Function consoleSpy

fixtures/legacy-jsx-runtimes/setupTests.js:105–179

(format, ...args)

        (message.includes('\n    in ') || message.includes('\n    at '));

      const consoleSpy = (format, ...args) => {
        // Ignore uncaught errors reported by jsdom
        // and React addendums because they're too noisy.
        if (
          !logAllErrors &&
          consoleMethod === 'error' &&
          shouldIgnoreConsoleError(format, args)
        ) {
          return;
        }

        const message = util.format(format, ...args);
        const normalizedMessage = normalizeCodeLocInfo(message);

        // Remember if the number of %s interpolations
        // doesn't match the number of arguments.
        // We'll fail the test if it happens.
        let argIndex = 0;
        format.replace(/%s/g, () => argIndex++);
        if (argIndex !== args.length) {
          lastWarningWithMismatchingFormat = {
            format,
            args,
            expectedArgCount: argIndex,
          };
        }

        // Protect against accidentally passing a component stack
        // to warning() which already injects the component stack.
        if (
          args.length >= 2 &&
          isLikelyAComponentStack(args[args.length - 1]) &&
          isLikelyAComponentStack(args[args.length - 2])
        ) {
          lastWarningWithExtraComponentStack = {
            format,
          };
        }

        for (let index = 0; index < expectedMessages.length; index++) {
          const expectedMessage = expectedMessages[index];
          if (
            normalizedMessage === expectedMessage ||
            normalizedMessage.includes(expectedMessage)
          ) {
            if (isLikelyAComponentStack(normalizedMessage)) {
              warningsWithComponentStack.push(normalizedMessage);
            } else {
              warningsWithoutComponentStack.push(normalizedMessage);
            }
            expectedMessages.splice(index, 1);
            return;
          }
        }

        let errorMessage;
        if (expectedMessages.length === 0) {
          errorMessage =