make sure "remove" return a promise

apps/remix-ide/src/app/files/fileProvider.js

@@ -157,35 +157,37 @@ class FileProvider {
    * @param {*} path is the folder to be removed
    */
   remove (path) {
-    path = this.removePrefix(path)
-    if (window.remixFileSystem.existsSync(path)) {
-      const stat = window.remixFileSystem.statSync(path)
-      try {
-        if (!stat.isDirectory()) {
-          return this.removeFile(path)
-        } else {
-          const items = window.remixFileSystem.readdirSync(path)
-          if (items.length !== 0) {
-            items.forEach((item, index) => {
-              const curPath = `${path}/${item}`
-              if (window.remixFileSystem.statSync(curPath).isDirectory()) { // delete folder
-                this.remove(curPath)
-              } else { // delete file
-                this.removeFile(curPath)
-              }
-            })
-            if (window.remixFileSystem.readdirSync(path).length === 0) window.remixFileSystem.rmdirSync(path, console.log)
+    return new Promise((resolve, reject) => {
+      path = this.removePrefix(path)
+      if (window.remixFileSystem.existsSync(path)) {
+        const stat = window.remixFileSystem.statSync(path)
+        try {
+          if (!stat.isDirectory()) {
+            resolve(this.removeFile(path))
           } else {
-            // folder is empty
-            window.remixFileSystem.rmdirSync(path, console.log)
+            const items = window.remixFileSystem.readdirSync(path)
+            if (items.length !== 0) {
+              items.forEach((item, index) => {
+                const curPath = `${path}/${item}`
+                if (window.remixFileSystem.statSync(curPath).isDirectory()) { // delete folder
+                  this.remove(curPath)
+                } else { // delete file
+                  this.removeFile(curPath)
+                }
+              })
+              if (window.remixFileSystem.readdirSync(path).length === 0) window.remixFileSystem.rmdirSync(path, console.log)
+            } else {
+              // folder is empty
+              window.remixFileSystem.rmdirSync(path, console.log)
+            }
           }
+        } catch (e) {
+          console.log(e)
+          return resolve(false)
         }
-      } catch (e) {
-        console.log(e)
-        return false
       }
-    }
-    return true
+      return resolve(true)
+    })
   }
 
   removeFile (path) {

apps/remix-ide/src/app/files/remixDProvider.js

@@ -130,19 +130,22 @@ module.exports = class RemixDProvider {
   }
 
   remove (path) {
+    return new Promise((resolve, reject) => {
     const unprefixedpath = this.removePrefix(path)
-    
     this._appManager.call('remixd', 'remove', { path: unprefixedpath })
     .then(result => {
       console.log('result: ', result)
       const path = this.type + '/' + unprefixedpath
 
       delete this.filesContent[path]
+        resolve(true)
       this.init(() => {
         this.event.trigger('fileRemoved', [path])
       })
     }).catch(error => {
       if (error) console.log(error)
+        resolve(false)
+    })
     })
   }