fix: rename interval to timeoutId

lib/poller.js

@@ -41,7 +41,7 @@ class Poller {
     this._namespace = namespace
     this._secretDescriptor = secretDescriptor
     this._ownerReference = ownerReference
-    this._interval = null
+    this._timeoutId = null
   }
 
   /**
@@ -138,13 +138,17 @@ class Poller {
     }
   }
 
+  /**
+   * Sets a timeout for the next poll
+   * @param {number} nextPollIn - Trigger poll in this many miliseconds
+   */
   _setNextPoll (nextPollIn = this._intervalMilliseconds) {
-    if (this._interval) {
-      clearTimeout(this._interval)
-      this._interval = null
+    if (this._timeoutId) {
+      clearTimeout(this._timeoutId)
+      this._timeoutId = null
     }
 
-    this._interval = setTimeout(this._poll.bind(this), nextPollIn)
+    this._timeoutId = setTimeout(this._poll.bind(this), nextPollIn)
     this._logger.debug('Next poll for %s in %s in %s', this._secretDescriptor.name, this._namespace, nextPollIn)
   }
 
@@ -154,7 +158,7 @@ class Poller {
    * @returns {Object} Poller instance.
    */
   start ({ forcePoll = false } = {}) {
-    if (this._interval) return this
+    if (this._timeoutId) return this
 
     this._logger.debug('starting poller')
 
@@ -172,10 +176,13 @@ class Poller {
    * @returns {Object} Poller instance.
    */
   stop () {
-    if (!this._interval) return this
+    if (!this._timeoutId) return this
+
     this._logger.debug('stopping poller')
-    clearTimeout(this._interval)
-    this._interval = null
+
+    clearTimeout(this._timeoutId)
+    this._timeoutId = null
+
     return this
   }
 }