domHook.js 2.2 KB

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  1. import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
  2. import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
  3. /* eslint-disable no-param-reassign */
  4. var NO_EXIST = {
  5. __NOT_EXIST: true
  6. };
  7. export function spyElementPrototypes(elementClass, properties) {
  8. var propNames = Object.keys(properties);
  9. var originDescriptors = {};
  10. propNames.forEach(function (propName) {
  11. var originDescriptor = Object.getOwnPropertyDescriptor(elementClass.prototype, propName);
  12. originDescriptors[propName] = originDescriptor || NO_EXIST;
  13. var spyProp = properties[propName];
  14. if (typeof spyProp === 'function') {
  15. // If is a function
  16. elementClass.prototype[propName] = function spyFunc() {
  17. for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
  18. args[_key] = arguments[_key];
  19. }
  20. return spyProp.call.apply(spyProp, [this, originDescriptor].concat(args));
  21. };
  22. } else {
  23. // Otherwise tread as a property
  24. Object.defineProperty(elementClass.prototype, propName, _objectSpread(_objectSpread({}, spyProp), {}, {
  25. set: function set(value) {
  26. if (spyProp.set) {
  27. return spyProp.set.call(this, originDescriptor, value);
  28. }
  29. return originDescriptor.set(value);
  30. },
  31. get: function get() {
  32. if (spyProp.get) {
  33. return spyProp.get.call(this, originDescriptor);
  34. }
  35. return originDescriptor.get();
  36. },
  37. configurable: true
  38. }));
  39. }
  40. });
  41. return {
  42. mockRestore: function mockRestore() {
  43. propNames.forEach(function (propName) {
  44. var originDescriptor = originDescriptors[propName];
  45. if (originDescriptor === NO_EXIST) {
  46. delete elementClass.prototype[propName];
  47. } else if (typeof originDescriptor === 'function') {
  48. elementClass.prototype[propName] = originDescriptor;
  49. } else {
  50. Object.defineProperty(elementClass.prototype, propName, originDescriptor);
  51. }
  52. });
  53. }
  54. };
  55. }
  56. export function spyElementPrototype(Element, propName, property) {
  57. return spyElementPrototypes(Element, _defineProperty({}, propName, property));
  58. }
  59. /* eslint-enable */