ob248.com/node_modules/react-style-singleton/dist/es2015/component.js

import { styleHookSingleton } from './hook';
/**
 * create a Component to add styles on demand
 * - styles are added when first instance is mounted
 * - styles are removed when the last instance is unmounted
 * - changing styles in runtime does nothing unless dynamic is set. But with multiple components that can lead to the undefined behavior
 */
export var styleSingleton = function () {
    var useStyle = styleHookSingleton();
    var Sheet = function (_a) {
        var styles = _a.styles, dynamic = _a.dynamic;
        useStyle(styles, dynamic);
        return null;
    };
    return Sheet;
};