ngx-smooth-scroll

Smooth scroll for Angular13+. Demo

Getting Started

You can install @boatzako/ngx-smooth-scroll by using npm.

npm install @boatzako/ngx-smooth-scroll --save

Once installed you need to import our main module:

This module provides one directive and one service.

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';

import { NgxSmoothScrollModule } from '@boatzako/ngx-smooth-scroll'; // <-- add

@NgModule({
  imports: [
    BrowserModule, 
    NgxSmoothScrollModule  // <-- add
  ],
  declarations: [ 
    AppComponent,
  ],
  bootstrap: [ AppComponent ]
})
export class AppModule { }

Usage - Service

import service to component

import { Component, OnInit } from '@angular/core';
import { SmoothScrollService, ISmoothScrollOption } from '@boatzako/ngx-smooth-scroll';

@Component({
  ...
})
export class AppComponent implements OnInit{

  constructor(private smooth: SmoothScrollService) { }

  ngOnInit() {
    this.smooth.smoothScrollToAnchor();
  }
  
  goTop(){
    this.smooth.smoothScrollToTop({ duration: 1000, easing: 'linear' });
  }
}

Methods

smoothScroll

smoothScroll( height [, ISmoothScrollOption] [, HTMLElement] )
Smooth scroll according to the height.

smoothScrollToTop

smoothScrollToTop( [ISmoothScrollOption] [, HTMLElement] )
Smooth scroll to top page.

smoothScrollToAnchor

smoothScrollToAnchor( [ISmoothScrollOption] [, HTMLElement] )
Smooth scroll to the anchor.

ISmoothScrollOption

For set duration, easing function, and offset

let option1 = { duration: 500 };
let option2 = { duration: 1000, easing: 'easeOutQuart'};
let option3 = { easing: 'linear'};
let option4 = { duration: 700, easing: 'easeInCubic', offset: -50 };

// this.smooth.smoothScrollToTop(option1);
// this.smooth.smoothScrollToAnchor(option2);

Usage - Directive

SmoothScroll
Scroll the window to the specified element ID or hash when clicking the element.

import { Component, OnInit } from '@angular/core';

@Component({  
  ...
  template: `
    <div id="div1">
      <a href="#div2" SmoothScroll [showHash]="true">Click!!</a>
    </div>
    <div id="div2" SmoothScroll [scrollTo]="'div1'" [duration]="500">
      <h1>Click me</h1>
    </div>
  `,
  ...
})
export class AppComponent{
	...
}

Options

[scrollTo]

type: string
default: null
ID of the element in document.

[duration]

type: number
default: 800
The duration of the smooth scroll, in milliseconds.

[easing]

type: enum
default: easeInOutQuad
The easing function to be used for this scroll.

Easing functions from - https://gist.github.com/gre/1650294

• 'linear'
• 'easeInQuad'
• 'easeOutQuad'
• 'easeInOutQuad'
• 'easeInCubic'
• 'easeOutCubic'
• 'easeInOutCubic'
• 'easeInQuart'
• 'easeOutQuart'
• 'easeInOutQuart'
• 'easeInQuint'
• 'easeOutQuint'
• 'easeInOutQuint'

[offset]

type: number
default: 0
scroll additional px ( like padding )

[showHash]

type: boolean
default: false
Set true for show hash on URL

[container]

type: HTMLElement
default: document.documentElement
Set element which need to scroll

Authors

• BoatZako ([email protected])

License

This project is licensed under the MIT License - see the LICENSE file for details

Support