{"version":3,"file":"affix.vue2.mjs","sources":["../../../../../../packages/components/affix/src/affix.vue"],"sourcesContent":["<template>\n  <div ref=\"root\" :class=\"ns.b()\" :style=\"rootStyle\">\n    <el-teleport :disabled=\"teleportDisabled\" :to=\"appendTo\">\n      <div :class=\"{ [ns.m('fixed')]: fixed }\" :style=\"affixStyle\">\n        <slot />\n      </div>\n    </el-teleport>\n  </div>\n</template>\n\n<script lang=\"ts\" setup>\nimport {\n  computed,\n  nextTick,\n  onActivated,\n  onDeactivated,\n  onMounted,\n  ref,\n  shallowRef,\n  watch,\n  watchEffect,\n} from 'vue'\nimport {\n  useElementBounding,\n  useEventListener,\n  useWindowSize,\n} from '@vueuse/core'\nimport ElTeleport from '@element-plus/components/teleport'\nimport { addUnit, getScrollContainer, throwError } from '@element-plus/utils'\nimport { useNamespace } from '@element-plus/hooks'\nimport { CHANGE_EVENT } from '@element-plus/constants'\nimport { affixEmits } from './affix'\n\nimport type { CSSProperties } from 'vue'\nimport type { AffixProps } from './affix'\n\nconst COMPONENT_NAME = 'ElAffix'\ndefineOptions({\n  name: COMPONENT_NAME,\n})\nconst props = withDefaults(defineProps<AffixProps>(), {\n  zIndex: 100,\n  target: '',\n  offset: 0,\n  position: 'top',\n  appendTo: 'body',\n})\nconst emit = defineEmits(affixEmits)\n\nconst ns = useNamespace('affix')\n\nconst target = shallowRef<HTMLElement>()\nconst root = shallowRef<HTMLDivElement>()\nconst scrollContainer = shallowRef<HTMLElement | Window>()\nconst { height: windowHeight } = useWindowSize()\nconst {\n  height: rootHeight,\n  width: rootWidth,\n  top: rootTop,\n  bottom: rootBottom,\n  left: rootLeft,\n  update: updateRoot,\n} = useElementBounding(root, { windowScroll: false })\nconst targetRect = useElementBounding(target)\n\nconst fixed = ref(false)\nconst scrollTop = ref(0)\nconst transform = ref(0)\n\nconst teleportDisabled = computed(() => {\n  return !props.teleported || !fixed.value\n})\n\nconst rootStyle = computed<CSSProperties>(() => {\n  return {\n    height: fixed.value ? `${rootHeight.value}px` : '',\n    width: fixed.value ? `${rootWidth.value}px` : '',\n  }\n})\n\nconst affixStyle = computed<CSSProperties>(() => {\n  if (!fixed.value) return {}\n\n  const offset = addUnit(props.offset)\n  return {\n    height: `${rootHeight.value}px`,\n    width: `${rootWidth.value}px`,\n    top: props.position === 'top' ? offset : '',\n    bottom: props.position === 'bottom' ? offset : '',\n    left: props.teleported ? `${rootLeft.value}px` : '',\n    transform: transform.value ? `translateY(${transform.value}px)` : '',\n    zIndex: props.zIndex,\n  }\n})\n\nconst update = () => {\n  if (!scrollContainer.value) return\n\n  scrollTop.value =\n    scrollContainer.value instanceof Window\n      ? document.documentElement.scrollTop\n      : scrollContainer.value.scrollTop || 0\n\n  const { position, target, offset } = props\n  const rootHeightOffset = offset + rootHeight.value\n\n  if (position === 'top') {\n    if (target) {\n      const difference = targetRect.bottom.value - rootHeightOffset\n      fixed.value = offset > rootTop.value && targetRect.bottom.value > 0\n      transform.value = difference < 0 ? difference : 0\n    } else {\n      fixed.value = offset > rootTop.value\n    }\n  } else if (target) {\n    const difference =\n      windowHeight.value - targetRect.top.value - rootHeightOffset\n    fixed.value =\n      windowHeight.value - offset < rootBottom.value &&\n      windowHeight.value > targetRect.top.value\n    transform.value = difference < 0 ? -difference : 0\n  } else {\n    fixed.value = windowHeight.value - offset < rootBottom.value\n  }\n}\n\nconst updateRootRect = async () => {\n  if (!fixed.value) {\n    updateRoot()\n    return\n  }\n\n  fixed.value = false\n  await nextTick()\n  updateRoot()\n  fixed.value = true\n}\n\nconst handleScroll = async () => {\n  updateRoot()\n  await nextTick()\n  emit('scroll', {\n    scrollTop: scrollTop.value,\n    fixed: fixed.value,\n  })\n}\n\nwatch(fixed, (val) => emit(CHANGE_EVENT, val))\n\nonMounted(() => {\n  if (props.target) {\n    target.value =\n      document.querySelector<HTMLElement>(props.target) ?? undefined\n    if (!target.value)\n      throwError(COMPONENT_NAME, `Target does not exist: ${props.target}`)\n  } else {\n    target.value = document.documentElement\n  }\n  scrollContainer.value = getScrollContainer(root.value!, true)\n  updateRoot()\n})\n\nonActivated(() => {\n  nextTick(updateRootRect)\n})\n\nonDeactivated(() => {\n  fixed.value = false\n})\n\nuseEventListener(scrollContainer, 'scroll', handleScroll)\nwatchEffect(update)\n\ndefineExpose({\n  /** @description update affix status */\n  update,\n  /** @description update rootRect info */\n  updateRoot: updateRootRect,\n})\n</script>\n"],"names":["target","_createElementBlock","_normalizeClass","_unref","_createVNode","_createElementVNode","_renderSlot"],"mappings":";;;;;;;;;;AAoCA,MAAM,cAAA,GAAiB,SAAA;;;;;;;;;AAIvB,IAAA,MAAM,KAAA,GAAQ,OAAA;AAOd,IAAA,MAAM,IAAA,GAAO,MAAA;AAEb,IAAA,MAAM,EAAA,GAAK,aAAa,OAAO,CAAA;AAE/B,IAAA,MAAM,SAAS,UAAA,EAAwB;AACvC,IAAA,MAAM,OAAO,UAAA,EAA2B;AACxC,IAAA,MAAM,kBAAkB,UAAA,EAAiC;AACzD,IAAA,MAAM,EAAE,MAAA,EAAQ,YAAA,EAAa,GAAI,aAAA,EAAc;AAC/C,IAAA,MAAM;AAAA,MACJ,MAAA,EAAQ,UAAA;AAAA,MACR,KAAA,EAAO,SAAA;AAAA,MACP,GAAA,EAAK,OAAA;AAAA,MACL,MAAA,EAAQ,UAAA;AAAA,MACR,IAAA,EAAM,QAAA;AAAA,MACN,MAAA,EAAQ;AAAA,QACN,kBAAA,CAAmB,IAAA,EAAM,EAAE,YAAA,EAAc,OAAO,CAAA;AACpD,IAAA,MAAM,UAAA,GAAa,mBAAmB,MAAM,CAAA;AAE5C,IAAA,MAAM,KAAA,GAAQ,IAAI,KAAK,CAAA;AACvB,IAAA,MAAM,SAAA,GAAY,IAAI,CAAC,CAAA;AACvB,IAAA,MAAM,SAAA,GAAY,IAAI,CAAC,CAAA;AAEvB,IAAA,MAAM,gBAAA,GAAmB,SAAS,MAAM;AACtC,MAAA,OAAO,CAAC,KAAA,CAAM,UAAA,IAAc,CAAC,KAAA,CAAM,KAAA;AAAA,IACrC,CAAC,CAAA;AAED,IAAA,MAAM,SAAA,GAAY,SAAwB,MAAM;AAC9C,MAAA,OAAO;AAAA,QACL,QAAQ,KAAA,CAAM,KAAA,GAAQ,CAAA,EAAG,UAAA,CAAW,KAAK,CAAA,EAAA,CAAA,GAAO,EAAA;AAAA,QAChD,OAAO,KAAA,CAAM,KAAA,GAAQ,CAAA,EAAG,SAAA,CAAU,KAAK,CAAA,EAAA,CAAA,GAAO;AAAA,OAChD;AAAA,IACF,CAAC,CAAA;AAED,IAAA,MAAM,UAAA,GAAa,SAAwB,MAAM;AAC/C,MAAA,IAAI,CAAC,KAAA,CAAM,KAAA,EAAO,OAAO,EAAC;AAE1B,MAAA,MAAM,MAAA,GAAS,OAAA,CAAQ,KAAA,CAAM,MAAM,CAAA;AACnC,MAAA,OAAO;AAAA,QACL,MAAA,EAAQ,CAAA,EAAG,UAAA,CAAW,KAAK,CAAA,EAAA,CAAA;AAAA,QAC3B,KAAA,EAAO,CAAA,EAAG,SAAA,CAAU,KAAK,CAAA,EAAA,CAAA;AAAA,QACzB,GAAA,EAAK,KAAA,CAAM,QAAA,KAAa,KAAA,GAAQ,MAAA,GAAS,EAAA;AAAA,QACzC,MAAA,EAAQ,KAAA,CAAM,QAAA,KAAa,QAAA,GAAW,MAAA,GAAS,EAAA;AAAA,QAC/C,MAAM,KAAA,CAAM,UAAA,GAAa,CAAA,EAAG,QAAA,CAAS,KAAK,CAAA,EAAA,CAAA,GAAO,EAAA;AAAA,QACjD,WAAW,SAAA,CAAU,KAAA,GAAQ,CAAA,WAAA,EAAc,SAAA,CAAU,KAAK,CAAA,GAAA,CAAA,GAAQ,EAAA;AAAA,QAClE,QAAQ,KAAA,CAAM;AAAA,OAChB;AAAA,IACF,CAAC,CAAA;AAED,IAAA,MAAM,SAAS,MAAM;AACnB,MAAA,IAAI,CAAC,gBAAgB,KAAA,EAAO;AAE5B,MAAA,SAAA,CAAU,KAAA,GACR,gBAAgB,KAAA,YAAiB,MAAA,GAC7B,SAAS,eAAA,CAAgB,SAAA,GACzB,eAAA,CAAgB,KAAA,CAAM,SAAA,IAAa,CAAA;AAEzC,MAAA,MAAM,EAAE,QAAA,EAAU,MAAA,EAAAA,OAAAA,EAAQ,QAAO,GAAI,KAAA;AACrC,MAAA,MAAM,gBAAA,GAAmB,SAAS,UAAA,CAAW,KAAA;AAE7C,MAAA,IAAI,aAAa,KAAA,EAAO;AACtB,QAAA,IAAIA,OAAAA,EAAQ;AACV,UAAA,MAAM,UAAA,GAAa,UAAA,CAAW,MAAA,CAAO,KAAA,GAAQ,gBAAA;AAC7C,UAAA,KAAA,CAAM,QAAQ,MAAA,GAAS,OAAA,CAAQ,KAAA,IAAS,UAAA,CAAW,OAAO,KAAA,GAAQ,CAAA;AAClE,UAAA,SAAA,CAAU,KAAA,GAAQ,UAAA,GAAa,CAAA,GAAI,UAAA,GAAa,CAAA;AAAA,QAClD,CAAA,MAAO;AACL,UAAA,KAAA,CAAM,KAAA,GAAQ,SAAS,OAAA,CAAQ,KAAA;AAAA,QACjC;AAAA,MACF,WAAWA,OAAAA,EAAQ;AACjB,QAAA,MAAM,UAAA,GACJ,YAAA,CAAa,KAAA,GAAQ,UAAA,CAAW,IAAI,KAAA,GAAQ,gBAAA;AAC9C,QAAA,KAAA,CAAM,KAAA,GACJ,aAAa,KAAA,GAAQ,MAAA,GAAS,WAAW,KAAA,IACzC,YAAA,CAAa,KAAA,GAAQ,UAAA,CAAW,GAAA,CAAI,KAAA;AACtC,QAAA,SAAA,CAAU,KAAA,GAAQ,UAAA,GAAa,CAAA,GAAI,CAAC,UAAA,GAAa,CAAA;AAAA,MACnD,CAAA,MAAO;AACL,QAAA,KAAA,CAAM,KAAA,GAAQ,YAAA,CAAa,KAAA,GAAQ,MAAA,GAAS,UAAA,CAAW,KAAA;AAAA,MACzD;AAAA,IACF,CAAA;AAEA,IAAA,MAAM,iBAAiB,YAAY;AACjC,MAAA,IAAI,CAAC,MAAM,KAAA,EAAO;AAChB,QAAA,UAAA,EAAW;AACX,QAAA;AAAA,MACF;AAEA,MAAA,KAAA,CAAM,KAAA,GAAQ,KAAA;AACd,MAAA,MAAM,QAAA,EAAS;AACf,MAAA,UAAA,EAAW;AACX,MAAA,KAAA,CAAM,KAAA,GAAQ,IAAA;AAAA,IAChB,CAAA;AAEA,IAAA,MAAM,eAAe,YAAY;AAC/B,MAAA,UAAA,EAAW;AACX,MAAA,MAAM,QAAA,EAAS;AACf,MAAA,IAAA,CAAK,QAAA,EAAU;AAAA,QACb,WAAW,SAAA,CAAU,KAAA;AAAA,QACrB,OAAO,KAAA,CAAM;AAAA,OACd,CAAA;AAAA,IACH,CAAA;AAEA,IAAA,KAAA,CAAM,OAAO,CAAC,GAAA,KAAQ,IAAA,CAAK,YAAA,EAAc,GAAG,CAAC,CAAA;AAE7C,IAAA,SAAA,CAAU,MAAM;;AACd,MAAA,IAAI,MAAM,MAAA,EAAQ;AAChB,QAAA,MAAA,CAAO,SACL,EAAA,GAAA,QAAA,CAAS,aAAA,CAA2B,KAAA,CAAM,MAAM,MAAhD,IAAA,GAAA,EAAA,GAAqD,MAAA;AACvD,QAAA,IAAI,CAAC,MAAA,CAAO,KAAA;AACV,UAAA,UAAA,CAAW,cAAA,EAAgB,CAAA,uBAAA,EAA0B,KAAA,CAAM,MAAM,CAAA,CAAE,CAAA;AAAA,MACvE,CAAA,MAAO;AACL,QAAA,MAAA,CAAO,QAAQ,QAAA,CAAS,eAAA;AAAA,MAC1B;AACA,MAAA,eAAA,CAAgB,KAAA,GAAQ,kBAAA,CAAmB,IAAA,CAAK,KAAA,EAAQ,IAAI,CAAA;AAC5D,MAAA,UAAA,EAAW;AAAA,IACb,CAAC,CAAA;AAED,IAAA,WAAA,CAAY,MAAM;AAChB,MAAA,QAAA,CAAS,cAAc,CAAA;AAAA,IACzB,CAAC,CAAA;AAED,IAAA,aAAA,CAAc,MAAM;AAClB,MAAA,KAAA,CAAM,KAAA,GAAQ,KAAA;AAAA,IAChB,CAAC,CAAA;AAED,IAAA,gBAAA,CAAiB,eAAA,EAAiB,UAAU,YAAY,CAAA;AACxD,IAAA,WAAA,CAAY,MAAM,CAAA;AAElB,IAAA,QAAA,CAAa;AAAA;AAAA,MAEX,MAAA;AAAA;AAAA,MAEA,UAAA,EAAY;AAAA,KACb,CAAA;;0BAjLCC,kBAAA;AAAA,QAMM,KAAA;AAAA,QAAA;AAAA,mBANG,MAAA;AAAA,UAAJ,GAAA,EAAI,IAAA;AAAA,UAAQ,OAAKC,cAAA,CAAEC,KAAA,CAAA,EAAA,CAAA,CAAG,GAAC,CAAA;AAAA,UAAK,KAAA,iBAAO,SAAA,CAAA,KAAS;AAAA;;UAC/CC,WAAA,CAIcD,KAAA,CAAA,UAAA,CAAA,EAAA;AAAA,YAJA,UAAU,gBAAA,CAAA,KAAA;AAAA,YAAmB,IAAI,OAAA,CAAA;AAAA;6BAC7C,MAEM;AAAA,cAFNE,kBAAA;AAAA,gBAEM,KAAA;AAAA,gBAAA;AAAA,kBAFA,KAAA,EAAKH,cAAA,CAAA,EAAA,CAAKC,KAAA,CAAA,EAAA,CAAA,CAAG,CAAA,YAAa,KAAA,CAAA,OAAK,CAAA;AAAA,kBAAK,KAAA,iBAAO,UAAA,CAAA,KAAU;AAAA;;kBACzDG,UAAA,CAAQ,IAAA,CAAA,MAAA,EAAA,SAAA;AAAA;;;;;;;;;;;;;;;;;;"}