Drawer: Add drawer component (#16577)

types/drawer.d.ts

@@ -0,0 +1,63 @@
+import { ElementUIComponent } from './component'
+import { VNode } from 'vue'
+
+type hide = (shouldCancel: boolean) => void
+declare enum Direction {
+    LTR = 'ltr', // left to right
+    RTL = 'rtl', // right to left
+    TTB = 'ttb', // top to bottom
+    BTT = 'btt' // bottom to top
+}
+
+interface DrawerSlots {
+    /* Main Content Slots */
+    default: VNode[];
+
+    /* Title Slots */
+    title: VNode[];
+
+    [key: string]: VNode[]
+}
+/** Drawer Component */
+export declare class ElDrawer extends ElementUIComponent {
+    /* Equivalent to `Dialog`'s append to body attribute, when applying nested drawer, make sure this one is set to true */
+    appendToBody: boolean
+
+    /* Hook method called before close drawer, the first parameter is a function which should determine if the drawer should be closed */
+    beforeClose: (done: hide) => void
+
+    /** Whether the Drawer can be closed by pressing ESC */
+    closeOnPressEscape: boolean
+
+    /** Custom class names for Dialog */
+    customClass: string
+
+    /* Determine whether the wrapped children should be destroyed, if true, children's destroyed life cycle method will be called all local state will be destroyed */
+    destroyOnClose: boolean
+
+    /* Equivalent to `Dialog`'s modal attribute, determines whether the dark shadowing background should show */
+    modal: boolean
+
+    /* Equivalent to `Dialog`'s modal-append-to-body attribute, determines whether the shadowing background should be inserted direct to DocumentBody element */
+    modalAppendToBody: boolean
+
+    /* Attributes that controls the drawer's direction of display*/
+    position: Direction
+
+    /* Whether the close button should be rendered to control the drawer's visible state */
+    showClose: boolean
+
+    /* The size of the drawer component, supporting number with unit of pixel, string by percentage e.g. 30% */
+    size: number | string
+
+    /* The Drawer's title, also can be replaced by named slot `title` */
+    title: string
+
+    /* Whether the drawer component should show, also can be decorated by `.sync` */
+    visible: boolean
+
+    /* Flag attribute whi */
+    wrapperClosable: boolean
+
+    $slots: DrawerSlots
+}