Method at

markdown_it/ruler.py:110–126

Replace rule by name with new function & options. :param ruleName: rule name to replace. :param fn: new rule function. :param options: new rule options (not mandatory). :raises: KeyError if name not found

(
        self, ruleName: str, fn: RuleFuncTv, options: RuleOptionsType | None = None
    )

                self.__cache__[chain].append(rule.fn)

    def at(
        self, ruleName: str, fn: RuleFuncTv, options: RuleOptionsType | None = None
    ) -> None:
        """Replace rule by name with new function & options.

        :param ruleName: rule name to replace.
        :param fn: new rule function.
        :param options: new rule options (not mandatory).
        :raises: KeyError if name not found
        """
        index = self.__find__(ruleName)
        options = options or {}
        if index == -1:
            raise KeyError(f"Parser rule not found: {ruleName}")
        self.__rules__[index].fn = fn
        self.__rules__[index].alt = options.get("alt", [])
        self.__cache__ = None

    def before(
        self,