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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { useEffect } from 'react';
import util from 'util';
import { ConsoleMessageItem } from '../types.js';
interface UseConsolePatcherParams {
onNewMessage: (message: Omit<ConsoleMessageItem, 'id'>) => void;
debugMode: boolean;
}
export const useConsolePatcher = ({
onNewMessage,
debugMode,
}: UseConsolePatcherParams): void => {
useEffect(() => {
const originalConsoleLog = console.log;
const originalConsoleWarn = console.warn;
const originalConsoleError = console.error;
const originalConsoleDebug = console.debug;
const formatArgs = (args: unknown[]): string => util.format(...args);
const patchConsoleMethod =
(
type: 'log' | 'warn' | 'error' | 'debug',
originalMethod: (...args: unknown[]) => void,
) =>
(...args: unknown[]) => {
if (debugMode) {
originalMethod.apply(console, args);
}
// Then, if it's not a debug message or debugMode is on, pass to onNewMessage
if (type !== 'debug' || debugMode) {
onNewMessage({
type,
content: formatArgs(args),
count: 1,
});
}
};
console.log = patchConsoleMethod('log', originalConsoleLog);
console.warn = patchConsoleMethod('warn', originalConsoleWarn);
console.error = patchConsoleMethod('error', originalConsoleError);
console.debug = patchConsoleMethod('debug', originalConsoleDebug);
return () => {
console.log = originalConsoleLog;
console.warn = originalConsoleWarn;
console.error = originalConsoleError;
console.debug = originalConsoleDebug;
};
}, [onNewMessage, debugMode]);
};
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