUnknown;
  type ColorizerFactory = typeof colorizerFactory;
  type PrettyFactory = typeof prettyFactory;
  type Build = typeof build;
  type isColorSupported = typeof Colorette.isColorSupported;

  export { build, PinoPretty, PrettyOptions, PrettyStream, colorizerFactory, prettyFactory, isColorSupported };
}

export = PinoPretty;