import message from '@commitlint/message'; import {SyncRule} from '@commitlint/types'; export const subjectFullStop: SyncRule<string> = ( parsed, when = 'always', value = '.' ) => { const input = parsed.subject; if (!input) { return [true]; } const negated = when === 'never'; const hasStop = input[input.length - 1] === value; return [ negated ? !hasStop : hasStop, message(['subject', negated ? 'may not' : 'must', 'end with full stop']), ]; };