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import util from 'node:util'; |
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import type { ConsoleMessageItem } from '../types.js'; |
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interface ConsolePatcherParams { |
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onNewMessage?: (message: Omit<ConsoleMessageItem, 'id'>) => void; |
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debugMode: boolean; |
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stderr?: boolean; |
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} |
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export class ConsolePatcher { |
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private originalConsoleLog = console.log; |
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private originalConsoleWarn = console.warn; |
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private originalConsoleError = console.error; |
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private originalConsoleDebug = console.debug; |
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private originalConsoleInfo = console.info; |
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private params: ConsolePatcherParams; |
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constructor(params: ConsolePatcherParams) { |
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this.params = params; |
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} |
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patch() { |
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console.log = this.patchConsoleMethod('log', this.originalConsoleLog); |
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console.warn = this.patchConsoleMethod('warn', this.originalConsoleWarn); |
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console.error = this.patchConsoleMethod('error', this.originalConsoleError); |
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console.debug = this.patchConsoleMethod('debug', this.originalConsoleDebug); |
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console.info = this.patchConsoleMethod('info', this.originalConsoleInfo); |
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} |
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cleanup = () => { |
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console.log = this.originalConsoleLog; |
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console.warn = this.originalConsoleWarn; |
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console.error = this.originalConsoleError; |
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console.debug = this.originalConsoleDebug; |
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console.info = this.originalConsoleInfo; |
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}; |
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private formatArgs = (args: unknown[]): string => util.format(...args); |
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private patchConsoleMethod = |
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( |
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type: 'log' | 'warn' | 'error' | 'debug' | 'info', |
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originalMethod: (...args: unknown[]) => void, |
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) => |
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(...args: unknown[]) => { |
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if (this.params.stderr) { |
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if (type !== 'debug' || this.params.debugMode) { |
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this.originalConsoleError(this.formatArgs(args)); |
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} |
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} else { |
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if (this.params.debugMode) { |
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originalMethod.apply(console, args); |
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} |
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if (type !== 'debug' || this.params.debugMode) { |
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this.params.onNewMessage?.({ |
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type, |
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content: this.formatArgs(args), |
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count: 1, |
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}); |
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} |
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} |
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}; |
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} |
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