@mic-rexjs/usecases/lib/methods/isGenerator/index.js

Usecases of Clean Architecture

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isGenerator = void 0;
var isGenerator = exports.isGenerator = function isGenerator(target, typeSymbol) {
  var symbols = typeSymbol ? [typeSymbol] : [Symbol.iterator, Symbol.asyncIterator];
  for (var _i = 0, _symbols = symbols; _i < _symbols.length; _i++) {
    var key = _symbols[_i];
    var iterator = target === null || target === void 0 ? void 0 : target[key];
    if (typeof iterator !== 'function') {
      continue;
    }
    var generator = iterator.call(target);
    // 判断 `iterator` 返回的 `generator` 是否为自身，这是 `generator` 的特性
    if (generator === target) {
      return true;
    }
  }
  return false;
};