Method next

typings/codemirror/codemirror.d.ts:951–951

* Returns the next character in the stream and advances it. Also returns null when no more characters are available.

()

         * Returns the next character in the stream and advances it. Also returns null when no more characters are available.
         */
        next(): string;

        /**
         * match can be a character, a regular expression, or a function that takes a character and returns a boolean.