themeHelpers.ts ➔ getOSPreferredTheme - Code Metrics - JesusValeraDev/bip39 - Measure and Improve Code Quality continuously with Scrutinizer

themeHelpers.ts ➔ getOSPreferredTheme A
last analyzed 2025-11-16 14:55 UTC

↳ Parent: src/modules/theme/domain/themeHelpers.ts

Complexity

Conditions

Size

Total Lines	6
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	5
dl	0
loc	6
rs	10
c	0
b	0
f	0

export function getOppositeTheme(currentTheme: string | null): 'light' | 'dark' {
  return currentTheme === 'dark' ? 'light' : 'dark';
}

export function getOSPreferredTheme(): 'light' | 'dark' {
  if (typeof window !== 'undefined' && window.matchMedia) {
    return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
  }
  return 'dark'; // Fallback
}

export function getInitialTheme(savedTheme: string | null): 'light' | 'dark' {
  if (savedTheme === 'light' || savedTheme === 'dark') {
    return savedTheme;
  }
  return getOSPreferredTheme();
}

export function shouldAriaPressedBeTrue(theme: string): boolean {
  return theme === 'dark';
}

export function getThemeAriaLabel(theme: string): string {
  return `Switch to ${theme === 'dark' ? 'light' : 'dark'} mode`;
}

export function isValidTheme(theme: string): theme is 'light' | 'dark' {
  return theme === 'light' || theme === 'dark';
}


1			export function getOppositeTheme(currentTheme: string \| null): 'light' \| 'dark' {
2			return currentTheme === 'dark' ? 'light' : 'dark';
3			}
4
5			export function getOSPreferredTheme(): 'light' \| 'dark' {
6			if (typeof window !== 'undefined' && window.matchMedia) {
7			return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
8			}
9			return 'dark'; // Fallback
10			}
11
12			export function getInitialTheme(savedTheme: string \| null): 'light' \| 'dark' {
13			if (savedTheme === 'light' \|\| savedTheme === 'dark') {
14			return savedTheme;
15			}
16			return getOSPreferredTheme();
17			}
18
19			export function shouldAriaPressedBeTrue(theme: string): boolean {
20			return theme === 'dark';
21			}
22
23			export function getThemeAriaLabel(theme: string): string {
24			return `Switch to ${theme === 'dark' ? 'light' : 'dark'} mode`;
25			}
26
27			export function isValidTheme(theme: string): theme is 'light' \| 'dark' {
28			return theme === 'light' \|\| theme === 'dark';
29			}
30

JesusValeraDev / bip39

themeHelpers.ts ➔ getOSPreferredTheme A last analyzed 2025-11-16 14:55 UTC

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themeHelpers.ts ➔ getOSPreferredTheme A
last analyzed 2025-11-16 14:55 UTC