81 lines
2.3 KiB
TypeScript
81 lines
2.3 KiB
TypeScript
const Event = window.Event || null;
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interface DispatchedEventProperties {
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// Whether the event bubbles.
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bubbles?: boolean;
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// Whether the event is cancelable.
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cancelable?: boolean;
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// Element that dispatches the event. By default, the body.
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element?: HTMLElement;
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}
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/**
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* Wrapper function to dispatch an event so it's compatible with IE11.
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*/
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export const dispatchEvent = (
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name: string,
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{ bubbles = false, cancelable = false, element }: DispatchedEventProperties
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): void => {
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if ( ! element ) {
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element = document.body;
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}
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// In IE, Event is an object and can't be instantiated with `new Event()`.
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if ( typeof Event === 'function' ) {
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const event = new Event( name, {
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bubbles,
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cancelable,
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} );
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element.dispatchEvent( event );
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} else {
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const event = document.createEvent( 'Event' );
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event.initEvent( name, bubbles, cancelable );
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element.dispatchEvent( event );
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}
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};
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let fragmentRequestTimeoutId: ReturnType< typeof setTimeout >;
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// This is a hack to trigger cart updates till we migrate to block based cart
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// that relies on the store, see
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// https://github.com/woocommerce/woocommerce-gutenberg-products-block/issues/1247
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export const triggerFragmentRefresh = (): void => {
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if ( fragmentRequestTimeoutId ) {
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clearTimeout( fragmentRequestTimeoutId );
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}
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fragmentRequestTimeoutId = setTimeout( () => {
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dispatchEvent( 'wc_fragment_refresh', {
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bubbles: true,
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cancelable: true,
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} );
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}, 50 );
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};
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/**
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* Function that listens to a jQuery event and dispatches a native JS event.
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* Useful to convert WC Core events into events that can be read by blocks.
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*
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* Returns a function to remove the jQuery event handler. Ideally it should be
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* used when the component is unmounted.
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*/
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export const translateJQueryEventToNative = (
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// Name of the jQuery event to listen to.
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jQueryEventName: string,
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// Name of the native event to dispatch.
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nativeEventName: string,
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// Whether the event bubbles.
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bubbles = false,
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// Whether the event is cancelable.
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cancelable = false
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): ( () => void ) => {
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if ( typeof jQuery !== 'function' ) {
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return () => void null;
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}
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const eventDispatcher = () => {
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dispatchEvent( nativeEventName, { bubbles, cancelable } );
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};
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jQuery( document ).on( jQueryEventName, eventDispatcher );
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return () => jQuery( document ).off( jQueryEventName, eventDispatcher );
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};
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