consoleMock.js — react Source File

Source Code

/**
 * 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.
 */

/* eslint-disable react-internal/no-production-logging */

const chalk = require('chalk');
const util = require('util');
const shouldIgnoreConsoleError = require('./shouldIgnoreConsoleError');
const shouldIgnoreConsoleWarn = require('./shouldIgnoreConsoleWarn');
import {diff} from 'jest-diff';
import {printReceived} from 'jest-matcher-utils';

// Annoying: need to store the log array on the global or it would
// change reference whenever you call jest.resetModules after patch.
const loggedErrors = (global.__loggedErrors = global.__loggedErrors || []);
const loggedWarns = (global.__loggedWarns = global.__loggedWarns || []);
const loggedLogs = (global.__loggedLogs = global.__loggedLogs || []);

const patchConsoleMethod = (methodName, logged) => {
  const newMethod = function (format, ...args) {
    // Ignore uncaught errors reported by jsdom
    // and React addendums because they're too noisy.
    if (shouldIgnoreConsoleError(format, args)) {
      return;
    }

    // Ignore certain React warnings causing test failures
    if (methodName === 'warn' && shouldIgnoreConsoleWarn(format)) {
      return;
    }

    // Append Component Stacks. Simulates a framework or DevTools appending them.
    if (
      typeof format === 'string' &&
      (methodName === 'error' || methodName === 'warn')
    ) {
      const React = require('react');

      // Ideally we could remove this check, but we have some tests like
      // useSyncExternalStoreShared-test that tests against React 17,
      // which doesn't have the captureOwnerStack method.
      if (React.captureOwnerStack) {
        const stack = React.captureOwnerStack();
        if (stack) {
          format += '%s';
          args.push(stack);
        }
      }
    }

    logged.push([format, ...args]);
  };

  console[methodName] = newMethod;

  return newMethod;
// ... (500 more lines)