@redocly/theme/src/core/utils/text-trimmer.ts

Shared UI components lib

export function trimText(text: string | string[], maxLength: number = 150): string | string[] {
  if (typeof text === 'string') {
    if (text.length <= maxLength) {
      return text;
    } else return `${text.slice(0, maxLength).trimEnd()}...`;
  } else return text;
}