flipper-common/lib/utils/Logger.d.ts

Server & UI shared Flipper utilities

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 */
export type LoggerTypes = 'error' | 'warn' | 'info' | 'debug';
export type LoggerTrackType = 'duration' | 'usage' | 'performance' | 'success-rate' | 'operation-cancelled';
export type LoggerArgs = {
    isTest?: boolean;
};
export type LoggerInfo = {
    formatted: Array<any>;
    namespace: string;
    type: LoggerTypes;
    msg: any;
    time: number;
};
export type LoggerPerformanceEntry = {
    startTime: number;
    name: string;
    entryType: string;
    duration: number;
};
export interface Logger {
    track(type: LoggerTrackType, event: string, data?: any, plugin?: string): void;
    trackTimeSince(mark: string, eventName?: string | null | undefined, data?: any): void;
    info(...args: any[]): void;
    warn(...args: any[]): void;
    error(...args: any[]): void;
    debug(...args: any[]): void;
}
export declare function getLogger(): Logger;
export declare function setLoggerInstance(logger: Logger): void;
/**
 * A logger that doesn't log anything, used in tests and public Flipper builds
 */
export declare class NoopLogger implements Logger {
    constructor();
    track(_type: LoggerTrackType, _event: string, _data?: any, _plugin?: string): void;
    trackTimeSince(_mark: string, _eventName?: string): void;
    info(_data: any, _category: string): void;
    warn(_data: any, _category: string): void;
    error(_data: any, _category: string): void;
    debug(_data: any, _category: string): void;
}
export declare function LoggerExtractError(...data: Array<any>): {
    message: string;
    error: Error;
};
export declare function LoggerFormat(type: LoggerTypes, ...data: Array<any>): LoggerInfo;
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