generator.ts

import { ServerTypes } from 'bbn-one/spec/music.ts';

export const version_apis: Record<string, [string, (json: any) => string[]]> = {
    "vanilla": ["https://launchermeta.mojang.com/mc/game/version_manifest.json", ({ versions }: { versions: { id: string, type: string, url: string, time: string, releaseTime: string; }[]; }) => versions.map(version => version.id)], // Snapshots into group as soon as new webgen dropdown inputs are available
    "fabric": ["https://meta.fabricmc.net/v2/versions/game", (versions: { version: string, stable: boolean; }[]) => versions.map(version => version.version)],
    "forge": ["https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json", ({ promos }: { promos: Record<string, string>; }) => Object.entries(promos).map(([key, value]) => `${key.replace(/-latest|-recommended/g, '')}-${value}`).reverse()], // use https://files.minecraftforge.net/net/minecraftforge/forge/maven-metadata.json as soon as new webgen dropdown inputs are available
    "purpur": ["https://api.purpurmc.org/v2/purpur", ({ versions }: { versions: string[]; }) => versions.reverse()],
    "bedrock": ["https://raw.githubusercontent.com/Bedrock-OSS/BDS-Versions/main/versions.json", ({ linux: { versions } }: { linux: { versions: string[]; }; }) => versions.reverse()],
    "pocketmine": ["https://hub.docker.com/v2/repositories/pmmp/pocketmine-mp/tags/?page_size=1000", ({ results }: { results: [{ name: string; }]; }) => results.map(x => x.name).filter(x => x != "latest").sort().reverse()]
};

export async function getVersions(type: string) {
    const version_api = version_apis[type];
    const [url, filter] = version_api;
    const verdata = await fetch(url);
    return filter(await verdata.json());
}

{
    const versions = await getVersions("purpur");
    Deno.mkdir("images/purpur", { recursive: true });
    for (const version of versions) {
        let dockerfile;
        const minorversion = Number(version.split('.')[1])
        if (minorversion > 17) {
            dockerfile = Deno.readTextFileSync("templates/purpur/purpur18+.Dockerfile");
        } else if (minorversion === 17) {
            dockerfile = Deno.readTextFileSync("templates/purpur/purpur17.Dockerfile");
        } else if (minorversion < 15) {
            dockerfile = Deno.readTextFileSync("templates/purpur/purpur14.Dockerfile");
        } else {
            dockerfile = Deno.readTextFileSync("templates/purpur/purpur15-16.Dockerfile");
        }
        const data = dockerfile.replace("{{MINECRAFT_VERSION}}", version);
        await Deno.writeTextFile(`images/purpur/${version}.Dockerfile`, data);
    }
}

{
    const versions = await getVersions("vanilla");
    Deno.mkdir("images/vanilla", { recursive: true });
    for (const version of versions) {
        let dockerfile = Deno.readTextFileSync("templates/vanilla.Dockerfile");
        const data = dockerfile.replace("{{MINECRAFT_VERSION}}", version);
        await Deno.writeTextFile(`images/vanilla/${version}.Dockerfile`, data);
    }
}