using.js 727 B

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  1. var _typeof = require("./typeof.js")["default"];
  2. function _using(stack, value, isAwait) {
  3. if (null == value) return value;
  4. if ("object" != _typeof(value)) throw new TypeError("using decarations can only be used with objects, null, or undefined.");
  5. if (isAwait) var dispose = value[Symbol.asyncDispose || Symbol["for"]("Symbol.asyncDispose")];
  6. if (null == dispose && (dispose = value[Symbol.dispose || Symbol["for"]("Symbol.dispose")]), "function" != typeof dispose) throw new TypeError("Property [Symbol.dispose] is not a function.");
  7. return stack.push({
  8. v: value,
  9. d: dispose,
  10. a: isAwait
  11. }), value;
  12. }
  13. module.exports = _using, module.exports.__esModule = true, module.exports["default"] = module.exports;