remove object.assign && fix lint warning

Author: shinytang6

client/modules/IDE/components/Console.jsx

@@ -17,8 +17,6 @@ import infoLightUrl from '../../../images/console-info-light.svg';
 import infoDarkUrl from '../../../images/console-info-dark.svg';
 import upArrowUrl from '../../../images/up-arrow.svg';
 import downArrowUrl from '../../../images/down-arrow.svg';
-import leftArrowUrl from '../../../images/left-arrow.svg';
-import rightArrowUrl from '../../../images/right-arrow.svg';
 import ConsoleInput from './ConsoleInput';
 
 class Console extends React.Component {

client/modules/IDE/components/ConsoleInput.jsx

@@ -30,7 +30,7 @@ class ConsoleInput extends React.Component {
           return false;
         }
         window.postMessage([{
-          log: Encode(Object.assign({}, { method: 'command', data: Encode(value) })),
+          log: Encode({ method: 'command', data: Encode(value) }),
           source: 'console'
         }], '*');
 

client/modules/IDE/components/PreviewFrame.jsx

@@ -82,7 +82,10 @@ class PreviewFrame extends React.Component {
 
   handleConsoleEvent(messageEvent) {
     if (Array.isArray(messageEvent.data)) {
-      const decodedMessages = messageEvent.data.map(message => Object.assign(Decode(message.log), { source: message.source }));
+      const decodedMessages = messageEvent.data.map(message => Object.assign(
+        Decode(message.log),
+        { source: message.source }
+      ));
       decodedMessages.every((message, index, arr) => {
         const { data: args, source } = message;
         if (source === 'console') {
@@ -107,7 +110,7 @@ class PreviewFrame extends React.Component {
             return false;
           }
           window.postMessage([{
-            log: Encode(Object.assign({}, { method: 'result', data: Encode(consoleInfo) })),
+            log: Encode({ method: 'result', data: Encode(consoleInfo) }),
             source: 'sketch'
           }], '*');
         }

client/utils/evaluateConsole.js

@@ -6,7 +6,7 @@ export default function handleConsoleExpressions(expression) {
   } catch (e) {
     const data = [e.toString()];
     window.postMessage([{
-      log: Array.of(Object.assign({}, { method: 'error', data })),
+      log: Array.of({ method: 'error', data }),
       source: 'sketch'
     }], '*');
   }