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fix: redirect console output to stderr in executor
Bundle console.log calls were mixing with JSON response output,
causing parsing failures. Now all console methods write to stderr
while only the final JSON response goes to stdout.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+18
-1
+17
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nix/runtimes/deno/executor.ts
+17
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nix/runtimes/deno/executor.ts
···
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Deno.env.set(key, value);
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}
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// Redirect console methods to stderr so bundle logs don't corrupt JSON output
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const encoder = new TextEncoder();
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const writeToStderr = (...args: unknown[]) => {
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const msg = args.map(a => typeof a === 'string' ? a : JSON.stringify(a)).join(' ') + '\n';
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Deno.stderr.writeSync(encoder.encode(msg));
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};
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console.log = writeToStderr;
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console.info = writeToStderr;
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console.warn = writeToStderr;
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console.error = writeToStderr;
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console.debug = writeToStderr;
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try {
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// Import the bundle
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const bundleUrl = `file://${req.codePath}`;
···
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}
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function output(resp: ExecResponse) {
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console.log(JSON.stringify(resp));
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// Write directly to stdout to avoid any console redirects
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const encoder = new TextEncoder();
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Deno.stdout.writeSync(encoder.encode(JSON.stringify(resp) + '\n'));
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}
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function outputError(error: string) {