import { readFileSync } from 'node:fs';
import vm from 'node:vm';

export function loadCommonJsModule(filePath, requireMap = {}) {
  const module = { exports: {} };
  const sandbox = {
    clearTimeout,
    console,
    getCurrentPages(...args) {
      return globalThis.getCurrentPages(...args);
    },
    module,
    exports: module.exports,
    require(requestPath) {
      if (Object.prototype.hasOwnProperty.call(requireMap, requestPath)) {
        return requireMap[requestPath];
      }
      throw new Error(`Unexpected require: ${requestPath}`);
    },
    setTimeout,
    URL,
    URLSearchParams,
    wx: globalThis.wx,
  };

  vm.runInNewContext(readFileSync(filePath, 'utf8'), sandbox, {
    filename: filePath,
  });

  return module.exports;
}