fix(core): update

This commit is contained in:
Philipp Kunz 2020-12-07 03:47:39 +00:00
parent 4456f00816
commit 286bb0887a

View File

@ -4,7 +4,7 @@ import * as plugins from './domtools.plugins';
export class ThemeManager { export class ThemeManager {
public domtoolsRef: DomTools; public domtoolsRef: DomTools;
public goBrightBoolean = false; public goBrightBoolean = false;
public preferredColorSchemeMediaMatch = window.matchMedia('(prefers-color-scheme: light)'); public preferredColorSchemeMediaMatch = window.matchMedia('(prefers-color-scheme: light)');
@ -15,7 +15,7 @@ export class ThemeManager {
// lets care // lets care
this.goBrightBoolean = this.preferredColorSchemeMediaMatch.matches; this.goBrightBoolean = this.preferredColorSchemeMediaMatch.matches;
this.preferredColorSchemeMediaMatch.addEventListener('change', eventArg => { this.preferredColorSchemeMediaMatch.addEventListener('change', (eventArg) => {
this.goBrightBoolean = eventArg.matches; this.goBrightBoolean = eventArg.matches;
this.updateAllConnectedElements(); this.updateAllConnectedElements();
}); });
@ -23,7 +23,9 @@ export class ThemeManager {
} }
private async updateAllConnectedElements() { private async updateAllConnectedElements() {
document.body.style.background = this.goBrightBoolean ? '#fff' : '#000'; if (document.body && document.body.style) {
document.body.style.background = this.goBrightBoolean ? '#fff' : '#000';
}
this.themeObservable.next(this.goBrightBoolean); this.themeObservable.next(this.goBrightBoolean);
} }
@ -41,4 +43,4 @@ export class ThemeManager {
this.goBrightBoolean = !this.goBrightBoolean; this.goBrightBoolean = !this.goBrightBoolean;
this.updateAllConnectedElements(); this.updateAllConnectedElements();
} }
} }