react/packages/react-devtools-shell/src/app/console.js

/**
 * 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.
 *
 * @flow
 */

function ignoreStrings(
  methodName: string,
  stringsToIgnore: Array<string>,
): void {
  // $FlowFixMe[prop-missing] index access only allowed for objects with index keys
  console[methodName] = (...args: $ReadOnlyArray<mixed>) => {
    const maybeString = args[0];
    if (typeof maybeString === 'string') {
      for (let i = 0; i < stringsToIgnore.length; i++) {
        if (maybeString.startsWith(stringsToIgnore[i])) {
          return;
        }
      }
    }

    // HACKY In the test harness, DevTools overrides the parent window's console.
    // Our test app code uses the iframe's console though.
    // To simulate a more accurate end-to-end environment,
    // the shell's console patching should pass through to the parent override methods.
    window.parent.console[methodName](...args);
  };
}

export function ignoreErrors(errorsToIgnore: Array<string>): void {
  ignoreStrings('error', errorsToIgnore);
}

export function ignoreWarnings(warningsToIgnore: Array<string>): void {
  ignoreStrings('warn', warningsToIgnore);
}

export function ignoreLogs(logsToIgnore: Array<string>): void {
  ignoreStrings('log', logsToIgnore);
}