@exadel/esl
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Exadel Smart Library (ESL) is the lightweight custom elements library that provide a set of super-flexible components
44 lines (43 loc) • 2.06 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { ExportNs } from '../../../esl-utils/environment/export-ns';
import { ESLCarouselPlugin } from '../esl-carousel.plugin';
import { listen } from '../../../esl-utils/decorators';
import { ARROW_DOWN, ARROW_LEFT, ARROW_RIGHT, ARROW_UP } from '../../../esl-utils/dom/keys';
/**
* {@link ESLCarousel} Keyboard arrow support
*
* @author Alexey Stsefanovich (ala'n)
*/
let ESLCarouselKeyboardMixin = class ESLCarouselKeyboardMixin extends ESLCarouselPlugin {
/** @returns key code for next navigation */
get nextKey() {
return this.$host.config.vertical ? ARROW_DOWN : ARROW_RIGHT;
}
/** @returns key code for prev navigation */
get prevKey() {
return this.$host.config.vertical ? ARROW_UP : ARROW_LEFT;
}
/** Handles `keydown` event */
_onKeydown(event) {
if (!this.$host || this.$host.animating || this.config.command === 'none')
return;
if (event.key === this.nextKey)
this.$host.goTo(`${this.config.command || 'slide'}:next`);
if (event.key === this.prevKey)
this.$host.goTo(`${this.config.command || 'slide'}:prev`);
}
};
ESLCarouselKeyboardMixin.is = 'esl-carousel-keyboard';
ESLCarouselKeyboardMixin.DEFAULT_CONFIG_KEY = 'command';
__decorate([
listen('keydown')
], ESLCarouselKeyboardMixin.prototype, "_onKeydown", null);
ESLCarouselKeyboardMixin = __decorate([
ExportNs('Carousel.Keyboard')
], ESLCarouselKeyboardMixin);
export { ESLCarouselKeyboardMixin };