@blueprintjs/core/src/compatibility/browser.ts

Core styles & components

/*
 * Copyright 2017 Palantir Technologies, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const userAgent = typeof navigator !== "undefined" ? navigator.userAgent : "";
const browser = {
    isEdge: /Edge/.test(userAgent),
    isInternetExplorer: /Trident|rv:11/.test(userAgent),
    isWebkit: /AppleWebKit/.test(userAgent),
};

export const Browser = {
    isEdge: () => browser.isEdge,
    isInternetExplorer: () => browser.isInternetExplorer,
    isWebkit: () => browser.isWebkit,
};