feat: page-meta-head support

packages/uni-app-vite/src/plugin/uni/index.ts

 import { isNativeTag, isCustomElement } from '@dcloudio/uni-shared'
 import { compileI18nJsonStr } from '@dcloudio/uni-i18n'
-import { UniVitePlugin, initI18nOptions } from '@dcloudio/uni-cli-shared'
+import {
+  UniVitePlugin,
+  initI18nOptions,
+  transformPageHead,
+} from '@dcloudio/uni-cli-shared'
 
 export function uniOptions(): UniVitePlugin['uni'] {
   return {
@@ -28,6 +32,7 @@ export function uniOptions(): UniVitePlugin['uni'] {
     compilerOptions: {
       isNativeTag,
       isCustomElement,
+      nodeTransforms: [transformPageHead],
     },
     transformEvent: {
       tap: 'click',

packages/uni-cli-shared/src/utils.ts

@@ -7,11 +7,23 @@ export { default as hash } from 'hash-sum'
 
 import { PAGE_EXTNAME, PAGE_EXTNAME_APP } from './constants'
 import { SFCTemplateCompileOptions } from '@vue/compiler-sfc'
+import { NodeTypes, ElementNode, Node } from '@vue/compiler-core'
 export const isWindows = os.platform() === 'win32'
 export function normalizePath(id: string): string {
   return isWindows ? id.replace(/\\/g, '/') : id
 }
 
+export function checkElementNodeTag(
+  node: Node | null | undefined,
+  tag: string
+): node is ElementNode {
+  return (
+    !!node &&
+    node.type === NodeTypes.ELEMENT &&
+    (node as ElementNode).tag === tag
+  )
+}
+
 export const resolveMainPathOnce = once((inputDir: string) => {
   const mainTsPath = path.resolve(inputDir, 'main.ts')
   if (fs.existsSync(mainTsPath)) {

packages/uni-cli-shared/src/vue/transforms/transformPageHead.ts

 import { NodeTransform } from '@vue/compiler-core'
+import { checkElementNodeTag } from '../../utils'
 
-export const transformPageHead: NodeTransform = (_node, _context) => {
-  // 发现是page-meta下的page-head,直接remove该节点
+export const transformPageHead: NodeTransform = (node, context) => {
+  // 发现是page-meta下的page-meta-head,直接remove该节点
+  checkElementNodeTag(node, 'page-meta-head') &&
+    checkElementNodeTag(context.parent, 'page-meta') &&
+    context.removeNode(node)
 }

packages/uni-components/lib/page-meta-head/page-meta-head.vue

+<template>
+  <teleport to="__head__">
+    <slot />
+  </teleport>
+</template>
+<script>
+export default {
+}
+</script>

packages/uni-mp-vite/src/plugin/uni/index.ts

@@ -4,6 +4,7 @@ import {
   CopyOptions,
   UniVitePlugin,
   MiniProgramCompilerOptions,
+  transformPageHead,
 } from '@dcloudio/uni-cli-shared'
 import { TemplateCompiler } from '@vue/compiler-sfc'
 import type { CompilerOptions } from '@dcloudio/uni-mp-compiler'
@@ -26,6 +27,10 @@ export function uniOptions({
       isNativeTag,
       isCustomElement,
       ...compilerOptions,
+      nodeTransforms: [
+        transformPageHead,
+        ...(compilerOptions?.nodeTransforms || []),
+      ],
     } as any,
   }
 }