Add shouldComponentUpdate to JobShowComponent.

Author: vlad-shatskyi

src/views/2_SessionComponent.tsx

@@ -53,6 +53,7 @@ export class SessionComponent extends React.Component<Props, {}> {
             <JobShowComponent
                 key={job.id}
                 job={job}
+                jobStatus={job.status}
                 isFocused={this.props.isFocused && index === this.props.session.jobs.length - 1}
             />,
         );

src/views/3_JobShowComponent.tsx

@@ -2,9 +2,11 @@ import * as React from "react";
 import {Job} from "../shell/Job";
 import {BufferComponent} from "./BufferComponent";
 import {JobHeaderComponent} from "./JobHeaderComponent";
+import {Status} from "../Enums";
 
 interface Props {
     job: Job;
+    jobStatus: Status;
     isFocused: boolean;
 }
 
@@ -27,6 +29,12 @@ export class JobShowComponent extends React.Component<Props, State> {
             .on("status", () => this.forceUpdate());
     }
 
+    shouldComponentUpdate(nextProps: Props, nextState: State) {
+        return this.state.decorate !== nextState.decorate ||
+            this.props.jobStatus === Status.InProgress ||
+            this.props.jobStatus !== nextProps.jobStatus;
+    }
+
     render() {
         let buffer: React.ReactElement<any>;
         let canBeDecorated = this.props.job.canBeDecorated();