progfay/scrapbox-parser

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

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

const formulaWithTailHalfSpaceRegExp = /\[\$ .+? \]/;
const formulaRegExp = /\[\$ [^\]]+\]/;

const createFormulaNode: NodeCreator<FormulaNode | PlainNode> = (raw, opts) =>
  opts.context === "table"
    ? createPlainNode(raw, opts)
    : [
        {
          type: "formula",
          raw,
          formula: raw.substring(3, raw.length - (raw.endsWith(" ]") ? 2 : 1)),
        },
      ];

export const FormulaNodeParser = createNodeParser(createFormulaNode, {
  parseOnNested: false,
  parseOnQuoted: true,
  patterns: [formulaWithTailHalfSpaceRegExp, formulaRegExp],
});