/**
 * @file /src/utils/nodes/hardBreak.ts
 * @name HardBreak
 * @description Utility functions for hard breaks.
 */

import { Node as PMNode, ResolvedPos } from "@tiptap/pm/model";

/**
 * Check if the given node is a hard break node.
 *
 * @param node - The node to check.
 * @returns {boolean} True if the node is a hard break node, false otherwise.
 */
export const isHardBreakNode = (node: PMNode): boolean => {
    return node.type.name === "hardBreak";
};

/**
 * Check if the given position is at the start of the hard break node.
 *
 * @param doc - The document node.
 * @param $pos - The resolved position in the document or the absolute position of the node.
 * @returns {boolean} True if the position is at the start of the hard break node, false otherwise.
 */
export const isAtHardBreak = (doc: PMNode, $pos: ResolvedPos | number): boolean => {
    if (typeof $pos === "number") {
        return isAtHardBreak(doc, doc.resolve($pos));
    }

    const node = doc.nodeAt($pos.pos);
    if (!node) {
        return false;
    }

    return isHardBreakNode(node);
};