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Malte UblandClaude Code
7dbcf07fe0
Node's console writes each formatted line with stream.write(line, errorHandler), so a replaced process.stdout.write sees a string and a function; a Buffer write arrives as a Buffer. The stdio write hook carried only a `wide` bit, so every intercepted chunk became a JavaScript string and console lines carried a single argument. Replace that bit with a `flags` int (SCR_STDIO_HOOK_WIDE, _CONSOLE, _BYTES) and keep the hook signature at four parameters, so the console write path and the byte paths differ only in what they pass. scr_stdio_intercept now builds a chunk instead of a string, boxes SCR_STDIO_HOOK_BYTES as a Buffer, and appends a console error handler for SCR_STDIO_HOOK_CONSOLE. Text callers of the old string entry point move to a new scr_stdio_write_text. Corpus: stdout-patch-console-arguments.js. Co-Authored-By: Claude Code <noreply@anthropic.com> Co-Authored-By: Claude 5.5 <noreply@anthropic.com>
30 lines
1.2 KiB
JavaScript
30 lines
1.2 KiB
JavaScript
// What a replaced process.stdout.write receives from console: Node's
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// console writes each formatted line with stream.write(line, errorHandler),
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// so the replacement sees a string and a function as its second argument
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// for console.log, info, debug, dir, count, table and grouped lines alike;
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// a direct write passes exactly its own arguments. The error handler accepts
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// a null error.
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const original = process.stdout.write;
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const seen = [];
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process.stdout.write = function (chunk, encodingOrCallback, callback) {
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const kind = typeof chunk === "string" ? "string" : Buffer.isBuffer(chunk) ? "Buffer" : chunk.constructor.name;
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seen.push(`${kind}:${JSON.stringify(String(chunk))}:${typeof encodingOrCallback}:${typeof callback}`);
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if (typeof encodingOrCallback === "function") encodingOrCallback(null);
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return true;
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};
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console.log("line", 1);
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console.info("info");
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console.debug("debug");
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console.log("%s=%d", "x", 2);
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console.dir({ a: 1 });
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console.count();
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console.group("group");
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console.log("inside");
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console.groupEnd();
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console.table([{ a: 1 }]);
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process.stdout.write("direct");
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process.stdout.write("hex", "utf8");
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process.stdout.write(Buffer.from("bytes"));
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process.stdout.write = original;
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console.log(seen.join("\n"));
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