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frontend/node_modules/antd/es/config-provider/hooks/useTheme.js

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+import useMemo from "rc-util/es/hooks/useMemo";
+import isEqual from "rc-util/es/isEqual";
+import { devUseWarning } from '../../_util/warning';
+import { defaultConfig } from '../../theme/internal';
+import useThemeKey from './useThemeKey';
+export default function useTheme(theme, parentTheme, config) {
+  var _a, _b;
+  const warning = devUseWarning('ConfigProvider');
+  const themeConfig = theme || {};
+  const parentThemeConfig = themeConfig.inherit === false || !parentTheme ? Object.assign(Object.assign({}, defaultConfig), {
+    hashed: (_a = parentTheme === null || parentTheme === void 0 ? void 0 : parentTheme.hashed) !== null && _a !== void 0 ? _a : defaultConfig.hashed,
+    cssVar: parentTheme === null || parentTheme === void 0 ? void 0 : parentTheme.cssVar
+  }) : parentTheme;
+  const themeKey = useThemeKey();
+  if (process.env.NODE_ENV !== 'production') {
+    const cssVarEnabled = themeConfig.cssVar || parentThemeConfig.cssVar;
+    const validKey = !!(typeof themeConfig.cssVar === 'object' && ((_b = themeConfig.cssVar) === null || _b === void 0 ? void 0 : _b.key) || themeKey);
+    process.env.NODE_ENV !== "production" ? warning(!cssVarEnabled || validKey, 'breaking', 'Missing key in `cssVar` config. Please upgrade to React 18 or set `cssVar.key` manually in each ConfigProvider inside `cssVar` enabled ConfigProvider.') : void 0;
+  }
+  return useMemo(() => {
+    var _a, _b;
+    if (!theme) {
+      return parentTheme;
+    }
+    // Override
+    const mergedComponents = Object.assign({}, parentThemeConfig.components);
+    Object.keys(theme.components || {}).forEach(componentName => {
+      mergedComponents[componentName] = Object.assign(Object.assign({}, mergedComponents[componentName]), theme.components[componentName]);
+    });
+    const cssVarKey = `css-var-${themeKey.replace(/:/g, '')}`;
+    const mergedCssVar = ((_a = themeConfig.cssVar) !== null && _a !== void 0 ? _a : parentThemeConfig.cssVar) && Object.assign(Object.assign(Object.assign({
+      prefix: config === null || config === void 0 ? void 0 : config.prefixCls
+    }, typeof parentThemeConfig.cssVar === 'object' ? parentThemeConfig.cssVar : {}), typeof themeConfig.cssVar === 'object' ? themeConfig.cssVar : {}), {
+      key: typeof themeConfig.cssVar === 'object' && ((_b = themeConfig.cssVar) === null || _b === void 0 ? void 0 : _b.key) || cssVarKey
+    });
+    // Base token
+    return Object.assign(Object.assign(Object.assign({}, parentThemeConfig), themeConfig), {
+      token: Object.assign(Object.assign({}, parentThemeConfig.token), themeConfig.token),
+      components: mergedComponents,
+      cssVar: mergedCssVar
+    });
+  }, [themeConfig, parentThemeConfig], (prev, next) => prev.some((prevTheme, index) => {
+    const nextTheme = next[index];
+    return !isEqual(prevTheme, nextTheme, true);
+  }));
+}