feat: 新增了代码编辑插件的主题选择（当然样式还是没改）

src/views/miaoCodeMirror.vue

@@ -1,9 +1,18 @@
 <template>
-    <div class="codemirror-container" ref="rootRef">
-        <button @click="handleSave">保存</button>
-        <NScrollbar>
-            <codemirror v-model="codeData" :extensions="extensions" />
-        </NScrollbar>
+    <div
+        class="codemirror-container"
+        ref="rootRef"
+        :class="`codemirror-container-${theme}`">
+        <div class="codemirror-container-top">
+            <button @click="handleSave">保存</button>
+            <button @click="switchTheme">切换主题</button>
+        </div>
+        <!-- <NScrollbar :key="_key"> -->
+            <codemirror
+                v-model="codeData"
+                :extensions="extensions"
+                :style="{ height: '100%' }" />
+        <!-- </NScrollbar> -->
     </div>
 </template>
 
@@ -13,6 +22,7 @@ import useMiaoFetchApi from '@/hooks/useMiaoFetchApi'
 import { onMounted, ref } from 'vue'
 import { Codemirror } from 'vue-codemirror'
 import { NScrollbar } from 'naive-ui'
+import { vscodeDark, vscodeLight } from '@uiw/codemirror-theme-vscode'
 
 const miaoFetchApi = useMiaoFetchApi()
 
@@ -20,30 +30,43 @@ const currentFiles = defineModel<VirtualFile[]>('currentFiles', {
     required: true
 })
 
-let vFile: VirtualFile
+const vFile = ref<VirtualFile>()
 const rootRef = ref<HTMLDivElement>()
-
+const _key = ref(Math.random())
 const codeData = ref<string>()
 // 第一次点击保存时自动备份data，暂时懒得做
 const bakData = ref<string>()
 const extensions = ref<any[]>([])
+const theme = ref<'light' | 'dark'>('light')
 
 const handleSave = async () => {
-    if (bakData.value === codeData.value) {
+    if (bakData.value === codeData.value || !vFile.value) {
         return
     }
-    const parentDir = vFile.parent
+    const parentDir = vFile.value?.parent
     const file_bak = new File(
         [new Blob([bakData.value ?? ''])],
-        `${vFile.name}.bak`
+        `${vFile.value?.name}.bak`
     )
-    const file = new File([new Blob([codeData.value ?? ''])], vFile.name)
+    const file = new File([new Blob([codeData.value ?? ''])], vFile.value.name)
     bakData.value = codeData.value
     miaoFetchApi.upload(file, parentDir)
     false && miaoFetchApi.upload(file_bak, parentDir)
 }
 
-const setExtensions = async (fileName: string) => {
+const switchTheme = async () => {
+    if (!vFile.value) {
+        return
+    }
+    theme.value = theme.value === 'dark' ? 'light' : 'dark'
+    extensions.value = [
+        ...(await getLangExtensions(vFile.value?.name)),
+        theme.value === 'dark' ? vscodeDark : vscodeLight
+    ]
+    _key.value = Math.random()
+}
+
+const getLangExtensions = async (fileName: string) => {
     const ext = fileName.split('.').pop()?.toLocaleLowerCase()
     switch (ext) {
         case 'js':
@@ -51,52 +74,52 @@ const setExtensions = async (fileName: string) => {
         case 'ts':
         case 'tsx':
             const { javascript } = await import('@codemirror/lang-javascript')
-            extensions.value = [javascript()]
+            return [javascript()]
             break
         case 'css':
         case 'scss':
             const { sass } = await import('@codemirror/lang-sass')
-            extensions.value = [sass()]
+            return [sass()]
             break
         case 'html':
             const { html } = await import('@codemirror/lang-html')
-            extensions.value = [html()]
+            return [html()]
             break
         case 'py':
             const { python } = await import('@codemirror/lang-python')
-            extensions.value = [python()]
+            return [python()]
             break
         case 'go':
             const { go } = await import('@codemirror/lang-go')
-            extensions.value = [go()]
+            return [go()]
             break
         case 'json':
             const { json } = await import('@codemirror/lang-json')
-            extensions.value = [json()]
+            return [json()]
             break
         case 'md':
             const { markdown } = await import('@codemirror/lang-markdown')
-            extensions.value = [markdown()]
+            return [markdown()]
             break
         case 'yaml':
             const { yaml } = await import('@codemirror/lang-yaml')
-            extensions.value = [yaml()]
+            return [yaml()]
             break
         case 'vue':
             const { vue } = await import('@codemirror/lang-vue')
-            extensions.value = [vue()]
+            return [vue()]
             break
         case 'xml':
             const { xml } = await import('@codemirror/lang-xml')
-            extensions.value = [xml()]
+            return [xml()]
             break
         default:
-            extensions.value = []
+            return []
     }
 }
 
 onMounted(async () => {
-    vFile = currentFiles.value[0]
+    vFile.value = currentFiles.value[0]
     const fileName = currentFiles.value[0].name
     codeData.value = (
         await miaoFetchApi.getFile(currentFiles.value[0], {
@@ -104,7 +127,8 @@ onMounted(async () => {
         })
     ).toString()
     bakData.value = codeData.value
-    await setExtensions(fileName)
+    extensions.value = [...(await getLangExtensions(fileName)), vscodeLight]
+
     rootRef.value?.addEventListener('keydown', (event) => {
         if (event.ctrlKey && event.key === 's') {
             event.preventDefault()
@@ -118,5 +142,14 @@ onMounted(async () => {
 .codemirror-container {
     width: 100%;
     height: 100%;
+    &-top {
+        background-color: aqua;
+    }
+}
+.codemirror-container-dark {
+    background-color: rgb(30, 30, 30);
+}
+.codemirror-container-light {
+    background-color: rgb(255, 255, 255);
 }
 </style>