Refactor Polling Mechanism: Implement Class-Based Poller with Start/Stop Control (#528)

* custom module updates to class based.

* Finish poller logic.

* Use composition for pollers

* Rename poller

* Handle recorder polling.

* Fix quotes in bash command

* Remove logs

customModules/cpu/index.ts

@@ -1,16 +1,14 @@
-import options from 'options';
-
-// Module initializer
 import { module } from '../module';
 
+import options from 'options';
 import Button from 'types/widgets/button';
 
 // Utility Methods
 import { inputHandler } from 'customModules/utils';
 import { computeCPU } from './computeCPU';
-import { pollVariable } from 'customModules/PollVar';
 import { BarBoxChild } from 'lib/types/bar';
 import { Attribute, Child } from 'lib/types/widget';
+import { FunctionPoller } from 'lib/poller/FunctionPoller';
 
 // All the user configurable options for the cpu module that are needed
 const { label, round, leftClick, rightClick, middleClick, scrollUp, scrollDown, pollingInterval, icon } =
@@ -18,7 +16,8 @@ const { label, round, leftClick, rightClick, middleClick, scrollUp, scrollDown,
 
 export const cpuUsage = Variable(0);
 
-pollVariable(
+// Instantiate the Poller class for CPU usage polling
+const cpuPoller = new FunctionPoller<number, []>(
     // Variable to poll and update with the result of the function passed in
     cpuUsage,
     // Variables that should trigger the polling function to update when they change
@@ -29,6 +28,8 @@ pollVariable(
     computeCPU,
 );
 
+cpuPoller.initialize('cpu');
+
 export const Cpu = (): BarBoxChild => {
     const renderLabel = (cpuUsg: number, rnd: boolean): string => {
         return rnd ? `${Math.round(cpuUsg)}%` : `${cpuUsg.toFixed(2)}%`;