Function prepareScriptByCode

src/pkg/utils/script.ts:132–218

(
  code: string,
  origin: string,
  uuid?: string,
  override: boolean = false,
  dao?: ScriptDAO,
  options?: {
    byEditor?: boolean; // 是否通过编辑器导入
    byWebRequest?: boolean; // 是否通过网页连结安装或更新
  }
)

// 通过代码解析出脚本信息 (Script)
export async function prepareScriptByCode(
  code: string,
  origin: string,
  uuid?: string,
  override: boolean = false,
  dao?: ScriptDAO,
  options?: {
    byEditor?: boolean; // 是否通过编辑器导入
    byWebRequest?: boolean; // 是否通过网页连结安装或更新
  }
): Promise<{ script: Script; oldScript?: Script; oldScriptCode?: string }> {
  dao = dao ?? new ScriptDAO();
  const script = parseScriptFromCode(code, origin, uuid);
  let old: Script | undefined;
  let oldCode: ScriptCode | undefined;
  if (uuid) {
    old = await dao.get(uuid);
  }
  if (!old && (!uuid || override)) {
    old = await dao.findByNameAndNamespace(script.name, script.namespace);
  }
  if (!old && options?.byWebRequest) {
    const test = await dao.searchExistingScript(script);
    if (test.length === 1) {
      const testCheckUrl = test[0]?.checkUpdateUrl;
      if (testCheckUrl) {
        // 尝试下载该脚本的url, 检查是否指向要求脚本
        try {
          const code = await fetchScriptBody(testCheckUrl);
          const metadata = code ? parseMetadata(code) : null;
          if (metadata && metadata.name![0] === script.name && (metadata.namespace?.[0] || "") === script.namespace) {
            old = test[0];
          }
        } catch {
          /* empty */
        }
      }
    }
  }
  const hasGrantConflict = (metadata: SCMetadata | undefined | null) =>
    metadata?.grant?.includes("none") && metadata?.grant?.some((s: string) => s.startsWith("GM"));
  const hasDuplicatedMetaline = (metadata: SCMetadata | undefined | null) => {
    if (metadata) {
      for (const list of Object.values(metadata)) {
        if (list && new Set(list).size !== list.length) return true;
      }
    }
  };
  if (options?.byEditor && hasGrantConflict(script.metadata) && (!old || !hasGrantConflict(old.metadata))) {
    throw new Error(i18n_t("error_grant_conflict"));
  }
  if (options?.byEditor && hasDuplicatedMetaline(script.metadata) && (!old || !hasDuplicatedMetaline(old.metadata))) {
    throw new Error(i18n_t("error_metadata_line_duplicated"));
  }
  if (old) {
    if (
      (old.type === SCRIPT_TYPE_NORMAL && script.type !== SCRIPT_TYPE_NORMAL) ||
      (script.type === SCRIPT_TYPE_NORMAL && old.type !== SCRIPT_TYPE_NORMAL)