tdesign-mobile-vue
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tdesign-mobile-vue
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{"version":3,"file":"utils.mjs","sources":["../../../src/pull-down-refresh/__test__/utils.ts"],"sourcesContent":["import { ComponentPublicInstance, nextTick } from 'vue';\nimport { VueWrapper, DOMWrapper } from '@vue/test-utils';\n\nfunction getTouch(el: Element | Window, x: number, y: number) {\n return {\n identifier: Date.now(),\n target: el,\n pageX: x,\n pageY: y,\n clientX: x,\n clientY: y,\n radiusX: 2.5,\n radiusY: 2.5,\n rotationAngle: 10,\n force: 0.5,\n };\n}\n\n// 模拟 touch 事件\nexport function trigger(\n wrapper: VueWrapper<ComponentPublicInstance<any, any, any>> | DOMWrapper<Element> | Element | Window,\n eventName: string,\n x = 0,\n y = 0,\n options: any = {},\n) {\n const el = 'element' in wrapper ? wrapper.element : wrapper;\n const touchList = options.touchList || [getTouch(el, x, y)];\n\n if (options.x || options.y) {\n touchList.push(getTouch(el, options.x, options.y));\n }\n\n const event = document.createEvent('CustomEvent');\n event.initCustomEvent(eventName, true, true, {});\n\n Object.assign(event, {\n clientX: x,\n clientY: y,\n touches: touchList,\n targetTouches: touchList,\n changedTouches: touchList,\n });\n\n el.dispatchEvent(event);\n\n return nextTick();\n}\n\n/**\n * PullDownRefresh 使用了 [`useElementSize()`](https://github.com/vueuse/vueuse/blob/658374fd12/packages/core/useElementSize/index.ts)，\n * 该函数调用了 [`useResizeObserver()`](https://github.com/vueuse/vueuse/blob/658374fd12fbce2ac6127a9fb9bca52fb2137505/packages/core/useResizeObserver/index.ts)。\n *\n * 而 jsdom 中 ResizeObserver 无效，见： https://github.com/jsdom/jsdom/issues/3368\n *\n * @description 模拟实现 ResizeObserver\n * @params callback `new ResizeObserver(callback)` 中的回调，签名如下：\n *\n * ```ts\n * ResizeObserverCallback = (entries: ReadonlyArray<ResizeObserverEntry>, observer: ResizeObserver) => void\n * ```\n */\nexport class MockResizeObserver {\n _callback: Function;\n\n _element!: HTMLElement;\n\n constructor(callback: Function) {\n this._callback = callback;\n }\n\n observe(element: HTMLElement) {\n this._element = element;\n this._element.addEventListener('resize', this.trigger);\n }\n\n unobserve() {\n this._element.removeEventListener('resize', this.trigger);\n }\n\n disconnect() {\n // unmount后监听的元素this._element可能为null，因此先判断元素是否为null，再依据此来是否执行removeEventListener\n if (this._element) {\n this._element.removeEventListener('resize', this.trigger);\n }\n this._element = null;\n }\n\n /**\n * @description 手动触发 resize，提供参数。本例 `maxBarHeight` 始终为 `useElementSize()` 的默认初始值 `initialSize`（`{ width: 0, height: 0 }`），模拟返回有效值即可\n * @param event 手动触发\n */\n trigger = (event: UIEvent) => {\n const { width = 0, height = 0 } = event as { width?: number; 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