only-changed-jest-watch-plugin/example/node_modules/jest-cli/build/reporters/default_reporter.js

Jest watch plugin for running either only the modified test (for TDD), or tests of dependant modules

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});

var _jestUtil;

function _load_jestUtil() {
  return (_jestUtil = require('jest-util'));
}

var _chalk;

function _load_chalk() {
  return (_chalk = _interopRequireDefault(require('chalk')));
}

var _base_reporter;

function _load_base_reporter() {
  return (_base_reporter = _interopRequireDefault(require('./base_reporter')));
}

var _Status;

function _load_Status() {
  return (_Status = _interopRequireDefault(require('./Status')));
}

var _get_result_header;

function _load_get_result_header() {
  return (_get_result_header = _interopRequireDefault(
    require('./get_result_header')
  ));
}

var _get_snapshot_status;

function _load_get_snapshot_status() {
  return (_get_snapshot_status = _interopRequireDefault(
    require('./get_snapshot_status')
  ));
}

function _interopRequireDefault(obj) {
  return obj && obj.__esModule ? obj : {default: obj};
}

/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 */

/* global stream$Writable, tty$WriteStream */

const TITLE_BULLET = (_chalk || _load_chalk()).default.bold('\u25cf ');

class DefaultReporter extends (_base_reporter || _load_base_reporter())
  .default {
  constructor(globalConfig) {
    super();
    this._globalConfig = globalConfig;
    this._clear = '';
    this._out = process.stdout.write.bind(process.stdout);
    this._err = process.stderr.write.bind(process.stderr);
    this._status = new (_Status || _load_Status()).default();
    this._bufferedOutput = new Set();
    this._wrapStdio(process.stdout);
    this._wrapStdio(process.stderr);
    this._status.onChange(() => {
      this._clearStatus();
      this._printStatus();
    });
  } // ANSI clear sequence for the last printed status

  _wrapStdio(stream) {
    const originalWrite = stream.write;

    let buffer = [];
    let timeout = null;

    const flushBufferedOutput = () => {
      const string = buffer.join('');
      buffer = [];

      // This is to avoid conflicts between random output and status text
      this._clearStatus();
      if (string) {
        originalWrite.call(stream, string);
      }
      this._printStatus();

      this._bufferedOutput.delete(flushBufferedOutput);
    };

    this._bufferedOutput.add(flushBufferedOutput);

    const debouncedFlush = () => {
      // If the process blows up no errors would be printed.
      // There should be a smart way to buffer stderr, but for now
      // we just won't buffer it.
      if (stream === process.stderr) {
        flushBufferedOutput();
      } else {
        if (!timeout) {
          timeout = setTimeout(() => {
            flushBufferedOutput();
            timeout = null;
          }, 100);
        }
      }
    };

    // $FlowFixMe
    stream.write = chunk => {
      buffer.push(chunk);
      debouncedFlush();
      return true;
    };
  }

  // Don't wait for the debounced call and flush all output immediately.
  forceFlushBufferedOutput() {
    for (const flushBufferedOutput of this._bufferedOutput) {
      flushBufferedOutput();
    }
  }

  _clearStatus() {
    if ((_jestUtil || _load_jestUtil()).isInteractive) {
      if (this._globalConfig.useStderr) {
        this._err(this._clear);
      } else {
        this._out(this._clear);
      }
    }
  }

  _printStatus() {
    var _status$get = this._status.get();

    const content = _status$get.content,
      clear = _status$get.clear;

    this._clear = clear;
    if ((_jestUtil || _load_jestUtil()).isInteractive) {
      if (this._globalConfig.useStderr) {
        this._err(content);
      } else {
        this._out(content);
      }
    }
  }

  onRunStart(aggregatedResults, options) {
    this._status.runStarted(aggregatedResults, options);
  }

  onTestStart(test) {
    this._status.testStarted(test.path, test.context.config);
  }

  onRunComplete() {
    this.forceFlushBufferedOutput();
    this._status.runFinished();
    // $FlowFixMe
    process.stdout.write = this._out;
    // $FlowFixMe
    process.stderr.write = this._err;
    (0, (_jestUtil || _load_jestUtil()).clearLine)(process.stderr);
  }

  onTestResult(test, testResult, aggregatedResults) {
    this.testFinished(test.context.config, testResult, aggregatedResults);
    if (!testResult.skipped) {
      this.printTestFileHeader(
        testResult.testFilePath,
        test.context.config,
        testResult
      );
      this.printTestFileFailureMessage(
        testResult.testFilePath,
        test.context.config,
        testResult
      );
    }
    this.forceFlushBufferedOutput();
  }

  testFinished(config, testResult, aggregatedResults) {
    this._status.testFinished(config, testResult, aggregatedResults);
  }

  printTestFileHeader(testPath, config, result) {
    this.log(
      (0, (_get_result_header || _load_get_result_header()).default)(
        result,
        this._globalConfig,
        config
      )
    );
    const consoleBuffer = result.console;
    if (consoleBuffer && consoleBuffer.length) {
      this.log(
        '  ' +
          TITLE_BULLET +
          'Console\n\n' +
          (0, (_jestUtil || _load_jestUtil()).getConsoleOutput)(
            config.cwd,
            !!this._globalConfig.verbose,
            consoleBuffer
          )
      );
    }
  }

  printTestFileFailureMessage(testPath, config, result) {
    if (result.failureMessage) {
      this.log(result.failureMessage);
    }
    const didUpdate = this._globalConfig.updateSnapshot === 'all';
    const snapshotStatuses = (0,
    (_get_snapshot_status || _load_get_snapshot_status()).default)(
      result.snapshot,
      didUpdate
    );
    snapshotStatuses.forEach(this.log);
  }
}
exports.default = DefaultReporter;