@ng-web-apis/screen-orientation/esm2022/screen.service.mjs

A library for declarative use of screen orientation with Angular

import { inject, Injectable } from '@angular/core';
import { WA_WINDOW } from '@ng-web-apis/common';
import { fromEvent, map, Observable, shareReplay, startWith } from 'rxjs';
import * as i0 from "@angular/core";
class ScreenOrientationService extends Observable {
    win = inject(WA_WINDOW);
    stream$ = (this.isModern
        ? fromEvent(this.win.screen.orientation, 'change').pipe(startWith(null), map(() => 
        /**
         * https://developer.mozilla.org/en-US/docs/Web/API/Screen/orientation
         * The type read-only property of the ScreenOrientation interface returns the document's current orientation type,
         * one of "portrait-primary", "portrait-secondary", "landscape-primary", or "landscape-secondary".
         *
         * Browser compatibility:
         * Safari 16.4+, Chrome 38+, Firefox 43+
         */
        this.win.screen.orientation.type))
        : fromEvent(this.win, 'orientationchange').pipe(startWith(null), map(() => {
            /**
             * https://developer.mozilla.org/en-US/docs/Web/API/Window/orientation
             * Its only possible values are -90, 0, 90, and 180.
             * Positive values are counterclockwise; negative values are clockwise.
             */
            const angle = parseInt(this.win.orientation, 10);
            switch (angle) {
                case -90:
                    return 'landscape-secondary';
                case 180:
                    return 'portrait-secondary';
                case 90:
                    return 'landscape-primary';
                case 0:
                default:
                    return 'portrait-primary';
            }
        }))).pipe(shareReplay({ bufferSize: 1, refCount: true }));
    constructor() {
        super((subscriber) => this.stream$.subscribe(subscriber));
    }
    get isModern() {
        return !!this.win?.screen?.orientation;
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ScreenOrientationService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
    static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ScreenOrientationService, providedIn: 'root' });
}
export { ScreenOrientationService };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ScreenOrientationService, decorators: [{
            type: Injectable,
            args: [{
                    providedIn: 'root',
                }]
        }], ctorParameters: function () { return []; } });
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