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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/metro/src/lib

Просмотр файла: reporting.d.ts

/**
 * 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
 * @oncall react_native
 */

import type {HealthCheckResult, WatcherStatus} from 'metro-file-map';

export interface BundleDetails {
  bundleType: string;
  dev: boolean;
  entryFile: string;
  minify: boolean;
  platform?: string;
  runtimeBytecodeVersion?: number;
}

/**
 * A tagged union of all the actions that may happen and we may want to
 * report to the tool user.
 */
export type ReportableEvent =
  | {
      port: number;
      hasReducedPerformance: boolean;
      type: 'initialize_started';
    }
  | {
      type: 'initialize_failed';
      port: number;
      error: Error;
    }
  | {
      buildID: string;
      type: 'bundle_build_done';
    }
  | {
      buildID: string;
      type: 'bundle_build_failed';
    }
  | {
      buildID: string;
      bundleDetails: BundleDetails;
      type: 'bundle_build_started';
    }
  | {
      error: Error;
      type: 'bundling_error';
    }
  | {
      type: 'dep_graph_loading';
      hasReducedPerformance: boolean;
    }
  | {type: 'dep_graph_loaded'}
  | {
      buildID: string;
      type: 'bundle_transform_progressed';
      transformedFileCount: number;
      totalFileCount: number;
    }
  | {
      type: 'cache_read_error';
      error: Error;
    }
  | {
      type: 'cache_write_error';
      error: Error;
    }
  | {type: 'transform_cache_reset'}
  | {
      type: 'worker_stdout_chunk';
      chunk: string;
    }
  | {
      type: 'worker_stderr_chunk';
      chunk: string;
    }
  | {
      type: 'hmr_client_error';
      error: Error;
    }
  | {
      type: 'client_log';
      level:
        | 'trace'
        | 'info'
        | 'warn'
        | 'log'
        | 'group'
        | 'groupCollapsed'
        | 'groupEnd'
        | 'debug';
      data: unknown[];
    }
  | {
      type: 'server_listening';
      port: number;
      address: string;
      family: string;
    }
  | {
      type: 'transformer_load_started';
    }
  | {
      type: 'transformer_load_done';
    }
  | {
      type: 'transformer_load_failed';
      error: Error;
    }
  | {
      type: 'watcher_health_check_result';
      result: HealthCheckResult;
    }
  | {
      type: 'watcher_status';
      status: WatcherStatus;
    };

/**
 * Code across the application takes a reporter as an option and calls the
 * update whenever one of the ReportableEvent happens. Code does not directly
 * write to the standard output, because a build would be:
 *
 *   1. ad-hoc, embedded into another tool, in which case we do not want to
 *   pollute that tool's own output. The tool is free to present the
 *   warnings/progress we generate any way they want, by specifing a custom
 *   reporter.
 *   2. run as a background process from another tool, in which case we want
 *   to expose updates in a way that is easily machine-readable, for example
 *   a JSON-stream. We don't want to pollute it with textual messages.
 *
 * We centralize terminal reporting into a single place because we want the
 * output to be robust and consistent. The most common reporter is
 * TerminalReporter, that should be the only place in the application should
 * access the `terminal` module (nor the `console`).
 */
export interface Reporter {
  update: (event: ReportableEvent) => void;
}

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