@isentinel/eslint-plugin-comment-length/src/rules/limit-multi-line-comments/util.boilerplate-size.ts

export const SINGLE_LINE_BOILERPLATE_SIZE = 5; // i.e. '/**'.length + '*/'.length
export const MULTILINE_BOILERPLATE_SIZE = 2; // i.e. '/*'.length OR '*/'.length OR ' *'.length
export const FIRST_LINE_BOILERPLATE_SIZE = 3; // i.e. '/**'.length

export function getBoilerPlateSize(commentLines: string[]): number {
  return commentLines.length === 1
    ? SINGLE_LINE_BOILERPLATE_SIZE
    : MULTILINE_BOILERPLATE_SIZE;
}