element-plus/es/components/notification/src/notify.mjs.map

A Component Library for Vue 3

{"version":3,"file":"notify.mjs","sources":["../../../../../../packages/components/notification/src/notify.ts"],"sourcesContent":["import { createVNode, isVNode, render } from 'vue'\nimport {\n  debugWarn,\n  isClient,\n  isElement,\n  isFunction,\n  isString,\n  isUndefined,\n} from '@element-plus/utils'\nimport NotificationConstructor from './notification.vue'\nimport { notificationTypes } from './notification'\n\nimport type { Ref, VNode } from 'vue'\nimport type {\n  NotificationOptions,\n  NotificationProps,\n  NotificationQueue,\n  Notify,\n  NotifyFn,\n} from './notification'\n\n// This should be a queue but considering there were `non-autoclosable` notifications.\nconst notifications: Record<\n  NotificationOptions['position'],\n  NotificationQueue\n> = {\n  'top-left': [],\n  'top-right': [],\n  'bottom-left': [],\n  'bottom-right': [],\n}\n\n// the gap size between each notification\nconst GAP_SIZE = 16\nlet seed = 1\n\nconst notify: NotifyFn & Partial<Notify> = function (options = {}, context) {\n  if (!isClient) return { close: () => undefined }\n\n  if (isString(options) || isVNode(options)) {\n    options = { message: options }\n  }\n\n  const position = options.position || 'top-right'\n\n  let verticalOffset = options.offset || 0\n  notifications[position].forEach(({ vm }) => {\n    verticalOffset += (vm.el?.offsetHeight || 0) + GAP_SIZE\n  })\n  verticalOffset += GAP_SIZE\n\n  const id = `notification_${seed++}`\n  const userOnClose = options.onClose\n  const props: Partial<NotificationProps> = {\n    ...options,\n    offset: verticalOffset,\n    id,\n    onClose: () => {\n      close(id, position, userOnClose)\n    },\n  }\n\n  let appendTo: HTMLElement | null = document.body\n  if (isElement(options.appendTo)) {\n    appendTo = options.appendTo\n  } else if (isString(options.appendTo)) {\n    appendTo = document.querySelector(options.appendTo)\n  }\n\n  // should fallback to default value with a warning\n  if (!isElement(appendTo)) {\n    debugWarn(\n      'ElNotification',\n      'the appendTo option is not an HTMLElement. Falling back to document.body.'\n    )\n    appendTo = document.body\n  }\n\n  const container = document.createElement('div')\n\n  const vm = createVNode(\n    NotificationConstructor,\n    props,\n    isFunction(props.message)\n      ? props.message\n      : isVNode(props.message)\n        ? () => props.message\n        : null\n  )\n  vm.appContext = isUndefined(context) ? notify._context : context\n\n  // clean notification element preventing mem leak\n  vm.props!.onDestroy = () => {\n    render(null, container)\n  }\n\n  // instances will remove this item when close function gets called. So we do not need to worry about it.\n  render(vm, container)\n  notifications[position].push({ vm })\n  appendTo.appendChild(container.firstElementChild!)\n\n  return {\n    // instead of calling the onClose function directly, setting this value so that we can have the full lifecycle\n    // for out component, so that all closing steps will not be skipped.\n    close: () => {\n      ;(vm.component!.exposed as { visible: Ref<boolean> }).visible.value =\n        false\n    },\n  }\n}\nnotificationTypes.forEach((type) => {\n  notify[type] = (options = {}, appContext) => {\n    if (isString(options) || isVNode(options)) {\n      options = {\n        message: options,\n      }\n    }\n    return notify({ ...options, type }, appContext)\n  }\n})\n\n/**\n * This function gets called when user click `x` button or press `esc` or the time reached its limitation.\n * Emitted by transition@before-leave event so that we can fetch the current notification.offsetHeight, if this was called\n * by @after-leave the DOM element will be removed from the page thus we can no longer fetch the offsetHeight.\n * @param {String} id notification id to be closed\n * @param {Position} position the positioning strategy\n * @param {Function} userOnClose the callback called when close passed by user\n */\nexport function close(\n  id: string,\n  position: NotificationOptions['position'],\n  userOnClose?: (vm: VNode) => void\n): void {\n  // maybe we can store the index when inserting the vm to notification list.\n  const orientedNotifications = notifications[position]\n  const idx = orientedNotifications.findIndex(\n    ({ vm }) => vm.component?.props.id === id\n  )\n  if (idx === -1) return\n  const { vm } = orientedNotifications[idx]\n  if (!vm) return\n  // calling user's on close function before notification gets removed from DOM.\n  userOnClose?.(vm)\n\n  // note that this is called @before-leave, that's why we were able to fetch this property.\n  const removedHeight = vm.el!.offsetHeight\n  const verticalPos = position.split('-')[0]\n  orientedNotifications.splice(idx, 1)\n  const len = orientedNotifications.length\n  if (len < 1) return\n  // starting from the removing item.\n  for (let i = idx; i < len; i++) {\n    // new position equals the current offsetTop minus removed height plus 16px(the gap size between each item)\n    const { el, component } = orientedNotifications[i].vm\n    const pos =\n      Number.parseInt(el!.style[verticalPos], 10) - removedHeight - GAP_SIZE\n    component!.props.offset = pos\n  }\n}\n\nexport function closeAll(): void {\n  // loop through all directions, close them at once.\n  for (const orientedNotifications of Object.values(notifications)) {\n    orientedNotifications.forEach(({ vm }) => {\n      // same as the previous close method, we'd like to make sure lifecycle gets handle properly.\n      ;(vm.component!.exposed as { visible: Ref<boolean> }).visible.value =\n        false\n    })\n  }\n}\n\nexport function updateOffsets(\n  position: NotificationOptions['position'] = 'top-right'\n) {\n  let verticalOffset =\n    notifications[position][0]?.vm.component?.props?.offset || 0\n\n  for (const { vm } of notifications[position]) {\n    vm.component!.props.offset = verticalOffset\n    verticalOffset += (vm.el?.offsetHeight || 0) + GAP_SIZE\n  }\n}\n\nnotify.closeAll = closeAll\nnotify.updateOffsets = updateOffsets\nnotify._context = null\n\nexport default notify as 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