Function tryFormatJson

src/components/shell/OutputLine.tsx:13–34

(line: string)

import { useExpandShellOutput } from './ExpandShellOutputContext.js';

export function tryFormatJson(line: string): string {
  try {
    const parsed = jsonParse(line);
    const stringified = jsonStringify(parsed);

    // Check if precision was lost during JSON round-trip
    // This happens when large integers exceed Number.MAX_SAFE_INTEGER
    // We normalize both strings by removing whitespace and unnecessary
    // escapes (\/ is valid but optional in JSON) for comparison
    const normalizedOriginal = line.replace(/\\\//g, '/').replace(/\s+/g, '');
    const normalizedStringified = stringified.replace(/\s+/g, '');

    if (normalizedOriginal !== normalizedStringified) {
      // Precision loss detected - return original line unformatted
      return line;
    }

    return jsonStringify(parsed, null, 2);
  } catch {
    return line;
  }
}

const MAX_JSON_FORMAT_LENGTH = 10_000;