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-rw-r--r--debian/tests/test_modules/event-target-shim/LICENSE22
-rw-r--r--debian/tests/test_modules/event-target-shim/dist/event-target-shim.js871
-rw-r--r--debian/tests/test_modules/event-target-shim/dist/event-target-shim.mjs862
-rw-r--r--debian/tests/test_modules/event-target-shim/index.d.ts399
-rw-r--r--debian/tests/test_modules/event-target-shim/package.json82
5 files changed, 2236 insertions, 0 deletions
diff --git a/debian/tests/test_modules/event-target-shim/LICENSE b/debian/tests/test_modules/event-target-shim/LICENSE
new file mode 100644
index 0000000..c39e694
--- /dev/null
+++ b/debian/tests/test_modules/event-target-shim/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Toru Nagashima
+
+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.
+
diff --git a/debian/tests/test_modules/event-target-shim/dist/event-target-shim.js b/debian/tests/test_modules/event-target-shim/dist/event-target-shim.js
new file mode 100644
index 0000000..53ce220
--- /dev/null
+++ b/debian/tests/test_modules/event-target-shim/dist/event-target-shim.js
@@ -0,0 +1,871 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * @copyright 2015 Toru Nagashima. All rights reserved.
+ * See LICENSE file in root directory for full license.
+ */
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+/**
+ * @typedef {object} PrivateData
+ * @property {EventTarget} eventTarget The event target.
+ * @property {{type:string}} event The original event object.
+ * @property {number} eventPhase The current event phase.
+ * @property {EventTarget|null} currentTarget The current event target.
+ * @property {boolean} canceled The flag to prevent default.
+ * @property {boolean} stopped The flag to stop propagation.
+ * @property {boolean} immediateStopped The flag to stop propagation immediately.
+ * @property {Function|null} passiveListener The listener if the current listener is passive. Otherwise this is null.
+ * @property {number} timeStamp The unix time.
+ * @private
+ */
+
+/**
+ * Private data for event wrappers.
+ * @type {WeakMap<Event, PrivateData>}
+ * @private
+ */
+const privateData = new WeakMap();
+
+/**
+ * Cache for wrapper classes.
+ * @type {WeakMap<Object, Function>}
+ * @private
+ */
+const wrappers = new WeakMap();
+
+/**
+ * Get private data.
+ * @param {Event} event The event object to get private data.
+ * @returns {PrivateData} The private data of the event.
+ * @private
+ */
+function pd(event) {
+ const retv = privateData.get(event);
+ console.assert(
+ retv != null,
+ "'this' is expected an Event object, but got",
+ event
+ );
+ return retv
+}
+
+/**
+ * https://dom.spec.whatwg.org/#set-the-canceled-flag
+ * @param data {PrivateData} private data.
+ */
+function setCancelFlag(data) {
+ if (data.passiveListener != null) {
+ if (
+ typeof console !== "undefined" &&
+ typeof console.error === "function"
+ ) {
+ console.error(
+ "Unable to preventDefault inside passive event listener invocation.",
+ data.passiveListener
+ );
+ }
+ return
+ }
+ if (!data.event.cancelable) {
+ return
+ }
+
+ data.canceled = true;
+ if (typeof data.event.preventDefault === "function") {
+ data.event.preventDefault();
+ }
+}
+
+/**
+ * @see https://dom.spec.whatwg.org/#interface-event
+ * @private
+ */
+/**
+ * The event wrapper.
+ * @constructor
+ * @param {EventTarget} eventTarget The event target of this dispatching.
+ * @param {Event|{type:string}} event The original event to wrap.
+ */
+function Event(eventTarget, event) {
+ privateData.set(this, {
+ eventTarget,
+ event,
+ eventPhase: 2,
+ currentTarget: eventTarget,
+ canceled: false,
+ stopped: false,
+ immediateStopped: false,
+ passiveListener: null,
+ timeStamp: event.timeStamp || Date.now(),
+ });
+
+ // https://heycam.github.io/webidl/#Unforgeable
+ Object.defineProperty(this, "isTrusted", { value: false, enumerable: true });
+
+ // Define accessors
+ const keys = Object.keys(event);
+ for (let i = 0; i < keys.length; ++i) {
+ const key = keys[i];
+ if (!(key in this)) {
+ Object.defineProperty(this, key, defineRedirectDescriptor(key));
+ }
+ }
+}
+
+// Should be enumerable, but class methods are not enumerable.
+Event.prototype = {
+ /**
+ * The type of this event.
+ * @type {string}
+ */
+ get type() {
+ return pd(this).event.type
+ },
+
+ /**
+ * The target of this event.
+ * @type {EventTarget}
+ */
+ get target() {
+ return pd(this).eventTarget
+ },
+
+ /**
+ * The target of this event.
+ * @type {EventTarget}
+ */
+ get currentTarget() {
+ return pd(this).currentTarget
+ },
+
+ /**
+ * @returns {EventTarget[]} The composed path of this event.
+ */
+ composedPath() {
+ const currentTarget = pd(this).currentTarget;
+ if (currentTarget == null) {
+ return []
+ }
+ return [currentTarget]
+ },
+
+ /**
+ * Constant of NONE.
+ * @type {number}
+ */
+ get NONE() {
+ return 0
+ },
+
+ /**
+ * Constant of CAPTURING_PHASE.
+ * @type {number}
+ */
+ get CAPTURING_PHASE() {
+ return 1
+ },
+
+ /**
+ * Constant of AT_TARGET.
+ * @type {number}
+ */
+ get AT_TARGET() {
+ return 2
+ },
+
+ /**
+ * Constant of BUBBLING_PHASE.
+ * @type {number}
+ */
+ get BUBBLING_PHASE() {
+ return 3
+ },
+
+ /**
+ * The target of this event.
+ * @type {number}
+ */
+ get eventPhase() {
+ return pd(this).eventPhase
+ },
+
+ /**
+ * Stop event bubbling.
+ * @returns {void}
+ */
+ stopPropagation() {
+ const data = pd(this);
+
+ data.stopped = true;
+ if (typeof data.event.stopPropagation === "function") {
+ data.event.stopPropagation();
+ }
+ },
+
+ /**
+ * Stop event bubbling.
+ * @returns {void}
+ */
+ stopImmediatePropagation() {
+ const data = pd(this);
+
+ data.stopped = true;
+ data.immediateStopped = true;
+ if (typeof data.event.stopImmediatePropagation === "function") {
+ data.event.stopImmediatePropagation();
+ }
+ },
+
+ /**
+ * The flag to be bubbling.
+ * @type {boolean}
+ */
+ get bubbles() {
+ return Boolean(pd(this).event.bubbles)
+ },
+
+ /**
+ * The flag to be cancelable.
+ * @type {boolean}
+ */
+ get cancelable() {
+ return Boolean(pd(this).event.cancelable)
+ },
+
+ /**
+ * Cancel this event.
+ * @returns {void}
+ */
+ preventDefault() {
+ setCancelFlag(pd(this));
+ },
+
+ /**
+ * The flag to indicate cancellation state.
+ * @type {boolean}
+ */
+ get defaultPrevented() {
+ return pd(this).canceled
+ },
+
+ /**
+ * The flag to be composed.
+ * @type {boolean}
+ */
+ get composed() {
+ return Boolean(pd(this).event.composed)
+ },
+
+ /**
+ * The unix time of this event.
+ * @type {number}
+ */
+ get timeStamp() {
+ return pd(this).timeStamp
+ },
+
+ /**
+ * The target of this event.
+ * @type {EventTarget}
+ * @deprecated
+ */
+ get srcElement() {
+ return pd(this).eventTarget
+ },
+
+ /**
+ * The flag to stop event bubbling.
+ * @type {boolean}
+ * @deprecated
+ */
+ get cancelBubble() {
+ return pd(this).stopped
+ },
+ set cancelBubble(value) {
+ if (!value) {
+ return
+ }
+ const data = pd(this);
+
+ data.stopped = true;
+ if (typeof data.event.cancelBubble === "boolean") {
+ data.event.cancelBubble = true;
+ }
+ },
+
+ /**
+ * The flag to indicate cancellation state.
+ * @type {boolean}
+ * @deprecated
+ */
+ get returnValue() {
+ return !pd(this).canceled
+ },
+ set returnValue(value) {
+ if (!value) {
+ setCancelFlag(pd(this));
+ }
+ },
+
+ /**
+ * Initialize this event object. But do nothing under event dispatching.
+ * @param {string} type The event type.
+ * @param {boolean} [bubbles=false] The flag to be possible to bubble up.
+ * @param {boolean} [cancelable=false] The flag to be possible to cancel.
+ * @deprecated
+ */
+ initEvent() {
+ // Do nothing.
+ },
+};
+
+// `constructor` is not enumerable.
+Object.defineProperty(Event.prototype, "constructor", {
+ value: Event,
+ configurable: true,
+ writable: true,
+});
+
+// Ensure `event instanceof window.Event` is `true`.
+if (typeof window !== "undefined" && typeof window.Event !== "undefined") {
+ Object.setPrototypeOf(Event.prototype, window.Event.prototype);
+
+ // Make association for wrappers.
+ wrappers.set(window.Event.prototype, Event);
+}
+
+/**
+ * Get the property descriptor to redirect a given property.
+ * @param {string} key Property name to define property descriptor.
+ * @returns {PropertyDescriptor} The property descriptor to redirect the property.
+ * @private
+ */
+function defineRedirectDescriptor(key) {
+ return {
+ get() {
+ return pd(this).event[key]
+ },
+ set(value) {
+ pd(this).event[key] = value;
+ },
+ configurable: true,
+ enumerable: true,
+ }
+}
+
+/**
+ * Get the property descriptor to call a given method property.
+ * @param {string} key Property name to define property descriptor.
+ * @returns {PropertyDescriptor} The property descriptor to call the method property.
+ * @private
+ */
+function defineCallDescriptor(key) {
+ return {
+ value() {
+ const event = pd(this).event;
+ return event[key].apply(event, arguments)
+ },
+ configurable: true,
+ enumerable: true,
+ }
+}
+
+/**
+ * Define new wrapper class.
+ * @param {Function} BaseEvent The base wrapper class.
+ * @param {Object} proto The prototype of the original event.
+ * @returns {Function} The defined wrapper class.
+ * @private
+ */
+function defineWrapper(BaseEvent, proto) {
+ const keys = Object.keys(proto);
+ if (keys.length === 0) {
+ return BaseEvent
+ }
+
+ /** CustomEvent */
+ function CustomEvent(eventTarget, event) {
+ BaseEvent.call(this, eventTarget, event);
+ }
+
+ CustomEvent.prototype = Object.create(BaseEvent.prototype, {
+ constructor: { value: CustomEvent, configurable: true, writable: true },
+ });
+
+ // Define accessors.
+ for (let i = 0; i < keys.length; ++i) {
+ const key = keys[i];
+ if (!(key in BaseEvent.prototype)) {
+ const descriptor = Object.getOwnPropertyDescriptor(proto, key);
+ const isFunc = typeof descriptor.value === "function";
+ Object.defineProperty(
+ CustomEvent.prototype,
+ key,
+ isFunc
+ ? defineCallDescriptor(key)
+ : defineRedirectDescriptor(key)
+ );
+ }
+ }
+
+ return CustomEvent
+}
+
+/**
+ * Get the wrapper class of a given prototype.
+ * @param {Object} proto The prototype of the original event to get its wrapper.
+ * @returns {Function} The wrapper class.
+ * @private
+ */
+function getWrapper(proto) {
+ if (proto == null || proto === Object.prototype) {
+ return Event
+ }
+
+ let wrapper = wrappers.get(proto);
+ if (wrapper == null) {
+ wrapper = defineWrapper(getWrapper(Object.getPrototypeOf(proto)), proto);
+ wrappers.set(proto, wrapper);
+ }
+ return wrapper
+}
+
+/**
+ * Wrap a given event to management a dispatching.
+ * @param {EventTarget} eventTarget The event target of this dispatching.
+ * @param {Object} event The event to wrap.
+ * @returns {Event} The wrapper instance.
+ * @private
+ */
+function wrapEvent(eventTarget, event) {
+ const Wrapper = getWrapper(Object.getPrototypeOf(event));
+ return new Wrapper(eventTarget, event)
+}
+
+/**
+ * Get the immediateStopped flag of a given event.
+ * @param {Event} event The event to get.
+ * @returns {boolean} The flag to stop propagation immediately.
+ * @private
+ */
+function isStopped(event) {
+ return pd(event).immediateStopped
+}
+
+/**
+ * Set the current event phase of a given event.
+ * @param {Event} event The event to set current target.
+ * @param {number} eventPhase New event phase.
+ * @returns {void}
+ * @private
+ */
+function setEventPhase(event, eventPhase) {
+ pd(event).eventPhase = eventPhase;
+}
+
+/**
+ * Set the current target of a given event.
+ * @param {Event} event The event to set current target.
+ * @param {EventTarget|null} currentTarget New current target.
+ * @returns {void}
+ * @private
+ */
+function setCurrentTarget(event, currentTarget) {
+ pd(event).currentTarget = currentTarget;
+}
+
+/**
+ * Set a passive listener of a given event.
+ * @param {Event} event The event to set current target.
+ * @param {Function|null} passiveListener New passive listener.
+ * @returns {void}
+ * @private
+ */
+function setPassiveListener(event, passiveListener) {
+ pd(event).passiveListener = passiveListener;
+}
+
+/**
+ * @typedef {object} ListenerNode
+ * @property {Function} listener
+ * @property {1|2|3} listenerType
+ * @property {boolean} passive
+ * @property {boolean} once
+ * @property {ListenerNode|null} next
+ * @private
+ */
+
+/**
+ * @type {WeakMap<object, Map<string, ListenerNode>>}
+ * @private
+ */
+const listenersMap = new WeakMap();
+
+// Listener types
+const CAPTURE = 1;
+const BUBBLE = 2;
+const ATTRIBUTE = 3;
+
+/**
+ * Check whether a given value is an object or not.
+ * @param {any} x The value to check.
+ * @returns {boolean} `true` if the value is an object.
+ */
+function isObject(x) {
+ return x !== null && typeof x === "object" //eslint-disable-line no-restricted-syntax
+}
+
+/**
+ * Get listeners.
+ * @param {EventTarget} eventTarget The event target to get.
+ * @returns {Map<string, ListenerNode>} The listeners.
+ * @private
+ */
+function getListeners(eventTarget) {
+ const listeners = listenersMap.get(eventTarget);
+ if (listeners == null) {
+ throw new TypeError(
+ "'this' is expected an EventTarget object, but got another value."
+ )
+ }
+ return listeners
+}
+
+/**
+ * Get the property descriptor for the event attribute of a given event.
+ * @param {string} eventName The event name to get property descriptor.
+ * @returns {PropertyDescriptor} The property descriptor.
+ * @private
+ */
+function defineEventAttributeDescriptor(eventName) {
+ return {
+ get() {
+ const listeners = getListeners(this);
+ let node = listeners.get(eventName);
+ while (node != null) {
+ if (node.listenerType === ATTRIBUTE) {
+ return node.listener
+ }
+ node = node.next;
+ }
+ return null
+ },
+
+ set(listener) {
+ if (typeof listener !== "function" && !isObject(listener)) {
+ listener = null; // eslint-disable-line no-param-reassign
+ }
+ const listeners = getListeners(this);
+
+ // Traverse to the tail while removing old value.
+ let prev = null;
+ let node = listeners.get(eventName);
+ while (node != null) {
+ if (node.listenerType === ATTRIBUTE) {
+ // Remove old value.
+ if (prev !== null) {
+ prev.next = node.next;
+ } else if (node.next !== null) {
+ listeners.set(eventName, node.next);
+ } else {
+ listeners.delete(eventName);
+ }
+ } else {
+ prev = node;
+ }
+
+ node = node.next;
+ }
+
+ // Add new value.
+ if (listener !== null) {
+ const newNode = {
+ listener,
+ listenerType: ATTRIBUTE,
+ passive: false,
+ once: false,
+ next: null,
+ };
+ if (prev === null) {
+ listeners.set(eventName, newNode);
+ } else {
+ prev.next = newNode;
+ }
+ }
+ },
+ configurable: true,
+ enumerable: true,
+ }
+}
+
+/**
+ * Define an event attribute (e.g. `eventTarget.onclick`).
+ * @param {Object} eventTargetPrototype The event target prototype to define an event attrbite.
+ * @param {string} eventName The event name to define.
+ * @returns {void}
+ */
+function defineEventAttribute(eventTargetPrototype, eventName) {
+ Object.defineProperty(
+ eventTargetPrototype,
+ `on${eventName}`,
+ defineEventAttributeDescriptor(eventName)
+ );
+}
+
+/**
+ * Define a custom EventTarget with event attributes.
+ * @param {string[]} eventNames Event names for event attributes.
+ * @returns {EventTarget} The custom EventTarget.
+ * @private
+ */
+function defineCustomEventTarget(eventNames) {
+ /** CustomEventTarget */
+ function CustomEventTarget() {
+ EventTarget.call(this);
+ }
+
+ CustomEventTarget.prototype = Object.create(EventTarget.prototype, {
+ constructor: {
+ value: CustomEventTarget,
+ configurable: true,
+ writable: true,
+ },
+ });
+
+ for (let i = 0; i < eventNames.length; ++i) {
+ defineEventAttribute(CustomEventTarget.prototype, eventNames[i]);
+ }
+
+ return CustomEventTarget
+}
+
+/**
+ * EventTarget.
+ *
+ * - This is constructor if no arguments.
+ * - This is a function which returns a CustomEventTarget constructor if there are arguments.
+ *
+ * For example:
+ *
+ * class A extends EventTarget {}
+ * class B extends EventTarget("message") {}
+ * class C extends EventTarget("message", "error") {}
+ * class D extends EventTarget(["message", "error"]) {}
+ */
+function EventTarget() {
+ /*eslint-disable consistent-return */
+ if (this instanceof EventTarget) {
+ listenersMap.set(this, new Map());
+ return
+ }
+ if (arguments.length === 1 && Array.isArray(arguments[0])) {
+ return defineCustomEventTarget(arguments[0])
+ }
+ if (arguments.length > 0) {
+ const types = new Array(arguments.length);
+ for (let i = 0; i < arguments.length; ++i) {
+ types[i] = arguments[i];
+ }
+ return defineCustomEventTarget(types)
+ }
+ throw new TypeError("Cannot call a class as a function")
+ /*eslint-enable consistent-return */
+}
+
+// Should be enumerable, but class methods are not enumerable.
+EventTarget.prototype = {
+ /**
+ * Add a given listener to this event target.
+ * @param {string} eventName The event name to add.
+ * @param {Function} listener The listener to add.
+ * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.
+ * @returns {void}
+ */
+ addEventListener(eventName, listener, options) {
+ if (listener == null) {
+ return
+ }
+ if (typeof listener !== "function" && !isObject(listener)) {
+ throw new TypeError("'listener' should be a function or an object.")
+ }
+
+ const listeners = getListeners(this);
+ const optionsIsObj = isObject(options);
+ const capture = optionsIsObj
+ ? Boolean(options.capture)
+ : Boolean(options);
+ const listenerType = capture ? CAPTURE : BUBBLE;
+ const newNode = {
+ listener,
+ listenerType,
+ passive: optionsIsObj && Boolean(options.passive),
+ once: optionsIsObj && Boolean(options.once),
+ next: null,
+ };
+
+ // Set it as the first node if the first node is null.
+ let node = listeners.get(eventName);
+ if (node === undefined) {
+ listeners.set(eventName, newNode);
+ return
+ }
+
+ // Traverse to the tail while checking duplication..
+ let prev = null;
+ while (node != null) {
+ if (
+ node.listener === listener &&
+ node.listenerType === listenerType
+ ) {
+ // Should ignore duplication.
+ return
+ }
+ prev = node;
+ node = node.next;
+ }
+
+ // Add it.
+ prev.next = newNode;
+ },
+
+ /**
+ * Remove a given listener from this event target.
+ * @param {string} eventName The event name to remove.
+ * @param {Function} listener The listener to remove.
+ * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.
+ * @returns {void}
+ */
+ removeEventListener(eventName, listener, options) {
+ if (listener == null) {
+ return
+ }
+
+ const listeners = getListeners(this);
+ const capture = isObject(options)
+ ? Boolean(options.capture)
+ : Boolean(options);
+ const listenerType = capture ? CAPTURE : BUBBLE;
+
+ let prev = null;
+ let node = listeners.get(eventName);
+ while (node != null) {
+ if (
+ node.listener === listener &&
+ node.listenerType === listenerType
+ ) {
+ if (prev !== null) {
+ prev.next = node.next;
+ } else if (node.next !== null) {
+ listeners.set(eventName, node.next);
+ } else {
+ listeners.delete(eventName);
+ }
+ return
+ }
+
+ prev = node;
+ node = node.next;
+ }
+ },
+
+ /**
+ * Dispatch a given event.
+ * @param {Event|{type:string}} event The event to dispatch.
+ * @returns {boolean} `false` if canceled.
+ */
+ dispatchEvent(event) {
+ if (event == null || typeof event.type !== "string") {
+ throw new TypeError('"event.type" should be a string.')
+ }
+
+ // If listeners aren't registered, terminate.
+ const listeners = getListeners(this);
+ const eventName = event.type;
+ let node = listeners.get(eventName);
+ if (node == null) {
+ return true
+ }
+
+ // Since we cannot rewrite several properties, so wrap object.
+ const wrappedEvent = wrapEvent(this, event);
+
+ // This doesn't process capturing phase and bubbling phase.
+ // This isn't participating in a tree.
+ let prev = null;
+ while (node != null) {
+ // Remove this listener if it's once
+ if (node.once) {
+ if (prev !== null) {
+ prev.next = node.next;
+ } else if (node.next !== null) {
+ listeners.set(eventName, node.next);
+ } else {
+ listeners.delete(eventName);
+ }
+ } else {
+ prev = node;
+ }
+
+ // Call this listener
+ setPassiveListener(
+ wrappedEvent,
+ node.passive ? node.listener : null
+ );
+ if (typeof node.listener === "function") {
+ try {
+ node.listener.call(this, wrappedEvent);
+ } catch (err) {
+ if (
+ typeof console !== "undefined" &&
+ typeof console.error === "function"
+ ) {
+ console.error(err);
+ }
+ }
+ } else if (
+ node.listenerType !== ATTRIBUTE &&
+ typeof node.listener.handleEvent === "function"
+ ) {
+ node.listener.handleEvent(wrappedEvent);
+ }
+
+ // Break if `event.stopImmediatePropagation` was called.
+ if (isStopped(wrappedEvent)) {
+ break
+ }
+
+ node = node.next;
+ }
+ setPassiveListener(wrappedEvent, null);
+ setEventPhase(wrappedEvent, 0);
+ setCurrentTarget(wrappedEvent, null);
+
+ return !wrappedEvent.defaultPrevented
+ },
+};
+
+// `constructor` is not enumerable.
+Object.defineProperty(EventTarget.prototype, "constructor", {
+ value: EventTarget,
+ configurable: true,
+ writable: true,
+});
+
+// Ensure `eventTarget instanceof window.EventTarget` is `true`.
+if (
+ typeof window !== "undefined" &&
+ typeof window.EventTarget !== "undefined"
+) {
+ Object.setPrototypeOf(EventTarget.prototype, window.EventTarget.prototype);
+}
+
+exports.defineEventAttribute = defineEventAttribute;
+exports.EventTarget = EventTarget;
+exports.default = EventTarget;
+
+module.exports = EventTarget
+module.exports.EventTarget = module.exports["default"] = EventTarget
+module.exports.defineEventAttribute = defineEventAttribute
+//# sourceMappingURL=event-target-shim.js.map
diff --git a/debian/tests/test_modules/event-target-shim/dist/event-target-shim.mjs b/debian/tests/test_modules/event-target-shim/dist/event-target-shim.mjs
new file mode 100644
index 0000000..114f3a1
--- /dev/null
+++ b/debian/tests/test_modules/event-target-shim/dist/event-target-shim.mjs
@@ -0,0 +1,862 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * @copyright 2015 Toru Nagashima. All rights reserved.
+ * See LICENSE file in root directory for full license.
+ */
+/**
+ * @typedef {object} PrivateData
+ * @property {EventTarget} eventTarget The event target.
+ * @property {{type:string}} event The original event object.
+ * @property {number} eventPhase The current event phase.
+ * @property {EventTarget|null} currentTarget The current event target.
+ * @property {boolean} canceled The flag to prevent default.
+ * @property {boolean} stopped The flag to stop propagation.
+ * @property {boolean} immediateStopped The flag to stop propagation immediately.
+ * @property {Function|null} passiveListener The listener if the current listener is passive. Otherwise this is null.
+ * @property {number} timeStamp The unix time.
+ * @private
+ */
+
+/**
+ * Private data for event wrappers.
+ * @type {WeakMap<Event, PrivateData>}
+ * @private
+ */
+const privateData = new WeakMap();
+
+/**
+ * Cache for wrapper classes.
+ * @type {WeakMap<Object, Function>}
+ * @private
+ */
+const wrappers = new WeakMap();
+
+/**
+ * Get private data.
+ * @param {Event} event The event object to get private data.
+ * @returns {PrivateData} The private data of the event.
+ * @private
+ */
+function pd(event) {
+ const retv = privateData.get(event);
+ console.assert(
+ retv != null,
+ "'this' is expected an Event object, but got",
+ event
+ );
+ return retv
+}
+
+/**
+ * https://dom.spec.whatwg.org/#set-the-canceled-flag
+ * @param data {PrivateData} private data.
+ */
+function setCancelFlag(data) {
+ if (data.passiveListener != null) {
+ if (
+ typeof console !== "undefined" &&
+ typeof console.error === "function"
+ ) {
+ console.error(
+ "Unable to preventDefault inside passive event listener invocation.",
+ data.passiveListener
+ );
+ }
+ return
+ }
+ if (!data.event.cancelable) {
+ return
+ }
+
+ data.canceled = true;
+ if (typeof data.event.preventDefault === "function") {
+ data.event.preventDefault();
+ }
+}
+
+/**
+ * @see https://dom.spec.whatwg.org/#interface-event
+ * @private
+ */
+/**
+ * The event wrapper.
+ * @constructor
+ * @param {EventTarget} eventTarget The event target of this dispatching.
+ * @param {Event|{type:string}} event The original event to wrap.
+ */
+function Event(eventTarget, event) {
+ privateData.set(this, {
+ eventTarget,
+ event,
+ eventPhase: 2,
+ currentTarget: eventTarget,
+ canceled: false,
+ stopped: false,
+ immediateStopped: false,
+ passiveListener: null,
+ timeStamp: event.timeStamp || Date.now(),
+ });
+
+ // https://heycam.github.io/webidl/#Unforgeable
+ Object.defineProperty(this, "isTrusted", { value: false, enumerable: true });
+
+ // Define accessors
+ const keys = Object.keys(event);
+ for (let i = 0; i < keys.length; ++i) {
+ const key = keys[i];
+ if (!(key in this)) {
+ Object.defineProperty(this, key, defineRedirectDescriptor(key));
+ }
+ }
+}
+
+// Should be enumerable, but class methods are not enumerable.
+Event.prototype = {
+ /**
+ * The type of this event.
+ * @type {string}
+ */
+ get type() {
+ return pd(this).event.type
+ },
+
+ /**
+ * The target of this event.
+ * @type {EventTarget}
+ */
+ get target() {
+ return pd(this).eventTarget
+ },
+
+ /**
+ * The target of this event.
+ * @type {EventTarget}
+ */
+ get currentTarget() {
+ return pd(this).currentTarget
+ },
+
+ /**
+ * @returns {EventTarget[]} The composed path of this event.
+ */
+ composedPath() {
+ const currentTarget = pd(this).currentTarget;
+ if (currentTarget == null) {
+ return []
+ }
+ return [currentTarget]
+ },
+
+ /**
+ * Constant of NONE.
+ * @type {number}
+ */
+ get NONE() {
+ return 0
+ },
+
+ /**
+ * Constant of CAPTURING_PHASE.
+ * @type {number}
+ */
+ get CAPTURING_PHASE() {
+ return 1
+ },
+
+ /**
+ * Constant of AT_TARGET.
+ * @type {number}
+ */
+ get AT_TARGET() {
+ return 2
+ },
+
+ /**
+ * Constant of BUBBLING_PHASE.
+ * @type {number}
+ */
+ get BUBBLING_PHASE() {
+ return 3
+ },
+
+ /**
+ * The target of this event.
+ * @type {number}
+ */
+ get eventPhase() {
+ return pd(this).eventPhase
+ },
+
+ /**
+ * Stop event bubbling.
+ * @returns {void}
+ */
+ stopPropagation() {
+ const data = pd(this);
+
+ data.stopped = true;
+ if (typeof data.event.stopPropagation === "function") {
+ data.event.stopPropagation();
+ }
+ },
+
+ /**
+ * Stop event bubbling.
+ * @returns {void}
+ */
+ stopImmediatePropagation() {
+ const data = pd(this);
+
+ data.stopped = true;
+ data.immediateStopped = true;
+ if (typeof data.event.stopImmediatePropagation === "function") {
+ data.event.stopImmediatePropagation();
+ }
+ },
+
+ /**
+ * The flag to be bubbling.
+ * @type {boolean}
+ */
+ get bubbles() {
+ return Boolean(pd(this).event.bubbles)
+ },
+
+ /**
+ * The flag to be cancelable.
+ * @type {boolean}
+ */
+ get cancelable() {
+ return Boolean(pd(this).event.cancelable)
+ },
+
+ /**
+ * Cancel this event.
+ * @returns {void}
+ */
+ preventDefault() {
+ setCancelFlag(pd(this));
+ },
+
+ /**
+ * The flag to indicate cancellation state.
+ * @type {boolean}
+ */
+ get defaultPrevented() {
+ return pd(this).canceled
+ },
+
+ /**
+ * The flag to be composed.
+ * @type {boolean}
+ */
+ get composed() {
+ return Boolean(pd(this).event.composed)
+ },
+
+ /**
+ * The unix time of this event.
+ * @type {number}
+ */
+ get timeStamp() {
+ return pd(this).timeStamp
+ },
+
+ /**
+ * The target of this event.
+ * @type {EventTarget}
+ * @deprecated
+ */
+ get srcElement() {
+ return pd(this).eventTarget
+ },
+
+ /**
+ * The flag to stop event bubbling.
+ * @type {boolean}
+ * @deprecated
+ */
+ get cancelBubble() {
+ return pd(this).stopped
+ },
+ set cancelBubble(value) {
+ if (!value) {
+ return
+ }
+ const data = pd(this);
+
+ data.stopped = true;
+ if (typeof data.event.cancelBubble === "boolean") {
+ data.event.cancelBubble = true;
+ }
+ },
+
+ /**
+ * The flag to indicate cancellation state.
+ * @type {boolean}
+ * @deprecated
+ */
+ get returnValue() {
+ return !pd(this).canceled
+ },
+ set returnValue(value) {
+ if (!value) {
+ setCancelFlag(pd(this));
+ }
+ },
+
+ /**
+ * Initialize this event object. But do nothing under event dispatching.
+ * @param {string} type The event type.
+ * @param {boolean} [bubbles=false] The flag to be possible to bubble up.
+ * @param {boolean} [cancelable=false] The flag to be possible to cancel.
+ * @deprecated
+ */
+ initEvent() {
+ // Do nothing.
+ },
+};
+
+// `constructor` is not enumerable.
+Object.defineProperty(Event.prototype, "constructor", {
+ value: Event,
+ configurable: true,
+ writable: true,
+});
+
+// Ensure `event instanceof window.Event` is `true`.
+if (typeof window !== "undefined" && typeof window.Event !== "undefined") {
+ Object.setPrototypeOf(Event.prototype, window.Event.prototype);
+
+ // Make association for wrappers.
+ wrappers.set(window.Event.prototype, Event);
+}
+
+/**
+ * Get the property descriptor to redirect a given property.
+ * @param {string} key Property name to define property descriptor.
+ * @returns {PropertyDescriptor} The property descriptor to redirect the property.
+ * @private
+ */
+function defineRedirectDescriptor(key) {
+ return {
+ get() {
+ return pd(this).event[key]
+ },
+ set(value) {
+ pd(this).event[key] = value;
+ },
+ configurable: true,
+ enumerable: true,
+ }
+}
+
+/**
+ * Get the property descriptor to call a given method property.
+ * @param {string} key Property name to define property descriptor.
+ * @returns {PropertyDescriptor} The property descriptor to call the method property.
+ * @private
+ */
+function defineCallDescriptor(key) {
+ return {
+ value() {
+ const event = pd(this).event;
+ return event[key].apply(event, arguments)
+ },
+ configurable: true,
+ enumerable: true,
+ }
+}
+
+/**
+ * Define new wrapper class.
+ * @param {Function} BaseEvent The base wrapper class.
+ * @param {Object} proto The prototype of the original event.
+ * @returns {Function} The defined wrapper class.
+ * @private
+ */
+function defineWrapper(BaseEvent, proto) {
+ const keys = Object.keys(proto);
+ if (keys.length === 0) {
+ return BaseEvent
+ }
+
+ /** CustomEvent */
+ function CustomEvent(eventTarget, event) {
+ BaseEvent.call(this, eventTarget, event);
+ }
+
+ CustomEvent.prototype = Object.create(BaseEvent.prototype, {
+ constructor: { value: CustomEvent, configurable: true, writable: true },
+ });
+
+ // Define accessors.
+ for (let i = 0; i < keys.length; ++i) {
+ const key = keys[i];
+ if (!(key in BaseEvent.prototype)) {
+ const descriptor = Object.getOwnPropertyDescriptor(proto, key);
+ const isFunc = typeof descriptor.value === "function";
+ Object.defineProperty(
+ CustomEvent.prototype,
+ key,
+ isFunc
+ ? defineCallDescriptor(key)
+ : defineRedirectDescriptor(key)
+ );
+ }
+ }
+
+ return CustomEvent
+}
+
+/**
+ * Get the wrapper class of a given prototype.
+ * @param {Object} proto The prototype of the original event to get its wrapper.
+ * @returns {Function} The wrapper class.
+ * @private
+ */
+function getWrapper(proto) {
+ if (proto == null || proto === Object.prototype) {
+ return Event
+ }
+
+ let wrapper = wrappers.get(proto);
+ if (wrapper == null) {
+ wrapper = defineWrapper(getWrapper(Object.getPrototypeOf(proto)), proto);
+ wrappers.set(proto, wrapper);
+ }
+ return wrapper
+}
+
+/**
+ * Wrap a given event to management a dispatching.
+ * @param {EventTarget} eventTarget The event target of this dispatching.
+ * @param {Object} event The event to wrap.
+ * @returns {Event} The wrapper instance.
+ * @private
+ */
+function wrapEvent(eventTarget, event) {
+ const Wrapper = getWrapper(Object.getPrototypeOf(event));
+ return new Wrapper(eventTarget, event)
+}
+
+/**
+ * Get the immediateStopped flag of a given event.
+ * @param {Event} event The event to get.
+ * @returns {boolean} The flag to stop propagation immediately.
+ * @private
+ */
+function isStopped(event) {
+ return pd(event).immediateStopped
+}
+
+/**
+ * Set the current event phase of a given event.
+ * @param {Event} event The event to set current target.
+ * @param {number} eventPhase New event phase.
+ * @returns {void}
+ * @private
+ */
+function setEventPhase(event, eventPhase) {
+ pd(event).eventPhase = eventPhase;
+}
+
+/**
+ * Set the current target of a given event.
+ * @param {Event} event The event to set current target.
+ * @param {EventTarget|null} currentTarget New current target.
+ * @returns {void}
+ * @private
+ */
+function setCurrentTarget(event, currentTarget) {
+ pd(event).currentTarget = currentTarget;
+}
+
+/**
+ * Set a passive listener of a given event.
+ * @param {Event} event The event to set current target.
+ * @param {Function|null} passiveListener New passive listener.
+ * @returns {void}
+ * @private
+ */
+function setPassiveListener(event, passiveListener) {
+ pd(event).passiveListener = passiveListener;
+}
+
+/**
+ * @typedef {object} ListenerNode
+ * @property {Function} listener
+ * @property {1|2|3} listenerType
+ * @property {boolean} passive
+ * @property {boolean} once
+ * @property {ListenerNode|null} next
+ * @private
+ */
+
+/**
+ * @type {WeakMap<object, Map<string, ListenerNode>>}
+ * @private
+ */
+const listenersMap = new WeakMap();
+
+// Listener types
+const CAPTURE = 1;
+const BUBBLE = 2;
+const ATTRIBUTE = 3;
+
+/**
+ * Check whether a given value is an object or not.
+ * @param {any} x The value to check.
+ * @returns {boolean} `true` if the value is an object.
+ */
+function isObject(x) {
+ return x !== null && typeof x === "object" //eslint-disable-line no-restricted-syntax
+}
+
+/**
+ * Get listeners.
+ * @param {EventTarget} eventTarget The event target to get.
+ * @returns {Map<string, ListenerNode>} The listeners.
+ * @private
+ */
+function getListeners(eventTarget) {
+ const listeners = listenersMap.get(eventTarget);
+ if (listeners == null) {
+ throw new TypeError(
+ "'this' is expected an EventTarget object, but got another value."
+ )
+ }
+ return listeners
+}
+
+/**
+ * Get the property descriptor for the event attribute of a given event.
+ * @param {string} eventName The event name to get property descriptor.
+ * @returns {PropertyDescriptor} The property descriptor.
+ * @private
+ */
+function defineEventAttributeDescriptor(eventName) {
+ return {
+ get() {
+ const listeners = getListeners(this);
+ let node = listeners.get(eventName);
+ while (node != null) {
+ if (node.listenerType === ATTRIBUTE) {
+ return node.listener
+ }
+ node = node.next;
+ }
+ return null
+ },
+
+ set(listener) {
+ if (typeof listener !== "function" && !isObject(listener)) {
+ listener = null; // eslint-disable-line no-param-reassign
+ }
+ const listeners = getListeners(this);
+
+ // Traverse to the tail while removing old value.
+ let prev = null;
+ let node = listeners.get(eventName);
+ while (node != null) {
+ if (node.listenerType === ATTRIBUTE) {
+ // Remove old value.
+ if (prev !== null) {
+ prev.next = node.next;
+ } else if (node.next !== null) {
+ listeners.set(eventName, node.next);
+ } else {
+ listeners.delete(eventName);
+ }
+ } else {
+ prev = node;
+ }
+
+ node = node.next;
+ }
+
+ // Add new value.
+ if (listener !== null) {
+ const newNode = {
+ listener,
+ listenerType: ATTRIBUTE,
+ passive: false,
+ once: false,
+ next: null,
+ };
+ if (prev === null) {
+ listeners.set(eventName, newNode);
+ } else {
+ prev.next = newNode;
+ }
+ }
+ },
+ configurable: true,
+ enumerable: true,
+ }
+}
+
+/**
+ * Define an event attribute (e.g. `eventTarget.onclick`).
+ * @param {Object} eventTargetPrototype The event target prototype to define an event attrbite.
+ * @param {string} eventName The event name to define.
+ * @returns {void}
+ */
+function defineEventAttribute(eventTargetPrototype, eventName) {
+ Object.defineProperty(
+ eventTargetPrototype,
+ `on${eventName}`,
+ defineEventAttributeDescriptor(eventName)
+ );
+}
+
+/**
+ * Define a custom EventTarget with event attributes.
+ * @param {string[]} eventNames Event names for event attributes.
+ * @returns {EventTarget} The custom EventTarget.
+ * @private
+ */
+function defineCustomEventTarget(eventNames) {
+ /** CustomEventTarget */
+ function CustomEventTarget() {
+ EventTarget.call(this);
+ }
+
+ CustomEventTarget.prototype = Object.create(EventTarget.prototype, {
+ constructor: {
+ value: CustomEventTarget,
+ configurable: true,
+ writable: true,
+ },
+ });
+
+ for (let i = 0; i < eventNames.length; ++i) {
+ defineEventAttribute(CustomEventTarget.prototype, eventNames[i]);
+ }
+
+ return CustomEventTarget
+}
+
+/**
+ * EventTarget.
+ *
+ * - This is constructor if no arguments.
+ * - This is a function which returns a CustomEventTarget constructor if there are arguments.
+ *
+ * For example:
+ *
+ * class A extends EventTarget {}
+ * class B extends EventTarget("message") {}
+ * class C extends EventTarget("message", "error") {}
+ * class D extends EventTarget(["message", "error"]) {}
+ */
+function EventTarget() {
+ /*eslint-disable consistent-return */
+ if (this instanceof EventTarget) {
+ listenersMap.set(this, new Map());
+ return
+ }
+ if (arguments.length === 1 && Array.isArray(arguments[0])) {
+ return defineCustomEventTarget(arguments[0])
+ }
+ if (arguments.length > 0) {
+ const types = new Array(arguments.length);
+ for (let i = 0; i < arguments.length; ++i) {
+ types[i] = arguments[i];
+ }
+ return defineCustomEventTarget(types)
+ }
+ throw new TypeError("Cannot call a class as a function")
+ /*eslint-enable consistent-return */
+}
+
+// Should be enumerable, but class methods are not enumerable.
+EventTarget.prototype = {
+ /**
+ * Add a given listener to this event target.
+ * @param {string} eventName The event name to add.
+ * @param {Function} listener The listener to add.
+ * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.
+ * @returns {void}
+ */
+ addEventListener(eventName, listener, options) {
+ if (listener == null) {
+ return
+ }
+ if (typeof listener !== "function" && !isObject(listener)) {
+ throw new TypeError("'listener' should be a function or an object.")
+ }
+
+ const listeners = getListeners(this);
+ const optionsIsObj = isObject(options);
+ const capture = optionsIsObj
+ ? Boolean(options.capture)
+ : Boolean(options);
+ const listenerType = capture ? CAPTURE : BUBBLE;
+ const newNode = {
+ listener,
+ listenerType,
+ passive: optionsIsObj && Boolean(options.passive),
+ once: optionsIsObj && Boolean(options.once),
+ next: null,
+ };
+
+ // Set it as the first node if the first node is null.
+ let node = listeners.get(eventName);
+ if (node === undefined) {
+ listeners.set(eventName, newNode);
+ return
+ }
+
+ // Traverse to the tail while checking duplication..
+ let prev = null;
+ while (node != null) {
+ if (
+ node.listener === listener &&
+ node.listenerType === listenerType
+ ) {
+ // Should ignore duplication.
+ return
+ }
+ prev = node;
+ node = node.next;
+ }
+
+ // Add it.
+ prev.next = newNode;
+ },
+
+ /**
+ * Remove a given listener from this event target.
+ * @param {string} eventName The event name to remove.
+ * @param {Function} listener The listener to remove.
+ * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.
+ * @returns {void}
+ */
+ removeEventListener(eventName, listener, options) {
+ if (listener == null) {
+ return
+ }
+
+ const listeners = getListeners(this);
+ const capture = isObject(options)
+ ? Boolean(options.capture)
+ : Boolean(options);
+ const listenerType = capture ? CAPTURE : BUBBLE;
+
+ let prev = null;
+ let node = listeners.get(eventName);
+ while (node != null) {
+ if (
+ node.listener === listener &&
+ node.listenerType === listenerType
+ ) {
+ if (prev !== null) {
+ prev.next = node.next;
+ } else if (node.next !== null) {
+ listeners.set(eventName, node.next);
+ } else {
+ listeners.delete(eventName);
+ }
+ return
+ }
+
+ prev = node;
+ node = node.next;
+ }
+ },
+
+ /**
+ * Dispatch a given event.
+ * @param {Event|{type:string}} event The event to dispatch.
+ * @returns {boolean} `false` if canceled.
+ */
+ dispatchEvent(event) {
+ if (event == null || typeof event.type !== "string") {
+ throw new TypeError('"event.type" should be a string.')
+ }
+
+ // If listeners aren't registered, terminate.
+ const listeners = getListeners(this);
+ const eventName = event.type;
+ let node = listeners.get(eventName);
+ if (node == null) {
+ return true
+ }
+
+ // Since we cannot rewrite several properties, so wrap object.
+ const wrappedEvent = wrapEvent(this, event);
+
+ // This doesn't process capturing phase and bubbling phase.
+ // This isn't participating in a tree.
+ let prev = null;
+ while (node != null) {
+ // Remove this listener if it's once
+ if (node.once) {
+ if (prev !== null) {
+ prev.next = node.next;
+ } else if (node.next !== null) {
+ listeners.set(eventName, node.next);
+ } else {
+ listeners.delete(eventName);
+ }
+ } else {
+ prev = node;
+ }
+
+ // Call this listener
+ setPassiveListener(
+ wrappedEvent,
+ node.passive ? node.listener : null
+ );
+ if (typeof node.listener === "function") {
+ try {
+ node.listener.call(this, wrappedEvent);
+ } catch (err) {
+ if (
+ typeof console !== "undefined" &&
+ typeof console.error === "function"
+ ) {
+ console.error(err);
+ }
+ }
+ } else if (
+ node.listenerType !== ATTRIBUTE &&
+ typeof node.listener.handleEvent === "function"
+ ) {
+ node.listener.handleEvent(wrappedEvent);
+ }
+
+ // Break if `event.stopImmediatePropagation` was called.
+ if (isStopped(wrappedEvent)) {
+ break
+ }
+
+ node = node.next;
+ }
+ setPassiveListener(wrappedEvent, null);
+ setEventPhase(wrappedEvent, 0);
+ setCurrentTarget(wrappedEvent, null);
+
+ return !wrappedEvent.defaultPrevented
+ },
+};
+
+// `constructor` is not enumerable.
+Object.defineProperty(EventTarget.prototype, "constructor", {
+ value: EventTarget,
+ configurable: true,
+ writable: true,
+});
+
+// Ensure `eventTarget instanceof window.EventTarget` is `true`.
+if (
+ typeof window !== "undefined" &&
+ typeof window.EventTarget !== "undefined"
+) {
+ Object.setPrototypeOf(EventTarget.prototype, window.EventTarget.prototype);
+}
+
+export default EventTarget;
+export { defineEventAttribute, EventTarget };
+//# sourceMappingURL=event-target-shim.mjs.map
diff --git a/debian/tests/test_modules/event-target-shim/index.d.ts b/debian/tests/test_modules/event-target-shim/index.d.ts
new file mode 100644
index 0000000..a303097
--- /dev/null
+++ b/debian/tests/test_modules/event-target-shim/index.d.ts
@@ -0,0 +1,399 @@
+export as namespace EventTargetShim
+
+/**
+ * `Event` interface.
+ * @see https://dom.spec.whatwg.org/#event
+ */
+export interface Event {
+ /**
+ * The type of this event.
+ */
+ readonly type: string
+
+ /**
+ * The target of this event.
+ */
+ readonly target: EventTarget<{}, {}, "standard"> | null
+
+ /**
+ * The current target of this event.
+ */
+ readonly currentTarget: EventTarget<{}, {}, "standard"> | null
+
+ /**
+ * The target of this event.
+ * @deprecated
+ */
+ readonly srcElement: any | null
+
+ /**
+ * The composed path of this event.
+ */
+ composedPath(): EventTarget<{}, {}, "standard">[]
+
+ /**
+ * Constant of NONE.
+ */
+ readonly NONE: number
+
+ /**
+ * Constant of CAPTURING_PHASE.
+ */
+ readonly CAPTURING_PHASE: number
+
+ /**
+ * Constant of BUBBLING_PHASE.
+ */
+ readonly BUBBLING_PHASE: number
+
+ /**
+ * Constant of AT_TARGET.
+ */
+ readonly AT_TARGET: number
+
+ /**
+ * Indicates which phase of the event flow is currently being evaluated.
+ */
+ readonly eventPhase: number
+
+ /**
+ * Stop event bubbling.
+ */
+ stopPropagation(): void
+
+ /**
+ * Stop event bubbling.
+ */
+ stopImmediatePropagation(): void
+
+ /**
+ * Initialize event.
+ * @deprecated
+ */
+ initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void
+
+ /**
+ * The flag indicating bubbling.
+ */
+ readonly bubbles: boolean
+
+ /**
+ * Stop event bubbling.
+ * @deprecated
+ */
+ cancelBubble: boolean
+
+ /**
+ * Set or get cancellation flag.
+ * @deprecated
+ */
+ returnValue: boolean
+
+ /**
+ * The flag indicating whether the event can be canceled.
+ */
+ readonly cancelable: boolean
+
+ /**
+ * Cancel this event.
+ */
+ preventDefault(): void
+
+ /**
+ * The flag to indicating whether the event was canceled.
+ */
+ readonly defaultPrevented: boolean
+
+ /**
+ * The flag to indicating if event is composed.
+ */
+ readonly composed: boolean
+
+ /**
+ * Indicates whether the event was dispatched by the user agent.
+ */
+ readonly isTrusted: boolean
+
+ /**
+ * The unix time of this event.
+ */
+ readonly timeStamp: number
+}
+
+/**
+ * The constructor of `EventTarget` interface.
+ */
+export type EventTargetConstructor<
+ TEvents extends EventTarget.EventDefinition = {},
+ TEventAttributes extends EventTarget.EventDefinition = {},
+ TMode extends EventTarget.Mode = "loose"
+> = {
+ prototype: EventTarget<TEvents, TEventAttributes, TMode>
+ new(): EventTarget<TEvents, TEventAttributes, TMode>
+}
+
+/**
+ * `EventTarget` interface.
+ * @see https://dom.spec.whatwg.org/#interface-eventtarget
+ */
+export type EventTarget<
+ TEvents extends EventTarget.EventDefinition = {},
+ TEventAttributes extends EventTarget.EventDefinition = {},
+ TMode extends EventTarget.Mode = "loose"
+> = EventTarget.EventAttributes<TEventAttributes> & {
+ /**
+ * Add a given listener to this event target.
+ * @param eventName The event name to add.
+ * @param listener The listener to add.
+ * @param options The options for this listener.
+ */
+ addEventListener<TEventType extends EventTarget.EventType<TEvents, TMode>>(
+ type: TEventType,
+ listener:
+ | EventTarget.Listener<EventTarget.PickEvent<TEvents, TEventType>>
+ | null,
+ options?: boolean | EventTarget.AddOptions
+ ): void
+
+ /**
+ * Remove a given listener from this event target.
+ * @param eventName The event name to remove.
+ * @param listener The listener to remove.
+ * @param options The options for this listener.
+ */
+ removeEventListener<TEventType extends EventTarget.EventType<TEvents, TMode>>(
+ type: TEventType,
+ listener:
+ | EventTarget.Listener<EventTarget.PickEvent<TEvents, TEventType>>
+ | null,
+ options?: boolean | EventTarget.RemoveOptions
+ ): void
+
+ /**
+ * Dispatch a given event.
+ * @param event The event to dispatch.
+ * @returns `false` if canceled.
+ */
+ dispatchEvent<TEventType extends EventTarget.EventType<TEvents, TMode>>(
+ event: EventTarget.EventData<TEvents, TEventType, TMode>
+ ): boolean
+}
+
+export const EventTarget: EventTargetConstructor & {
+ /**
+ * Create an `EventTarget` instance with detailed event definition.
+ *
+ * The detailed event definition requires to use `defineEventAttribute()`
+ * function later.
+ *
+ * Unfortunately, the second type parameter `TEventAttributes` was needed
+ * because we cannot compute string literal types.
+ *
+ * @example
+ * const signal = new EventTarget<{ abort: Event }, { onabort: Event }>()
+ * defineEventAttribute(signal, "abort")
+ */
+ new <
+ TEvents extends EventTarget.EventDefinition,
+ TEventAttributes extends EventTarget.EventDefinition,
+ TMode extends EventTarget.Mode = "loose"
+ >(): EventTarget<TEvents, TEventAttributes, TMode>
+
+ /**
+ * Define an `EventTarget` constructor with attribute events and detailed event definition.
+ *
+ * Unfortunately, the second type parameter `TEventAttributes` was needed
+ * because we cannot compute string literal types.
+ *
+ * @example
+ * class AbortSignal extends EventTarget<{ abort: Event }, { onabort: Event }>("abort") {
+ * abort(): void {}
+ * }
+ *
+ * @param events Optional event attributes (e.g. passing in `"click"` adds `onclick` to prototype).
+ */
+ <
+ TEvents extends EventTarget.EventDefinition = {},
+ TEventAttributes extends EventTarget.EventDefinition = {},
+ TMode extends EventTarget.Mode = "loose"
+ >(events: string[]): EventTargetConstructor<
+ TEvents,
+ TEventAttributes,
+ TMode
+ >
+
+ /**
+ * Define an `EventTarget` constructor with attribute events and detailed event definition.
+ *
+ * Unfortunately, the second type parameter `TEventAttributes` was needed
+ * because we cannot compute string literal types.
+ *
+ * @example
+ * class AbortSignal extends EventTarget<{ abort: Event }, { onabort: Event }>("abort") {
+ * abort(): void {}
+ * }
+ *
+ * @param events Optional event attributes (e.g. passing in `"click"` adds `onclick` to prototype).
+ */
+ <
+ TEvents extends EventTarget.EventDefinition = {},
+ TEventAttributes extends EventTarget.EventDefinition = {},
+ TMode extends EventTarget.Mode = "loose"
+ >(event0: string, ...events: string[]): EventTargetConstructor<
+ TEvents,
+ TEventAttributes,
+ TMode
+ >
+}
+
+export namespace EventTarget {
+ /**
+ * Options of `removeEventListener()` method.
+ */
+ export interface RemoveOptions {
+ /**
+ * The flag to indicate that the listener is for the capturing phase.
+ */
+ capture?: boolean
+ }
+
+ /**
+ * Options of `addEventListener()` method.
+ */
+ export interface AddOptions extends RemoveOptions {
+ /**
+ * The flag to indicate that the listener doesn't support
+ * `event.preventDefault()` operation.
+ */
+ passive?: boolean
+ /**
+ * The flag to indicate that the listener will be removed on the first
+ * event.
+ */
+ once?: boolean
+ }
+
+ /**
+ * The type of regular listeners.
+ */
+ export interface FunctionListener<TEvent> {
+ (event: TEvent): void
+ }
+
+ /**
+ * The type of object listeners.
+ */
+ export interface ObjectListener<TEvent> {
+ handleEvent(event: TEvent): void
+ }
+
+ /**
+ * The type of listeners.
+ */
+ export type Listener<TEvent> =
+ | FunctionListener<TEvent>
+ | ObjectListener<TEvent>
+
+ /**
+ * Event definition.
+ */
+ export type EventDefinition = {
+ readonly [key: string]: Event
+ }
+
+ /**
+ * Mapped type for event attributes.
+ */
+ export type EventAttributes<TEventAttributes extends EventDefinition> = {
+ [P in keyof TEventAttributes]:
+ | FunctionListener<TEventAttributes[P]>
+ | null
+ }
+
+ /**
+ * The type of event data for `dispatchEvent()` method.
+ */
+ export type EventData<
+ TEvents extends EventDefinition,
+ TEventType extends keyof TEvents | string,
+ TMode extends Mode
+ > =
+ TEventType extends keyof TEvents
+ ? (
+ // Require properties which are not generated automatically.
+ & Pick<
+ TEvents[TEventType],
+ Exclude<keyof TEvents[TEventType], OmittableEventKeys>
+ >
+ // Properties which are generated automatically are optional.
+ & Partial<Pick<Event, OmittableEventKeys>>
+ )
+ : (
+ TMode extends "standard"
+ ? Event
+ : Event | NonStandardEvent
+ )
+
+ /**
+ * The string literal types of the properties which are generated
+ * automatically in `dispatchEvent()` method.
+ */
+ export type OmittableEventKeys = Exclude<keyof Event, "type">
+
+ /**
+ * The type of event data.
+ */
+ export type NonStandardEvent = {
+ [key: string]: any
+ type: string
+ }
+
+ /**
+ * The type of listeners.
+ */
+ export type PickEvent<
+ TEvents extends EventDefinition,
+ TEventType extends keyof TEvents | string,
+ > =
+ TEventType extends keyof TEvents
+ ? TEvents[TEventType]
+ : Event
+
+ /**
+ * Event type candidates.
+ */
+ export type EventType<
+ TEvents extends EventDefinition,
+ TMode extends Mode
+ > =
+ TMode extends "strict"
+ ? keyof TEvents
+ : keyof TEvents | string
+
+ /**
+ * - `"strict"` ..... Methods don't accept unknown events.
+ * `dispatchEvent()` accepts partial objects.
+ * - `"loose"` ...... Methods accept unknown events.
+ * `dispatchEvent()` accepts partial objects.
+ * - `"standard"` ... Methods accept unknown events.
+ * `dispatchEvent()` doesn't accept partial objects.
+ */
+ export type Mode = "strict" | "standard" | "loose"
+}
+
+/**
+ * Specialized `type` property.
+ */
+export type Type<T extends string> = { type: T }
+
+/**
+ * Define an event attribute (e.g. `eventTarget.onclick`).
+ * @param prototype The event target prototype to define an event attribute.
+ * @param eventName The event name to define.
+ */
+export function defineEventAttribute(
+ prototype: EventTarget,
+ eventName: string
+): void
+
+export default EventTarget
diff --git a/debian/tests/test_modules/event-target-shim/package.json b/debian/tests/test_modules/event-target-shim/package.json
new file mode 100644
index 0000000..40326f3
--- /dev/null
+++ b/debian/tests/test_modules/event-target-shim/package.json
@@ -0,0 +1,82 @@
+{
+ "name": "event-target-shim",
+ "version": "5.0.1",
+ "description": "An implementation of WHATWG EventTarget interface.",
+ "main": "dist/event-target-shim",
+ "types": "index.d.ts",
+ "files": [
+ "dist",
+ "index.d.ts"
+ ],
+ "engines": {
+ "node": ">=6"
+ },
+ "scripts": {
+ "preversion": "npm test",
+ "version": "npm run build && git add dist/*",
+ "postversion": "git push && git push --tags",
+ "clean": "rimraf .nyc_output coverage",
+ "coverage": "nyc report --reporter lcov && opener coverage/lcov-report/index.html",
+ "lint": "eslint src test scripts --ext .js,.mjs",
+ "build": "rollup -c scripts/rollup.config.js",
+ "pretest": "npm run lint",
+ "test": "run-s test:*",
+ "test:mocha": "nyc --require ./scripts/babel-register mocha test/*.mjs",
+ "test:karma": "karma start scripts/karma.conf.js --single-run",
+ "watch": "run-p watch:*",
+ "watch:mocha": "mocha test/*.mjs --require ./scripts/babel-register --watch --watch-extensions js,mjs --growl",
+ "watch:karma": "karma start scripts/karma.conf.js --watch",
+ "codecov": "codecov"
+ },
+ "devDependencies": {
+ "@babel/core": "^7.2.2",
+ "@babel/plugin-transform-modules-commonjs": "^7.2.0",
+ "@babel/preset-env": "^7.2.3",
+ "@babel/register": "^7.0.0",
+ "@mysticatea/eslint-plugin": "^8.0.1",
+ "@mysticatea/spy": "^0.1.2",
+ "assert": "^1.4.1",
+ "codecov": "^3.1.0",
+ "eslint": "^5.12.1",
+ "karma": "^3.1.4",
+ "karma-chrome-launcher": "^2.2.0",
+ "karma-coverage": "^1.1.2",
+ "karma-firefox-launcher": "^1.0.0",
+ "karma-growl-reporter": "^1.0.0",
+ "karma-ie-launcher": "^1.0.0",
+ "karma-mocha": "^1.3.0",
+ "karma-rollup-preprocessor": "^7.0.0-rc.2",
+ "mocha": "^5.2.0",
+ "npm-run-all": "^4.1.5",
+ "nyc": "^13.1.0",
+ "opener": "^1.5.1",
+ "rimraf": "^2.6.3",
+ "rollup": "^1.1.1",
+ "rollup-plugin-babel": "^4.3.2",
+ "rollup-plugin-babel-minify": "^7.0.0",
+ "rollup-plugin-commonjs": "^9.2.0",
+ "rollup-plugin-json": "^3.1.0",
+ "rollup-plugin-node-resolve": "^4.0.0",
+ "rollup-watch": "^4.3.1",
+ "type-tester": "^1.0.0",
+ "typescript": "^3.2.4"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/mysticatea/event-target-shim.git"
+ },
+ "keywords": [
+ "w3c",
+ "whatwg",
+ "eventtarget",
+ "event",
+ "events",
+ "shim"
+ ],
+ "author": "Toru Nagashima",
+ "license": "MIT",
+ "bugs": {
+ "url": "https://github.com/mysticatea/event-target-shim/issues"
+ },
+ "homepage": "https://github.com/mysticatea/event-target-shim"
+}