ngx-materialize
Version:
An Angular wrap around Materialize library
121 lines (120 loc) • 13 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
import { isPlatformBrowser } from '@angular/common';
import { Inject, Injectable, PLATFORM_ID } from '@angular/core';
import { fromEvent, Observable } from 'rxjs';
import { map, publishReplay, refCount, startWith } from 'rxjs/operators';
export class MzMediaService {
/**
* @param {?} platformId
*/
constructor(platformId) {
this.mediaBreakpoints = [
{ alias: 's', minWidth: 0, maxWidth: 600 },
{ alias: 'm', minWidth: 601, maxWidth: 992 },
{ alias: 'l', minWidth: 993, maxWidth: 1200 },
{ alias: 'xl', minWidth: 1201, maxWidth: Number.MAX_VALUE },
];
this.matchOperators = [
{
operator: 'gt',
match: (breakpoint) => window.innerWidth > breakpoint.maxWidth,
},
{
operator: 'lt',
match: (breakpoint) => window.innerWidth < breakpoint.minWidth,
},
{
operator: null,
match: (breakpoint) => window.innerWidth >= breakpoint.minWidth && window.innerWidth <= breakpoint.maxWidth,
},
];
if (isPlatformBrowser(platformId)) {
this.media = this.registerWindowResizeListener();
}
else {
this.media = Observable.create();
}
}
/**
* @param {?} breakpoint
* @return {?}
*/
isActive(breakpoint) {
return new Observable(subscriber => {
this.media.subscribe((media) => {
try {
subscriber.next(this.isActiveBreakpoint(breakpoint));
}
catch (/** @type {?} */ error) {
subscriber.error(error);
}
});
});
}
/**
* @return {?}
*/
registerWindowResizeListener() {
return fromEvent(window, 'resize')
.pipe(map(() => this.getWindowMedia()), startWith(this.getWindowMedia()), publishReplay(1), refCount());
}
/**
* @return {?}
*/
getWindowMedia() {
return {
alias: this.mediaBreakpoints.find((breakpoint) => window.innerWidth <= breakpoint.maxWidth).alias,
windowHeight: window.innerHeight,
windowWidth: window.innerWidth,
};
}
/**
* @param {?} breakpoint
* @return {?}
*/
isActiveBreakpoint(breakpoint) {
let /** @type {?} */ matchOperator;
let /** @type {?} */ mediaBreakpoint;
if (breakpoint) {
const /** @type {?} */ fragments = breakpoint.split('-');
if (fragments.length === 1) {
matchOperator = this.matchOperators.find(x => x.operator === null);
mediaBreakpoint = this.mediaBreakpoints.find(x => x.alias === fragments[0]);
}
else if (fragments.length === 2) {
matchOperator = this.matchOperators.find(x => x.operator === fragments[0]);
mediaBreakpoint = this.mediaBreakpoints.find(x => x.alias === fragments[1]);
}
}
if (!mediaBreakpoint || !matchOperator) {
throw Error(`MzMediaService.isActive parameter is invalid: '${breakpoint}' is not a recognized breakpoint.`);
}
return matchOperator.match(mediaBreakpoint);
}
}
MzMediaService.decorators = [
{ type: Injectable },
];
/** @nocollapse */
MzMediaService.ctorParameters = () => [
{ type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] },] },
];
function MzMediaService_tsickle_Closure_declarations() {
/** @type {!Array<{type: !Function, args: (undefined|!Array<?>)}>} */
MzMediaService.decorators;
/**
* @nocollapse
* @type {function(): !Array<(null|{type: ?, decorators: (undefined|!Array<{type: !Function, args: (undefined|!Array<?>)}>)})>}
*/
MzMediaService.ctorParameters;
/** @type {?} */
MzMediaService.prototype.media;
/** @type {?} */
MzMediaService.prototype.mediaBreakpoints;
/** @type {?} */
MzMediaService.prototype.matchOperators;
}
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{ isPlatformBrowser } from '@angular/common';\r\nimport { Inject, Injectable, PLATFORM_ID } from '@angular/core';\r\nimport { fromEvent, Observable } from 'rxjs';\r\nimport { map, publishReplay, refCount, startWith } from 'rxjs/operators';\r\n\r\nimport { MatchOperator, Media, MediaBreakpoint } from './models/index';\r\n\r\n@Injectable()\r\nexport class MzMediaService {\r\n\r\n  media: Observable<Media>;\r\n\r\n  // based on nodes_modules/materialize-css/sass/components/_variable.scss\r\n  private readonly mediaBreakpoints: MediaBreakpoint[] = [\r\n    { alias: 's', minWidth: 0, maxWidth: 600 },\r\n    { alias: 'm', minWidth: 601, maxWidth: 992 },\r\n    { alias: 'l', minWidth: 993, maxWidth: 1200 },\r\n    { alias: 'xl', minWidth: 1201, maxWidth: Number.MAX_VALUE },\r\n  ];\r\n\r\n  private readonly matchOperators: MatchOperator[] = [\r\n    {\r\n      operator: 'gt',\r\n      match: (breakpoint: MediaBreakpoint) => window.innerWidth > breakpoint.maxWidth,\r\n    },\r\n    {\r\n      operator: 'lt',\r\n      match: (breakpoint: MediaBreakpoint) => window.innerWidth < breakpoint.minWidth,\r\n    },\r\n    {\r\n      operator: null,\r\n      match: (breakpoint: MediaBreakpoint) => window.innerWidth >= breakpoint.minWidth && window.innerWidth <= breakpoint.maxWidth,\r\n    },\r\n  ];\r\n\r\n  constructor(@Inject(PLATFORM_ID) platformId: Object) {\r\n    if (isPlatformBrowser(platformId)) {\r\n      this.media = this.registerWindowResizeListener();\r\n    } else {\r\n      this.media = Observable.create();\r\n    }\r\n  }\r\n\r\n  isActive(breakpoint: string): Observable<boolean> {\r\n    return new Observable<boolean>(subscriber => {\r\n      this.media.subscribe((media: Media) => {\r\n        try {\r\n          subscriber.next(this.isActiveBreakpoint(breakpoint));\r\n        } catch (error) {\r\n          subscriber.error(error);\r\n        }\r\n      });\r\n    });\r\n  }\r\n\r\n  private registerWindowResizeListener(): Observable<Media> {\r\n    return fromEvent(window, 'resize')\r\n      .pipe(\r\n        map(() => this.getWindowMedia()),\r\n        startWith(this.getWindowMedia()),\r\n        publishReplay(1),\r\n        refCount(),\r\n      );\r\n  }\r\n\r\n  private getWindowMedia(): Media {\r\n    return {\r\n      alias: this.mediaBreakpoints.find((breakpoint: MediaBreakpoint) => window.innerWidth <= breakpoint.maxWidth).alias,\r\n      windowHeight: window.innerHeight,\r\n      windowWidth: window.innerWidth,\r\n    };\r\n  }\r\n\r\n  private isActiveBreakpoint(breakpoint: string): boolean {\r\n    let matchOperator: MatchOperator;\r\n    let mediaBreakpoint: MediaBreakpoint;\r\n\r\n    if (breakpoint) {\r\n      const fragments = breakpoint.split('-');\r\n\r\n      if (fragments.length === 1) {\r\n        matchOperator = this.matchOperators.find(x => x.operator === null);\r\n        mediaBreakpoint = this.mediaBreakpoints.find(x => x.alias === fragments[0]);\r\n      } else if (fragments.length === 2) {\r\n        matchOperator = this.matchOperators.find(x => x.operator === fragments[0]);\r\n        mediaBreakpoint = this.mediaBreakpoints.find(x => x.alias === fragments[1]);\r\n      }\r\n    }\r\n\r\n    if (!mediaBreakpoint || !matchOperator) {\r\n      throw Error(`MzMediaService.isActive parameter is invalid: '${breakpoint}' is not a recognized breakpoint.`);\r\n    }\r\n\r\n    return matchOperator.match(mediaBreakpoint);\r\n  }\r\n}\r\n"]}