This one's a big one! Thanks to a PR from @KingDarBoja, a new --comment flag is now experimentally available to convert TSLint inline rule flags:
// tslint:disable-next-line no-floating-promises...to their ESLint equivalents:
// eslint-disable-line @typescript-eslint/no-floating-promises- #246: [Experimental Feature] Opt in flag convert disable comments