@uifabric/merge-styles/lib/extractStyleParts.js

import { Stylesheet } from './Stylesheet';
/**
 * Separates the classes and style objects. Any classes that are pre-registered
 * args are auto expanded into objects.
 */
export function extractStyleParts() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var classes = [];
    var objects = [];
    var stylesheet = Stylesheet.getInstance();
    function _processArgs(argsList) {
        for (var _i = 0, argsList_1 = argsList; _i < argsList_1.length; _i++) {
            var arg = argsList_1[_i];
            if (arg) {
                if (typeof arg === 'string') {
                    if (arg.indexOf(' ') >= 0) {
                        _processArgs(arg.split(' '));
                    }
                    else {
                        var translatedArgs = stylesheet.argsFromClassName(arg);
                        if (translatedArgs) {
                            _processArgs(translatedArgs);
                        }
                        else {
                            // Avoid adding the same class twice.
                            if (classes.indexOf(arg) === -1) {
                                classes.push(arg);
                            }
                        }
                    }
                }
                else if (Array.isArray(arg)) {
                    _processArgs(arg);
                }
                else if (typeof arg === 'object') {
                    objects.push(arg);
                }
            }
        }
    }
    _processArgs(args);
    return {
        classes: classes,
        objects: objects,
    };
}
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