extractLocationFromComponentStack() — react Function Reference

Source Code

packages/react-devtools-shared/src/backend/utils/parseStackTrace.js lines 348–366

export function extractLocationFromComponentStack(
  stack: string,
): ReactFunctionLocation | null {
  const stackTrace = parseStackTraceFromString(stack, 0);
  for (let i = 0; i < stackTrace.length; i++) {
    const [functionName, fileName, line, col, encLine, encCol] = stackTrace[i];
    // Take the first match with a colon in the file name.
    if (fileName.indexOf(':') !== -1) {
      return [
        functionName,
        fileName,
        // Use enclosing line if available. (Never the case here because we parse from string.)
        encLine || line,
        encCol || col,
      ];
    }
  }
  return null;
}