Changed fileExplorer to async/await to fix remixd error

src/app/files/file-explorer.js

@@ -234,8 +234,11 @@ function fileExplorer (localRegistry, files, menuItems) {
         const currentFoldername = extractNameFromKey(key)
 
         modalDialogCustom.confirm(`Confirm to delete folder`, `Are you sure you want to delete ${currentFoldername} folder?`,
-          () => {
-            if (!files.remove(key)) {
+          async () => {
+            const fileManager = self._deps.fileManager
+            const removeFolder = await fileManager.rmdir(key)
+
+            if (!removeFolder) {
               tooltip(`failed to remove ${key}. Make sure the directory is empty before removing it.`)
             } else {
               self.updatePath('browser')
@@ -578,13 +581,15 @@ fileExplorer.prototype.createNewFile = function (parentFolder = 'browser') {
   let self = this
   modalDialogCustom.prompt('Create new file', 'File Name (e.g Untitled.sol)', 'Untitled.sol', (input) => {
     if (!input) input = 'New file'
-    helper.createNonClashingName(parentFolder + '/' + input, self.files, (error, newName) => {
+    helper.createNonClashingName(parentFolder + '/' + input, self.files, async (error, newName) => {
       if (error) return tooltip('Failed to create file ' + newName + ' ' + error)
+      const fileManager = self._deps.fileManager
+      const createFile = await fileManager.writeFile(newName, '')
 
-      if (!self.files.set(newName, '')) {
+      if (!createFile) {
         tooltip('Failed to create file ' + newName)
       } else {
-        self._deps.fileManager.open(newName)
+        await fileManager.open(newName)
         if (newName.includes('_test.sol')) {
           self.events.trigger('newTestFileCreated', [newName])
         }

src/app/files/fileManager.js

@@ -158,9 +158,9 @@ class FileManager extends Plugin {
   async writeFile (path, data) {
     if (await this.exists(path)) {
       await this._handleIsFile(path, `Cannot write file ${path}`)
-      this.setFile(path, data)
+      return await this.setFile(path, data)
     } else {
-      this.setFile(path, data)
+      return await this.setFile(path, data)
     }
   }
 
@@ -262,7 +262,7 @@ class FileManager extends Plugin {
 
     const provider = this.fileProviderOf(path)
 
-    return provider.remove(path)
+    return await provider.remove(path)
   }
 
   init () {
@@ -385,7 +385,7 @@ class FileManager extends Plugin {
         `, '', { time: 3000 })
       }
     }
-    this._setFileInternal(path, content)
+    return await this._setFileInternal(path, content)
   }
 
   _setFileInternal (path, content) {

src/app/files/remixDProvider.js

@@ -118,9 +118,9 @@ module.exports = class RemixDProvider {
     return this._readOnlyMode || this._readOnlyFiles[path] === 1
   }
 
-  remove (path) {
+  async remove (path) {
     var unprefixedpath = this.removePrefix(path)
-    this._remixd.call('sharedfolder', 'remove', {path: unprefixedpath}, (error, result) => {
+    const callId = await this._remixd.call('sharedfolder', 'remove', {path: unprefixedpath}, (error, result) => {
       if (error) console.log(error)
       var path = this.type + '/' + unprefixedpath
       delete this.filesContent[path]
@@ -128,6 +128,9 @@ module.exports = class RemixDProvider {
         this.event.trigger('fileRemoved', [path])
       })
     })
+    
+    await this._remixd.receiveResponse(callId)
+    return true
   }
 
   rename (oldPath, newPath, isFolder) {