import { Node } from 'prosemirror-model';
import { Decoration } from 'prosemirror-view';

/**
 * A function that parses the text content of a code block node and returns an
 * array of ProseMirror decorations. If the underlying syntax highlighter is
 * still loading, you can return a promise that will be resolved when the
 * highlighter is ready.
 */
type Parser = (options: {
    /**
     * The text content of the code block node.
     */
    content: string;
    /**
     * The start position of the code block node.
     */
    pos: number;
    /**
     * The language of the code block node.
     */
    language?: string;
    /**
     * The size of the code block node.
     */
    size: number;
}) => Decoration[] | Promise<void>;
/**
 * A function that extracts the language of a code block node.
 */
type LanguageExtractor = (node: Node) => string | undefined;

export type { LanguageExtractor as L, Parser as P };