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

A Component Library for Vue 3

{"version":3,"file":"image2.mjs","names":[],"sources":["../../../../../../packages/components/image/src/image.vue"],"sourcesContent":["<template>\n  <div ref=\"container\" v-bind=\"containerAttrs\" :class=\"[ns.b(), $attrs.class]\">\n    <slot v-if=\"hasLoadError\" name=\"error\">\n      <div :class=\"ns.e('error')\">{{ t('el.image.error') }}</div>\n    </slot>\n    <template v-else>\n      <img\n        v-if=\"imageSrc !== undefined\"\n        v-bind=\"imgAttrs\"\n        :src=\"imageSrc\"\n        :loading=\"loading\"\n        :style=\"imageStyle\"\n        :class=\"imageKls\"\n        :crossorigin=\"crossorigin\"\n        @click=\"clickHandler\"\n        @load=\"handleLoad\"\n        @error=\"handleError\"\n      />\n      <div v-if=\"isLoading\" :class=\"ns.e('wrapper')\">\n        <slot name=\"placeholder\">\n          <div :class=\"ns.e('placeholder')\" />\n        </slot>\n      </div>\n    </template>\n    <template v-if=\"preview\">\n      <image-viewer\n        v-if=\"showViewer\"\n        :z-index=\"zIndex\"\n        :initial-index=\"imageIndex\"\n        :infinite=\"infinite\"\n        :zoom-rate=\"zoomRate\"\n        :min-scale=\"minScale\"\n        :max-scale=\"maxScale\"\n        :show-progress=\"showProgress\"\n        :url-list=\"previewSrcList\"\n        :scale=\"scale\"\n        :crossorigin=\"crossorigin\"\n        :hide-on-click-modal=\"hideOnClickModal\"\n        :teleported=\"previewTeleported\"\n        :close-on-press-escape=\"closeOnPressEscape\"\n        @close=\"closeViewer\"\n        @switch=\"switchViewer\"\n      >\n        <div v-if=\"$slots.viewer\">\n          <slot name=\"viewer\" />\n        </div>\n        <template v-if=\"$slots.progress\" #progress=\"progress\">\n          <slot name=\"progress\" v-bind=\"progress\" />\n        </template>\n        <template #toolbar=\"toolbar\">\n          <slot name=\"toolbar\" v-bind=\"toolbar\" />\n        </template>\n        <template v-if=\"$slots['viewer-error']\" #viewer-error=\"viewerError\">\n          <slot name=\"viewer-error\" v-bind=\"viewerError\" />\n        </template>\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 { useIntersectionObserver, useThrottleFn } from '@vueuse/core'\nimport { fromPairs } from 'lodash-unified'\nimport { useAttrs, useLocale, useNamespace } from '@element-plus/hooks'\nimport ImageViewer from '@element-plus/components/image-viewer'\nimport {\n  getScrollContainer,\n  isArray,\n  isClient,\n  isElement,\n  isString,\n  isWindow,\n} from '@element-plus/utils'\nimport { imageEmits } from './image'\n\nimport type { ImageProps } from './image'\nimport type { CSSProperties } from 'vue'\n\ndefineOptions({\n  name: 'ElImage',\n  inheritAttrs: false,\n})\n\nconst props = withDefaults(defineProps<ImageProps>(), {\n  src: '',\n  fit: '',\n  previewSrcList: () => [],\n  initialIndex: 0,\n  infinite: true,\n  closeOnPressEscape: true,\n  zoomRate: 1.2,\n  scale: 1,\n  minScale: 0.2,\n  maxScale: 7,\n})\nconst emit = defineEmits(imageEmits)\n\nconst { t } = useLocale()\nconst ns = useNamespace('image')\nconst rawAttrs = useRawAttrs()\n\nconst containerAttrs = computed(() => {\n  return fromPairs(\n    Object.entries(rawAttrs).filter(\n      ([key]) => /^(data-|on[A-Z])/i.test(key) || ['id', 'style'].includes(key)\n    )\n  )\n})\n\nconst imgAttrs = useAttrs({\n  excludeListeners: true,\n  excludeKeys: computed<string[]>(() => {\n    return Object.keys(containerAttrs.value)\n  }),\n})\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 | undefined>()\n\nconst supportLoading = isClient && 'loading' in HTMLImageElement.prototype\nlet stopScrollListener: (() => void) | undefined\n\nconst imageKls = computed(() => [\n  ns.e('inner'),\n  preview.value && ns.e('preview'),\n  isLoading.value && ns.is('loading'),\n])\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 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(isIntersecting: boolean) {\n  if (isIntersecting) {\n    loadImage()\n    removeLazyLoadListener()\n  }\n}\n\nconst lazyLoadHandler = useThrottleFn(handleLazyLoad, 200, true)\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    const scrollContainer = getScrollContainer(container.value)\n    _scrollContainer.value = isWindow(scrollContainer)\n      ? undefined\n      : scrollContainer\n  }\n\n  const { stop } = useIntersectionObserver(\n    container,\n    ([entry]) => {\n      lazyLoadHandler(entry.isIntersecting)\n    },\n    { root: _scrollContainer }\n  )\n  stopScrollListener = stop\n}\n\nfunction removeLazyLoadListener() {\n  if (!isClient || !lazyLoadHandler) return\n\n  stopScrollListener?.()\n  _scrollContainer.value = undefined\n  stopScrollListener = undefined\n}\n\nfunction clickHandler() {\n  // don't show viewer when preview is false\n  if (!preview.value) return\n  showViewer.value = true\n  emit('show')\n}\n\nfunction closeViewer() {\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  }\n})\n\ndefineExpose({\n  /** @description manually open preview */\n  showPreview: clickHandler,\n})\n</script>\n"],"mappings":""}