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mobile/components/ui/gluestack-ui-provider/index.web.tsx

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+'use client';
+import React, { useEffect, useLayoutEffect } from 'react';
+import { config } from './config';
+import { OverlayProvider } from '@gluestack-ui/core/overlay/creator';
+import { ToastProvider } from '@gluestack-ui/core/toast/creator';
+import { setFlushStyles } from '@gluestack-ui/utils/nativewind-utils';
+import { script } from './script';
+
+export type ModeType = 'light' | 'dark' | 'system';
+
+const variableStyleTagId = 'nativewind-style';
+const createStyle = (styleTagId: string) => {
+  const style = document.createElement('style');
+  style.id = styleTagId;
+  style.appendChild(document.createTextNode(''));
+  return style;
+};
+
+export const useSafeLayoutEffect =
+  typeof window !== 'undefined' ? useLayoutEffect : useEffect;
+
+export function GluestackUIProvider({
+  mode = 'light',
+  ...props
+}: {
+  mode?: ModeType;
+  children?: React.ReactNode;
+}) {
+  let cssVariablesWithMode = ``;
+  Object.keys(config).forEach((configKey) => {
+    cssVariablesWithMode +=
+      configKey === 'dark' ? `\n .dark {\n ` : `\n:root {\n`;
+    const cssVariables = Object.keys(
+      config[configKey as keyof typeof config]
+    ).reduce((acc: string, curr: string) => {
+      acc += `${curr}:${config[configKey as keyof typeof config][curr]}; `;
+      return acc;
+    }, '');
+    cssVariablesWithMode += `${cssVariables} \n}`;
+  });
+
+  setFlushStyles(cssVariablesWithMode);
+
+  const handleMediaQuery = React.useCallback((e: MediaQueryListEvent) => {
+    script(e.matches ? 'dark' : 'light');
+  }, []);
+
+  useSafeLayoutEffect(() => {
+    if (mode !== 'system') {
+      const documentElement = document.documentElement;
+      if (documentElement) {
+        documentElement.classList.add(mode);
+        documentElement.classList.remove(mode === 'light' ? 'dark' : 'light');
+        documentElement.style.colorScheme = mode;
+      }
+    }
+  }, [mode]);
+
+  useSafeLayoutEffect(() => {
+    if (mode !== 'system') return;
+    const media = window.matchMedia('(prefers-color-scheme: dark)');
+
+    media.addListener(handleMediaQuery);
+
+    return () => media.removeListener(handleMediaQuery);
+  }, [handleMediaQuery]);
+
+  useSafeLayoutEffect(() => {
+    if (typeof window !== 'undefined') {
+      const documentElement = document.documentElement;
+      if (documentElement) {
+        const head = documentElement.querySelector('head');
+        let style = head?.querySelector(`[id='${variableStyleTagId}']`);
+        if (!style) {
+          style = createStyle(variableStyleTagId);
+          style.innerHTML = cssVariablesWithMode;
+          if (head) head.appendChild(style);
+        }
+      }
+    }
+  }, []);
+
+  return (
+    <>
+      <script
+        suppressHydrationWarning
+        dangerouslySetInnerHTML={{
+          __html: `(${script.toString()})('${mode}')`,
+        }}
+      />
+      <OverlayProvider>
+        <ToastProvider>{props.children}</ToastProvider>
+      </OverlayProvider>
+    </>
+  );
+}