@datorama/akita
Version:
State Management Tailored-Made for JS Applications
51 lines • 5.53 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { isNil } from './isNil';
import { isObject } from './isObject';
import { isArray } from './isArray';
// @internal
/**
* @param {?} idOrOptions
* @param {?} ids
* @param {?} currentActive
* @return {?}
*/
export function getActiveEntities(idOrOptions, ids, currentActive) {
/** @type {?} */
var result;
if (isArray(idOrOptions)) {
result = idOrOptions;
}
else {
if (isObject(idOrOptions)) {
if (isNil(currentActive))
return;
((/** @type {?} */ (idOrOptions))) = Object.assign({ wrap: true }, idOrOptions);
/** @type {?} */
var currentIdIndex = ids.indexOf((/** @type {?} */ (currentActive)));
if (((/** @type {?} */ (idOrOptions))).prev) {
/** @type {?} */
var isFirst = currentIdIndex === 0;
if (isFirst && !((/** @type {?} */ (idOrOptions))).wrap)
return;
result = isFirst ? ids[ids.length - 1] : ((/** @type {?} */ (ids[currentIdIndex - 1])));
}
else if (((/** @type {?} */ (idOrOptions))).next) {
/** @type {?} */
var isLast = ids.length === currentIdIndex + 1;
if (isLast && !((/** @type {?} */ (idOrOptions))).wrap)
return;
result = isLast ? ids[0] : ((/** @type {?} */ (ids[currentIdIndex + 1])));
}
}
else {
if (idOrOptions === currentActive)
return;
result = (/** @type {?} */ (idOrOptions));
}
}
return result;
}
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