ngx-lazy-scroll/fesm2015/ngx-lazy-scroll.js

A simple lazy loading directive for large form elements. This will increase DOM rendering speed.

import { Directive, HostListener, Input, Output, EventEmitter, NgModule } from '@angular/core';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class NgxLazyScrollDirective {
    constructor() {
        this.limit = 1;
        this.heightAdjust = '0';
        this.stepEvent = new EventEmitter();
    }
    /**
     * @param {?} event
     * @return {?}
     */
    scrollHandler(event) {
        /** @type {?} */
        const tracker = event.target;
        /** @type {?} */
        const limit = tracker.scrollHeight + Number(this.heightAdjust);
        if (Number(tracker.offsetHeight) + Number(tracker.scrollTop) > limit) {
            this.limit++;
            this.stepEvent.emit(this.limit);
        }
    }
}
NgxLazyScrollDirective.decorators = [
    { type: Directive, args: [{
                selector: '[lazyScroll]'
            },] }
];
NgxLazyScrollDirective.propDecorators = {
    limit: [{ type: Input }],
    heightAdjust: [{ type: Input }],
    stepEvent: [{ type: Output }],
    scrollHandler: [{ type: HostListener, args: ['scroll', ['$event'],] }]
};

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class NgxLazyScrollModule {
}
NgxLazyScrollModule.decorators = [
    { type: NgModule, args: [{
                declarations: [NgxLazyScrollDirective],
                imports: [],
                exports: [NgxLazyScrollDirective]
            },] }
];

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */

export { NgxLazyScrollDirective, NgxLazyScrollModule };

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