progfay/scrapbox-parser

import { BlankNodeParser } from "./BlankNode.ts";
import { CodeNodeParser } from "./CodeNode.ts";
import { CommandLineNodeParser } from "./CommandLineNode.ts";
import { DecorationNodeParser } from "./DecorationNode.ts";
import { ExternalLinkNodeParser } from "./ExternalLinkNode.ts";
import { FormulaNodeParser } from "./FormulaNode.ts";
import { GoogleMapNodeParser } from "./GoogleMapNode.ts";
import { HashTagNodeParser } from "./HashTagNode.ts";
import { HelpfeelNodeParser } from "./HelpfeelNode.ts";
import { IconNodeParser } from "./IconNode.ts";
import { ImageNodeParser } from "./ImageNode.ts";
import { InternalLinkNodeParser } from "./InternalLinkNode.ts";
import { NumberListNodeParser } from "./NumberListNode.ts";
import { PlainNodeParser } from "./PlainNode.ts";
import { QuoteNodeParser } from "./QuoteNode.ts";
import { StrongIconNodeParser } from "./StrongIconNode.ts";
import { StrongImageNodeParser } from "./StrongImageNode.ts";
import { StrongNodeParser } from "./StrongNode.ts";

import type { Node } from "./type.ts";

export interface NodeParserOption {
    nested: boolean;
    quoted: boolean;
    context: "line" | "table";
}
export type NextNodeParser = () => Node[];
export type NodeParser = (
    text: string,
    opts: NodeParserOption,
    next?: NextNodeParser,
) => Node[];

const FalsyEliminator: NodeParser = (text, _, next) => {
    if (text === "") return [];
    return next?.() ?? [];
};

const combineNodeParsers =
    (...parsers: NodeParser[]) =>
    (text: string, opts: NodeParserOption): Node[] =>
        parsers.reduceRight(
            (acc: NextNodeParser, parser: NodeParser): NextNodeParser =>
                () =>
                    parser(text, opts, acc),
            () => PlainNodeParser(text, opts),
        )();

export const convertToNodes: ReturnType<typeof combineNodeParsers> =
    combineNodeParsers(
        FalsyEliminator,
        QuoteNodeParser,
        HelpfeelNodeParser,
        NumberListNodeParser,
        CodeNodeParser,
        CommandLineNodeParser,
        FormulaNodeParser,
        BlankNodeParser,
        DecorationNodeParser,
        StrongImageNodeParser,
        StrongIconNodeParser,
        StrongNodeParser,
        ImageNodeParser,
        ExternalLinkNodeParser,
        IconNodeParser,
        GoogleMapNodeParser,
        InternalLinkNodeParser,
        HashTagNodeParser,
    );