angular-dark-mode
Version:
Add dark mode to your Angular applications with ease!
86 lines • 12.1 kB
JavaScript
import { Inject, Injectable, Optional, } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
import { distinctUntilChanged } from 'rxjs/operators';
import { DARK_MODE_OPTIONS } from './dark-mode-options';
import { defaultOptions } from './default-options';
import { isNil } from './isNil';
import * as i0 from "@angular/core";
import * as i1 from "./media-query.service";
export class DarkModeService {
constructor(rendererFactory, mediaQueryService,
// prettier-ignore
providedOptions) {
this.rendererFactory = rendererFactory;
this.mediaQueryService = mediaQueryService;
this.providedOptions = providedOptions;
this.options = { ...defaultOptions, ...(this.providedOptions || {}) };
this.renderer = this.rendererFactory.createRenderer(null, null);
this.darkModeSubject$ = new BehaviorSubject(this.getInitialDarkModeValue());
this.darkModeSubject$.getValue() ? this.enable() : this.disable();
this.removePreloadingClass();
}
/**
* An Observable representing current dark mode.
* Only fires the initial and distinct values.
*/
get darkMode$() {
return this.darkModeSubject$.asObservable().pipe(distinctUntilChanged());
}
toggle() {
this.darkModeSubject$.getValue() ? this.disable() : this.enable();
}
enable() {
const { element, darkModeClass, lightModeClass } = this.options;
this.renderer.removeClass(element, lightModeClass);
this.renderer.addClass(element, darkModeClass);
this.saveDarkModeToStorage(true);
this.darkModeSubject$.next(true);
}
disable() {
const { element, darkModeClass, lightModeClass } = this.options;
this.renderer.removeClass(element, darkModeClass);
this.renderer.addClass(element, lightModeClass);
this.saveDarkModeToStorage(false);
this.darkModeSubject$.next(false);
}
getInitialDarkModeValue() {
const darkModeFromStorage = this.getDarkModeFromStorage();
if (isNil(darkModeFromStorage)) {
return this.mediaQueryService.prefersDarkMode();
}
return darkModeFromStorage;
}
saveDarkModeToStorage(darkMode) {
localStorage.setItem(this.options.storageKey, JSON.stringify({ darkMode }));
}
getDarkModeFromStorage() {
const storageItem = localStorage.getItem(this.options.storageKey);
if (storageItem) {
try {
return JSON.parse(storageItem)?.darkMode;
}
catch (error) {
console.error('Invalid darkMode localStorage item:', storageItem, 'falling back to color scheme media query');
}
}
return null;
}
removePreloadingClass() {
// defer to next tick
setTimeout(() => {
this.renderer.removeClass(this.options.element, this.options.preloadingClass);
});
}
}
DarkModeService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.3.12", ngImport: i0, type: DarkModeService, deps: [{ token: i0.RendererFactory2 }, { token: i1.MediaQueryService }, { token: DARK_MODE_OPTIONS, optional: true }], target: i0.ɵɵFactoryTarget.Injectable });
DarkModeService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.3.12", ngImport: i0, type: DarkModeService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.3.12", ngImport: i0, type: DarkModeService, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}], ctorParameters: function () { return [{ type: i0.RendererFactory2 }, { type: i1.MediaQueryService }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [DARK_MODE_OPTIONS]
}] }]; } });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"dark-mode.service.js","sourceRoot":"","sources":["../../../../projects/angular-dark-mode/src/lib/dark-mode.service.ts"],"names":[],"mappings":"AAAA,OAAO,EACL,MAAM,EACN,UAAU,EACV,QAAQ,GAGT,MAAM,eAAe,CAAC;AACvB,OAAO,EAAE,eAAe,EAAc,MAAM,MAAM,CAAC;AACnD,OAAO,EAAE,oBAAoB,EAAE,MAAM,gBAAgB,CAAC;AACtD,OAAO,EAAE,iBAAiB,EAAE,MAAM,qBAAqB,CAAC;AACxD,OAAO,EAAE,cAAc,EAAE,MAAM,mBAAmB,CAAC;AACnD,OAAO,EAAE,KAAK,EAAE,MAAM,SAAS,CAAC;;;AAKhC,MAAM,OAAO,eAAe;IAK1B,YACU,eAAiC,EACjC,iBAAoC;IAC5C,kBAAkB;IAC6B,eAAuC;QAH9E,oBAAe,GAAf,eAAe,CAAkB;QACjC,sBAAiB,GAAjB,iBAAiB,CAAmB;QAEG,oBAAe,GAAf,eAAe,CAAwB;QAEtF,IAAI,CAAC,OAAO,GAAG,EAAE,GAAG,cAAc,EAAE,GAAG,CAAC,IAAI,CAAC,eAAe,IAAI,EAAE,CAAC,EAAE,CAAC;QACtE,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,eAAe,CAAC,cAAc,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;QAChE,IAAI,CAAC,gBAAgB,GAAG,IAAI,eAAe,CAAC,IAAI,CAAC,uBAAuB,EAAE,CAAC,CAAC;QAC5E,IAAI,CAAC,gBAAgB,CAAC,QAAQ,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;QAClE,IAAI,CAAC,qBAAqB,EAAE,CAAC;IAC/B,CAAC;IAED;;;OAGG;IACH,IAAI,SAAS;QACX,OAAO,IAAI,CAAC,gBAAgB,CAAC,YAAY,EAAE,CAAC,IAAI,CAAC,oBAAoB,EAAE,CAAC,CAAC;IAC3E,CAAC;IAED,MAAM;QACJ,IAAI,CAAC,gBAAgB,CAAC,QAAQ,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC;IACpE,CAAC;IAED,MAAM;QACJ,MAAM,EAAE,OAAO,EAAE,aAAa,EAAE,cAAc,EAAE,GAAG,IAAI,CAAC,OAAO,CAAC;QAChE,IAAI,CAAC,QAAQ,CAAC,WAAW,CAAC,OAAO,EAAE,cAAc,CAAC,CAAC;QACnD,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,OAAO,EAAE,aAAa,CAAC,CAAC;QAC/C,IAAI,CAAC,qBAAqB,CAAC,IAAI,CAAC,CAAC;QACjC,IAAI,CAAC,gBAAgB,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;IACnC,CAAC;IAED,OAAO;QACL,MAAM,EAAE,OAAO,EAAE,aAAa,EAAE,cAAc,EAAE,GAAG,IAAI,CAAC,OAAO,CAAC;QAChE,IAAI,CAAC,QAAQ,CAAC,WAAW,CAAC,OAAO,EAAE,aAAa,CAAC,CAAC;QAClD,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,OAAO,EAAE,cAAc,CAAC,CAAC;QAChD,IAAI,CAAC,qBAAqB,CAAC,KAAK,CAAC,CAAC;QAClC,IAAI,CAAC,gBAAgB,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IACpC,CAAC;IAEO,uBAAuB;QAC7B,MAAM,mBAAmB,GAAG,IAAI,CAAC,sBAAsB,EAAE,CAAC;QAE1D,IAAI,KAAK,CAAC,mBAAmB,CAAC,EAAE;YAC9B,OAAO,IAAI,CAAC,iBAAiB,CAAC,eAAe,EAAE,CAAC;SACjD;QAED,OAAO,mBAAmB,CAAC;IAC7B,CAAC;IAEO,qBAAqB,CAAC,QAAiB;QAC7C,YAAY,CAAC,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,UAAU,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE,QAAQ,EAAE,CAAC,CAAC,CAAC;IAC9E,CAAC;IAEO,sBAAsB;QAC5B,MAAM,WAAW,GAAG,YAAY,CAAC,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,UAAU,CAAC,CAAC;QAElE,IAAI,WAAW,EAAE;YACf,IAAI;gBACF,OAAO,IAAI,CAAC,KAAK,CAAC,WAAW,CAAC,EAAE,QAAQ,CAAC;aAC1C;YAAC,OAAO,KAAK,EAAE;gBACd,OAAO,CAAC,KAAK,CACX,qCAAqC,EACrC,WAAW,EACX,0CAA0C,CAC3C,CAAC;aACH;SACF;QAED,OAAO,IAAI,CAAC;IACd,CAAC;IAEO,qBAAqB;QAC3B,qBAAqB;QACrB,UAAU,CAAC,GAAG,EAAE;YACd,IAAI,CAAC,QAAQ,CAAC,WAAW,CACvB,IAAI,CAAC,OAAO,CAAC,OAAO,EACpB,IAAI,CAAC,OAAO,CAAC,eAAe,CAC7B,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;;6GAtFU,eAAe,mFASJ,iBAAiB;iHAT5B,eAAe,cADF,MAAM;4FACnB,eAAe;kBAD3B,UAAU;mBAAC,EAAE,UAAU,EAAE,MAAM,EAAE;;0BAU7B,QAAQ;;0BAAI,MAAM;2BAAC,iBAAiB","sourcesContent":["import {\n  Inject,\n  Injectable,\n  Optional,\n  Renderer2,\n  RendererFactory2,\n} from '@angular/core';\nimport { BehaviorSubject, Observable } from 'rxjs';\nimport { distinctUntilChanged } from 'rxjs/operators';\nimport { DARK_MODE_OPTIONS } from './dark-mode-options';\nimport { defaultOptions } from './default-options';\nimport { isNil } from './isNil';\nimport { MediaQueryService } from './media-query.service';\nimport { DarkModeOptions } from './types';\n\n@Injectable({ providedIn: 'root' })\nexport class DarkModeService {\n  private readonly options: DarkModeOptions;\n  private readonly renderer: Renderer2;\n  private readonly darkModeSubject$: BehaviorSubject<boolean>;\n\n  constructor(\n    private rendererFactory: RendererFactory2,\n    private mediaQueryService: MediaQueryService,\n    // prettier-ignore\n    @Optional() @Inject(DARK_MODE_OPTIONS) private providedOptions: DarkModeOptions | null\n  ) {\n    this.options = { ...defaultOptions, ...(this.providedOptions || {}) };\n    this.renderer = this.rendererFactory.createRenderer(null, null);\n    this.darkModeSubject$ = new BehaviorSubject(this.getInitialDarkModeValue());\n    this.darkModeSubject$.getValue() ? this.enable() : this.disable();\n    this.removePreloadingClass();\n  }\n\n  /**\n   * An Observable representing current dark mode.\n   * Only fires the initial and distinct values.\n   */\n  get darkMode$(): Observable<boolean> {\n    return this.darkModeSubject$.asObservable().pipe(distinctUntilChanged());\n  }\n\n  toggle(): void {\n    this.darkModeSubject$.getValue() ? this.disable() : this.enable();\n  }\n\n  enable(): void {\n    const { element, darkModeClass, lightModeClass } = this.options;\n    this.renderer.removeClass(element, lightModeClass);\n    this.renderer.addClass(element, darkModeClass);\n    this.saveDarkModeToStorage(true);\n    this.darkModeSubject$.next(true);\n  }\n\n  disable(): void {\n    const { element, darkModeClass, lightModeClass } = this.options;\n    this.renderer.removeClass(element, darkModeClass);\n    this.renderer.addClass(element, lightModeClass);\n    this.saveDarkModeToStorage(false);\n    this.darkModeSubject$.next(false);\n  }\n\n  private getInitialDarkModeValue(): boolean {\n    const darkModeFromStorage = this.getDarkModeFromStorage();\n\n    if (isNil(darkModeFromStorage)) {\n      return this.mediaQueryService.prefersDarkMode();\n    }\n\n    return darkModeFromStorage;\n  }\n\n  private saveDarkModeToStorage(darkMode: boolean): void {\n    localStorage.setItem(this.options.storageKey, JSON.stringify({ darkMode }));\n  }\n\n  private getDarkModeFromStorage(): boolean | null {\n    const storageItem = localStorage.getItem(this.options.storageKey);\n\n    if (storageItem) {\n      try {\n        return JSON.parse(storageItem)?.darkMode;\n      } catch (error) {\n        console.error(\n          'Invalid darkMode localStorage item:',\n          storageItem,\n          'falling back to color scheme media query'\n        );\n      }\n    }\n\n    return null;\n  }\n\n  private removePreloadingClass(): void {\n    // defer to next tick\n    setTimeout(() => {\n      this.renderer.removeClass(\n        this.options.element,\n        this.options.preloadingClass\n      );\n    });\n  }\n}\n"]}