@nova-ts/core/dist/chunk-46BS5H2W.js

A serverside framework used to build scalable application

import {
  matchUriPatterns
} from "./chunk-BFVCNYWH.js";
import {
  NovaConstant
} from "./chunk-INEUQFI4.js";

// src/Resolver/NovaFilterExecutor.ts
import { ApplicationContext } from "@nova-ts/context";
var NovaFilterExecutor = class {
  /**
  * Executes the filter chain and then invokes the provided controller function.
  * 
  * Filters are executed sequentially. If any filter does not call `chain()` or terminates
  * the response (e.g., `res.send()`), the controller will not be invoked.
  * 
  * This method ensures that the controller logic runs **only after** all filters
  * have passed control through `chain()`.
  * 
  * @param {any} req - The Nova request object.
  * @param {any} res - The Nova response object.
  * @param {() => Promise<any>} controllerInvoker - A function that executes the controller method.
  * @returns {Promise<any>} The result of the controller method if invoked, or `undefined` if short-circuited by a filter.
  */
  async execute(req, res, controllerInvoker) {
    const filters = ApplicationContext.getAll(NovaConstant.NovaFilter);
    const matchingFilters = filters.filter((filter) => {
      const meta = Reflect.getMetadata(NovaConstant.NovaFilterMeta, filter.constructor);
      return matchUriPatterns(req.path, meta.URIS);
    }).sort((a, b) => {
      const aMeta = Reflect.getMetadata(NovaConstant.NovaFilterMeta, a.constructor);
      const bMeta = Reflect.getMetadata(NovaConstant.NovaFilterMeta, b.constructor);
      return aMeta.order - bMeta.order;
    });
    let currentchain = -1;
    const chain = async (index) => {
      if (index <= currentchain) throw new Error("chain() called multiple times in filter chain");
      currentchain = index;
      if (index >= matchingFilters.length) {
        const result = await controllerInvoker();
        res.body = result;
        return;
      }
      const filter = matchingFilters[index];
      return await filter.applyFilter(req, res, () => chain(index + 1));
    };
    return await chain(0);
  }
};

export {
  NovaFilterExecutor
};
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