Function truncateToastMessage

Source

export const truncateToastMessage = (
  text: string,
  maxLength: number = 200,
): {
  isTruncated: boolean;
  truncatedText: string;
  fullText: string;
  component: React.ReactNode;
} => {
  // Early return for whitespace-only strings
  if (text.trim().length === 0) {
    return {
      isTruncated: false,
      truncatedText: text,
      fullText: text,
      component: text,
    };
  }

  // Normalize consecutive spaces/tabs to single spaces, but preserve newlines
  const normalizedText = text
    .replaceAll(/[ \t]+/g, " ") // Collapse spaces and tabs
    .replaceAll(/\n\n+/g, "\n"); // Collapse multiple newlines to single newline

  if (normalizedText.length <= maxLength) {
    return {
      isTruncated: false,
      truncatedText: normalizedText,
      fullText: normalizedText,
      component: normalizedText,
    };
  }

  // Find last space before maxLength for word boundary truncation
  let truncateIndex = maxLength;
  const lastSpaceIndex = normalizedText.lastIndexOf(" ", maxLength);

  if (lastSpaceIndex > 0 && lastSpaceIndex > maxLength - 50) {
    // Use word boundary if space is close to maxLength
    truncateIndex = lastSpaceIndex;
  }

  const truncatedText = normalizedText.slice(0, truncateIndex).trim() + "...";

  return {
    isTruncated: true,
    truncatedText,
    fullText: normalizedText,
    component: React.createElement(TruncatedToastContent, {
      text: normalizedText,
      truncatedText,
    }),
  };
};
Copy