progfay/scrapbox-parser

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

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

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,
    CodeNodeParser,
    CommandLineNodeParser,
    FormulaNodeParser,
    BlankNodeParser,
    DecorationNodeParser,
    StrongImageNodeParser,
    StrongIconNodeParser,
    StrongNodeParser,
    ImageNodeParser,
    ExternalLinkNodeParser,
    IconNodeParser,
    GoogleMapNodeParser,
    InternalLinkNodeParser,
    HashTagNodeParser,
    NumberListNodeParser
  );