@nebular/theme
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@nebular/theme
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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;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from '@angular/core';
import { NavigationEnd, Router } from '@angular/router';
import { filter, pairwise, startWith, map } from 'rxjs/operators';
import { getPathPartOfUrl } from '../menu/url-matching-helpers';
/**
* This service determines whether we should scroll the layout back to top.
* This occurs when the page is changed, so when current url PATH is not equal to the previous one.
*
* TODO: this is most likely a temporary solutions as recently Angular introduces ViewportScroll
* and scroll restoration process
*/
var NbRestoreScrollTopHelper = /** @class */ (function () {
function NbRestoreScrollTopHelper(router) {
this.router = router;
}
NbRestoreScrollTopHelper.prototype.shouldRestore = function () {
var _this = this;
return this.router.events
.pipe(startWith(null), filter(function (event) { return event === null || event instanceof NavigationEnd; }), pairwise(), map(function (_a) {
var prev = _a[0], current = _a[1];
return _this.pageChanged(prev, current);
}), filter(function (res) { return !!res; }));
};
NbRestoreScrollTopHelper.prototype.pageChanged = function (prev, current) {
return !prev || getPathPartOfUrl(prev.url) !== getPathPartOfUrl(current.url);
};
NbRestoreScrollTopHelper = __decorate([
Injectable(),
__metadata("design:paramtypes", [Router])
], NbRestoreScrollTopHelper);
return NbRestoreScrollTopHelper;
}());
export { NbRestoreScrollTopHelper };
//# sourceMappingURL=restore-scroll-top.service.js.map