63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
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import * as React from 'react';
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import PropTypes from 'prop-types';
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import { exactProp } from '@mui/utils';
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import ThemeContext from '../useTheme/ThemeContext';
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import useTheme from '../useTheme';
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import nested from './nested';
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// To support composition of theme.
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import { jsx as _jsx } from "react/jsx-runtime";
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function mergeOuterLocalTheme(outerTheme, localTheme) {
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if (typeof localTheme === 'function') {
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var mergedTheme = localTheme(outerTheme);
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if (process.env.NODE_ENV !== 'production') {
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if (!mergedTheme) {
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console.error(['MUI: You should return an object from your theme function, i.e.', '<ThemeProvider theme={() => ({})} />'].join('\n'));
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}
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}
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return mergedTheme;
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}
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return _extends({}, outerTheme, localTheme);
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}
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/**
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* This component takes a `theme` prop.
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* It makes the `theme` available down the React tree thanks to React context.
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* This component should preferably be used at **the root of your component tree**.
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*/
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function ThemeProvider(props) {
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var children = props.children,
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localTheme = props.theme;
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var outerTheme = useTheme();
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if (process.env.NODE_ENV !== 'production') {
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if (outerTheme === null && typeof localTheme === 'function') {
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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'));
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}
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}
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var theme = React.useMemo(function () {
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var output = outerTheme === null ? localTheme : mergeOuterLocalTheme(outerTheme, localTheme);
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if (output != null) {
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output[nested] = outerTheme !== null;
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}
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return output;
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}, [localTheme, outerTheme]);
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return /*#__PURE__*/_jsx(ThemeContext.Provider, {
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value: theme,
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children: children
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});
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}
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process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = {
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/**
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* Your component tree.
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*/
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children: PropTypes.node,
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/**
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* A theme object. You can provide a function to extend the outer theme.
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*/
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theme: PropTypes.oneOfType([PropTypes.object, PropTypes.func]).isRequired
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} : void 0;
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if (process.env.NODE_ENV !== 'production') {
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process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = exactProp(ThemeProvider.propTypes) : void 0;
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}
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export default ThemeProvider; |