GoScrobble/web/node_modules/@material-ui/styles/ThemeProvider/ThemeProvider.js

90 lines
2.9 KiB
JavaScript

"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _react = _interopRequireDefault(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _utils = require("@material-ui/utils");
var _ThemeContext = _interopRequireDefault(require("../useTheme/ThemeContext"));
var _useTheme = _interopRequireDefault(require("../useTheme"));
var _nested = _interopRequireDefault(require("./nested"));
// To support composition of theme.
function mergeOuterLocalTheme(outerTheme, localTheme) {
if (typeof localTheme === 'function') {
var mergedTheme = localTheme(outerTheme);
if (process.env.NODE_ENV !== 'production') {
if (!mergedTheme) {
console.error(['Material-UI: You should return an object from your theme function, i.e.', '<ThemeProvider theme={() => ({})} />'].join('\n'));
}
}
return mergedTheme;
}
return (0, _extends2.default)({}, 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) {
var children = props.children,
localTheme = props.theme;
var outerTheme = (0, _useTheme.default)();
if (process.env.NODE_ENV !== 'production') {
if (outerTheme === null && typeof localTheme === 'function') {
console.error(['Material-UI: 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'));
}
}
var theme = _react.default.useMemo(function () {
var output = outerTheme === null ? localTheme : mergeOuterLocalTheme(outerTheme, localTheme);
if (output != null) {
output[_nested.default] = outerTheme !== null;
}
return output;
}, [localTheme, outerTheme]);
return /*#__PURE__*/_react.default.createElement(_ThemeContext.default.Provider, {
value: theme
}, children);
}
process.env.NODE_ENV !== "production" ? ThemeProvider.propTypes = {
/**
* Your component tree.
*/
children: _propTypes.default.node.isRequired,
/**
* 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, _utils.exactProp)(ThemeProvider.propTypes) : void 0;
}
var _default = ThemeProvider;
exports.default = _default;