{"version":3,"file":"messageBox.js","sources":["../../../../../../packages/components/message-box/src/messageBox.ts"],"sourcesContent":["import { createVNode, render } from 'vue'\nimport {\n  debugWarn,\n  hasOwn,\n  isClient,\n  isElement,\n  isFunction,\n  isObject,\n  isString,\n  isUndefined,\n  isVNode,\n} from '@element-plus/utils'\nimport MessageBoxConstructor from './index.vue'\n\nimport type { AppContext, ComponentPublicInstance, VNode } from 'vue'\nimport type {\n  Action,\n  Callback,\n  ElMessageBoxOptions,\n  ElMessageBoxShortcutMethod,\n  IElMessageBox,\n  MessageBoxData,\n  MessageBoxState,\n} from './message-box.type'\n\n// component default merge props & data\n\nconst messageInstance = new Map<\n  ComponentPublicInstance<{ doClose: () => void }>, // marking doClose as function\n  {\n    options: any\n    callback: Callback | undefined\n    resolve: (res: any) => void\n    reject: (reason?: any) => void\n  }\n>()\n\nconst getAppendToElement = (props: any): HTMLElement => {\n  let appendTo: HTMLElement | null = document.body\n  if (props.appendTo) {\n    if (isString(props.appendTo)) {\n      appendTo = document.querySelector<HTMLElement>(props.appendTo)\n    }\n    if (isElement(props.appendTo)) {\n      appendTo = props.appendTo\n    }\n\n    // should fallback to default value with a warning\n    if (!isElement(appendTo)) {\n      debugWarn(\n        'ElMessageBox',\n        'the appendTo option is not an HTMLElement. Falling back to document.body.'\n      )\n      appendTo = document.body\n    }\n  }\n  return appendTo\n}\n\nconst initInstance = (\n  props: any,\n  container: HTMLElement,\n  appContext: AppContext | null = null\n) => {\n  const vnode = createVNode(\n    MessageBoxConstructor,\n    props,\n    isFunction(props.message) || isVNode(props.message)\n      ? {\n          default: isFunction(props.message)\n            ? props.message\n            : () => props.message,\n        }\n      : null\n  )\n  vnode.appContext = appContext\n  render(vnode, container)\n  getAppendToElement(props).appendChild(container.firstElementChild!)\n  return vnode.component\n}\n\nconst genContainer = () => {\n  return document.createElement('div')\n}\n\nconst showMessage = (options: any, appContext?: AppContext | null) => {\n  const container = genContainer()\n  // Adding destruct method.\n  // when transition leaves emitting `vanish` evt. so that we can do the clean job.\n  options.onVanish = () => {\n    // not sure if this causes mem leak, need proof to verify that.\n    // maybe calling out like 1000 msg-box then close them all.\n    render(null, container)\n    messageInstance.delete(vm) // Remove vm to avoid mem leak.\n    // here we were suppose to call document.body.removeChild(container.firstElementChild)\n    // but render(null, container) did that job for us. so that we do not call that directly\n  }\n\n  options.onAction = (action: Action) => {\n    const currentMsg = messageInstance.get(vm)!\n    let resolve: Action | { value: string; action: Action }\n    if (options.showInput) {\n      resolve = { value: vm.inputValue, action }\n    } else {\n      resolve = action\n    }\n    if (options.callback) {\n      options.callback(resolve, instance.proxy)\n    } else {\n      if (action === 'cancel' || action === 'close') {\n        if (options.distinguishCancelAndClose && action !== 'cancel') {\n          currentMsg.reject('close')\n        } else {\n          currentMsg.reject('cancel')\n        }\n      } else {\n        currentMsg.resolve(resolve)\n      }\n    }\n  }\n\n  const instance = initInstance(options, container, appContext)!\n\n  // This is how we use message box programmably.\n  // Maybe consider releasing a template version?\n  // get component instance like v2.\n  const vm = instance.proxy as ComponentPublicInstance<\n    {\n      visible: boolean\n      doClose: () => void\n    } & MessageBoxState\n  >\n\n  for (const prop in options) {\n    if (hasOwn(options, prop) && !hasOwn(vm.$props, prop)) {\n      vm[prop as keyof ComponentPublicInstance] = options[prop]\n    }\n  }\n\n  // change visibility after everything is settled\n  vm.visible = true\n  return vm\n}\n\nasync function MessageBox(\n  options: ElMessageBoxOptions,\n  appContext?: AppContext | null\n): Promise<MessageBoxData>\nfunction MessageBox(\n  options: ElMessageBoxOptions | string | VNode,\n  appContext: AppContext | null = null\n): Promise<{ value: string; action: Action } | Action> {\n  if (!isClient) return Promise.reject()\n  let callback: Callback | undefined\n  if (isString(options) || isVNode(options)) {\n    options = {\n      message: options,\n    }\n  } else {\n    callback = options.callback\n  }\n\n  return new Promise((resolve, reject) => {\n    const vm = showMessage(\n      options,\n      appContext ?? (MessageBox as IElMessageBox)._context\n    )\n    // collect this vm in order to handle upcoming events.\n    messageInstance.set(vm, {\n      options,\n      callback,\n      resolve,\n      reject,\n    })\n  })\n}\n\nconst MESSAGE_BOX_VARIANTS = ['alert', 'confirm', 'prompt'] as const\nconst MESSAGE_BOX_DEFAULT_OPTS: Record<\n  typeof MESSAGE_BOX_VARIANTS[number],\n  Partial<ElMessageBoxOptions>\n> = {\n  alert: { closeOnPressEscape: false, closeOnClickModal: false },\n  confirm: { showCancelButton: true },\n  prompt: { showCancelButton: true, showInput: true },\n}\n\nMESSAGE_BOX_VARIANTS.forEach((boxType) => {\n  ;(MessageBox as IElMessageBox)[boxType] = messageBoxFactory(\n    boxType\n  ) as ElMessageBoxShortcutMethod\n})\n\nfunction messageBoxFactory(boxType: typeof MESSAGE_BOX_VARIANTS[number]) {\n  return (\n    message: string | VNode,\n    title: string | ElMessageBoxOptions,\n    options?: ElMessageBoxOptions,\n    appContext?: AppContext | null\n  ) => {\n    let titleOrOpts = ''\n    if (isObject(title)) {\n      options = title as ElMessageBoxOptions\n      titleOrOpts = ''\n    } else if (isUndefined(title)) {\n      titleOrOpts = ''\n    } else {\n      titleOrOpts = title as string\n    }\n\n    return MessageBox(\n      Object.assign(\n        {\n          title: titleOrOpts,\n          message,\n          type: '',\n          ...MESSAGE_BOX_DEFAULT_OPTS[boxType],\n        },\n        options,\n        {\n          boxType,\n        }\n      ),\n      appContext\n    )\n  }\n}\n\nMessageBox.close = () => {\n  // instance.setupInstall.doClose()\n  // instance.setupInstall.state.visible = false\n\n  messageInstance.forEach((_, vm) => {\n    vm.doClose()\n  })\n\n  messageInstance.clear()\n}\n;(MessageBox as IElMessageBox)._context = null\n\nexport default MessageBox as 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