progfay/scrapbox-parser

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

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

const strongImageRegExp = /\[\[https?:\/\/[^\s\]]+\.(?:png|jpe?g|gif|svg)\]\]/i;
const strongGyazoImageRegExp =
    /\[\[https?:\/\/(?:[0-9a-z-]+\.)?gyazo\.com\/[0-9a-f]{32}\]\]/;

const createStrongImageNode: NodeCreator<StrongImageNode | PlainNode> = (
    raw,
    opts,
) => {
    if (opts.context === "table") {
        return createPlainNode(raw, opts);
    }

    const src = raw.substring(2, raw.length - 2);
    const isGyazoImage =
        /^https?:\/\/([0-9a-z-]\.)?gyazo\.com\/[0-9a-f]{32}$/.test(src);
    return [
        {
            type: "strongImage",
            raw,
            src: isGyazoImage ? `${src}/thumb/1000` : src,
        },
    ];
};

export const StrongImageNodeParser = createNodeParser(createStrongImageNode, {
    parseOnNested: false,
    parseOnQuoted: true,
    patterns: [strongImageRegExp, strongGyazoImageRegExp],
});