remitter - npm Package Compare versions

Comparing version 0.3.1 to 0.3.2

dist/main.d.ts

@@ -62,8 +62,15 @@ /**
     /**
+     * @deprecated Use `has` instead.
      * Returns the number of listeners for the eventName.
-     * @param eventName If empty returns the number of listeners for all events.
-     * @returns
+     * @param eventName Optional eventName to check.
+     * @returns The number of listeners for the eventName. If no eventName is provided, returns the total count of all listeners.
      */
     count<TEventName extends AllRemitterEventNames<TConfig>>(eventName?: TEventName): number;
     /**
+     * If the eventName has any listener.
+     * @param eventName Optional eventName to check.
+     * @returns `true` if the eventName has any listener, `false` otherwise. If no eventName is provided, returns `true` if the Remitter has any listener.
+     */
+    has<TEventName extends AllRemitterEventNames<TConfig>>(eventName?: TEventName): boolean;
+    /**
      * Start a side effect when the eventName has a first listener.
@@ -70,0 +77,0 @@ * Dispose the side effect when the eventName has no listeners.

dist/main.js

@@ -29,9 +29,9 @@ 'use strict';
           listener.eventName_ === ANY_EVENT
-            ? remitter.count() > 0
-            : remitter.count(listener.eventName_) > 0 ||
-              remitter.count(ANY_EVENT) > 0
+            ? remitter.has()
+            : remitter.has(listener.eventName_) ||
+              remitter.has(ANY_EVENT)
           ```
-          `tryStartAll_` will always be called when remitter.count() > 0
+          `tryStartAll_` will always be called when remitter.has() is `true`
         */
-        listener.b === ANY_EVENT || remitter.count(listener.b) > 0 || remitter.count(ANY_EVENT) > 0
+        listener.b === ANY_EVENT || remitter.has(listener.b) || remitter.has(ANY_EVENT)
       ) {
@@ -52,3 +52,3 @@ startRelay(listener, remitter);
     if (listener.a) {
-      if (listener.b === ANY_EVENT ? remitter.count() <= 0 : remitter.count(ANY_EVENT) <= 0 && remitter.count(listener.b) <= 0) {
+      if (listener.b === ANY_EVENT ? !remitter.has() : !remitter.has(ANY_EVENT) && !remitter.has(listener.b)) {
         stopRelay(listener);
@@ -103,3 +103,3 @@ }
     }
-    if (event !== ANY_EVENT && this.count(ANY_EVENT)) {
+    if (event !== ANY_EVENT && this.has(ANY_EVENT)) {
       this.emit(ANY_EVENT, {
@@ -170,5 +170,6 @@ event,
   /**
+   * @deprecated Use `has` instead.
    * Returns the number of listeners for the eventName.
-   * @param eventName If empty returns the number of listeners for all events.
-   * @returns
+   * @param eventName Optional eventName to check.
+   * @returns The number of listeners for the eventName. If no eventName is provided, returns the total count of all listeners.
    */
@@ -187,2 +188,19 @@ count(eventName) {
   /**
+   * If the eventName has any listener.
+   * @param eventName Optional eventName to check.
+   * @returns `true` if the eventName has any listener, `false` otherwise. If no eventName is provided, returns `true` if the Remitter has any listener.
+   */
+  has(eventName) {
+    if (eventName) {
+      return this._l.get(eventName)?.size > 0;
+    } else {
+      for (const listeners of this._l.values()) {
+        if (listeners.size > 0) {
+          return true;
+        }
+      }
+      return false;
+    }
+  }
+  /**
    * Start a side effect when the eventName has a first listener.
@@ -205,3 +223,3 @@ * Dispose the side effect when the eventName has no listeners.
     );
-    if (eventName === ANY_EVENT ? this.count() > 0 : this.count(eventName) > 0 || this.count(ANY_EVENT) > 0) {
+    if (eventName === ANY_EVENT ? this.has() : this.has(eventName) || this.has(ANY_EVENT)) {
       startRelay(relayListener, this);
@@ -208,0 +226,0 @@ }

package.json

 {
   "name": "remitter",
-  "version": "0.3.1",
+  "version": "0.3.2",
   "private": false,
@@ -5,0 +5,0 @@ "description": "A TypeScript friendly event emitter with easy re-emitting events.",

README.md

@@ -45,3 +45,3 @@ # remitter
 
-remitter.count("event1"); // 2
+remitter.has("event1"); // true
 
@@ -58,4 +58,5 @@ remitter.emit("event1", "hello"); // logs "event1 hello" and "event1-once hello"
 remitter.clear("event2"); // remove all listeners for event2
-remitter.count(); // 0
 
+remitter.has(); // false
+
 remitter.dispose(); // removes all listeners and dispose tapped events
@@ -62,0 +63,0 @@ ```

src/relay.ts

@@ -27,11 +27,11 @@ import type { AllRemitterEventNames, RemitterDisposer } from "./interface";
           listener.eventName_ === ANY_EVENT
-            ? remitter.count() > 0
-            : remitter.count(listener.eventName_) > 0 ||
-              remitter.count(ANY_EVENT) > 0
+            ? remitter.has()
+            : remitter.has(listener.eventName_) ||
+              remitter.has(ANY_EVENT)
           ```
-          `tryStartAll_` will always be called when remitter.count() > 0
+          `tryStartAll_` will always be called when remitter.has() is `true`
         */
         listener.eventName_ === ANY_EVENT ||
-        remitter.count(listener.eventName_) > 0 ||
-        remitter.count(ANY_EVENT) > 0
+        remitter.has(listener.eventName_) ||
+        remitter.has(ANY_EVENT)
       ) {
@@ -59,5 +59,4 @@ startRelay(listener, remitter);
         listener.eventName_ === ANY_EVENT
-          ? remitter.count() <= 0
-          : remitter.count(ANY_EVENT) <= 0 &&
-            remitter.count(listener.eventName_) <= 0
+          ? !remitter.has()
+          : !remitter.has(ANY_EVENT) && !remitter.has(listener.eventName_)
       ) {
@@ -64,0 +63,0 @@ stopRelay(listener);

src/remitter.ts

@@ -63,3 +63,3 @@ import type {
     }
-    if (event !== ANY_EVENT && this.count(ANY_EVENT)) {
+    if (event !== ANY_EVENT && this.has(ANY_EVENT)) {
       (this as ReadonlyRemitter<RemitterConfig<TConfig>>).emit(ANY_EVENT, {
@@ -178,5 +178,6 @@ event,
   /**
+   * @deprecated Use `has` instead.
    * Returns the number of listeners for the eventName.
-   * @param eventName If empty returns the number of listeners for all events.
-   * @returns
+   * @param eventName Optional eventName to check.
+   * @returns The number of listeners for the eventName. If no eventName is provided, returns the total count of all listeners.
    */
@@ -198,2 +199,22 @@ public count<TEventName extends AllRemitterEventNames<TConfig>>(
   /**
+   * If the eventName has any listener.
+   * @param eventName Optional eventName to check.
+   * @returns `true` if the eventName has any listener, `false` otherwise. If no eventName is provided, returns `true` if the Remitter has any listener.
+   */
+  public has<TEventName extends AllRemitterEventNames<TConfig>>(
+    eventName?: TEventName
+  ): boolean {
+    if (eventName) {
+      return (this.listeners_.get(eventName)?.size as number) > 0;
+    } else {
+      for (const listeners of this.listeners_.values()) {
+        if (listeners.size > 0) {
+          return true;
+        }
+      }
+      return false;
+    }
+  }
+
+  /**
    * Start a side effect when the eventName has a first listener.
@@ -221,4 +242,4 @@ * Dispose the side effect when the eventName has no listeners.
       eventName === ANY_EVENT
-        ? this.count() > 0
-        : this.count(eventName) > 0 || this.count(ANY_EVENT) > 0
+        ? this.has()
+        : this.has(eventName) || this.has(ANY_EVENT)
     ) {
@@ -225,0 +246,0 @@ startRelay(relayListener, this as unknown as Remitter<TConfig>);

No alert changes

Improved metrics

Total package byte prevSize

34586

7.12%

Lines of code

946

7.01%

Number of lines in readme file

131

0.77%

No dependency changes