Version 7 of Angular — CLI Prompts, Virtual Scroll, Drag and Drop and more
The 7.0.0 release of Angular is here! This is a major release spanning the entire platform, including the core framework, Angular Material, and the CLI with synchronized major versions. This release contains new features for our tool chain, and has enabled several major partner launches.
Scrolling can improve the performance of applications
How to update to v7
Visit update.angular.io for detailed information and guidance on updating your application, but thanks to the work we did in v6, updating to v7 should be one command for most developers:
ng update @angular/cli @angular/core
Early adopters of v7 have reported that this update is faster than ever, and many apps take less than 10 minutes to update.
CLI Prompts
The CLI will now prompt users when running common commands like ng new or ng add @angular/material to help you discover built-in features like routing or SCSS support.
CLI Prompts have been added to Schematics, so any package publishing Schematics can take advantage of them by adding an x-prompt key to a Schematics collection.
"routing": {
"type": "boolean",
"description": "Generates a routing module.",
"default": false,
"x-prompt": "Would you like to add Angular routing?"
},
Angular Material & the CDK
Material Design received a big update in 2018. Angular Material users updating to v7 should expect minor visual differences reflecting the updates to the Material Design specification.
The Material Design Refresh includes small changes developers should be aware of
Newly added to the CDK, you can now take advantage of Virtual Scrolling and Drag and Drop by importing the DragDropModule or the ScrollingModule.
Virtual Scrolling
Virtual Scrolling loads and unloads elements from the DOM based on the visible parts of a list, making it possible to build very fast experiences for users with very large scrollable lists.
<cdk-virtual-scroll-viewport itemSize="50" class="example-viewport">
<div *cdkVirtualFor="let item of items" class="example-item">{{item}}</div>
</cdk-virtual-scroll-viewport>
Drag and drop support is now in the CDK and includes automatic rendering as the user moves items and helper methods for reordering lists (moveItemInArray) and transferring items between lists (transferArrayItem).
<div cdkDropList class="list" (cdkDropListDropped)="drop($event)">
<div class="box" *ngFor="let movie of movies" cdkDrag>{{movie}}</div>
</div>
Improve the accessibility of your application by using a native select element inside of a mat-form-field. The native select has some performance, accessibility, and usability advantages, but we’re keeping mat-select which gives full control of the presentation of options.
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