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

Style loading utilities.

import { concatStyleSets } from './concatStyleSets';
/**
 * Concatenates style sets into one, but resolves functional sets using the given props.
 * @param styleProps - Props used to resolve functional sets.
 * @param allStyles - Style sets, which can be functions or objects.
 */
export function concatStyleSetsWithProps(styleProps) {
    var allStyles = [];
    for (var _i = 1; _i < arguments.length; _i++) {
        allStyles[_i - 1] = arguments[_i];
    }
    var result = [];
    for (var _a = 0, allStyles_1 = allStyles; _a < allStyles_1.length; _a++) {
        var styles = allStyles_1[_a];
        if (styles) {
            result.push(typeof styles === 'function' ? styles(styleProps) : styles);
        }
    }
    if (result.length === 1) {
        return result[0];
    }
    else if (result.length) {
        // cliffkoh: I cannot figure out how to avoid the cast to any here.
        // It is something to do with the use of Omit in IStyleSet.
        // It might not be necessary once  Omit becomes part of lib.d.ts (when we remove our own Omit and rely on
        // the official version).
        return concatStyleSets.apply(void 0, result);
    }
    return {};
}
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