59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
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import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
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import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
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/* eslint-disable no-param-reassign */
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var NO_EXIST = {
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__NOT_EXIST: true
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};
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export function spyElementPrototypes(elementClass, properties) {
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var propNames = Object.keys(properties);
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var originDescriptors = {};
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propNames.forEach(function (propName) {
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var originDescriptor = Object.getOwnPropertyDescriptor(elementClass.prototype, propName);
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originDescriptors[propName] = originDescriptor || NO_EXIST;
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var spyProp = properties[propName];
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if (typeof spyProp === 'function') {
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// If is a function
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elementClass.prototype[propName] = function spyFunc() {
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for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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return spyProp.call.apply(spyProp, [this, originDescriptor].concat(args));
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};
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} else {
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// Otherwise tread as a property
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Object.defineProperty(elementClass.prototype, propName, _objectSpread(_objectSpread({}, spyProp), {}, {
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set: function set(value) {
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if (spyProp.set) {
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return spyProp.set.call(this, originDescriptor, value);
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}
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return originDescriptor.set(value);
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},
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get: function get() {
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if (spyProp.get) {
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return spyProp.get.call(this, originDescriptor);
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}
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return originDescriptor.get();
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},
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configurable: true
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}));
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}
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});
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return {
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mockRestore: function mockRestore() {
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propNames.forEach(function (propName) {
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var originDescriptor = originDescriptors[propName];
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if (originDescriptor === NO_EXIST) {
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delete elementClass.prototype[propName];
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} else if (typeof originDescriptor === 'function') {
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elementClass.prototype[propName] = originDescriptor;
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} else {
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Object.defineProperty(elementClass.prototype, propName, originDescriptor);
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}
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});
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}
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};
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}
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export function spyElementPrototype(Element, propName, property) {
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return spyElementPrototypes(Element, _defineProperty({}, propName, property));
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}
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/* eslint-enable */
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