bring in ticker from argo-ui

Signed-off-by: Emily <[email protected]>

ui/src/app/components/pods/pods.tsx

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import * as moment from 'moment';
-import {DropDown, Duration, Ticker} from 'argo-ui';
+import {DropDown, Duration} from 'argo-ui';
 import {RolloutReplicaSetInfo} from '../../../models/rollout/generated';
 import {ReplicaSetStatus, ReplicaSetStatusIcon} from '../status-icon/status-icon';
 import './pods.scss';
@@ -10,6 +10,7 @@ import {FontAwesomeIcon} from '@fortawesome/react-fontawesome';
 import {IconDefinition, faCheck, faCircleNotch, faClipboard, faExclamationTriangle, faQuestionCircle, faTimes} from '@fortawesome/free-solid-svg-icons';
 import {EllipsisMiddle} from '../ellipsis-middle/ellipsis-middle';
 import {InfoItem} from '../info-item/info-item';
+import {Ticker} from '../ticker/ticker';
 
 export enum PodStatus {
     Pending = 'pending',

ui/src/app/components/ticker/ticker.tsx

@@ -0,0 +1,40 @@
+import * as moment from 'moment';
+import * as React from 'react';
+import {interval, Subscription} from 'rxjs';
+
+export class Ticker extends React.Component<{intervalMs?: number; disabled?: boolean; children?: (time: moment.Moment) => React.ReactNode}, {time: moment.Moment}> {
+    private subscription: Subscription | null = null;
+
+    constructor(props: {intervalMs?: number; children?: (time: moment.Moment) => React.ReactNode}) {
+        super(props);
+        this.state = {time: moment()};
+        this.ensureSubscribed();
+    }
+
+    public render() {
+        return this.props.children && this.props.children(this.state.time);
+    }
+
+    public componentDidUpdate() {
+        this.ensureSubscribed();
+    }
+
+    public componentWillUnmount() {
+        this.ensureUnsubscribed();
+    }
+
+    private ensureSubscribed() {
+        if (this.props.disabled) {
+            this.ensureUnsubscribed();
+        } else if (!this.subscription) {
+            this.subscription = interval(this.props.intervalMs || 1000).subscribe(() => this.setState({time: moment()}));
+        }
+    }
+
+    private ensureUnsubscribed() {
+        if (this.subscription != null) {
+            this.subscription.unsubscribe();
+            this.subscription = null;
+        }
+    }
+}