progfay/scrapbox-parser

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

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

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],
});