feat(client): support export & import settings JSON

Author: alexzhang1030

Diff for: packages/client/src/composables/state.ts

@@ -1,6 +1,8 @@
 import type { RemovableRef } from '@vueuse/core'
+import { showVueNotification } from '@vue/devtools-ui'
 import type { GraphSettings } from './graph'
 import type { TabSettings } from './state-tab'
+import { downloadFile, readFileAsText } from '~/utils'
 
 interface DevtoolsClientState {
   isFirstVisit: boolean
@@ -65,4 +67,48 @@ watch(() => devtoolsClientState.value.splitScreen.enabled, (enabled, o) => {
     devtoolsClientState.value.splitScreen.size = [50, 50]
   }
 })
+
+const DEVTOOLS_STATE_KEY = '__VUE_DEVTOOLS_CLIENT_STATE__'
+
+export function useExportDevtoolsClientState() {
+  return {
+    exportDevtoolsClientState: () => {
+      const blob = new Blob([
+        JSON.stringify({ [DEVTOOLS_STATE_KEY]: devtoolsClientState.value }, null, 2),
+      ], { type: 'application/json' })
+      downloadFile(blob, 'vue-devtools-client-state.json')
+    },
+  }
+}
+
+export function useImportDevtoolsClientState() {
+  const { open, onChange } = useFileDialog({ accept: '.json', multiple: false })
+
+  onChange((fileList) => {
+    const jsonFile = fileList?.[0]
+    if (!jsonFile)
+      return
+    readFileAsText(jsonFile)
+      .then((file) => {
+        const data = JSON.parse(file as string)[DEVTOOLS_STATE_KEY]
+        if (!data)
+          throw new Error('Invalid file')
+        devtoolsClientState.value = data
+        showVueNotification({
+          message: 'Import successful',
+          type: 'success',
+        })
+      })
+      .catch(() => {
+        showVueNotification({
+          type: 'error',
+          message: 'Invalid file',
+        })
+      })
+  })
+
+  return {
+    openImportDialog: open,
+  }
+}
 // #endregion

Diff for: packages/client/src/pages/settings.vue

@@ -86,6 +86,9 @@ const minimizePanelInteractiveLabel = computed(() => {
   const option = minimizePanelInteractiveOptions.find(i => i.value === minimizePanelInteractive.value)
   return `${option?.label ?? 'Select...'}`
 })
+
+const { openImportDialog } = useImportDevtoolsClientState()
+const { exportDevtoolsClientState } = useExportDevtoolsClientState()
 </script>
 
 <template>
@@ -213,6 +216,20 @@ const minimizePanelInteractiveLabel = computed(() => {
           </VueCard>
         </template>
 
+        <h3 mt2 text-lg>
+          Data
+        </h3>
+        <div flex="~ gap-2 wrap">
+          <VueButton outlined @click="() => exportDevtoolsClientState()">
+            <div i-ph-export />
+            Export Settings
+          </VueButton>
+          <VueButton outlined @click="() => openImportDialog()">
+            <div i-ph-download-simple />
+            Import Settings
+          </VueButton>
+        </div>
+
         <h3 mt2 text-lg>
           Debug
         </h3>

Diff for: packages/client/src/utils/file.ts

@@ -0,0 +1,17 @@
+export function readFileAsText(file: Blob) {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader()
+    reader.onload = () => resolve(reader.result)
+    reader.onerror = () => reject(new Error('Failed to read file'))
+    reader.readAsText(file)
+  })
+}
+
+export function downloadFile(content: Blob, filename: string) {
+  const url = URL.createObjectURL(content)
+  const a = document.createElement('a')
+  a.href = url
+  a.download = filename
+  a.click()
+  URL.revokeObjectURL(url)
+}

Diff for: packages/client/src/utils/index.ts

@@ -1,2 +1,3 @@
 export * from './color'
 export * from './time'
+export * from './file'