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{ isArrayLike } from 'utilities/array';\r\n\r\nexport interface EventInit {\r\n\tbubbles?: boolean;\r\n\tcancelable?: boolean;\r\n}\r\n\r\nexport interface EventModifierInit {\r\n\tctrlKey?: boolean;\r\n\tshiftKey?: boolean;\r\n\taltKey?: boolean;\r\n\tmetaKey?: boolean;\r\n}\r\n\r\nexport interface UIEventInit extends EventInit {\r\n\tdetail?: number;\r\n\tview?: Window;\r\n}\r\n\r\nexport interface MouseEventInit extends UIEventInit, EventModifierInit {\r\n\tscreenX?: number;\r\n\tscreenY?: number;\r\n\tclientX?: number;\r\n\tclientY?: number;\r\n\tbutton?: number;\r\n\tbuttons?: number;\r\n\trelatedTarget?: EventTarget;\r\n\tregion?: string;\r\n}\r\n\r\nexport interface KeyboardEventInit extends EventModifierInit {\r\n\tkey?; string;\r\n\tkeyCode?: number;\r\n\tcode?: string;\r\n\tcharCode?: number;\r\n\twhich?: number;\r\n\tlocation?: number;\r\n\trepeat?: boolean;\r\n\tisComposing?: boolean;\r\n}\r\n\r\nexport interface FocusEventInit extends UIEventInit {\r\n\trelatedTarget?: EventTarget;\r\n}\r\n\r\nconst eventProps = [ 'bubbles', 'cancelable', 'data', 'timeStamp', 'namespace' ],\r\n\tmodifierProps = [ 'ctrlKey', 'shiftKey', 'altKey', 'metaKey' ],\r\n\tuiEventProps = eventProps.concat( [ 'details', 'view' ] ),\r\n\tmouseEventProps = uiEventProps.concat( modifierProps ).concat( [ 'screenX', 'screenY', 'clientX', 'clientY', 'button', 'buttons', 'relatedTarget', 'region' ] ),\r\n\tkeyboardEventProps = modifierProps.concat( [ 'key', 'keyCode', 'code', 'charCode', 'which', 'location', 'repeat', 'isComposing' ] ),\r\n\tfocusEventProps = uiEventProps.concat( [ 'relatedTarget' ] ),\r\n\tdefaultProps = {  bubbles: true, cancelable: true, view: window };\r\n\r\nexport function create( eventName: string, props: any = {}, eventType = 'Event' ): Event {\r\n\tlet ev: Event = null;\r\n\tconst ctor = ( typeof eventType === 'function' ) ? eventType : window[ eventType ];\r\n\teventType = ( typeof eventType === 'function' ) ? eventType[ 'name' ] : eventType;\r\n\r\n\tprops = Object.assign( {}, defaultProps, props );\r\n\r\n\ttry {\r\n\t\tif( typeof( ctor ) !== 'undefined' ) {\r\n\t\t\tev = new ctor( eventName, props );\r\n\t\t}\r\n\t} catch( ex ) {}\r\n\r\n\tif( !ev ) {\r\n\t\tif( typeof document.createEvent === 'function' ) {\r\n\t\t\ttry {\r\n\t\t\t\tev = document.createEvent( eventType );\r\n\t\t\t} catch( ex ) {}\r\n\t\t\tif( !ev ) {\r\n\t\t\t\ttry {\r\n\t\t\t\t\tev = document.createEvent( eventType + 's' );\r\n\t\t\t\t} catch( ex ) {}\r\n\t\t\t}\r\n\t\t} else if( typeof document[ 'createEventObject' ] === 'function' ) {\r\n\t\t\tev = document[ 'createEventObject' ]( window.event );\r\n\t\t}\r\n\r\n\t\tif( !ev ) {\r\n\t\t\tev = <any>{};\r\n\t\t}\r\n\t}\r\n\r\n\tinit( ev, eventName, eventType, props );\r\n\r\n\t// HACK for jQuery compatibility\r\n\tif( typeof ev[ 'isPropagationStopped' ] === 'undefined' ) {\r\n\t\tlet isPropagationStopped = false;\r\n\r\n\t\tconst stopPropagation = ev.stopPropagation;\r\n\t\tif( typeof stopPropagation === 'function' ) {\r\n\t\t\tev.stopPropagation = ( ...args ) => {\r\n\t\t\t\tisPropagationStopped = true;\r\n\t\t\t\tstopPropagation.apply( ev, args );\r\n\t\t\t};\r\n\t\t}\r\n\r\n\t\tev[ 'isPropagationStopped' ] = () => isPropagationStopped;\r\n\t}\r\n\r\n\t// HACK for jQuery compatibility\r\n\tif( typeof ev[ 'isImmediatePropagationStopped' ] === 'undefined' ) {\r\n\t\tlet isImmediatePropagationStopped = false;\r\n\r\n\t\tconst stopImmediatePropagation = ev.stopImmediatePropagation;\r\n\t\tif( typeof stopImmediatePropagation === 'function' ) {\r\n\t\t\tev.stopPropagation = ( ...args ) => {\r\n\t\t\t\tisImmediatePropagationStopped = true;\r\n\t\t\t\tstopImmediatePropagation.apply( ev, args );\r\n\t\t\t};\r\n\t\t}\r\n\r\n\t\tev[ 'isImmediatePropagationStopped' ] = () => isImmediatePropagationStopped;\r\n\t}\r\n\r\n\treturn ev;\r\n}\r\n\r\nfunction init( ev: Event, eventName: string, eventType: string, props?: any ) {\r\n\tprops = Object.assign( {}, defaultProps, props );\r\n\r\n\tfunction call( fn: string, ...args ) {\r\n\t\tif( typeof ev[ fn ] === 'function' ) {\r\n\t\t\tev[ fn ].apply( ev, args );\r\n\t\t}\r\n\t}\r\n\r\n\tcall( 'initEvent', eventName, !!props.bubbles, !!props.cancelable );\r\n\r\n\tfor( let i in props ) if( props.hasOwnProperty( i ) ) {\r\n\t\tconst prop = props[ i ];\r\n\t\tif( typeof prop === 'function' || typeof prop === 'undefined' || prop === null ) continue;\r\n\t\ttry {\r\n\t\t\tev[ i ] = props[ i ];\r\n\t\t} catch( ex ) {}\r\n\t}\r\n}\r\n\r\nexport function dispatch( element: HTMLElement, ev: Event, eventName: string ) {\r\n\tif( !element ) throw new Error( 'Element does not exist' );\r\n\r\n\tif( typeof element.dispatchEvent === 'function' ) {\r\n\t\telement.dispatchEvent( ev );\r\n\t} else if( typeof element[ 'fireEvent' ] === 'function' ) {\r\n\t\telement[ 'fireEvent' ]( `on${eventName}`, ev );\r\n\t} else if( typeof element[ 'fireEvent' ] === 'object' ) {\r\n\t\telement[ 'fireEvent' ]( `on${eventName}` );\r\n\t\ttry { (ev as any).target = element; } 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[ e ] : e;\r\n\t\t} else {\r\n\t\t\treturn arrayLike ? [] : null;\r\n\t\t}\r\n\t} else {\r\n\t\treturn arr.map( e => <T><any>createAndDispatch( e, eventName, props, eventType ) );\r\n\t}\r\n}\r\n\r\nfunction events( elements: any, eventName: string, props?: EventInit ): Event|Event[] {\r\n\treturn createAndDispatchMulti<Event, EventInit>( elements, eventName, props, 'Event' );\r\n}\r\n\r\nfunction uiEvents( elements: any, eventName: string, props?: UIEventInit ): Event|UIEvent[] {\r\n\treturn createAndDispatchMulti<UIEvent, UIEventInit>( elements, eventName, props, 'UIEvent' );\r\n}\r\n\r\nfunction focusEvents( elements: any, eventName: string, props?: FocusEventInit ): Event|FocusEvent[] {\r\n\treturn createAndDispatchMulti<FocusEvent, FocusEventInit>( elements, eventName, props, 'FocusEvent' );\r\n}\r\n\r\nfunction keyboardEvents( elements: any, eventName: string, props?: KeyboardEventInit ): Event|KeyboardEvent[] {\r\n\treturn createAndDispatchMulti<KeyboardEvent, KeyboardEventInit>( elements, eventName, props, 'KeyboardEvent' );\r\n}\r\n\r\nfunction mouseEvents( elements: any, eventName: string, props?: MouseEventInit ): Event|MouseEvent[] {\r\n\treturn createAndDispatchMulti<MouseEvent, MouseEventInit>( elements, eventName, props, 'MouseEvent' );\r\n}\r\n\t\r\nfunction getProps( o: Object, props: string[] ) {\r\n\treturn props.reduce( ( rv, propName ) => {\r\n\t\tconst v = o[ propName ];\r\n\t\tif( v !== undefined && v !== null ) {\r\n\t\t\trv[ propName ] = v;\r\n\t\t}\r\n\t\treturn rv;\r\n\t}, {} );\r\n}\r\n\r\nfunction clone<T extends Event, TInit extends EventInit>( ev: T, eventProps: string[], eventType: string ) {\r\n\treturn <T>create( ev.type, getProps( ev, eventProps ), eventType );\r\n}\r\n\r\nfunction cloneAndDispatch<T extends Event, TInit extends EventInit>( element: HTMLElement, ev: T, eventProps: string[], eventType: string ) {\r\n\treturn dispatch( element, clone<T, TInit>( ev, eventProps, eventType ), ev.type || ev[ 'eventType' ] );\r\n}\r\n\r\nfunction cloneAndDispatchMulti<T extends Event, TInit extends EventInit>( elements: any, ev: T, eventProps: string[], eventType?: string ): T|T[] {\r\n\treturn createAndDispatchMulti<T, TInit>( elements, ev.type, <TInit>getProps( ev, eventProps ), eventType );\r\n}\r\n\r\nfunction cloneEventImpl<T extends Event, TInit extends EventInit>( elements: any, ev: T, eventProps: string[], eventType?: string ) {\r\n\tif( ev ) {\r\n\t\treturn cloneAndDispatchMulti<T, TInit>( elements, ev, eventProps, eventType );\r\n\t} else {\r\n\t\tev = <any>elements;\r\n\t\treturn clone<T, TInit>( ev, eventProps, eventType );\r\n\t}\r\n}\r\n\r\nexport function cloneMouseEvent( elements: any, ev: MouseEvent ) {\r\n\treturn cloneEventImpl( elements, ev, mouseEventProps, 'MouseEvent' );\r\n}\r\n\r\nexport function cloneFocusEvent( elements: any, ev: FocusEvent ) {\r\n\treturn cloneEventImpl( elements, ev, focusEventProps, 'FocusEvent' );\r\n}\r\n\r\nexport function cloneKeyboardEvent( elements: any, ev: KeyboardEvent ) {\r\n\treturn cloneEventImpl( elements, ev, keyboardEventProps, 'KeyboardEvent' );\r\n}\r\n\r\nexport function cloneUiEvent( elements: any, ev: UIEvent ) {\r\n\treturn cloneEventImpl( elements, ev, uiEventProps, 'UIEvent' );\r\n}\r\n\r\nexport function cloneEvent( elements: any, ev: Event ) {\r\n\treturn cloneEventImpl( elements, ev, eventProps, 'Event' );\r\n}\r\n\r\nexport function contextmenu( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'contextmenu', props );\r\n}\r\n\r\nexport function click( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'click', props );\r\n}\r\n\r\nexport function dblclick( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'dblclick', props );\r\n}\r\n\r\nexport function mousedown( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mousedown', props );\r\n}\r\n\r\nexport function mouseenter( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mouseenter', props );\r\n}\r\n\r\nexport function mouseleave( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mouseleave', props );\r\n}\r\n\r\nexport function mousemove( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mousemove', props );\r\n}\r\n\r\nexport function mouseover( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mouseover', props );\r\n}\r\n\r\nexport function mouseout( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mouseout', props );\r\n}\r\n\r\nexport function mouseup( elements: any, props?: MouseEventInit ) {\r\n\treturn mouseEvents( elements, 'mouseup', props );\r\n}\r\n\r\nexport function focus( elements: any, props?: FocusEventInit ) {\r\n\treturn focusEvents( elements, 'focus', props );\r\n}\r\n\r\nexport function blur( elements: any, props?: FocusEventInit ) {\r\n\treturn focusEvents( elements, 'blur', props );\r\n}\r\n\r\nexport function focusin( elements: any, props?: FocusEventInit ) {\r\n\treturn focusEvents( elements, 'focusin', props );\r\n}\r\n\r\nexport function focusout( elements: any, props?: FocusEventInit ) {\r\n\treturn focusEvents( elements, 'focusout', props );\r\n}\r\n\r\nexport function keydown( elements: any, props?: KeyboardEventInit ) {\r\n\treturn keyboardEvents( elements, 'keydown', props );\r\n}\r\n\r\nexport function keyup( elements: any, props?: KeyboardEventInit ) {\r\n\treturn keyboardEvents( elements, 'keyup', props );\r\n}\r\n\r\nexport function keypress( elements: any, props?: KeyboardEventInit ) {\r\n\treturn keyboardEvents( elements, 'keypress', props );\r\n}\r\n\r\nexport function resize( elements: any, props?: UIEventInit ) {\r\n\treturn uiEvents( elements, 'resize', props );\r\n}\r\n\r\nexport function scroll( elements: any, props?: UIEventInit ) {\r\n\treturn uiEvents( elements, 'scroll', props );\r\n}\r\n\r\nexport function abort( elements: any, props?: EventInit ) {\r\n\treturn events( elements, 'abort', props );\r\n}\r\n\r\nexport function error( elements: any, props?: EventInit ) {\r\n\treturn events( elements, 'error', props );\r\n}\r\n\r\nexport function load( elements: any, props?: EventInit ) {\r\n\treturn events( elements, 'load', props );\r\n}\r\n\r\nexport function unload( elements: any, props?: EventInit ) {\r\n\treturn events( elements, 'unload', props );\r\n}\r\n\r\nexport function select( elements: any, props?: EventInit ) {\r\n\treturn events( elements, 'select', props );\r\n}\r\n\r\nexport function submit( elements: any, props?: EventInit ) {\r\n\treturn events( elements, 'submit', props );\r\n}\r\n"]}