@openfeature/web-sdk - npm Package Compare versions

Comparing version 0.4.14 to 0.4.15

dist/cjs/index.js

@@ -34,371 +34,181 @@ "use strict";
 
-// ../../node_modules/events/events.js
-var require_events = __commonJS({
-  "../../node_modules/events/events.js"(exports, module2) {
+// ../../node_modules/eventemitter3/index.js
+var require_eventemitter3 = __commonJS({
+  "../../node_modules/eventemitter3/index.js"(exports, module2) {
     "use strict";
-    var R = typeof Reflect === "object" ? Reflect : null;
-    var ReflectApply = R && typeof R.apply === "function" ? R.apply : function ReflectApply2(target, receiver, args) {
-      return Function.prototype.apply.call(target, receiver, args);
-    };
-    var ReflectOwnKeys;
-    if (R && typeof R.ownKeys === "function") {
-      ReflectOwnKeys = R.ownKeys;
-    } else if (Object.getOwnPropertySymbols) {
-      ReflectOwnKeys = function ReflectOwnKeys2(target) {
-        return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target));
-      };
-    } else {
-      ReflectOwnKeys = function ReflectOwnKeys2(target) {
-        return Object.getOwnPropertyNames(target);
-      };
+    var has = Object.prototype.hasOwnProperty;
+    var prefix = "~";
+    function Events() {
     }
-    function ProcessEmitWarning(warning) {
-      if (console && console.warn)
-        console.warn(warning);
+    if (Object.create) {
+      Events.prototype = /* @__PURE__ */ Object.create(null);
+      if (!new Events().__proto__)
+        prefix = false;
     }
-    var NumberIsNaN = Number.isNaN || function NumberIsNaN2(value) {
-      return value !== value;
-    };
-    function EventEmitter2() {
-      EventEmitter2.init.call(this);
+    function EE(fn, context, once) {
+      this.fn = fn;
+      this.context = context;
+      this.once = once || false;
     }
-    module2.exports = EventEmitter2;
-    module2.exports.once = once;
-    EventEmitter2.EventEmitter = EventEmitter2;
-    EventEmitter2.prototype._events = void 0;
-    EventEmitter2.prototype._eventsCount = 0;
-    EventEmitter2.prototype._maxListeners = void 0;
-    var defaultMaxListeners = 10;
-    function checkListener(listener) {
-      if (typeof listener !== "function") {
-        throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
+    function addListener(emitter, event, fn, context, once) {
+      if (typeof fn !== "function") {
+        throw new TypeError("The listener must be a function");
       }
+      var listener = new EE(fn, context || emitter, once), evt = prefix ? prefix + event : event;
+      if (!emitter._events[evt])
+        emitter._events[evt] = listener, emitter._eventsCount++;
+      else if (!emitter._events[evt].fn)
+        emitter._events[evt].push(listener);
+      else
+        emitter._events[evt] = [emitter._events[evt], listener];
+      return emitter;
     }
-    Object.defineProperty(EventEmitter2, "defaultMaxListeners", {
-      enumerable: true,
-      get: function() {
-        return defaultMaxListeners;
-      },
-      set: function(arg) {
-        if (typeof arg !== "number" || arg < 0 || NumberIsNaN(arg)) {
-          throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + ".");
-        }
-        defaultMaxListeners = arg;
+    function clearEvent(emitter, evt) {
+      if (--emitter._eventsCount === 0)
+        emitter._events = new Events();
+      else
+        delete emitter._events[evt];
+    }
+    function EventEmitter2() {
+      this._events = new Events();
+      this._eventsCount = 0;
+    }
+    EventEmitter2.prototype.eventNames = function eventNames() {
+      var names = [], events, name;
+      if (this._eventsCount === 0)
+        return names;
+      for (name in events = this._events) {
+        if (has.call(events, name))
+          names.push(prefix ? name.slice(1) : name);
       }
-    });
-    EventEmitter2.init = function() {
-      if (this._events === void 0 || this._events === Object.getPrototypeOf(this)._events) {
-        this._events = /* @__PURE__ */ Object.create(null);
-        this._eventsCount = 0;
+      if (Object.getOwnPropertySymbols) {
+        return names.concat(Object.getOwnPropertySymbols(events));
       }
-      this._maxListeners = this._maxListeners || void 0;
+      return names;
     };
-    EventEmitter2.prototype.setMaxListeners = function setMaxListeners(n) {
-      if (typeof n !== "number" || n < 0 || NumberIsNaN(n)) {
-        throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + ".");
+    EventEmitter2.prototype.listeners = function listeners(event) {
+      var evt = prefix ? prefix + event : event, handlers = this._events[evt];
+      if (!handlers)
+        return [];
+      if (handlers.fn)
+        return [handlers.fn];
+      for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
+        ee[i] = handlers[i].fn;
       }
-      this._maxListeners = n;
-      return this;
+      return ee;
     };
-    function _getMaxListeners(that) {
-      if (that._maxListeners === void 0)
-        return EventEmitter2.defaultMaxListeners;
-      return that._maxListeners;
-    }
-    EventEmitter2.prototype.getMaxListeners = function getMaxListeners() {
-      return _getMaxListeners(this);
+    EventEmitter2.prototype.listenerCount = function listenerCount(event) {
+      var evt = prefix ? prefix + event : event, listeners = this._events[evt];
+      if (!listeners)
+        return 0;
+      if (listeners.fn)
+        return 1;
+      return listeners.length;
     };
-    EventEmitter2.prototype.emit = function emit(type) {
-      var args = [];
-      for (var i = 1; i < arguments.length; i++)
-        args.push(arguments[i]);
-      var doError = type === "error";
-      var events = this._events;
-      if (events !== void 0)
-        doError = doError && events.error === void 0;
-      else if (!doError)
+    EventEmitter2.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
+      var evt = prefix ? prefix + event : event;
+      if (!this._events[evt])
         return false;
-      if (doError) {
-        var er;
-        if (args.length > 0)
-          er = args[0];
-        if (er instanceof Error) {
-          throw er;
+      var listeners = this._events[evt], len = arguments.length, args, i;
+      if (listeners.fn) {
+        if (listeners.once)
+          this.removeListener(event, listeners.fn, void 0, true);
+        switch (len) {
+          case 1:
+            return listeners.fn.call(listeners.context), true;
+          case 2:
+            return listeners.fn.call(listeners.context, a1), true;
+          case 3:
+            return listeners.fn.call(listeners.context, a1, a2), true;
+          case 4:
+            return listeners.fn.call(listeners.context, a1, a2, a3), true;
+          case 5:
+            return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
+          case 6:
+            return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
         }
-        var err = new Error("Unhandled error." + (er ? " (" + er.message + ")" : ""));
-        err.context = er;
-        throw err;
-      }
-      var handler = events[type];
-      if (handler === void 0)
-        return false;
-      if (typeof handler === "function") {
-        ReflectApply(handler, this, args);
-      } else {
-        var len = handler.length;
-        var listeners = arrayClone(handler, len);
-        for (var i = 0; i < len; ++i)
-          ReflectApply(listeners[i], this, args);
-      }
-      return true;
-    };
-    function _addListener(target, type, listener, prepend) {
-      var m;
-      var events;
-      var existing;
-      checkListener(listener);
-      events = target._events;
-      if (events === void 0) {
-        events = target._events = /* @__PURE__ */ Object.create(null);
-        target._eventsCount = 0;
-      } else {
-        if (events.newListener !== void 0) {
-          target.emit(
-            "newListener",
-            type,
-            listener.listener ? listener.listener : listener
-          );
-          events = target._events;
+        for (i = 1, args = new Array(len - 1); i < len; i++) {
+          args[i - 1] = arguments[i];
         }
-        existing = events[type];
-      }
-      if (existing === void 0) {
-        existing = events[type] = listener;
-        ++target._eventsCount;
+        listeners.fn.apply(listeners.context, args);
       } else {
-        if (typeof existing === "function") {
-          existing = events[type] = prepend ? [listener, existing] : [existing, listener];
-        } else if (prepend) {
-          existing.unshift(listener);
-        } else {
-          existing.push(listener);
+        var length = listeners.length, j;
+        for (i = 0; i < length; i++) {
+          if (listeners[i].once)
+            this.removeListener(event, listeners[i].fn, void 0, true);
+          switch (len) {
+            case 1:
+              listeners[i].fn.call(listeners[i].context);
+              break;
+            case 2:
+              listeners[i].fn.call(listeners[i].context, a1);
+              break;
+            case 3:
+              listeners[i].fn.call(listeners[i].context, a1, a2);
+              break;
+            case 4:
+              listeners[i].fn.call(listeners[i].context, a1, a2, a3);
+              break;
+            default:
+              if (!args)
+                for (j = 1, args = new Array(len - 1); j < len; j++) {
+                  args[j - 1] = arguments[j];
+                }
+              listeners[i].fn.apply(listeners[i].context, args);
+          }
         }
-        m = _getMaxListeners(target);
-        if (m > 0 && existing.length > m && !existing.warned) {
-          existing.warned = true;
-          var w = new Error("Possible EventEmitter memory leak detected. " + existing.length + " " + String(type) + " listeners added. Use emitter.setMaxListeners() to increase limit");
-          w.name = "MaxListenersExceededWarning";
-          w.emitter = target;
-          w.type = type;
-          w.count = existing.length;
-          ProcessEmitWarning(w);
-        }
       }
-      return target;
-    }
-    EventEmitter2.prototype.addListener = function addListener(type, listener) {
-      return _addListener(this, type, listener, false);
+      return true;
     };
-    EventEmitter2.prototype.on = EventEmitter2.prototype.addListener;
-    EventEmitter2.prototype.prependListener = function prependListener(type, listener) {
-      return _addListener(this, type, listener, true);
+    EventEmitter2.prototype.on = function on(event, fn, context) {
+      return addListener(this, event, fn, context, false);
     };
-    function onceWrapper() {
-      if (!this.fired) {
-        this.target.removeListener(this.type, this.wrapFn);
-        this.fired = true;
-        if (arguments.length === 0)
-          return this.listener.call(this.target);
-        return this.listener.apply(this.target, arguments);
-      }
-    }
-    function _onceWrap(target, type, listener) {
-      var state = { fired: false, wrapFn: void 0, target, type, listener };
-      var wrapped = onceWrapper.bind(state);
-      wrapped.listener = listener;
-      state.wrapFn = wrapped;
-      return wrapped;
-    }
-    EventEmitter2.prototype.once = function once2(type, listener) {
-      checkListener(listener);
-      this.on(type, _onceWrap(this, type, listener));
-      return this;
+    EventEmitter2.prototype.once = function once(event, fn, context) {
+      return addListener(this, event, fn, context, true);
     };
-    EventEmitter2.prototype.prependOnceListener = function prependOnceListener(type, listener) {
-      checkListener(listener);
-      this.prependListener(type, _onceWrap(this, type, listener));
-      return this;
-    };
-    EventEmitter2.prototype.removeListener = function removeListener(type, listener) {
-      var list, events, position, i, originalListener;
-      checkListener(listener);
-      events = this._events;
-      if (events === void 0)
+    EventEmitter2.prototype.removeListener = function removeListener(event, fn, context, once) {
+      var evt = prefix ? prefix + event : event;
+      if (!this._events[evt])
         return this;
-      list = events[type];
-      if (list === void 0)
+      if (!fn) {
+        clearEvent(this, evt);
         return this;
-      if (list === listener || list.listener === listener) {
-        if (--this._eventsCount === 0)
-          this._events = /* @__PURE__ */ Object.create(null);
-        else {
-          delete events[type];
-          if (events.removeListener)
-            this.emit("removeListener", type, list.listener || listener);
+      }
+      var listeners = this._events[evt];
+      if (listeners.fn) {
+        if (listeners.fn === fn && (!once || listeners.once) && (!context || listeners.context === context)) {
+          clearEvent(this, evt);
         }
-      } else if (typeof list !== "function") {
-        position = -1;
-        for (i = list.length - 1; i >= 0; i--) {
-          if (list[i] === listener || list[i].listener === listener) {
-            originalListener = list[i].listener;
-            position = i;
-            break;
+      } else {
+        for (var i = 0, events = [], length = listeners.length; i < length; i++) {
+          if (listeners[i].fn !== fn || once && !listeners[i].once || context && listeners[i].context !== context) {
+            events.push(listeners[i]);
           }
         }
-        if (position < 0)
-          return this;
-        if (position === 0)
-          list.shift();
-        else {
-          spliceOne(list, position);
-        }
-        if (list.length === 1)
-          events[type] = list[0];
-        if (events.removeListener !== void 0)
-          this.emit("removeListener", type, originalListener || listener);
+        if (events.length)
+          this._events[evt] = events.length === 1 ? events[0] : events;
+        else
+          clearEvent(this, evt);
       }
       return this;
     };
-    EventEmitter2.prototype.off = EventEmitter2.prototype.removeListener;
-    EventEmitter2.prototype.removeAllListeners = function removeAllListeners(type) {
-      var listeners, events, i;
-      events = this._events;
-      if (events === void 0)
-        return this;
-      if (events.removeListener === void 0) {
-        if (arguments.length === 0) {
-          this._events = /* @__PURE__ */ Object.create(null);
-          this._eventsCount = 0;
-        } else if (events[type] !== void 0) {
-          if (--this._eventsCount === 0)
-            this._events = /* @__PURE__ */ Object.create(null);
-          else
-            delete events[type];
-        }
-        return this;
-      }
-      if (arguments.length === 0) {
-        var keys = Object.keys(events);
-        var key;
-        for (i = 0; i < keys.length; ++i) {
-          key = keys[i];
-          if (key === "removeListener")
-            continue;
-          this.removeAllListeners(key);
-        }
-        this.removeAllListeners("removeListener");
-        this._events = /* @__PURE__ */ Object.create(null);
+    EventEmitter2.prototype.removeAllListeners = function removeAllListeners(event) {
+      var evt;
+      if (event) {
+        evt = prefix ? prefix + event : event;
+        if (this._events[evt])
+          clearEvent(this, evt);
+      } else {
+        this._events = new Events();
         this._eventsCount = 0;
-        return this;
       }
-      listeners = events[type];
-      if (typeof listeners === "function") {
-        this.removeListener(type, listeners);
-      } else if (listeners !== void 0) {
-        for (i = listeners.length - 1; i >= 0; i--) {
-          this.removeListener(type, listeners[i]);
-        }
-      }
       return this;
     };
-    function _listeners(target, type, unwrap) {
-      var events = target._events;
-      if (events === void 0)
-        return [];
-      var evlistener = events[type];
-      if (evlistener === void 0)
-        return [];
-      if (typeof evlistener === "function")
-        return unwrap ? [evlistener.listener || evlistener] : [evlistener];
-      return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
+    EventEmitter2.prototype.off = EventEmitter2.prototype.removeListener;
+    EventEmitter2.prototype.addListener = EventEmitter2.prototype.on;
+    EventEmitter2.prefixed = prefix;
+    EventEmitter2.EventEmitter = EventEmitter2;
+    if ("undefined" !== typeof module2) {
+      module2.exports = EventEmitter2;
     }
-    EventEmitter2.prototype.listeners = function listeners(type) {
-      return _listeners(this, type, true);
-    };
-    EventEmitter2.prototype.rawListeners = function rawListeners(type) {
-      return _listeners(this, type, false);
-    };
-    EventEmitter2.listenerCount = function(emitter, type) {
-      if (typeof emitter.listenerCount === "function") {
-        return emitter.listenerCount(type);
-      } else {
-        return listenerCount.call(emitter, type);
-      }
-    };
-    EventEmitter2.prototype.listenerCount = listenerCount;
-    function listenerCount(type) {
-      var events = this._events;
-      if (events !== void 0) {
-        var evlistener = events[type];
-        if (typeof evlistener === "function") {
-          return 1;
-        } else if (evlistener !== void 0) {
-          return evlistener.length;
-        }
-      }
-      return 0;
-    }
-    EventEmitter2.prototype.eventNames = function eventNames() {
-      return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
-    };
-    function arrayClone(arr, n) {
-      var copy = new Array(n);
-      for (var i = 0; i < n; ++i)
-        copy[i] = arr[i];
-      return copy;
-    }
-    function spliceOne(list, index) {
-      for (; index + 1 < list.length; index++)
-        list[index] = list[index + 1];
-      list.pop();
-    }
-    function unwrapListeners(arr) {
-      var ret = new Array(arr.length);
-      for (var i = 0; i < ret.length; ++i) {
-        ret[i] = arr[i].listener || arr[i];
-      }
-      return ret;
-    }
-    function once(emitter, name) {
-      return new Promise(function(resolve, reject) {
-        function errorListener(err) {
-          emitter.removeListener(name, resolver);
-          reject(err);
-        }
-        function resolver() {
-          if (typeof emitter.removeListener === "function") {
-            emitter.removeListener("error", errorListener);
-          }
-          resolve([].slice.call(arguments));
-        }
-        ;
-        eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
-        if (name !== "error") {
-          addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
-        }
-      });
-    }
-    function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
-      if (typeof emitter.on === "function") {
-        eventTargetAgnosticAddListener(emitter, "error", handler, flags);
-      }
-    }
-    function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
-      if (typeof emitter.on === "function") {
-        if (flags.once) {
-          emitter.once(name, listener);
-        } else {
-          emitter.on(name, listener);
-        }
-      } else if (typeof emitter.addEventListener === "function") {
-        emitter.addEventListener(name, function wrapListener(arg) {
-          if (flags.once) {
-            emitter.removeEventListener(name, wrapListener);
-          }
-          listener(arg);
-        });
-      } else {
-        throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter);
-      }
-    }
   }
@@ -429,10 +239,11 @@ });
 var import_core = require("@openfeature/core");
-var import_events = __toESM(require_events());
+
+// ../../node_modules/eventemitter3/index.mjs
+var import_index = __toESM(require_eventemitter3(), 1);
+
+// src/events/open-feature-event-emitter.ts
 var OpenFeatureEventEmitter = class extends import_core.GenericEventEmitter {
-  eventEmitter = new import_events.EventEmitter({ captureRejections: true });
+  eventEmitter = new import_index.default();
   constructor() {
     super();
-    this.eventEmitter.on("error", (err) => {
-      this._logger?.error("Error running event handler:", err);
-    });
   }
@@ -439,0 +250,0 @@ };

dist/esm/index.js

@@ -27,371 +27,181 @@ var __create = Object.create;
 
-// ../../node_modules/events/events.js
-var require_events = __commonJS({
-  "../../node_modules/events/events.js"(exports, module) {
+// ../../node_modules/eventemitter3/index.js
+var require_eventemitter3 = __commonJS({
+  "../../node_modules/eventemitter3/index.js"(exports, module) {
     "use strict";
-    var R = typeof Reflect === "object" ? Reflect : null;
-    var ReflectApply = R && typeof R.apply === "function" ? R.apply : function ReflectApply2(target, receiver, args) {
-      return Function.prototype.apply.call(target, receiver, args);
-    };
-    var ReflectOwnKeys;
-    if (R && typeof R.ownKeys === "function") {
-      ReflectOwnKeys = R.ownKeys;
-    } else if (Object.getOwnPropertySymbols) {
-      ReflectOwnKeys = function ReflectOwnKeys2(target) {
-        return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target));
-      };
-    } else {
-      ReflectOwnKeys = function ReflectOwnKeys2(target) {
-        return Object.getOwnPropertyNames(target);
-      };
+    var has = Object.prototype.hasOwnProperty;
+    var prefix = "~";
+    function Events() {
     }
-    function ProcessEmitWarning(warning) {
-      if (console && console.warn)
-        console.warn(warning);
+    if (Object.create) {
+      Events.prototype = /* @__PURE__ */ Object.create(null);
+      if (!new Events().__proto__)
+        prefix = false;
     }
-    var NumberIsNaN = Number.isNaN || function NumberIsNaN2(value) {
-      return value !== value;
-    };
-    function EventEmitter2() {
-      EventEmitter2.init.call(this);
+    function EE(fn, context, once) {
+      this.fn = fn;
+      this.context = context;
+      this.once = once || false;
     }
-    module.exports = EventEmitter2;
-    module.exports.once = once;
-    EventEmitter2.EventEmitter = EventEmitter2;
-    EventEmitter2.prototype._events = void 0;
-    EventEmitter2.prototype._eventsCount = 0;
-    EventEmitter2.prototype._maxListeners = void 0;
-    var defaultMaxListeners = 10;
-    function checkListener(listener) {
-      if (typeof listener !== "function") {
-        throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
+    function addListener(emitter, event, fn, context, once) {
+      if (typeof fn !== "function") {
+        throw new TypeError("The listener must be a function");
       }
+      var listener = new EE(fn, context || emitter, once), evt = prefix ? prefix + event : event;
+      if (!emitter._events[evt])
+        emitter._events[evt] = listener, emitter._eventsCount++;
+      else if (!emitter._events[evt].fn)
+        emitter._events[evt].push(listener);
+      else
+        emitter._events[evt] = [emitter._events[evt], listener];
+      return emitter;
     }
-    Object.defineProperty(EventEmitter2, "defaultMaxListeners", {
-      enumerable: true,
-      get: function() {
-        return defaultMaxListeners;
-      },
-      set: function(arg) {
-        if (typeof arg !== "number" || arg < 0 || NumberIsNaN(arg)) {
-          throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + ".");
-        }
-        defaultMaxListeners = arg;
+    function clearEvent(emitter, evt) {
+      if (--emitter._eventsCount === 0)
+        emitter._events = new Events();
+      else
+        delete emitter._events[evt];
+    }
+    function EventEmitter2() {
+      this._events = new Events();
+      this._eventsCount = 0;
+    }
+    EventEmitter2.prototype.eventNames = function eventNames() {
+      var names = [], events, name;
+      if (this._eventsCount === 0)
+        return names;
+      for (name in events = this._events) {
+        if (has.call(events, name))
+          names.push(prefix ? name.slice(1) : name);
       }
-    });
-    EventEmitter2.init = function() {
-      if (this._events === void 0 || this._events === Object.getPrototypeOf(this)._events) {
-        this._events = /* @__PURE__ */ Object.create(null);
-        this._eventsCount = 0;
+      if (Object.getOwnPropertySymbols) {
+        return names.concat(Object.getOwnPropertySymbols(events));
       }
-      this._maxListeners = this._maxListeners || void 0;
+      return names;
     };
-    EventEmitter2.prototype.setMaxListeners = function setMaxListeners(n) {
-      if (typeof n !== "number" || n < 0 || NumberIsNaN(n)) {
-        throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + ".");
+    EventEmitter2.prototype.listeners = function listeners(event) {
+      var evt = prefix ? prefix + event : event, handlers = this._events[evt];
+      if (!handlers)
+        return [];
+      if (handlers.fn)
+        return [handlers.fn];
+      for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
+        ee[i] = handlers[i].fn;
       }
-      this._maxListeners = n;
-      return this;
+      return ee;
     };
-    function _getMaxListeners(that) {
-      if (that._maxListeners === void 0)
-        return EventEmitter2.defaultMaxListeners;
-      return that._maxListeners;
-    }
-    EventEmitter2.prototype.getMaxListeners = function getMaxListeners() {
-      return _getMaxListeners(this);
+    EventEmitter2.prototype.listenerCount = function listenerCount(event) {
+      var evt = prefix ? prefix + event : event, listeners = this._events[evt];
+      if (!listeners)
+        return 0;
+      if (listeners.fn)
+        return 1;
+      return listeners.length;
     };
-    EventEmitter2.prototype.emit = function emit(type) {
-      var args = [];
-      for (var i = 1; i < arguments.length; i++)
-        args.push(arguments[i]);
-      var doError = type === "error";
-      var events = this._events;
-      if (events !== void 0)
-        doError = doError && events.error === void 0;
-      else if (!doError)
+    EventEmitter2.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
+      var evt = prefix ? prefix + event : event;
+      if (!this._events[evt])
         return false;
-      if (doError) {
-        var er;
-        if (args.length > 0)
-          er = args[0];
-        if (er instanceof Error) {
-          throw er;
+      var listeners = this._events[evt], len = arguments.length, args, i;
+      if (listeners.fn) {
+        if (listeners.once)
+          this.removeListener(event, listeners.fn, void 0, true);
+        switch (len) {
+          case 1:
+            return listeners.fn.call(listeners.context), true;
+          case 2:
+            return listeners.fn.call(listeners.context, a1), true;
+          case 3:
+            return listeners.fn.call(listeners.context, a1, a2), true;
+          case 4:
+            return listeners.fn.call(listeners.context, a1, a2, a3), true;
+          case 5:
+            return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
+          case 6:
+            return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
         }
-        var err = new Error("Unhandled error." + (er ? " (" + er.message + ")" : ""));
-        err.context = er;
-        throw err;
-      }
-      var handler = events[type];
-      if (handler === void 0)
-        return false;
-      if (typeof handler === "function") {
-        ReflectApply(handler, this, args);
-      } else {
-        var len = handler.length;
-        var listeners = arrayClone(handler, len);
-        for (var i = 0; i < len; ++i)
-          ReflectApply(listeners[i], this, args);
-      }
-      return true;
-    };
-    function _addListener(target, type, listener, prepend) {
-      var m;
-      var events;
-      var existing;
-      checkListener(listener);
-      events = target._events;
-      if (events === void 0) {
-        events = target._events = /* @__PURE__ */ Object.create(null);
-        target._eventsCount = 0;
-      } else {
-        if (events.newListener !== void 0) {
-          target.emit(
-            "newListener",
-            type,
-            listener.listener ? listener.listener : listener
-          );
-          events = target._events;
+        for (i = 1, args = new Array(len - 1); i < len; i++) {
+          args[i - 1] = arguments[i];
         }
-        existing = events[type];
-      }
-      if (existing === void 0) {
-        existing = events[type] = listener;
-        ++target._eventsCount;
+        listeners.fn.apply(listeners.context, args);
       } else {
-        if (typeof existing === "function") {
-          existing = events[type] = prepend ? [listener, existing] : [existing, listener];
-        } else if (prepend) {
-          existing.unshift(listener);
-        } else {
-          existing.push(listener);
+        var length = listeners.length, j;
+        for (i = 0; i < length; i++) {
+          if (listeners[i].once)
+            this.removeListener(event, listeners[i].fn, void 0, true);
+          switch (len) {
+            case 1:
+              listeners[i].fn.call(listeners[i].context);
+              break;
+            case 2:
+              listeners[i].fn.call(listeners[i].context, a1);
+              break;
+            case 3:
+              listeners[i].fn.call(listeners[i].context, a1, a2);
+              break;
+            case 4:
+              listeners[i].fn.call(listeners[i].context, a1, a2, a3);
+              break;
+            default:
+              if (!args)
+                for (j = 1, args = new Array(len - 1); j < len; j++) {
+                  args[j - 1] = arguments[j];
+                }
+              listeners[i].fn.apply(listeners[i].context, args);
+          }
         }
-        m = _getMaxListeners(target);
-        if (m > 0 && existing.length > m && !existing.warned) {
-          existing.warned = true;
-          var w = new Error("Possible EventEmitter memory leak detected. " + existing.length + " " + String(type) + " listeners added. Use emitter.setMaxListeners() to increase limit");
-          w.name = "MaxListenersExceededWarning";
-          w.emitter = target;
-          w.type = type;
-          w.count = existing.length;
-          ProcessEmitWarning(w);
-        }
       }
-      return target;
-    }
-    EventEmitter2.prototype.addListener = function addListener(type, listener) {
-      return _addListener(this, type, listener, false);
+      return true;
     };
-    EventEmitter2.prototype.on = EventEmitter2.prototype.addListener;
-    EventEmitter2.prototype.prependListener = function prependListener(type, listener) {
-      return _addListener(this, type, listener, true);
+    EventEmitter2.prototype.on = function on(event, fn, context) {
+      return addListener(this, event, fn, context, false);
     };
-    function onceWrapper() {
-      if (!this.fired) {
-        this.target.removeListener(this.type, this.wrapFn);
-        this.fired = true;
-        if (arguments.length === 0)
-          return this.listener.call(this.target);
-        return this.listener.apply(this.target, arguments);
-      }
-    }
-    function _onceWrap(target, type, listener) {
-      var state = { fired: false, wrapFn: void 0, target, type, listener };
-      var wrapped = onceWrapper.bind(state);
-      wrapped.listener = listener;
-      state.wrapFn = wrapped;
-      return wrapped;
-    }
-    EventEmitter2.prototype.once = function once2(type, listener) {
-      checkListener(listener);
-      this.on(type, _onceWrap(this, type, listener));
-      return this;
+    EventEmitter2.prototype.once = function once(event, fn, context) {
+      return addListener(this, event, fn, context, true);
     };
-    EventEmitter2.prototype.prependOnceListener = function prependOnceListener(type, listener) {
-      checkListener(listener);
-      this.prependListener(type, _onceWrap(this, type, listener));
-      return this;
-    };
-    EventEmitter2.prototype.removeListener = function removeListener(type, listener) {
-      var list, events, position, i, originalListener;
-      checkListener(listener);
-      events = this._events;
-      if (events === void 0)
+    EventEmitter2.prototype.removeListener = function removeListener(event, fn, context, once) {
+      var evt = prefix ? prefix + event : event;
+      if (!this._events[evt])
         return this;
-      list = events[type];
-      if (list === void 0)
+      if (!fn) {
+        clearEvent(this, evt);
         return this;
-      if (list === listener || list.listener === listener) {
-        if (--this._eventsCount === 0)
-          this._events = /* @__PURE__ */ Object.create(null);
-        else {
-          delete events[type];
-          if (events.removeListener)
-            this.emit("removeListener", type, list.listener || listener);
+      }
+      var listeners = this._events[evt];
+      if (listeners.fn) {
+        if (listeners.fn === fn && (!once || listeners.once) && (!context || listeners.context === context)) {
+          clearEvent(this, evt);
         }
-      } else if (typeof list !== "function") {
-        position = -1;
-        for (i = list.length - 1; i >= 0; i--) {
-          if (list[i] === listener || list[i].listener === listener) {
-            originalListener = list[i].listener;
-            position = i;
-            break;
+      } else {
+        for (var i = 0, events = [], length = listeners.length; i < length; i++) {
+          if (listeners[i].fn !== fn || once && !listeners[i].once || context && listeners[i].context !== context) {
+            events.push(listeners[i]);
           }
         }
-        if (position < 0)
-          return this;
-        if (position === 0)
-          list.shift();
-        else {
-          spliceOne(list, position);
-        }
-        if (list.length === 1)
-          events[type] = list[0];
-        if (events.removeListener !== void 0)
-          this.emit("removeListener", type, originalListener || listener);
+        if (events.length)
+          this._events[evt] = events.length === 1 ? events[0] : events;
+        else
+          clearEvent(this, evt);
       }
       return this;
     };
-    EventEmitter2.prototype.off = EventEmitter2.prototype.removeListener;
-    EventEmitter2.prototype.removeAllListeners = function removeAllListeners(type) {
-      var listeners, events, i;
-      events = this._events;
-      if (events === void 0)
-        return this;
-      if (events.removeListener === void 0) {
-        if (arguments.length === 0) {
-          this._events = /* @__PURE__ */ Object.create(null);
-          this._eventsCount = 0;
-        } else if (events[type] !== void 0) {
-          if (--this._eventsCount === 0)
-            this._events = /* @__PURE__ */ Object.create(null);
-          else
-            delete events[type];
-        }
-        return this;
-      }
-      if (arguments.length === 0) {
-        var keys = Object.keys(events);
-        var key;
-        for (i = 0; i < keys.length; ++i) {
-          key = keys[i];
-          if (key === "removeListener")
-            continue;
-          this.removeAllListeners(key);
-        }
-        this.removeAllListeners("removeListener");
-        this._events = /* @__PURE__ */ Object.create(null);
+    EventEmitter2.prototype.removeAllListeners = function removeAllListeners(event) {
+      var evt;
+      if (event) {
+        evt = prefix ? prefix + event : event;
+        if (this._events[evt])
+          clearEvent(this, evt);
+      } else {
+        this._events = new Events();
         this._eventsCount = 0;
-        return this;
       }
-      listeners = events[type];
-      if (typeof listeners === "function") {
-        this.removeListener(type, listeners);
-      } else if (listeners !== void 0) {
-        for (i = listeners.length - 1; i >= 0; i--) {
-          this.removeListener(type, listeners[i]);
-        }
-      }
       return this;
     };
-    function _listeners(target, type, unwrap) {
-      var events = target._events;
-      if (events === void 0)
-        return [];
-      var evlistener = events[type];
-      if (evlistener === void 0)
-        return [];
-      if (typeof evlistener === "function")
-        return unwrap ? [evlistener.listener || evlistener] : [evlistener];
-      return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
+    EventEmitter2.prototype.off = EventEmitter2.prototype.removeListener;
+    EventEmitter2.prototype.addListener = EventEmitter2.prototype.on;
+    EventEmitter2.prefixed = prefix;
+    EventEmitter2.EventEmitter = EventEmitter2;
+    if ("undefined" !== typeof module) {
+      module.exports = EventEmitter2;
     }
-    EventEmitter2.prototype.listeners = function listeners(type) {
-      return _listeners(this, type, true);
-    };
-    EventEmitter2.prototype.rawListeners = function rawListeners(type) {
-      return _listeners(this, type, false);
-    };
-    EventEmitter2.listenerCount = function(emitter, type) {
-      if (typeof emitter.listenerCount === "function") {
-        return emitter.listenerCount(type);
-      } else {
-        return listenerCount.call(emitter, type);
-      }
-    };
-    EventEmitter2.prototype.listenerCount = listenerCount;
-    function listenerCount(type) {
-      var events = this._events;
-      if (events !== void 0) {
-        var evlistener = events[type];
-        if (typeof evlistener === "function") {
-          return 1;
-        } else if (evlistener !== void 0) {
-          return evlistener.length;
-        }
-      }
-      return 0;
-    }
-    EventEmitter2.prototype.eventNames = function eventNames() {
-      return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
-    };
-    function arrayClone(arr, n) {
-      var copy = new Array(n);
-      for (var i = 0; i < n; ++i)
-        copy[i] = arr[i];
-      return copy;
-    }
-    function spliceOne(list, index) {
-      for (; index + 1 < list.length; index++)
-        list[index] = list[index + 1];
-      list.pop();
-    }
-    function unwrapListeners(arr) {
-      var ret = new Array(arr.length);
-      for (var i = 0; i < ret.length; ++i) {
-        ret[i] = arr[i].listener || arr[i];
-      }
-      return ret;
-    }
-    function once(emitter, name) {
-      return new Promise(function(resolve, reject) {
-        function errorListener(err) {
-          emitter.removeListener(name, resolver);
-          reject(err);
-        }
-        function resolver() {
-          if (typeof emitter.removeListener === "function") {
-            emitter.removeListener("error", errorListener);
-          }
-          resolve([].slice.call(arguments));
-        }
-        ;
-        eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
-        if (name !== "error") {
-          addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
-        }
-      });
-    }
-    function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
-      if (typeof emitter.on === "function") {
-        eventTargetAgnosticAddListener(emitter, "error", handler, flags);
-      }
-    }
-    function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
-      if (typeof emitter.on === "function") {
-        if (flags.once) {
-          emitter.once(name, listener);
-        } else {
-          emitter.on(name, listener);
-        }
-      } else if (typeof emitter.addEventListener === "function") {
-        emitter.addEventListener(name, function wrapListener(arg) {
-          if (flags.once) {
-            emitter.removeEventListener(name, wrapListener);
-          }
-          listener(arg);
-        });
-      } else {
-        throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter);
-      }
-    }
   }
@@ -419,11 +229,12 @@ });
 // src/events/open-feature-event-emitter.ts
-var import_events = __toESM(require_events());
 import { GenericEventEmitter } from "@openfeature/core";
+
+// ../../node_modules/eventemitter3/index.mjs
+var import_index = __toESM(require_eventemitter3(), 1);
+
+// src/events/open-feature-event-emitter.ts
 var OpenFeatureEventEmitter = class extends GenericEventEmitter {
-  eventEmitter = new import_events.EventEmitter({ captureRejections: true });
+  eventEmitter = new import_index.default();
   constructor() {
     super();
-    this.eventEmitter.on("error", (err) => {
-      this._logger?.error("Error running event handler:", err);
-    });
   }
@@ -430,0 +241,0 @@ };

dist/types.d.ts

@@ -145,25 +145,135 @@ import * as _openfeature_core from '@openfeature/core';
 
-type Listener = (...args: any[]) => void;
+/**
+ * Minimal `EventEmitter` interface that is molded against the Node.js
+ * `EventEmitter` interface.
+ */
+declare class EventEmitter<
+  EventTypes extends EventEmitter.ValidEventTypes = string | symbol,
+  Context extends any = any
+> {
+  static prefixed: string | boolean;
 
-declare class EventEmitter {
-    static listenerCount(emitter: EventEmitter, type: string | number): number;
-    static defaultMaxListeners: number;
+  /**
+   * Return an array listing the events for which the emitter has registered
+   * listeners.
+   */
+  eventNames(): Array<EventEmitter.EventNames<EventTypes>>;
 
-    eventNames(): Array<string | number>;
-    setMaxListeners(n: number): this;
-    getMaxListeners(): number;
-    emit(type: string | number, ...args: any[]): boolean;
-    addListener(type: string | number, listener: Listener): this;
-    on(type: string | number, listener: Listener): this;
-    once(type: string | number, listener: Listener): this;
-    prependListener(type: string | number, listener: Listener): this;
-    prependOnceListener(type: string | number, listener: Listener): this;
-    removeListener(type: string | number, listener: Listener): this;
-    off(type: string | number, listener: Listener): this;
-    removeAllListeners(type?: string | number): this;
-    listeners(type: string | number): Listener[];
-    listenerCount(type: string | number): number;
-    rawListeners(type: string | number): Listener[];
+  /**
+   * Return the listeners registered for a given event.
+   */
+  listeners<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T
+  ): Array<EventEmitter.EventListener<EventTypes, T>>;
+
+  /**
+   * Return the number of listeners listening to a given event.
+   */
+  listenerCount(event: EventEmitter.EventNames<EventTypes>): number;
+
+  /**
+   * Calls each of the listeners registered for a given event.
+   */
+  emit<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    ...args: EventEmitter.EventArgs<EventTypes, T>
+  ): boolean;
+
+  /**
+   * Add a listener for a given event.
+   */
+  on<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+  addListener<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+
+  /**
+   * Add a one-time listener for a given event.
+   */
+  once<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+
+  /**
+   * Remove the listeners of a given event.
+   */
+  removeListener<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn?: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context,
+    once?: boolean
+  ): this;
+  off<T extends EventEmitter.EventNames<EventTypes>>(
+    event: T,
+    fn?: EventEmitter.EventListener<EventTypes, T>,
+    context?: Context,
+    once?: boolean
+  ): this;
+
+  /**
+   * Remove all listeners, or those of the specified event.
+   */
+  removeAllListeners(event?: EventEmitter.EventNames<EventTypes>): this;
 }
 
+declare namespace EventEmitter {
+  export interface ListenerFn<Args extends any[] = any[]> {
+    (...args: Args): void;
+  }
+
+  export interface EventEmitterStatic {
+    new <
+      EventTypes extends ValidEventTypes = string | symbol,
+      Context = any
+    >(): EventEmitter<EventTypes, Context>;
+  }
+
+  /**
+   * `object` should be in either of the following forms:
+   * ```
+   * interface EventTypes {
+   *   'event-with-parameters': any[]
+   *   'event-with-example-handler': (...args: any[]) => void
+   * }
+   * ```
+   */
+  export type ValidEventTypes = string | symbol | object;
+
+  export type EventNames<T extends ValidEventTypes> = T extends string | symbol
+    ? T
+    : keyof T;
+
+  export type ArgumentMap<T extends object> = {
+    [K in keyof T]: T[K] extends (...args: any[]) => void
+      ? Parameters<T[K]>
+      : T[K] extends any[]
+      ? T[K]
+      : any[];
+  };
+
+  export type EventListener<
+    T extends ValidEventTypes,
+    K extends EventNames<T>
+  > = T extends string | symbol
+    ? (...args: any[]) => void
+    : (
+        ...args: ArgumentMap<Exclude<T, string | symbol>>[Extract<K, keyof T>]
+      ) => void;
+
+  export type EventArgs<
+    T extends ValidEventTypes,
+    K extends EventNames<T>
+  > = Parameters<EventListener<T, K>>;
+
+  export const EventEmitter: EventEmitterStatic;
+}
+
 /**
@@ -182,3 +292,3 @@ * A subset of events that can be directly emitted by providers.
 declare class OpenFeatureEventEmitter extends GenericEventEmitter<ProviderEmittableEvents> {
-    protected readonly eventEmitter: EventEmitter;
+    protected readonly eventEmitter: EventEmitter<string | symbol, any>;
     constructor();
@@ -185,0 +295,0 @@ }

package.json

 {
   "name": "@openfeature/web-sdk",
-  "version": "0.4.14",
+  "version": "0.4.15",
   "description": "OpenFeature SDK for Web",
@@ -49,7 +49,7 @@ "main": "./dist/cjs/index.js",
   "peerDependencies": {
-    "@openfeature/core": "0.0.27"
+    "@openfeature/core": "0.0.28"
   },
   "devDependencies": {
-    "@openfeature/core": "0.0.27"
+    "@openfeature/core": "0.0.28"
   }
 }

README.md

@@ -19,4 +19,4 @@ <!-- markdownlint-disable MD033 -->
   <!-- x-release-please-start-version -->
-  <a href="https://github.com/open-feature/js-sdk/releases/tag/web-sdk-v0.4.14">
-    <img alt="Release" src="https://img.shields.io/static/v1?label=release&message=v0.4.14&color=blue&style=for-the-badge" />
+  <a href="https://github.com/open-feature/js-sdk/releases/tag/web-sdk-v0.4.15">
+    <img alt="Release" src="https://img.shields.io/static/v1?label=release&message=v0.4.15&color=blue&style=for-the-badge" />
   </a>
@@ -23,0 +23,0 @@ <!-- x-release-please-end -->

No alert changes

Worsened metrics

Total package byte prevSize

218814

decreased by-12.3%

Lines of code

1953

decreased by-12.77%

No dependency changes