feat: add wave

components/_util/wave/index.tsx

@@ -1,10 +1,58 @@
-import { defineComponent } from 'vue'
+import type { VNode } from 'vue'
+import { cloneVNode, computed, defineComponent, shallowRef } from 'vue'
+import { booleanType, classNames, filterEmpty, isVisible } from '@v-c/utils'
+import { useEventListener } from '@vueuse/core'
+import { useProviderConfigState } from '../../config-provider/context'
+import useStyle from './style'
+import useWave from './use-wave'
 
 const Wave = defineComponent({
   name: 'Wave',
-  setup(_, { slots }) {
+  props: {
+    disabled: booleanType()
+  },
+  setup(props, { slots }) {
+    const { getPrefixCls } = useProviderConfigState()
+    const containerRef = shallowRef()
+
+    // ============================== Style ===============================
+    const prefixCls = computed(() => getPrefixCls('wave'))
+    const [, hashId] = useStyle(prefixCls)
+    const showWave = useWave(
+      containerRef,
+      computed(() => classNames(prefixCls, hashId))
+    )
+
+    const onClick = (e: MouseEvent) => {
+      const node = containerRef.value
+      const { disabled } = props
+      if (!node || node.nodeType !== 1 || disabled) {
+        return
+      }
+      // Fix radio button click twice
+      if (
+        (e.target as HTMLElement).tagName === 'INPUT' ||
+        !isVisible(e.target as HTMLElement) ||
+        // No need wave
+        !node.getAttribute ||
+        node.getAttribute('disabled') ||
+        (node as HTMLInputElement).disabled ||
+        node.className.includes('disabled') ||
+        node.className.includes('-leave')
+      ) {
+        return
+      }
+
+      showWave()
+    }
+
+    useEventListener(containerRef, 'click', onClick, true)
+
     return () => {
-      return slots.default?.()
+      const children = slots.default?.()
+      const child = filterEmpty(children)[0]
+      if (!child) return null
+      return cloneVNode(child as VNode, { ref: containerRef })
     }
   }
 })

components/_util/wave/use-wave.ts

@@ -0,0 +1,11 @@
+import type { ComputedRef, Ref } from 'vue'
+import showWaveEffect from './wave-effect'
+
+export default function useWave(nodeRef: Ref<HTMLElement>, className: ComputedRef<string>): VoidFunction {
+  function showWave() {
+    // const node = nodeRef.va!
+    showWaveEffect(nodeRef, className)
+  }
+
+  return showWave
+}

components/_util/wave/wave-effect.tsx

@@ -0,0 +1,32 @@
+import type { ComputedRef, Ref } from 'vue'
+import { unrefElement } from '@vueuse/core'
+import { defineComponent, render } from 'vue'
+import { objectType } from '@v-c/utils'
+
+export const WaveEffect = defineComponent({
+  name: 'WaveEffect',
+  props: {
+    target: objectType<HTMLElement>()
+  },
+  setup() {
+    return () => null
+  }
+})
+
+export default function showWaveEffect(nodeRef: Ref<HTMLElement>, className: ComputedRef<string>) {
+  const node = unrefElement(nodeRef)
+  // Create holder
+  const holder = document.createElement('div')
+  holder.style.position = 'absolute'
+  holder.style.left = `0px`
+  holder.style.top = `0px`
+  node?.insertBefore(holder, node?.firstChild)
+
+  render(
+    <WaveEffect
+      target={node}
+      class={className.value}
+    />,
+    holder
+  )
+}