try/catch

apps/remix-ide/src/app/ui/landing-page/landing-page.js

@@ -298,9 +298,12 @@ export class LandingPage extends ViewPlugin {
     }
 
     const downloadFiles = async () => {
+      try {
         const fileProviders = globalRegistry.get('fileproviders').api
         const json = await fileProviders.browser.copyFolderToJson('/')
         const blob = new Blob([ JSON.stringify(json, null, '\t') ], { type: 'text/plain;charset=utf-8' })
+      const blob = new Blob([ JSON.stringify(json, null, '\t') ], { type: 'text/plain;charset=utf-8' })    
+        const blob = new Blob([ JSON.stringify(json, null, '\t') ], { type: 'text/plain;charset=utf-8' })
         const node = document.createElement('a')
         node.download = 'remix.json'
         node.rel = 'noopener'
@@ -316,6 +319,9 @@ export class LandingPage extends ViewPlugin {
             node.dispatchEvent(evt)
           }
         }, 0) // 40s
+      } catch (e) {
+        tooltip(e.message)
+      }
     }
 
     const uploadFile = (target) => {