@offensichtbar-codestock/ngx-flex-masonry-grid/esm2015/lib/ngx-flex-masonry-grid.service.js

Angular Module for displaying items in a flex-based masonry layout without any third party dependencies

import { Injectable } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export class NgxFlexMasonryGridService {
    constructor() {
        this._imageobserved = new Subject();
        this.imageobserved = this._imageobserved.asObservable();
        this._layoutshouldbeupdated = new Subject();
        this.layoutshouldbeupdated = this._layoutshouldbeupdated.asObservable();
        this._itemremoved = new Subject();
        this.itemremoved = this._itemremoved.asObservable();
        this._allitemsloaded = new Subject();
        this.allitemsloaded = this._allitemsloaded.asObservable();
        this._loaded_items = [];
    }
    get loadeditems() {
        return this._loaded_items;
    }
    observeimage(values) {
        const itemwithmaxheight = values.reduce((max, obj) => (max.height > obj.height) ? max : obj);
        this._imageobserved.next(itemwithmaxheight);
    }
    addItem(item, countallitems) {
        this._loaded_items = [...this._loaded_items, item];
        this._layoutshouldbeupdated.next(item);
        if (this._loaded_items.length === countallitems) {
            this._allitemsloaded.next();
        }
    }
    removeItem(item) {
        const index = this._loaded_items.findIndex(griditem => Object.is(griditem, item));
        this._itemremoved.next(this._loaded_items[index]);
        this._loaded_items = [
            ...this._loaded_items.slice(0, index),
            ...this._loaded_items.slice(index + 1, this._loaded_items.length)
        ];
    }
    clearStack() {
        this._loaded_items = [];
    }
}
NgxFlexMasonryGridService.ɵprov = i0.ɵɵdefineInjectable({ factory: function NgxFlexMasonryGridService_Factory() { return new NgxFlexMasonryGridService(); }, token: NgxFlexMasonryGridService, providedIn: "root" });
NgxFlexMasonryGridService.decorators = [
    { type: Injectable, args: [{
                providedIn: 'root'
            },] }
];
NgxFlexMasonryGridService.ctorParameters = () => [];
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