ThemeProvider.js
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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var React = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _exactProp = _interopRequireDefault(require("@mui/utils/exactProp"));
var _ThemeContext = _interopRequireDefault(require("../useTheme/ThemeContext"));
var _useTheme = _interopRequireDefault(require("../useTheme"));
var _nested = _interopRequireDefault(require("./nested"));
var _jsxRuntime = require("react/jsx-runtime");
// To support composition of theme.
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 = (0, _useTheme.default)();
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.default] = outerTheme !== null;
}
return output;
}, [localTheme, outerTheme]);
return /*#__PURE__*/(0, _jsxRuntime.jsx)(_ThemeContext.default.Provider, {
value: theme,
children: children
});
}
process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = {
/**
* Your component tree.
*/
children: _propTypes.default.node,
/**
* A theme object. You can provide a function to extend the outer theme.
*/
theme: _propTypes.default.oneOfType([_propTypes.default.object, _propTypes.default.func]).isRequired
} : void 0;
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = (0, _exactProp.default)(ThemeProvider.propTypes) : void 0;
}
var _default = exports.default = ThemeProvider;