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authorSteve Klebanoff <steve.klebanoff@gmail.com>2018-11-10 07:28:08 +0800
committerSteve Klebanoff <steve.klebanoff@gmail.com>2018-11-10 07:28:08 +0800
commit5c1b1a120362c1e84746d8a6695fe4de0ae6fb89 (patch)
tree8412ecae1fc2af736ba6f782bb45fb3f146d80a8 /packages/instant/src/util/heartbeater.ts
parentacb7e876b20f89cf5e1df614cb81de38a66fa6b1 (diff)
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Using built in intervalUtils instead of rolling own
Diffstat (limited to 'packages/instant/src/util/heartbeater.ts')
-rw-r--r--packages/instant/src/util/heartbeater.ts25
1 files changed, 5 insertions, 20 deletions
diff --git a/packages/instant/src/util/heartbeater.ts b/packages/instant/src/util/heartbeater.ts
index a5b42d87f..dbc72da6a 100644
--- a/packages/instant/src/util/heartbeater.ts
+++ b/packages/instant/src/util/heartbeater.ts
@@ -1,15 +1,14 @@
+import { intervalUtils } from '@0x/utils';
import * as _ from 'lodash';
type HeartbeatableFunction = () => Promise<void>;
export class Heartbeater {
- private _intervalId?: number;
- private _hasPendingRequest: boolean;
+ private _intervalId?: NodeJS.Timer;
private readonly _performImmediatelyOnStart: boolean;
private readonly _performFunction: HeartbeatableFunction;
public constructor(performingFunctionAsync: HeartbeatableFunction, performImmediatelyOnStart: boolean) {
this._performFunction = performingFunctionAsync;
- this._hasPendingRequest = false;
this._performImmediatelyOnStart = performImmediatelyOnStart;
}
@@ -20,30 +19,16 @@ export class Heartbeater {
if (this._performImmediatelyOnStart) {
// tslint:disable-next-line:no-floating-promises
- this._trackAndPerformAsync();
+ this._performFunction();
}
- this._intervalId = window.setInterval(this._trackAndPerformAsync.bind(this), intervalTimeMs);
+ this._intervalId = intervalUtils.setAsyncExcludingInterval(this._performFunction, intervalTimeMs, () => {});
}
public stop(): void {
if (this._intervalId) {
- window.clearInterval(this._intervalId);
+ intervalUtils.clearInterval(this._intervalId);
}
this._intervalId = undefined;
- this._hasPendingRequest = false;
- }
-
- private async _trackAndPerformAsync(): Promise<void> {
- if (this._hasPendingRequest) {
- return;
- }
-
- this._hasPendingRequest = true;
- try {
- await this._performFunction();
- } finally {
- this._hasPendingRequest = false;
- }
}
}