ngx-media-query-watcher

ngx-media-query-watcher

An angular directive to easy listen and handle on media query changes.

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Installation

• npm install ngx-media-query-watcher
• install @angular/core, @angular/platform-browser and rxjs - they are peer dependencies

For standard webpack, angular-cli and tsc builds

• import MediaQueryWatcherModule from ngx-media-query-watcher:

import { MediaQueryWatcherModule } from 'ngx-media-query-watcher'

• add MediaQueryWatcherModule to the imports of your NgModule:

@NgModule({
  imports: [
    ...,

    MediaQueryWatcherModule
  ],
  ...
})
class YourModule { ... }

• use <divmedia-query-watcher query="(min-width: 992px)" (mediaMatchChanged)="handleChange($event)"></div> in your templates to listen on a media query and handle a media query change.

For SystemJS builds (Config)

• add ngx-media-query-watcher to your paths:

paths: {
  ...
  'ngx-media-query-watcher': 'node_modules/ngx-media-query-watcher/bundles/ngx-media-query-watcher.umd.js'
}

• set format and dependencies in packages:

packages: {
  'ngx-media-query-watcher': {
    format: 'cjs'
  }
}

• follow the steps of For standard webpack and tsc builds

MediaQueryWatcher Directive

Usage

• selector: media-query-watcher - add it as attribute to a html-tag
• property/input: query - pass a css media query here
• output: mediaMatchChanged - get notified when a media query matchs or not

Example

<div
  media-query-watcher
  query="(min-width: 992px)"
  (mediaMatchChanged)="handleChange($event)"
>
  <p>hello</p>
</div>

class MyComponent {
  handleChange(match: boolean) {
    // handle match
  }
}