progfay/scrapbox-parser

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

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

const iconRegExp = /\[[^[\]]*\.icon(?:\*[1-9]\d*)?\]/;

export function generateIconNodeCreator(
  type: IconNode["type"]
): NodeCreator<IconNode>;
export function generateIconNodeCreator(
  type: StrongIconNode["type"]
): NodeCreator<StrongIconNode | PlainNode>;
export function generateIconNodeCreator(
  type: (IconNode | StrongIconNode)["type"]
): NodeCreator<IconNode | StrongIconNode | PlainNode> {
  return (raw, opts) => {
    if (type === "strongIcon" && opts.context === "table") {
      return createPlainNode(raw, opts);
    }

    const target =
      type === "icon"
        ? raw.substring(1, raw.length - 1)
        : raw.substring(2, raw.length - 2);
    const index = target.lastIndexOf(".icon");
    const path = target.substring(0, index);
    const pathType = path.startsWith("/") ? "root" : "relative";
    const numStr = target.substring(index + 5, target.length);
    const num = numStr.startsWith("*") ? parseInt(numStr.substring(1), 10) : 1;
    return new Array(num).fill({}).map(() => ({ path, pathType, type, raw }));
  };
}

const createIconNode = generateIconNodeCreator("icon");

export const IconNodeParser = createNodeParser(createIconNode, {
  parseOnNested: true,
  parseOnQuoted: true,
  patterns: [iconRegExp],
});