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fix 🐛 issue where the theme should revert to the system default when ignoreSystemMode is disabled. #7

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fix 🐛 issue where the theme should revert to the system default when ignoreSystemMode is disabled. #7

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8a4b525
fix system thmem to revert if ignoresystemmode is not enabled
YosefAshenafi Sep 17, 2024
06b4128
make the code reusable
YosefAshenafi Sep 17, 2024
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34 changes: 15 additions & 19 deletions features/theme/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,16 @@ export interface CreateThemeOptions {
componentDefaults?: Record<ModifiableComponent, Record<string, any>>;
}

// Utility function to handle color scheme setting logic
function setColorScheme(scheme: 'light' | 'dark', ignoreSystemMode: boolean) {
if (ignoreSystemMode) {
Colors.setScheme(scheme as SchemeType);
} else {
const systemScheme = Appearance.getColorScheme() as 'light' | 'dark' | null;
Colors.setScheme(systemScheme || 'default');
}
}

export function createTheme({
ignoreSystemMode,
supportDarkMode,
Expand Down Expand Up @@ -85,13 +95,7 @@ export function createTheme({
return (scheme: 'light' | 'dark') => {
setTheme((prev) => {
const next = { ...prev, scheme };

if (next.ignoreSystemMode) {
Colors.setScheme(scheme as SchemeType);
} else {
Colors.setScheme('default');
}

setColorScheme(scheme, next.ignoreSystemMode);
return next;
});
};
Expand All @@ -102,10 +106,8 @@ export function createTheme({
const [state, setState] = React.useState<'light' | 'dark'>(scheme);

React.useEffect(() => {
const systemScheme = Appearance.getColorScheme() as 'light' | 'dark' | null;
const initialScheme = ignoreSystemMode ? scheme : systemScheme ?? scheme;
Colors.setScheme(initialScheme as SchemeType);
setState(initialScheme);
setColorScheme(scheme, ignoreSystemMode);
setState(scheme);
}, [scheme, ignoreSystemMode]);

return state;
Expand All @@ -121,7 +123,7 @@ export function createTheme({
);

React.useEffect(() => {
Colors.setScheme(scheme as SchemeType);
setColorScheme(scheme, ignoreSystemMode);
setNavThemeState(
createReactNavigationTheme(
availableSchemes[scheme],
Expand All @@ -141,13 +143,7 @@ export function createTheme({
const dispatch = () => {
setState((prev) => {
const next = { ...prev, ignoreSystemMode: !ignoreSystemMode };

if (next.ignoreSystemMode) {
Colors.setScheme(prev.scheme || defaultScheme);
} else {
Colors.setScheme('default');
}

setColorScheme(prev.scheme || defaultScheme, next.ignoreSystemMode);
return next;
});
};
Expand Down