Cleanup

service.js

@@ -144,12 +144,7 @@ class BesService {
     this.disabledCategories = this.disabledCategories.filter(
       value => value !== cat
     )
-    if (this.timer) clearTimeout(this.timer)
-    this.timer = setTimeout(() => {
-      this.proofAll()
-      delete this.timer
-    }, 10)
-    return this
+    this.scheduleProofing(10)
   }
 
   /**
@@ -162,11 +157,7 @@ class BesService {
       value => value !== cat
     )
     this.disabledCategories.push(cat)
-    if (this.timer) clearTimeout(this.timer)
-    this.timer = setTimeout(() => {
-      this.proofAll()
-      delete this.timer
-    }, 10)
+    this.scheduleProofing(10)
     return this
   }
 
@@ -505,6 +496,19 @@ class BesTreeService extends BesService {
     super.unregister()
   }
 
+  /**
+   * Schedules proofing after given number of milliseconds.
+   *
+   * @param {Number} timeout Number of milliseconds to delay proofing start
+   */
+  scheduleProofing(timeout) {
+    if (this.timer) clearTimeout(this.timer)
+    this.timer = setTimeout(() => {
+      this.proofAll()
+      delete this.timer
+    }, timeout)
+  }
+
   /**
    * Recursively grammar-(re)checks our host DOM tree.
    */
@@ -887,10 +891,7 @@ class BesDOMService extends BesTreeService {
     if (service.eventSink && 'register' in service.eventSink)
       service.eventSink.register(service)
     // Defer proofing giving user a chance to configure the service.
-    service.timer = setTimeout(() => {
-      service.proofAll()
-      delete service.timer
-    }, 10)
+    service.scheduleProofing(10)
     return service
   }
 
@@ -933,10 +934,7 @@ class BesDOMService extends BesTreeService {
     this.repositionAllMarkup()
 
     // Defer grammar-checking to reduce stress on grammar-checking server.
-    this.timer = setTimeout(() => {
-      this.proofAll()
-      delete this.timer
-    }, 1000)
+    this.scheduleProofing(1000)
   }
 }
 
@@ -979,10 +977,7 @@ class BesCKService extends BesTreeService {
     if (service.eventSink && 'register' in service.eventSink)
       service.eventSink.register(service)
     // Defer proofing giving user a chance to configure the service.
-    service.timer = setTimeout(() => {
-      service.proofAll()
-      delete service.timer
-    }, 10)
+    service.scheduleProofing(10)
     return service
   }
 
@@ -1021,10 +1016,7 @@ class BesCKService extends BesTreeService {
       this.repositionAllMarkup()
 
       // Defer grammar-checking to reduce stress on grammar-checking server.
-      this.timer = setTimeout(() => {
-        this.proofAll()
-        delete this.timer
-      }, 1000)
+      this.scheduleProofing(1000)
     }, 0)
   }
 
@@ -1462,10 +1454,7 @@ class BesDOMPlainTextService extends BesPlainTextService {
     if (service.eventSink && 'register' in service.eventSink)
       service.eventSink.register(service)
     // Defer proofing giving user a chance to configure the service.
-    service.timer = setTimeout(() => {
-      service.proofAll()
-      delete service.timer
-    }, 10)
+    service.scheduleProofing(10)
     return service
   }
 
@@ -1511,10 +1500,7 @@ class BesDOMPlainTextService extends BesPlainTextService {
     this.repositionAllMarkup()
 
     // Defer grammar-checking to reduce stress on grammar-checking server.
-    this.timer = setTimeout(() => {
-      this.proofAll()
-      delete this.timer
-    }, 1000)
+    this.scheduleProofing(1000)
   }
 
   /**
@@ -1608,10 +1594,7 @@ class BesTAService extends BesPlainTextService {
     if (service.eventSink && 'register' in service.eventSink)
       service.eventSink.register(service)
     // Defer proofing giving user a chance to configure the service.
-    service.timer = setTimeout(() => {
-      service.proofAll()
-      delete service.timer
-    }, 10)
+    service.scheduleProofing(10)
     return service
   }
 
@@ -1786,10 +1769,7 @@ class BesTAService extends BesPlainTextService {
     this.repositionAllMarkup()
 
     // Defer grammar-checking to reduce stress on grammar-checking server.
-    this.timer = setTimeout(() => {
-      this.proofAll()
-      delete this.timer
-    }, 1000)
+    this.scheduleProofing(1000)
   }
 
   /**