@hxui/angular/esm5/lib/utils/triggers.js

This README includes the steps that are necessary to import the HxUi-angular into a project or to contribute with development.

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */
import { Trigger } from './trigger.class';
var /** @type {?} */ DEFAULT_ALIASES = {
    hover: ['mouseenter', 'mouseleave'],
    focus: ['focusin', 'focusout']
};
/**
 * @param {?} triggers
 * @param {?=} aliases
 * @return {?}
 */
export function parseTriggers(triggers, aliases) {
    if (aliases === void 0) { aliases = DEFAULT_ALIASES; }
    var /** @type {?} */ trimmedTriggers = (triggers || '').trim();
    if (trimmedTriggers.length === 0) {
        return [];
    }
    var /** @type {?} */ parsedTriggers = trimmedTriggers.split(/\s+/)
        .map(function (trigger) { return trigger.split(':'); })
        .map(function (triggerPair) {
        var /** @type {?} */ alias = aliases[triggerPair[0]] || triggerPair;
        return new Trigger(alias[0], alias[1]);
    });
    var /** @type {?} */ manualTriggers = parsedTriggers
        .filter(function (triggerPair) { return triggerPair.isManual(); });
    if (manualTriggers.length > 1) {
        throw new Error('Triggers parse error: only one manual trigger is allowed');
    }
    if (manualTriggers.length === 1 && parsedTriggers.length > 1) {
        throw new Error('Triggers parse error: manual trigger can\'t be mixed with other triggers');
    }
    return parsedTriggers;
}
/**
 * @param {?} renderer
 * @param {?} target
 * @param {?} triggers
 * @param {?} showFn
 * @param {?} hideFn
 * @param {?} toggleFn
 * @return {?}
 */
export function listenToTriggers(renderer, target, triggers, showFn, hideFn, toggleFn) {
    var /** @type {?} */ parsedTriggers = parseTriggers(triggers);
    var /** @type {?} */ listeners = [];
    if (parsedTriggers.length === 1 && parsedTriggers[0].isManual()) {
        return Function.prototype;
    }
    parsedTriggers.forEach(function (trigger) {
        if (trigger.open === trigger.close) {
            listeners.push(renderer.listen(target, trigger.open, toggleFn));
            return;
        }
        listeners.push(renderer.listen(target, /** @type {?} */ (trigger.open), showFn), renderer.listen(target, /** @type {?} */ (trigger.close), hideFn));
    });
    return function () { listeners.forEach(function (unsubscribeFn) { return (unsubscribeFn()); }); };
}

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