progfay/scrapbox-parser

import { createNodeParser } from "./creator";
import { createPlainNode } from "./PlainNode";

import type { HashTagNode, PlainNode } from "./type";
import type { NodeCreator } from "./creator";

const hashTagRegExp = /(?:^|\s)#\S+/;

const createHashTagNode: NodeCreator<HashTagNode | PlainNode> = (raw, opts) => {
  if (opts.context === "table") {
    return createPlainNode(raw, opts);
  }

  if (raw.startsWith("#")) {
    return [
      {
        type: "hashTag",
        raw,
        href: raw.substring(1),
      },
    ];
  }

  const space = raw.substring(0, 1);
  const tag = raw.substring(1);

  return [
    ...createPlainNode(space, opts),
    {
      type: "hashTag",
      raw: tag,
      href: tag.substring(1),
    },
  ];
};

export const HashTagNodeParser = createNodeParser(createHashTagNode, {
  parseOnNested: true,
  parseOnQuoted: true,
  patterns: [hashTagRegExp],
});