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ng-table-virtual-scroll
Advanced tools
An Angular Directive, which allow to use virtual scrolling in mat-table
NPM
$ npm install -save ng-table-virtual-scroll
Version compatibility
Angular version | Library version |
---|---|
>= 15 | latest |
13 - 14 | 1.5.* |
<= 12 | 1.3.* |
TableVirtualScrollModule
import { TableVirtualScrollModule } from 'ng-table-virtual-scroll';
@NgModule({
imports: [
// ...
TableVirtualScrollModule
]
})
export class AppModule { }
Note: you need to install and configure virtual scrolling (ScrollingModule) and mat-table (MatTableModule) before. TableVirtualScroll only make them work together properly
The TableVirtualScrollDataSource
extends the MatTableDataSource
and must be
used as the data source for the mat-table
(CdkTableVirtualScrollDataSource
for cdk-table
)
Note: without TableVirtualScrollDataSource
the directive won't work
import { TableVirtualScrollDataSource } from 'ng-table-virtual-scroll';
@Component({...})
export class MyComponent {
dataSource = new TableVirtualScrollDataSource();
}
The tvsItemSize
directive makes the magic
<cdk-virtual-scroll-viewport tvsItemSize="48" headerHeight="56" style="height: 400px;">
<table mat-table [dataSource]="dataSource">
...
</table>
</cdk-virtual-scroll-viewport>
Make sure, you set the height to the <cdk-virtual-scroll-viewport>
container
Also, you can provide additional properties:
tvsItemSize
-> the row height in px (default: 48)
headerHeight
-> the header row height in px (default: 56)
footerHeight
-> the footer row height in px (default: 48)
headerEnabled
-> is the header row in the table (default: true)
footerEnabled
-> is the footer row in the table (default: false)
bufferMultiplier
-> the size of rendered buffer. The bufferMultiplier * visibleRowsCount
number of rows will be rendered before and after visible part of the table.
cdk-table
from CdkTableModule
is also supported. Just use CdkTableVirtualScrollDataSource
as datasource
If you identify any errors in the library, or have an idea for an improvement, please open an issue.
FAQs
Virtual scroll for for Angular Material Table
We found that ng-table-virtual-scroll demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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