Function prepareSubscribeByCode

src/pkg/utils/script.ts:221–264

(
  code: string,
  url: string
)

// 通过代码解析出脚本信息 (Subscribe)
export async function prepareSubscribeByCode(
  code: string,
  url: string
): Promise<{ subscribe: Subscribe; oldSubscribe?: Subscribe }> {
  /*
  // ==UserSubscribe==
  // @name         xxx
  // @description  订阅xxx系列脚本
  // @version      0.1.0
  // @author       You
  // @connect      www.baidu.com
  // @scriptUrl    https://script.tampermonkey.net.cn/48.user.js
  // @scriptUrl    https://script.tampermonkey.net.cn/49.user.js
  // ==/UserSubscribe==
  */
  const dao = new SubscribeDAO();
  const metadata = parseMetadata(code);
  if (!metadata) {
    throw new Error(i18n_t("error_metadata_invalid"));
  }
  if (metadata.name === undefined) {
    throw new Error(i18n_t("error_subscribe_name_required"));
  }
  const now = Date.now();
  const subscribe: Subscribe = {
    url, // url of the user.sub.js
    name: metadata.name[0],
    code,
    author: (metadata.author && metadata.author[0]) || "",
    scripts: {},
    metadata: metadata,
    status: SubscribeStatusType.enable,
    createtime: now,
    updatetime: now,
    checktime: now,
  };
  const old = await dao.get(url); // 已存在 -> 把之前的 scripts, createtime, status 抽出来
  if (old) {
    const { url, scripts, createtime, status } = old;
    // url 是一样的；Subscribe 不使用 name 和 namespace 判断，仅使用 url 作唯一键
    Object.assign(subscribe, { url, scripts, createtime, status });
  }
  return { subscribe, oldSubscribe: old };
}