Function parseComponentFrame

package/src/utils/source-location.ts:486–529

* Parse the first non-internal frame from an error stack string.

(
  stack: string
)

 * Parse the first non-internal frame from an error stack string.
 */
function parseComponentFrame(
  stack: string
): { fileName: string; line: number; column?: number } | null {
  const lines = stack.split("\n");

  // Patterns to skip: our own bundle, React internals, node_modules, chunk files
  const skipPatterns = [
    /source-location/,
    /\/dist\/index\./,       // Our bundled output (dist/index.mjs, dist/index.js)
    /node_modules\//,        // Any package in node_modules
    /react-dom/,
    /react\.development/,
    /react\.production/,
    /chunk-[A-Z0-9]+/i,
    /react-stack-bottom-frame/,
    /react-reconciler/,
    /scheduler/,
    /<anonymous>/,           // Proxy handler frames
  ];

  // V8 format: "    at FnName (file:line:col)" or "    at file:line:col"
  const v8Re = /^\s*at\s+(?:.*?\s+\()?(.+?):(\d+):(\d+)\)?$/;
  // WebKit/Gecko: "FnName@file:line:col" or "@file:line:col"
  const webkitRe = /^[^@]*@(.+?):(\d+):(\d+)$/;

  for (const line of lines) {
    const trimmed = line.trim();
    if (!trimmed) continue;

    // Skip frames from internal files
    if (skipPatterns.some((p) => p.test(trimmed))) continue;

    const match = v8Re.exec(trimmed) || webkitRe.exec(trimmed);
    if (match) {
      return {
        fileName: match[1],
        line: parseInt(match[2], 10),
        column: parseInt(match[3], 10),
      };
    }
  }

  return null;
}

/**
 * Strip bundler URL prefixes from a raw source path.