To help you get started, we've collected the most common ways that @material/linear-progress is being used within popular public projects.

angular / components / src / material-experimental / mdc-progress-bar / progress-bar.ts View on Github

ngAfterViewInit() {
    const element = this._elementRef.nativeElement;

    this._rootElement = element.querySelector('.mdc-linear-progress') as HTMLElement;
    this._primaryBar = element.querySelector('.mdc-linear-progress__primary-bar') as HTMLElement;
    this._bufferBar = element.querySelector('.mdc-linear-progress__buffer') as HTMLElement;

    this._foundation = new MDCLinearProgressFoundation(this._adapter);
    this._foundation.init();
    this._syncFoundation();

    if (!this._isNoopAnimation) {
      // Run outside angular so change detection didn't get triggered on every transition end
      // instead only on the animation that we care about (primary value bar's transitionend)
      this._ngZone.runOutsideAngular((() => {
        this._animationEndSubscription =
            (fromEvent(this._primaryBar, 'transitionend') as Observable)
              .pipe(filter(((e: TransitionEvent) => e.target === this._primaryBar)))
              .subscribe(() => this._ngZone.run(() => this._emitAnimationEnd()));
      }));
    }
  }

View more ways to use @material/linear-progress

Linear Progress

The MDC Linear Progress component is a spec-aligned linear progress indicator component adhering to the Material Design progress & activity requirements.

Design & API Documentation

• Guidelines
• Demo

Installation

npm install @material/linear-progress

Basic Usage

HTML Structure

<div aria-valuenow="0" aria-valuemax="1" aria-valuemin="0" aria-label="Example Progress Bar" class="mdc-linear-progress" role="progressbar">
  <div class="mdc-linear-progress__buffer">
    <div class="mdc-linear-progress__buffer-bar"></div>
    <div class="mdc-linear-progress__buffer-dots"></div>
  </div>
  <div class="mdc-linear-progress__bar mdc-linear-progress__primary-bar">
    <span class="mdc-linear-progress__bar-inner"></span>
  </div>
  <div class="mdc-linear-progress__bar mdc-linear-progress__secondary-bar">
    <span class="mdc-linear-progress__bar-inner"></span>
  </div>
</div>

Accessibility

Progress bars conform to the WAI-ARIA Progressbar Specification. The supported ARIA attributes for this progress bar are:

Note that aria-label, aria-valuemin, and aria-valuemax are static and must be configured in the HTML. aria-valuenow is updated dynamically by the foundation when the progress value is updated in determinate progress bars.

RTL Localization

The direction of the progress bar follows the dir attribute on its nearest ancestor. For example, setting dir="rtl" on the progress root reverses the direction of the indicator. Where multiple dir attributes are specified in the tree, the one on the progress bar root takes precedence.

Styles

@use "@material/linear-progress";

@include linear-progress.core-styles;

JavaScript Instantiation

import { MDCLinearProgress } from '@material/linear-progress';

const linearProgress = new MDCLinearProgress(document.querySelector('.mdc-linear-progress'));

> See Importing the JS component for more information on how to import JavaScript.

CSS Modifiers

The provided modifiers are:

Sass Mixins

Using the Foundation Class

MDC Linear Progress ships with an MDCLinearProgressFoundation class that external frameworks and libraries can use to integrate the component. As with all foundation classes, an adapter object must be provided. The adapter for linear progress must provide the following functions, with correct signatures:

MDCLinearProgressFoundation API

MDC Linear Progress Foundation exposes the following methods:

MDCLinearProgress API

MDC Linear Progress exposes the following methods: