mjolnir.js - npm Package Compare versions

Comparing version 2.1.2 to 2.2.0-beta.1

CHANGELOG.md

 # Change Log
 
+#### [2.3.0] - Aug 2, 2019
+
+- Use ocular-dev-tools (#43)
+- Add EventManager.once (#46)
+
 #### [2.2.2] - June 5, 2019
+
 - Fix undefind userAgent (#40)
 
 #### [2.1.1] - Jun 3, 2019
+
 - fix bug where tap threshold is not working (#36)
 
 #### [2.1.0] - Feb 20, 2019
+
 - add anyclick event (#32)
 
 #### [2.0.3] - Jan 8, 2018
+
 - Remove passive event listener warning in Chrome (#31)
 
 #### [2.0.2] - Dec 18, 2018
+
 - Avoid crash if imported in a web worker (#29)
 
 #### [2.0.1] - Nov 9, 2018
+
 - add support for pointerover, pointerout events (#25)
@@ -23,8 +34,11 @@ - fix node 9+ support (#27)
 #### [2.0.0] - Oct 31, 2018
+
 - Deprecate `legacyBlockScroll` and `rightButton` options
 
 #### [2.0.0-alpha.3] - Sep 26, 2018
--  Add `event.stopImmediatePropagation` (#26)
 
+- Add `event.stopImmediatePropagation` (#26)
+
 #### [2.0.0-alpha.2] - Sep 24, 2018
+
 - Refactor event handling (#23)
@@ -34,8 +48,11 @@ - Fix dblclick delay (#24)
 #### [2.0.0-alpha.1] - Sep 24, 2018
+
 - NEW: Provide static browser/node targets (#22)
 
 #### [1.2.2] - Sep 12, 2018
+
 - FIX: Remove commonjs to fix the problem with cjs/esm interop (#20)
 
 #### [1.2.0] - Jun 13, 2018
+
 - NEW: A new option `touchAction` to EventManager that allows users to customize browser touch actions
@@ -45,5 +62,7 @@ - NEW: Supports new event `contextmenu`
 #### [1.1.0] - Apr 18, 2018
+
 - NEW: A new option `legacyBlockScroll` to EventManager that allows users to restore the default scroll behavior on wheel events
 
 #### [1.0.1] - Jan 29, 2018
+
 - FIX: Missing `dist-es6` in package
@@ -54,11 +73,15 @@
 #### [1.0.0-alpha.2] - Dec 9, 2017
+
 - FIX: EventManager.destroy throws error if element is empty (#9)
 
 #### [1.0.0-alpha.1] - Dec 4, 2017
-- NEW: Make DOM element optional in EventManager constructor  (#8)
 
+- NEW: Make DOM element optional in EventManager constructor (#8)
+
 #### [0.4.1] - Nov 9, 2017
+
 - FIX: test failure under Node
 
 #### [0.4.0] - Oct 13, 2017
+
 - Only fire keyboard events within the target element (#4)
@@ -68,2 +91,3 @@ - Add flags for mouse buttons to event object (#5)
 #### [0.3.0] - Oct 12, 2017
+
 - Support right mouse button gestures (#2)
@@ -73,2 +97,3 @@ - Block click event if double clicking (#3)
 #### [0.2.0] - Oct 5, 2017
+
 - Add propagation system (#1)

dist/esm/constants.js

@@ -1,23 +0,2 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-import Hammer from './utils/hammer'; // This module contains constants that must be conditionally required
-// due to `window`/`document` references downstream.
-
+import Hammer from './utils/hammer';
 export var RECOGNIZERS = Hammer ? [[Hammer.Rotate, {
@@ -38,4 +17,3 @@ enable: false
   enable: false
-}], // TODO - rename to 'tap' and 'singletap' in the next major release
-[Hammer.Tap, {
+}], [Hammer.Tap, {
   event: 'anytap',
@@ -45,4 +23,3 @@ enable: false
   enable: false
-}]] : null; // Recognize the following gestures even if a given recognizer succeeds
-
+}]] : null;
 export var RECOGNIZER_COMPATIBLE_MAP = {
@@ -53,15 +30,6 @@ rotate: ['pinch'],
   anytap: ['tap']
-}; // Recognize the folling gestures only if a given recognizer fails
-
+};
 export var RECOGNIZER_FALLBACK_MAP = {
   doubletap: ['tap']
 };
-/**
- * Only one set of basic input events will be fired by Hammer.js:
- * either pointer, touch, or mouse, depending on system support.
- * In order to enable an application to be agnostic of system support,
- * alias basic input events into "classes" of events: down, move, and up.
- * See `_onBasicInput()` for usage of these aliases.
- */
-
 export var BASIC_EVENT_ALIASES = {
@@ -81,14 +49,4 @@ pointerdown: 'pointerdown',
   MOUSE_EVENTS: ['mousedown', 'mousemove', 'mouseup', 'mouseover', 'mouseout', 'mouseleave'],
-  WHEEL_EVENTS: [// Chrome, Safari
-  'wheel', // IE
-  'mousewheel', // legacy Firefox
-  'DOMMouseScroll']
+  WHEEL_EVENTS: ['wheel', 'mousewheel', 'DOMMouseScroll']
 };
-/**
- * "Gestural" events are those that have semantic meaning beyond the basic input event,
- * e.g. a click or tap is a sequence of `down` and `up` events with no `move` event in between.
- * Hammer.js handles these with its Recognizer system;
- * this block maps event names to the Recognizers required to detect the events.
- */
-
 export var EVENT_RECOGNIZER_MAP = {
@@ -126,8 +84,2 @@ tap: 'tap',
 };
-/**
- * Map gestural events typically provided by browsers
- * that are not reported in 'hammer.input' events
- * to corresponding Hammer.js gestures.
- */
-
 export var GESTURE_EVENT_ALIASES = {
@@ -143,2 +95,3 @@ click: 'tap',
   mouseleave: 'pointerleave'
-};
+};
+//# sourceMappingURL=constants.js.map

dist/esm/event-manager.js

 import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
 import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
 import _createClass from "@babel/runtime/helpers/esm/createClass";
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
 import Hammer from './utils/hammer';
@@ -32,20 +13,10 @@ import HammerManagerMock from './utils/hammer-manager-mock';
 var DEFAULT_OPTIONS = {
-  // event handlers
   events: null,
-  // custom recognizers
   recognizers: null,
   recognizerOptions: {},
-  // Manager class
   Manager: Hammer ? Hammer.Manager : HammerManagerMock,
-  // allow browser default touch action
-  // https://github.com/uber/react-map-gl/issues/506
   touchAction: 'none'
-}; // Unified API for subscribing to events about both
-// basic input events (e.g. 'mousemove', 'touchstart', 'wheel')
-// and gestural input (e.g. 'click', 'tap', 'panstart').
-// Delegates gesture related event registration and handling to Hammer.js.
+};
 
-var EventManager =
-/*#__PURE__*/
-function () {
+var EventManager = function () {
   function EventManager() {
@@ -61,4 +32,3 @@ var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
     this._onOtherEvent = this._onOtherEvent.bind(this);
-    this.setElement(element); // Register all passed events.
-
+    this.setElement(element);
     var events = options.events;
@@ -77,3 +47,2 @@
       if (this.element) {
-        // unregister all events
         this.destroy();
@@ -96,4 +65,2 @@ }
       if (!options.recognizers) {
-        // Set default recognize withs
-        // http://hammerjs.github.io/recognize-with/
         Object.keys(RECOGNIZER_COMPATIBLE_MAP).forEach(function (name) {
@@ -108,5 +75,4 @@ var recognizer = _this.manager.get(name);
         });
-      } // Set recognizer options
+      }
 
-
       for (var recognizerName in options.recognizerOptions) {
@@ -116,12 +82,8 @@ var recognizer = this.manager.get(recognizerName);
         if (recognizer) {
-          var recognizerOption = options.recognizerOptions[recognizerName]; // `enable` is managed by the event registrations
-
+          var recognizerOption = options.recognizerOptions[recognizerName];
           delete recognizerOption.enable;
           recognizer.set(recognizerOption);
         }
-      } // Handle events not handled by Hammer.js:
-      // - mouse wheel
-      // - pointer/touch/mouse move
+      }
 
-
       this.wheelInput = new WheelInput(element, this._onOtherEvent, {
@@ -138,4 +100,3 @@ enable: false
         enable: false
-      }); // Register all existing events
-
+      });
       var _iteratorNormalCompletion = true;
@@ -152,3 +113,2 @@ var _didIteratorError = false;
           if (!eventRegistrar.isEmpty()) {
-            // Enable recognizer for this event.
             this._toggleRecognizer(eventRegistrar.recognizerName, true);
@@ -164,4 +124,4 @@
         try {
-          if (!_iteratorNormalCompletion && _iterator.return != null) {
-            _iterator.return();
+          if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+            _iterator["return"]();
           }
@@ -174,4 +134,3 @@ } finally {
       }
-    } // Tear down internal event management implementations.
-
+    }
   }, {
@@ -181,4 +140,2 @@ key: "destroy",
       if (this.element) {
-        // wheelInput etc. are created in setElement() and therefore
-        // cannot exist if there is no element
         this.wheelInput.destroy();
@@ -196,39 +153,18 @@ this.moveInput.destroy();
       }
-    } // Register an event handler function to be called on `event`.
-
+    }
   }, {
     key: "on",
     value: function on(event, handler, srcElement) {
-      if (typeof event === 'string') {
-        this._addEventHandler(event, handler, srcElement);
-      } else {
-        srcElement = handler; // If `event` is a map, call `on()` for each entry.
-
-        for (var eventName in event) {
-          this._addEventHandler(eventName, event[eventName], srcElement);
-        }
-      }
+      this._addEventHandler(event, handler, srcElement, false);
     }
-    /**
-     * Deregister a previously-registered event handler.
-     * @param {string|Object} event   An event name (String) or map of event names to handlers
-     * @param {Function} [handler]    The function to be called on `event`.
-     */
-
   }, {
+    key: "once",
+    value: function once(event, handler, srcElement) {
+      this._addEventHandler(event, handler, srcElement, true);
+    }
+  }, {
     key: "off",
     value: function off(event, handler) {
-      if (typeof event === 'string') {
-        this._removeEventHandler(event, handler);
-      } else {
-        // If `event` is a map, call `off()` for each entry.
-        for (var eventName in event) {
-          this._removeEventHandler(eventName, event[eventName]);
-        }
-      }
+      this._removeEventHandler(event, handler);
     }
-    /*
-     * Enable/disable recognizer for the given event
-     */
-
   }, {
@@ -252,4 +188,2 @@ key: "_toggleRecognizer",
         if (fallbackRecognizers && !this.options.recognizers) {
-          // Set default require failures
-          // http://hammerjs.github.io/require-failure/
           fallbackRecognizers.forEach(function (otherName) {
@@ -259,15 +193,5 @@ var otherRecognizer = manager.get(otherName);
             if (enabled) {
-              // Wait for this recognizer to fail
               otherRecognizer.requireFailure(name);
-              /**
-               * This seems to be a bug in hammerjs:
-               * requireFailure() adds both ways
-               * dropRequireFailure() only drops one way
-               * https://github.com/hammerjs/hammer.js/blob/master/src/recognizerjs/
-                 recognizer-constructor.js#L136
-               */
-
               recognizer.dropRequireFailure(otherName);
             } else {
-              // Do not wait for this recognizer to fail
               otherRecognizer.dropRequireFailure(name);
@@ -284,12 +208,17 @@ }
     }
-    /**
-     * Process the event registration for a single event + handler.
-     */
-
   }, {
     key: "_addEventHandler",
-    value: function _addEventHandler(event, handler, srcElement) {
+    value: function _addEventHandler(event, handler, srcElement, once) {
+      if (typeof event !== 'string') {
+        srcElement = handler;
+
+        for (var eventName in event) {
+          this._addEventHandler(eventName, event[eventName], srcElement, once);
+        }
+
+        return;
+      }
+
       var manager = this.manager,
-          events = this.events; // Alias to a recognized gesture as necessary.
-
+          events = this.events;
       var eventAlias = GESTURE_EVENT_ALIASES[event] || event;
@@ -300,6 +229,5 @@ var eventRegistrar = events.get(eventAlias);
         eventRegistrar = new EventRegistrar(this);
-        events.set(eventAlias, eventRegistrar); // Enable recognizer for this event.
+        events.set(eventAlias, eventRegistrar);
+        eventRegistrar.recognizerName = EVENT_RECOGNIZER_MAP[eventAlias] || eventAlias;
 
-        eventRegistrar.recognizerName = EVENT_RECOGNIZER_MAP[eventAlias] || eventAlias; // Listen to the event
-
         if (manager) {
@@ -312,13 +240,16 @@ manager.on(eventAlias, eventRegistrar.handleEvent);
 
-      eventRegistrar.add(event, handler, srcElement);
+      eventRegistrar.add(event, handler, srcElement, once);
     }
-    /**
-     * Process the event deregistration for a single event + handler.
-     */
-
   }, {
     key: "_removeEventHandler",
     value: function _removeEventHandler(event, handler) {
-      var events = this.events; // Alias to a recognized gesture as necessary.
+      if (typeof event !== 'string') {
+        for (var eventName in event) {
+          this._removeEventHandler(eventName, event[eventName]);
+        }
 
+        return;
+      }
+
+      var events = this.events;
       var eventAlias = GESTURE_EVENT_ALIASES[event] || event;
@@ -334,4 +265,3 @@ var eventRegistrar = events.get(eventAlias);
       if (eventRegistrar.isEmpty()) {
-        var recognizerName = eventRegistrar.recognizerName; // Disable recognizer if no more handlers are attached to its events
-
+        var recognizerName = eventRegistrar.recognizerName;
         var isRecognizerUsed = false;
@@ -356,4 +286,4 @@ var _iteratorNormalCompletion2 = true;
           try {
-            if (!_iteratorNormalCompletion2 && _iterator2.return != null) {
-              _iterator2.return();
+            if (!_iteratorNormalCompletion2 && _iterator2["return"] != null) {
+              _iterator2["return"]();
             }
@@ -372,10 +302,2 @@ } finally {
     }
-    /**
-     * Handle basic events using the 'hammer.input' Hammer.js API:
-     * Before running Recognizers, Hammer emits a 'hammer.input' event
-     * with the basic event info. This function emits all basic events
-     * aliased to the "class" of event received.
-     * See constants.BASIC_EVENT_CLASSES basic event class definitions.
-     */
-
   }, {
@@ -388,15 +310,8 @@ key: "_onBasicInput",
       if (alias) {
-        // fire all events aliased to srcEvent.type
         this.manager.emit(alias, event);
       }
     }
-    /**
-     * Handle events not supported by Hammer.js,
-     * and pipe back out through same (Hammer) channel used by other events.
-     */
-
   }, {
     key: "_onOtherEvent",
     value: function _onOtherEvent(event) {
-      // console.log('onotherevent', event.type, event)
       this.manager.emit(event.type, event);
@@ -409,2 +324,3 @@ }
 
-export { EventManager as default };
+export { EventManager as default };
+//# sourceMappingURL=event-manager.js.map

dist/esm/index.js

@@ -1,20 +0,2 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-export { default as EventManager } from './event-manager';
+export { default as EventManager } from './event-manager';
+//# sourceMappingURL=index.js.map

dist/esm/inputs/contextmenu-input.js

 import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
 import _createClass from "@babel/runtime/helpers/esm/createClass";
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
 var EVENT_TYPE = 'contextmenu';
 
-var ContextmenuInput =
-/*#__PURE__*/
-function () {
+var ContextmenuInput = function () {
   function ContextmenuInput(element, callback) {
@@ -46,7 +25,2 @@ var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
     }
-    /**
-     * Enable this input (begin processing events)
-     * if the specified event type is among those handled by this input.
-     */
-
   }, {
@@ -82,2 +56,3 @@ key: "enableEventType",
 
-export { ContextmenuInput as default };
+export { ContextmenuInput as default };
+//# sourceMappingURL=contextmenu-input.js.map

dist/esm/inputs/key-input.js

 import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
 import _createClass from "@babel/runtime/helpers/esm/createClass";
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
 import { INPUT_EVENT_TYPES } from '../constants';
@@ -27,5 +8,3 @@ var KEY_EVENTS = INPUT_EVENT_TYPES.KEY_EVENTS;
 
-var KeyInput =
-/*#__PURE__*/
-function () {
+var KeyInput = function () {
   function KeyInput(element, callback) {
@@ -63,7 +42,2 @@ var _this = this;
     }
-    /**
-     * Enable this input (begin processing events)
-     * if the specified event type is among those handled by this input.
-     */
-
   }, {
@@ -83,3 +57,2 @@ key: "enableEventType",
     value: function handleEvent(event) {
-      // Ignore if focused on text input
       var targetElement = event.target || event.srcElement;
@@ -114,2 +87,3 @@
 
-export { KeyInput as default };
+export { KeyInput as default };
+//# sourceMappingURL=key-input.js.map

dist/esm/inputs/move-input.js

 import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
 import _createClass from "@babel/runtime/helpers/esm/createClass";
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
 import { INPUT_EVENT_TYPES } from '../constants';
@@ -28,14 +9,4 @@ var MOUSE_EVENTS = INPUT_EVENT_TYPES.MOUSE_EVENTS;
 var LEAVE_EVENT_TYPE = 'pointerleave';
-/**
- * Hammer.js swallows 'move' events (for pointer/touch/mouse)
- * when the pointer is not down. This class sets up a handler
- * specifically for these events to work around this limitation.
- * Note that this could be extended to more intelligently handle
- * move events across input types, e.g. storing multiple simultaneous
- * pointer/touch events, calculating speed/direction, etc.
- */
 
-var MoveInput =
-/*#__PURE__*/
-function () {
+var MoveInput = function () {
   function MoveInput(element, callback) {
@@ -74,7 +45,2 @@ var _this = this;
     }
-    /**
-     * Enable this input (begin processing events)
-     * if the specified event type is among those handled by this input.
-     */
-
   }, {
@@ -156,3 +122,2 @@ key: "enableEventType",
             if (event.button >= 0) {
-              // Button is down
               this.pressed = true;
@@ -164,5 +129,3 @@ }
           case 'mousemove':
-            // Move events use `which` to track the button being pressed
             if (event.which === 0) {
-              // Button is not down
               this.pressed = false;
@@ -172,4 +135,2 @@ }
             if (!this.pressed) {
-              // Drag events are emitted by hammer already
-              // we just need to emit the move event on hover
               this.callback({
@@ -198,2 +159,3 @@ type: MOVE_EVENT_TYPE,
 
-export { MoveInput as default };
+export { MoveInput as default };
+//# sourceMappingURL=move-input.js.map

dist/esm/inputs/wheel-input.js

 import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
 import _createClass from "@babel/runtime/helpers/esm/createClass";
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
 import { INPUT_EVENT_TYPES } from '../constants';
@@ -26,12 +7,8 @@ import { window, userAgent, passiveSupported } from '../utils/globals';
 var WHEEL_EVENTS = INPUT_EVENT_TYPES.WHEEL_EVENTS;
-var EVENT_TYPE = 'wheel'; // Constants for normalizing input delta
-
+var EVENT_TYPE = 'wheel';
 var WHEEL_DELTA_MAGIC_SCALER = 4.000244140625;
-var WHEEL_DELTA_PER_LINE = 40; // Slow down zoom if shift key is held for more precise zooming
-
+var WHEEL_DELTA_PER_LINE = 40;
 var SHIFT_MULTIPLIER = 0.25;
 
-var WheelInput =
-/*#__PURE__*/
-function () {
+var WheelInput = function () {
   function WheelInput(element, callback) {
@@ -67,7 +44,2 @@ var _this = this;
     }
-    /**
-     * Enable this input (begin processing events)
-     * if the specified event type is among those handled by this input.
-     */
-
   }, {
@@ -80,4 +52,2 @@ key: "enableEventType",
     }
-    /* eslint-disable complexity, max-statements */
-
   }, {
@@ -93,3 +63,2 @@ key: "handleEvent",
       if (window.WheelEvent) {
-        // Firefox doubles the values on retina screens...
         if (firefox && event.deltaMode === window.WheelEvent.DOM_DELTA_PIXEL) {
@@ -110,4 +79,2 @@ value /= window.devicePixelRatio;
       if (value !== 0 && value % WHEEL_DELTA_MAGIC_SCALER === 0) {
-        // This one is definitely a mouse wheel event.
-        // Normalize this value to match trackpad.
         value = Math.floor(value / WHEEL_DELTA_MAGIC_SCALER);
@@ -139,2 +106,3 @@ }
 
-export { WheelInput as default };
+export { WheelInput as default };
+//# sourceMappingURL=wheel-input.js.map

dist/esm/utils/event-registrar.js

@@ -5,5 +5,3 @@ import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
 
-var EventRegistrar =
-/*#__PURE__*/
-function () {
+var EventRegistrar = function () {
   function EventRegistrar(eventManager) {
@@ -13,4 +11,3 @@ _classCallCheck(this, EventRegistrar);
     this.eventManager = eventManager;
-    this.handlers = []; // Element -> handler map
-
+    this.handlers = [];
     this.handlersByElement = new Map();
@@ -29,2 +26,3 @@ this.handleEvent = this.handleEvent.bind(this);
       var srcElement = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'root';
+      var once = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
       var handlers = this.handlers,
@@ -40,3 +38,4 @@ handlersByElement = this.handlersByElement;
         handler: handler,
-        srcElement: srcElement
+        srcElement: srcElement,
+        once: once
       };
@@ -61,3 +60,3 @@ handlers.push(entry);
           if (entries.length === 0) {
-            handlersByElement.delete(entry.srcElement);
+            handlersByElement["delete"](entry.srcElement);
           }
@@ -67,6 +66,2 @@ }
     }
-    /**
-     * Handles hammerjs event
-     */
-
   }, {
@@ -95,6 +90,2 @@ key: "handleEvent",
     }
-    /**
-     * Invoke handlers on a particular element
-     */
-
   }, {
@@ -106,9 +97,8 @@ key: "_emit",
       if (entries) {
-        var immediatePropagationStopped = false; // Prevents the current event from bubbling up
+        var immediatePropagationStopped = false;
 
         var stopPropagation = function stopPropagation() {
           event.handled = true;
-        }; // Prevent any remaining listeners from being called
+        };
 
-
         var stopImmediatePropagation = function stopImmediatePropagation() {
@@ -119,6 +109,9 @@ event.handled = true;
 
+        var entriesToRemove = [];
+
         for (var i = 0; i < entries.length; i++) {
           var _entries$i = entries[i],
               type = _entries$i.type,
-              handler = _entries$i.handler;
+              handler = _entries$i.handler,
+              once = _entries$i.once;
           handler(Object.assign({}, event, {
@@ -130,2 +123,6 @@ type: type,
 
+          if (once) {
+            entriesToRemove.push(entries[i]);
+          }
+
           if (immediatePropagationStopped) {
@@ -135,8 +132,11 @@ break;
         }
+
+        for (var _i = 0; _i < entriesToRemove.length; _i++) {
+          var _entriesToRemove$_i = entriesToRemove[_i],
+              type = _entriesToRemove$_i.type,
+              handler = _entriesToRemove$_i.handler;
+          this.remove(type, handler);
+        }
       }
     }
-    /**
-     * Normalizes hammerjs and custom events to have predictable fields.
-     */
-
   }, {
@@ -156,2 +156,3 @@ key: "_normalizeEvent",
 
-export { EventRegistrar as default };
+export { EventRegistrar as default };
+//# sourceMappingURL=event-registrar.js.map

dist/esm/utils/event-utils.js

@@ -1,2 +0,1 @@
-/* Constants */
 var DOWN_EVENT = 1;
@@ -12,19 +11,12 @@ var MOVE_EVENT = 2;
   mouseup: UP_EVENT
-}; // MouseEvent.which https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/which
-
+};
 var MOUSE_EVENT_WHICH_LEFT = 1;
 var MOUSE_EVENT_WHICH_MIDDLE = 2;
-var MOUSE_EVENT_WHICH_RIGHT = 3; // MouseEvent.button https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/button
-
+var MOUSE_EVENT_WHICH_RIGHT = 3;
 var MOUSE_EVENT_BUTTON_LEFT = 0;
 var MOUSE_EVENT_BUTTON_MIDDLE = 1;
-var MOUSE_EVENT_BUTTON_RIGHT = 2; // MouseEvent.buttons https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons
-
+var MOUSE_EVENT_BUTTON_RIGHT = 2;
 var MOUSE_EVENT_BUTTONS_LEFT_MASK = 1;
 var MOUSE_EVENT_BUTTONS_RIGHT_MASK = 2;
 var MOUSE_EVENT_BUTTONS_MIDDLE_MASK = 4;
-/**
- * Extract the involved mouse button
- */
-
 export function whichButtons(event) {
@@ -34,3 +26,2 @@ var eventType = MOUSE_EVENTS[event.srcEvent.type];
   if (!eventType) {
-    // Not a mouse evet
     return null;
@@ -47,5 +38,3 @@ }
 
-  if ( // button is up, need to find out which one was pressed before
-  eventType === UP_EVENT || // moving but does not support `buttons` API
-  eventType === MOVE_EVENT && !Number.isFinite(buttons)) {
+  if (eventType === UP_EVENT || eventType === MOVE_EVENT && !Number.isFinite(buttons)) {
     leftButton = which === MOUSE_EVENT_WHICH_LEFT;
@@ -70,11 +59,6 @@ middleButton = which === MOUSE_EVENT_WHICH_MIDDLE;
 }
-/**
- * Calculate event position relative to the root element
- */
-
 export function getOffsetPosition(event, rootElement) {
-  var srcEvent = event.srcEvent; // `center` is a hammer.js event property
+  var srcEvent = event.srcEvent;
 
   if (!event.center && !Number.isFinite(srcEvent.clientX)) {
-    // Not a gestural event
     return null;
@@ -87,8 +71,5 @@ }
   };
-  var rect = rootElement.getBoundingClientRect(); // Fix scale for map affected by a CSS transform.
-  // See https://stackoverflow.com/a/26893663/3528533
-
+  var rect = rootElement.getBoundingClientRect();
   var scaleX = rect.width / rootElement.offsetWidth;
-  var scaleY = rect.height / rootElement.offsetHeight; // Calculate center relative to the root element
-
+  var scaleY = rect.height / rootElement.offsetHeight;
   var offsetCenter = {
@@ -102,2 +83,3 @@ x: (center.x - rect.left - rootElement.clientLeft) / scaleX,
   };
-}
+}
+//# sourceMappingURL=event-utils.js.map

dist/esm/utils/globals.js

@@ -1,43 +0,1 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-// Purpose: include this in your module to avoids adding dependencies on
-// micro modules like 'global'
-
-/* global window, global, document, navigator */
 export var userAgent = typeof navigator !== 'undefined' && navigator.userAgent ? navigator.userAgent.toLowerCase() : '';
@@ -48,17 +6,9 @@ var window_ = typeof window !== 'undefined' ? window : global;
 export { window_ as window, global_ as global, document_ as document };
-/*
- * Detect whether passive option is supported by the current browser.
- * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener
-   #Safely_detecting_option_support
- */
-
 var passiveSupported = false;
-/* eslint-disable accessor-pairs, no-empty */
 
 try {
   var options = {
-    // This function will be called when the browser
-    // attempts to access the passive property.
     get passive() {
       passiveSupported = true;
+      return true;
     }
@@ -71,2 +21,3 @@
 
-export { passiveSupported };
+export { passiveSupported };
+//# sourceMappingURL=globals.js.map

dist/esm/utils/hammer-manager-mock.js

@@ -1,2 +0,1 @@
-// Hammer.Manager mock for use in environments without `document` / `window`.
 export default function HammerManagerMock(m) {
@@ -19,2 +18,3 @@ var instance = {};
   return instance;
-}
+}
+//# sourceMappingURL=hammer-manager-mock.js.map

dist/esm/utils/hammer-overrides.js

@@ -1,7 +0,1 @@
-/**
- * This file contains overrides the default
- * hammer.js functions to add our own utility
- */
-
-/* Hammer.js constants */
 var INPUT_START = 1;
@@ -15,8 +9,2 @@ var INPUT_MOVE = 2;
 };
-/**
- * Helper function that returns true if any element in an array meets given criteria.
- * Because older browsers do not support `Array.prototype.some`
- * @params array {Array}
- * @params predict {Function}
- */
 
@@ -32,10 +20,8 @@ function some(array, predict) {
 }
-/* eslint-disable no-invalid-this */
 
-
 export function enhancePointerEventInput(PointerEventInput) {
-  var oldHandler = PointerEventInput.prototype.handler; // overrides PointerEventInput.handler to accept right mouse button
+  var oldHandler = PointerEventInput.prototype.handler;
 
   PointerEventInput.prototype.handler = function handler(ev) {
-    var store = this.store; // Allow non-left mouse buttons through
+    var store = this.store;
 
@@ -52,7 +38,6 @@ if (ev.button > 0) {
   };
-} // overrides MouseInput.handler to accept right mouse button
-
+}
 export function enhanceMouseInput(MouseInput) {
   MouseInput.prototype.handler = function handler(ev) {
-    var eventType = MOUSE_INPUT_MAP[ev.type]; // on start we want to have the mouse button down
+    var eventType = MOUSE_INPUT_MAP[ev.type];
 
@@ -65,5 +50,4 @@ if (eventType & INPUT_START && ev.button >= 0) {
       eventType = INPUT_END;
-    } // mouse must be down
+    }
 
-
     if (!this.pressed) {
@@ -84,2 +68,3 @@ return;
   };
-}
+}
+//# sourceMappingURL=hammer-overrides.js.map

dist/esm/utils/hammer.browser.js

@@ -1,20 +0,1 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
 import { enhancePointerEventInput, enhanceMouseInput } from './hammer-overrides';
@@ -24,3 +5,2 @@ var hammerjs = null;
 if (typeof document !== 'undefined') {
-  // Avoid crash if imported in a web worker
   hammerjs = require('hammerjs');
@@ -31,2 +11,3 @@ enhancePointerEventInput(hammerjs.PointerEventInput);
 
-export default hammerjs;
+export default hammerjs;
+//# sourceMappingURL=hammer.browser.js.map

dist/esm/utils/hammer.js

@@ -1,22 +0,2 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-// This is replaced with hammer.browser.js when bundled in a browser environment
-// See `browser` field in package.json
-export default null;
+export default null;
+//# sourceMappingURL=hammer.js.map

package.json

 {
   "name": "mjolnir.js",
   "description": "An Event Manager",
-  "version": "2.1.2",
+  "version": "2.2.0-beta.1",
   "keywords": [
@@ -18,6 +18,9 @@ "hammerjs",
   "license": "MIT",
-  "main": "dist/cjs/index.js",
+  "main": "dist/es5/index.js",
   "module": "dist/esm/index.js",
+  "esnext": "dist/es6/index.js",
   "browser": {
-    "./dist/cjs/utils/hammer.js": "./dist/cjs/utils/hammer.browser.js",
+    "./src/utils/hammer.js": "./src/utils/hammer.browser.js",
+    "./dist/es5/utils/hammer.js": "./dist/es5/utils/hammer.browser.js",
+    "./dist/es6/utils/hammer.js": "./dist/es6/utils/hammer.browser.js",
     "./dist/esm/utils/hammer.js": "./dist/esm/utils/hammer.browser.js"
@@ -30,11 +33,12 @@ },
   "scripts": {
+    "bootstrap": "PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true yarn && ocular-bootstrap",
     "start": "(cd examples/main && (path-exists node_modules || npm i) && npm run start-local)",
-    "build": "npm run clean && npm run build-cjs && npm run build-esm",
-    "build-cjs": "mkdir -p dist/cjs && NODE_ENV=cjs babel src --out-dir dist/cjs",
-    "build-esm": "mkdir -p dist/esm && NODE_ENV=esm babel src --out-dir dist/esm",
-    "clean": "rm -fr dist/*",
-    "lint": "eslint src examples test",
-    "test": "npm run lint && node test/node.js",
-    "publish-prod": "npm run build && npm run test && npm publish",
-    "publish-beta": "npm run build && npm run test && npm publish --tag beta"
+    "build": "ocular-clean && ocular-build",
+    "lint": "ocular-lint",
+    "cover:node": "nyc --silent ocular-test node",
+    "cover:browser": "MOCK_BROWSER=true nyc --silent --no-clean ocular-test node",
+    "cover": "npm run cover:node && npm run cover:browser && nyc report --reporter=lcov",
+    "publish-prod": "ocular-publish prod",
+    "publish-beta": "ocular-publish beta",
+    "test": "ocular-test"
   },
@@ -49,19 +53,9 @@ "pre-commit": [
   "devDependencies": {
-    "@babel/cli": "^7.1.5",
-    "@babel/core": "^7.1.5",
-    "@babel/plugin-transform-runtime": "^7.1.0",
-    "@babel/preset-env": "^7.1.5",
-    "babel-eslint": "^9.0.0",
-    "eslint": "^5.5.0",
-    "eslint-config-uber-es2015": "^3.0.0",
     "eslint-config-uber-jsx": "^3.0.0",
     "eslint-plugin-react": "~7.11.1",
-    "module-alias": "^2.0.0",
+    "coveralls": "^3.0.0",
+    "ocular-dev-tools": "0.0.27",
+    "jsdom": "^15.0.0",
     "pre-commit": "^1.2.2",
-    "reify": "^0.4.4",
-    "tap-browser-color": "^0.1.2",
-    "tape": "^4.5.1",
-    "tape-catch": "^1.0.4",
-    "webpack": "^2.4.0",
-    "webpack-dev-server": "^3.1.11"
+    "reify": "^0.18.1"
   },
@@ -68,0 +62,0 @@ "engines": {

src/constants.js

@@ -25,13 +25,15 @@ // Copyright (c) 2017 Uber Technologies, Inc.
 // due to `window`/`document` references downstream.
-export const RECOGNIZERS = Hammer ? [
-  [Hammer.Rotate, {enable: false}],
-  [Hammer.Pinch, {enable: false}],
-  [Hammer.Swipe, {enable: false}],
-  [Hammer.Pan, {threshold: 0, enable: false}],
-  [Hammer.Press, {enable: false}],
-  [Hammer.Tap, {event: 'doubletap', taps: 2, enable: false}],
-  // TODO - rename to 'tap' and 'singletap' in the next major release
-  [Hammer.Tap, {event: 'anytap', enable: false}],
-  [Hammer.Tap, {enable: false}]
-] : null;
+export const RECOGNIZERS = Hammer
+  ? [
+      [Hammer.Rotate, {enable: false}],
+      [Hammer.Pinch, {enable: false}],
+      [Hammer.Swipe, {enable: false}],
+      [Hammer.Pan, {threshold: 0, enable: false}],
+      [Hammer.Press, {enable: false}],
+      [Hammer.Tap, {event: 'doubletap', taps: 2, enable: false}],
+      // TODO - rename to 'tap' and 'singletap' in the next major release
+      [Hammer.Tap, {event: 'anytap', enable: false}],
+      [Hammer.Tap, {enable: false}]
+    ]
+  : null;
 
@@ -71,14 +73,4 @@ // Recognize the following gestures even if a given recognizer succeeds
 export const INPUT_EVENT_TYPES = {
-  KEY_EVENTS: [
-    'keydown',
-    'keyup'
-  ],
-  MOUSE_EVENTS: [
-    'mousedown',
-    'mousemove',
-    'mouseup',
-    'mouseover',
-    'mouseout',
-    'mouseleave'
-  ],
+  KEY_EVENTS: ['keydown', 'keyup'],
+  MOUSE_EVENTS: ['mousedown', 'mousemove', 'mouseup', 'mouseover', 'mouseout', 'mouseleave'],
   WHEEL_EVENTS: [
@@ -85,0 +77,0 @@ // Chrome, Safari

src/event-manager.js

@@ -90,4 +90,3 @@ // Copyright (c) 2017 Uber Technologies, Inc.
       recognizers: options.recognizers || RECOGNIZERS
-    })
-      .on('hammer.input', this._onBasicInput);
+    }).on('hammer.input', this._onBasicInput);
 
@@ -121,6 +120,14 @@ if (!options.recognizers) {
     // - pointer/touch/mouse move
-    this.wheelInput = new WheelInput(element, this._onOtherEvent, {enable: false});
-    this.moveInput = new MoveInput(element, this._onOtherEvent, {enable: false});
-    this.keyInput = new KeyInput(element, this._onOtherEvent, {enable: false});
-    this.contextmenuInput = new ContextmenuInput(element, this._onOtherEvent, {enable: false});
+    this.wheelInput = new WheelInput(element, this._onOtherEvent, {
+      enable: false
+    });
+    this.moveInput = new MoveInput(element, this._onOtherEvent, {
+      enable: false
+    });
+    this.keyInput = new KeyInput(element, this._onOtherEvent, {
+      enable: false
+    });
+    this.contextmenuInput = new ContextmenuInput(element, this._onOtherEvent, {
+      enable: false
+    });
 
@@ -159,13 +166,10 @@ // Register all existing events
   on(event, handler, srcElement) {
-    if (typeof event === 'string') {
-      this._addEventHandler(event, handler, srcElement);
-    } else {
-      srcElement = handler;
-      // If `event` is a map, call `on()` for each entry.
-      for (const eventName in event) {
-        this._addEventHandler(eventName, event[eventName], srcElement);
-      }
-    }
+    this._addEventHandler(event, handler, srcElement, false);
   }
 
+  // Register an event handler function to be called on `event`, then remove it
+  once(event, handler, srcElement) {
+    this._addEventHandler(event, handler, srcElement, true);
+  }
+
   /**
@@ -177,10 +181,3 @@ * Deregister a previously-registered event handler.
   off(event, handler) {
-    if (typeof event === 'string') {
-      this._removeEventHandler(event, handler);
-    } else {
-      // If `event` is a map, call `off()` for each entry.
-      for (const eventName in event) {
-        this._removeEventHandler(eventName, event[eventName]);
-      }
-    }
+    this._removeEventHandler(event, handler);
   }
@@ -233,3 +230,12 @@
    */
-  _addEventHandler(event, handler, srcElement) {
+  _addEventHandler(event, handler, srcElement, once) {
+    if (typeof event !== 'string') {
+      srcElement = handler;
+      // If `event` is a map, call `on()` for each entry.
+      for (const eventName in event) {
+        this._addEventHandler(eventName, event[eventName], srcElement, once);
+      }
+      return;
+    }
+
     const {manager, events} = this;
@@ -251,3 +257,3 @@ // Alias to a recognized gesture as necessary.
     this._toggleRecognizer(eventRegistrar.recognizerName, true);
-    eventRegistrar.add(event, handler, srcElement);
+    eventRegistrar.add(event, handler, srcElement, once);
   }
@@ -259,2 +265,10 @@
   _removeEventHandler(event, handler) {
+    if (typeof event !== 'string') {
+      // If `event` is a map, call `off()` for each entry.
+      for (const eventName in event) {
+        this._removeEventHandler(eventName, event[eventName]);
+      }
+      return;
+    }
+
     const {events} = this;
@@ -261,0 +275,0 @@ // Alias to a recognized gesture as necessary.

src/inputs/contextmenu-input.js

@@ -24,3 +24,2 @@ // Copyright (c) 2017 Uber Technologies, Inc.
 export default class ContextmenuInput {
-
   constructor(element, callback, options = {}) {
@@ -27,0 +26,0 @@ this.element = element;

src/inputs/key-input.js

@@ -65,4 +65,6 @@ // Copyright (c) 2017 Uber Technologies, Inc.
     const targetElement = event.target || event.srcElement;
-    if ((targetElement.tagName === 'INPUT' && targetElement.type === 'text') ||
-      targetElement.tagName === 'TEXTAREA') {
+    if (
+      (targetElement.tagName === 'INPUT' && targetElement.type === 'text') ||
+      targetElement.tagName === 'TEXTAREA'
+    ) {
       return;
@@ -69,0 +71,0 @@ }

src/inputs/move-input.js

@@ -38,3 +38,2 @@ // Copyright (c) 2017 Uber Technologies, Inc.
 export default class MoveInput {
-
   constructor(element, callback, options = {}) {
@@ -129,29 +128,29 @@ this.element = element;
       switch (event.type) {
-      case 'mousedown':
-        if (event.button >= 0) {
-          // Button is down
-          this.pressed = true;
-        }
-        break;
-      case 'mousemove':
-      // Move events use `which` to track the button being pressed
-        if (event.which === 0) {
-          // Button is not down
+        case 'mousedown':
+          if (event.button >= 0) {
+            // Button is down
+            this.pressed = true;
+          }
+          break;
+        case 'mousemove':
+          // Move events use `which` to track the button being pressed
+          if (event.which === 0) {
+            // Button is not down
+            this.pressed = false;
+          }
+          if (!this.pressed) {
+            // Drag events are emitted by hammer already
+            // we just need to emit the move event on hover
+            this.callback({
+              type: MOVE_EVENT_TYPE,
+              srcEvent: event,
+              pointerType: 'mouse',
+              target: event.target
+            });
+          }
+          break;
+        case 'mouseup':
           this.pressed = false;
-        }
-        if (!this.pressed) {
-          // Drag events are emitted by hammer already
-          // we just need to emit the move event on hover
-          this.callback({
-            type: MOVE_EVENT_TYPE,
-            srcEvent: event,
-            pointerType: 'mouse',
-            target: event.target
-          });
-        }
-        break;
-      case 'mouseup':
-        this.pressed = false;
-        break;
-      default:
+          break;
+        default:
       }
@@ -158,0 +157,0 @@ }

src/inputs/wheel-input.js

@@ -36,3 +36,2 @@ // Copyright (c) 2017 Uber Technologies, Inc.
 export default class WheelInput {
-
   constructor(element, callback, options = {}) {
@@ -47,7 +46,5 @@ this.element = element;
     this.handleEvent = this.handleEvent.bind(this);
-    this.events.forEach(event => element.addEventListener(
-      event,
-      this.handleEvent,
-      passiveSupported ? {passive: false} : false
-    ));
+    this.events.forEach(event =>
+      element.addEventListener(event, this.handleEvent, passiveSupported ? {passive: false} : false)
+    );
   }
@@ -54,0 +51,0 @@

src/utils/event-registrar.js

@@ -17,3 +17,3 @@ import {whichButtons, getOffsetPosition} from './event-utils';
 
-  add(type, handler, srcElement = 'root') {
+  add(type, handler, srcElement = 'root', once = false) {
     const {handlers, handlersByElement} = this;
@@ -24,3 +24,3 @@
     }
-    const entry = {type, handler, srcElement};
+    const entry = {type, handler, srcElement, once};
     handlers.push(entry);
@@ -86,9 +86,16 @@ handlersByElement.get(srcElement).push(entry);
       };
+      const entriesToRemove = [];
+
       for (let i = 0; i < entries.length; i++) {
-        const {type, handler} = entries[i];
-        handler(Object.assign({}, event, {
-          type,
-          stopPropagation,
-          stopImmediatePropagation
-        }));
+        const {type, handler, once} = entries[i];
+        handler(
+          Object.assign({}, event, {
+            type,
+            stopPropagation,
+            stopImmediatePropagation
+          })
+        );
+        if (once) {
+          entriesToRemove.push(entries[i]);
+        }
         if (immediatePropagationStopped) {
@@ -98,2 +105,7 @@ break;
       }
+
+      for (let i = 0; i < entriesToRemove.length; i++) {
+        const {type, handler} = entriesToRemove[i];
+        this.remove(type, handler);
+      }
     }
@@ -108,11 +120,7 @@ }
 
-    return Object.assign({}, event,
-      whichButtons(event),
-      getOffsetPosition(event, rootElement),
-      {
-        handled: false,
-        rootElement
-      });
+    return Object.assign({}, event, whichButtons(event), getOffsetPosition(event, rootElement), {
+      handled: false,
+      rootElement
+    });
   }
-
 }

src/utils/globals.js

@@ -21,22 +21,2 @@ // Copyright (c) 2017 Uber Technologies, Inc.
 
-// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
 // Purpose: include this in your module to avoids adding dependencies on
@@ -46,4 +26,4 @@ // micro modules like 'global'
 /* global window, global, document, navigator */
-export const userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) ?
-  navigator.userAgent.toLowerCase() : '';
+export const userAgent =
+  typeof navigator !== 'undefined' && navigator.userAgent ? navigator.userAgent.toLowerCase() : '';
 
@@ -54,7 +34,3 @@ const window_ = typeof window !== 'undefined' ? window : global;
 
-export {
-  window_ as window,
-  global_ as global,
-  document_ as document
-};
+export {window_ as window, global_ as global, document_ as document};
 
@@ -75,2 +51,3 @@ /*
       passiveSupported = true;
+      return true;
     }
@@ -77,0 +54,0 @@ };

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

380735

147.5%

Dev dependency count

7

-58.82%

Number of downloads

291642

9.74%

Number of package files

103

123.91%

Lines of code

4076

3.93%

No dependency changes