element-plus/es/components/image/src/image2.mjs.map

A Component Library for Vue 3

{"version":3,"file":"image2.mjs","sources":["../../../../../../packages/components/image/src/image.vue"],"sourcesContent":["<template>\n  <div ref=\"container\" :class=\"[ns.b(), $attrs.class]\" :style=\"containerStyle\">\n    <img\n      v-if=\"imageSrc !== undefined && !hasLoadError\"\n      v-bind=\"attrs\"\n      :src=\"imageSrc\"\n      :loading=\"loading\"\n      :style=\"imageStyle\"\n      :class=\"[\n        ns.e('inner'),\n        preview && ns.e('preview'),\n        isLoading && ns.is('loading'),\n      ]\"\n      @click=\"clickHandler\"\n      @load=\"handleLoad\"\n      @error=\"handleError\"\n    />\n    <div v-if=\"isLoading || hasLoadError\" :class=\"ns.e('wrapper')\">\n      <slot v-if=\"isLoading\" name=\"placeholder\">\n        <div :class=\"ns.e('placeholder')\" />\n      </slot>\n      <slot v-else-if=\"hasLoadError\" name=\"error\">\n        <div :class=\"ns.e('error')\">{{ t('el.image.error') }}</div>\n      </slot>\n    </div>\n    <template v-if=\"preview\">\n      <image-viewer\n        v-if=\"showViewer\"\n        :z-index=\"zIndex\"\n        :initial-index=\"imageIndex\"\n        :infinite=\"infinite\"\n        :url-list=\"previewSrcList\"\n        :hide-on-click-modal=\"hideOnClickModal\"\n        :teleported=\"previewTeleported\"\n        :close-on-press-escape=\"closeOnPressEscape\"\n        @close=\"closeViewer\"\n        @switch=\"switchViewer\"\n      >\n        <div v-if=\"$slots.viewer\">\n          <slot name=\"viewer\" />\n        </div>\n      </image-viewer>\n    </template>\n  </div>\n</template>\n\n<script lang=\"ts\" setup>\nimport {\n  computed,\n  nextTick,\n  onMounted,\n  ref,\n  useAttrs as useRawAttrs,\n  watch,\n} from 'vue'\nimport { isClient, useEventListener, useThrottleFn } from '@vueuse/core'\nimport { useAttrs, useLocale, useNamespace } from '@element-plus/hooks'\nimport ImageViewer from '@element-plus/components/image-viewer'\nimport {\n  getScrollContainer,\n  isElement,\n  isInContainer,\n  isString,\n} from '@element-plus/utils'\nimport { imageEmits, imageProps } from './image'\n\nimport type { CSSProperties, StyleValue } from 'vue'\n\ndefineOptions({\n  name: 'ElImage',\n  inheritAttrs: false,\n})\n\nconst props = defineProps(imageProps)\nconst emit = defineEmits(imageEmits)\n\nlet prevOverflow = ''\n\nconst { t } = useLocale()\nconst ns = useNamespace('image')\nconst rawAttrs = useRawAttrs()\nconst attrs = useAttrs()\n\nconst imageSrc = ref<string | undefined>()\nconst hasLoadError = ref(false)\nconst isLoading = ref(true)\nconst showViewer = ref(false)\nconst container = ref<HTMLElement>()\nconst _scrollContainer = ref<HTMLElement | Window>()\n\nconst supportLoading = isClient && 'loading' in HTMLImageElement.prototype\nlet stopScrollListener: (() => void) | undefined\nlet stopWheelListener: (() => void) | undefined\n\nconst containerStyle = computed(() => rawAttrs.style as StyleValue)\n\nconst imageStyle = computed<CSSProperties>(() => {\n  const { fit } = props\n  if (isClient && fit) {\n    return { objectFit: fit }\n  }\n  return {}\n})\n\nconst preview = computed(() => {\n  const { previewSrcList } = props\n  return Array.isArray(previewSrcList) && previewSrcList.length > 0\n})\n\nconst imageIndex = computed(() => {\n  const { previewSrcList, initialIndex } = props\n  let previewIndex = initialIndex\n  if (initialIndex > previewSrcList.length - 1) {\n    previewIndex = 0\n  }\n  return previewIndex\n})\n\nconst isManual = computed(() => {\n  if (props.loading === 'eager') return false\n  return (!supportLoading && props.loading === 'lazy') || props.lazy\n})\n\nconst loadImage = () => {\n  if (!isClient) return\n\n  // reset status\n  isLoading.value = true\n  hasLoadError.value = false\n  imageSrc.value = props.src\n}\n\nfunction handleLoad(event: Event) {\n  isLoading.value = false\n  hasLoadError.value = false\n  emit('load', event)\n}\n\nfunction handleError(event: Event) {\n  isLoading.value = false\n  hasLoadError.value = true\n  emit('error', event)\n}\n\nfunction handleLazyLoad() {\n  if (isInContainer(container.value, _scrollContainer.value)) {\n    loadImage()\n    removeLazyLoadListener()\n  }\n}\n\nconst lazyLoadHandler = useThrottleFn(handleLazyLoad, 200)\n\nasync function addLazyLoadListener() {\n  if (!isClient) return\n\n  await nextTick()\n\n  const { scrollContainer } = props\n  if (isElement(scrollContainer)) {\n    _scrollContainer.value = scrollContainer\n  } else if (isString(scrollContainer) && scrollContainer !== '') {\n    _scrollContainer.value =\n      document.querySelector<HTMLElement>(scrollContainer) ?? undefined\n  } else if (container.value) {\n    _scrollContainer.value = getScrollContainer(container.value)\n  }\n\n  if (_scrollContainer.value) {\n    stopScrollListener = useEventListener(\n      _scrollContainer,\n      'scroll',\n      lazyLoadHandler\n    )\n    setTimeout(() => handleLazyLoad(), 100)\n  }\n}\n\nfunction removeLazyLoadListener() {\n  if (!isClient || !_scrollContainer.value || !lazyLoadHandler) return\n\n  stopScrollListener?.()\n  _scrollContainer.value = undefined\n}\n\nfunction wheelHandler(e: WheelEvent) {\n  if (!e.ctrlKey) return\n\n  if (e.deltaY < 0) {\n    e.preventDefault()\n    return false\n  } else if (e.deltaY > 0) {\n    e.preventDefault()\n    return false\n  }\n}\n\nfunction clickHandler() {\n  // don't show viewer when preview is false\n  if (!preview.value) return\n\n  stopWheelListener = useEventListener('wheel', wheelHandler, {\n    passive: false,\n  })\n\n  // prevent body scroll\n  prevOverflow = document.body.style.overflow\n  document.body.style.overflow = 'hidden'\n  showViewer.value = true\n  emit('show')\n}\n\nfunction closeViewer() {\n  stopWheelListener?.()\n  document.body.style.overflow = prevOverflow\n  showViewer.value = false\n  emit('close')\n}\n\nfunction switchViewer(val: number) {\n  emit('switch', val)\n}\n\nwatch(\n  () => props.src,\n  () => {\n    if (isManual.value) {\n      // reset status\n      isLoading.value = true\n      hasLoadError.value = false\n      removeLazyLoadListener()\n      addLazyLoadListener()\n    } else {\n      loadImage()\n    }\n  }\n)\n\nonMounted(() => {\n  if (isManual.value) {\n    addLazyLoadListener()\n  } else {\n    loadImage()\n  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