@@ -10,70 +10,70 @@ log.disable()
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export default class EventTarget {
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- listeners : any ;
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+ listeners : any ;
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- constructor ( ) {
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- log . info ( 'constructor called' )
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- this . listeners = { }
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- }
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-
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- /**
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- * Add an event listener to given event type
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- * @param {string } type Event type string
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- * @param {(Event) => void } cb Event handler function
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- */
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- addEventListener ( type :string , cb : ( ) = > void ) {
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- log . info ( 'add event listener' , type , cb )
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- if ( ! ( type in this . listeners ) ) {
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- this . listeners [ type ] = [ ]
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+ constructor ( ) {
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+ log . info ( 'constructor called' )
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+ this . listeners = { }
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}
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- this . listeners [ type ] . push ( cb )
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- }
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- /**
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- * Remove an event listener
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- * @param {string } type Type of the event listener
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- * @param {()=>void } cb Event listener function.
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- * @return {[type] } [description]
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- */
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- removeEventListener ( type :string , cb :( ) = > void ) {
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- log . info ( 'remove event listener' , type , cb )
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- if ( ! ( type in this . listeners ) )
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- return
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- let handlers = this . listeners [ type ]
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- for ( let i in handlers ) {
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- if ( cb === handlers [ i ] ) {
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- handlers . splice ( i , 1 )
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- return this . removeEventListener ( type , cb )
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- }
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+ /**
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+ * Add an event listener to given event type
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+ * @param {string } type Event type string
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+ * @param {(Event) => void } cb Event handler function
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+ */
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+ addEventListener ( type : string , cb : ( ) = > void ) {
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+ log . info ( 'add event listener' , type , cb )
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+ if ( ! ( type in this . listeners ) ) {
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+ this . listeners [ type ] = [ ]
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+ }
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+ this . listeners [ type ] . push ( cb )
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}
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- }
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- /**
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- * Dispatch an event
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- * @param {string } type Event type.
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- * @param {Event } event Event data payload.
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- */
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- dispatchEvent ( type :string , event :Event ) {
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- log . info ( 'dispatch event' , event )
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- if ( ! ( type in this . listeners ) )
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- return
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- let handlers = this . listeners [ type ]
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- for ( let i in handlers ) {
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- handlers [ i ] . call ( this , event )
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+ /**
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+ * Remove an event listener
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+ * @param {string } type Type of the event listener
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+ * @param {()=>void } cb Event listener function.
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+ * @return {[type] } [description]
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+ */
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+ removeEventListener ( type : string , cb : ( ) = > void ) {
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+ log . info ( 'remove event listener' , type , cb )
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+ if ( ! ( type in this . listeners ) )
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+ return
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+ let handlers = this . listeners [ type ]
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+ for ( let i in handlers ) {
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+ if ( cb === handlers [ i ] ) {
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+ handlers . splice ( i , 1 )
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+ return this . removeEventListener ( type , cb )
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+ }
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+ }
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}
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- }
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+ /**
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+ * Dispatch an event
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+ * @param {string } type Event type.
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+ * @param {Event } event Event data payload.
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+ */
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+ dispatchEvent ( type : string , event : Event ) {
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+ log . info ( 'dispatch event' , event )
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+ if ( ! ( type in this . listeners ) )
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+ return
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+ let handlers = this . listeners [ type ]
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+ for ( let i in handlers ) {
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+ handlers [ i ] . call ( this , event )
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+ }
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+
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+ }
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- /**
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- * Remove all registered listeners from this object.
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- * @nonstandard
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- * @return {[type] } [description]
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- */
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- clearEventListeners ( ) {
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- for ( let i in this . listeners ) {
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- delete this . listeners [ i ]
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+ /**
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+ * Remove all registered listeners from this object.
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+ * @nonstandard
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+ * @return {[type] } [description]
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+ */
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+ clearEventListeners ( ) {
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+ for ( let i in this . listeners ) {
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+ delete this . listeners [ i ]
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+ }
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}
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- }
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}
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