ngx-free-fullpage/esm5/lib/ngx-fullpage.service.js

ngx-free-fullpage is a free-for-profit angular library that gives you all the tools you need to implement a fullpage scroll effect. This library hasn't been developed in order to substitute the current ngx-fullpage, this library is an alternative for thos

import { __decorate } from "tslib";
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
var NgxFullpageService = /** @class */ (function () {
    function NgxFullpageService() {
        var _this = this;
        this.section = 0;
        this.scrollHeight = 0;
        this.goNext = function () { return (_this.scroll(1)); };
        this.goPrev = function () { return (_this.scroll(-1)); };
        this.goTo = function (section) { return (_this.scroll(section - _this.section)); };
        this.adjustSection = function (section) { return _this.setNumberInRange(section, 0, _this.sectionsNumber - 1); };
    }
    NgxFullpageService.prototype.addWrapper = function (wrapper, section) {
        if (this.wrapper)
            throw new Error('There is already a wrapper defined');
        this.wrapper = wrapper;
        if (section > 0)
            this.goTo(section);
    };
    NgxFullpageService.prototype.scroll = function (direction) {
        this.sectionsNumber = (this.wrapper.nativeElement.scrollHeight / this.wrapper.nativeElement.offsetHeight);
        this.scrollHeight += direction * this.wrapper.nativeElement.offsetHeight;
        this.scrollHeight = this.adjustScroll(this.scrollHeight);
        this.wrapper.nativeElement.scroll({ top: this.scrollHeight });
        this.section = this.adjustSection(Math.round(this.scrollHeight / this.wrapper.nativeElement.offsetHeight));
    };
    NgxFullpageService.prototype.goLast = function () {
        this.sectionsNumber = this.sectionsNumber || (this.wrapper.nativeElement.scrollHeight / this.wrapper.nativeElement.offsetHeight);
        this.goTo(this.sectionsNumber - 1);
    };
    NgxFullpageService.prototype.adjustScroll = function (scroll) {
        var maxScroll = (this.sectionsNumber - 1) * this.wrapper.nativeElement.offsetHeight;
        return this.setNumberInRange(scroll, 0, maxScroll);
    };
    NgxFullpageService.prototype.setNumberInRange = function (n, min, max) {
        return Math.min(Math.max(n, min), max);
    };
    NgxFullpageService.ɵprov = i0.ɵɵdefineInjectable({ factory: function NgxFullpageService_Factory() { return new NgxFullpageService(); }, token: NgxFullpageService, providedIn: "root" });
    NgxFullpageService = __decorate([
        Injectable({
            providedIn: 'root'
        })
    ], NgxFullpageService);
    return NgxFullpageService;
}());
export { NgxFullpageService };
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Uoc2Nyb2xsLCAwLCBtYXhTY3JvbGwpO1xuICB9XG4gIFxuICBcbiAgcHJpdmF0ZSBzZXROdW1iZXJJblJhbmdlKG4gOiBudW1iZXIsIG1pbiA6IG51bWJlciwgbWF4IDogbnVtYmVyKSB7XG4gICAgcmV0dXJuIE1hdGgubWluKE1hdGgubWF4KG4sIG1pbiksIG1heCk7XG4gIH1cblxufVxuIl19