Add Arc installation check

A function "isArcInstalled" has been introduced which checks if Arc is installed before attempting to fetch and display tabs. This prevents potential errors and mishandling when Arc isn't installed.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wox.plugin.arc",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "scripts": {
     "build": "pnpm clean && ncc build src/index.ts -o dist && babel dist --out-dir dist && cp -r images dist && cp -r plugin.json dist",
     "package": "pnpm build && cd dist && zip -r ../wox.plugin.arc.wox *.js *.json images",

plugin.json

@@ -7,7 +7,7 @@
   "Name": "Arc",
   "Description": "Search arc tabs and spaces",
   "Author": "Wox-team",
-  "Version": "0.0.2",
+  "Version": "0.0.3",
   "MinWoxVersion": "2.0.0",
   "Runtime": "nodejs",
   "Website": "https://github.com/Wox-launcher/Wox.Plugin.Arc",

src/arc.ts

@@ -224,3 +224,12 @@ export async function getVersion() {
 
   return response
 }
+
+export async function isArcInstalled() {
+  try {
+    await getVersion()
+    return true
+  } catch (error) {
+    return false
+  }
+}

src/index.ts

@@ -1,5 +1,5 @@
 import type { Context, Plugin, PluginInitParams, PublicAPI, Query, Result } from "@wox-launcher/wox-plugin"
-import { getTabs, selectTab } from "./arc"
+import { getTabs, isArcInstalled, selectTab } from "./arc"
 import { Tab } from "./types"
 
 let api: PublicAPI
@@ -10,12 +10,16 @@ export const plugin: Plugin = {
     api = initParams.API
 
     setInterval(async () => {
-      const openTabs = await getTabs()
-      if (openTabs == undefined) {
-        return
-      }
+      if (await isArcInstalled()) {
+        const openTabs = await getTabs()
+        if (openTabs == undefined) {
+          return
+        }
 
-      tabs = openTabs
+        tabs = openTabs
+      } else {
+        tabs = []
+      }
     }, 2000)
   },