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 王天杨
提交两个项目文件
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import * as React from 'react';
import PropTypes from 'prop-types';
import exactProp from '@mui/utils/exactProp';
import ThemeContext from "../useTheme/ThemeContext.js";
import useTheme from "../useTheme/index.js";
import nested from "./nested.js";
// To support composition of theme.
import { jsx as _jsx } from "react/jsx-runtime";
function mergeOuterLocalTheme(outerTheme, localTheme) {
if (typeof localTheme === 'function') {
const mergedTheme = localTheme(outerTheme);
if (process.env.NODE_ENV !== 'production') {
if (!mergedTheme) {
console.error(['MUI: You should return an object from your theme function, i.e.', '<ThemeProvider theme={() => ({})} />'].join('\n'));
}
}
return mergedTheme;
}
return {
...outerTheme,
...localTheme
};
}
/**
* This component takes a `theme` prop.
* It makes the `theme` available down the React tree thanks to React context.
* This component should preferably be used at **the root of your component tree**.
*/
function ThemeProvider(props) {
const {
children,
theme: localTheme
} = props;
const outerTheme = useTheme();
if (process.env.NODE_ENV !== 'production') {
if (outerTheme === null && typeof localTheme === 'function') {
console.error(['MUI: You are providing a theme function prop to the ThemeProvider component:', '<ThemeProvider theme={outerTheme => outerTheme} />', '', 'However, no outer theme is present.', 'Make sure a theme is already injected higher in the React tree ' + 'or provide a theme object.'].join('\n'));
}
}
const theme = React.useMemo(() => {
const output = outerTheme === null ? {
...localTheme
} : mergeOuterLocalTheme(outerTheme, localTheme);
if (output != null) {
output[nested] = outerTheme !== null;
}
return output;
}, [localTheme, outerTheme]);
return /*#__PURE__*/_jsx(ThemeContext.Provider, {
value: theme,
children: children
});
}
process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = {
/**
* Your component tree.
*/
children: PropTypes.node,
/**
* A theme object. You can provide a function to extend the outer theme.
*/
theme: PropTypes.oneOfType([PropTypes.object, PropTypes.func]).isRequired
} : void 0;
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = exactProp(ThemeProvider.propTypes) : void 0;
}
export default ThemeProvider;
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