| 1 | /**
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| 2 | * @license
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| 3 | * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
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| 4 | * This code may only be used under the BSD style license found at
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| 5 | * http://polymer.github.io/LICENSE.txt
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| 6 | * The complete set of authors may be found at
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| 7 | * http://polymer.github.io/AUTHORS.txt
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| 8 | * The complete set of contributors may be found at
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| 9 | * http://polymer.github.io/CONTRIBUTORS.txt
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| 10 | * Code distributed by Google as part of the polymer project is also
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| 11 | * subject to an additional IP rights grant found at
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| 12 | * http://polymer.github.io/PATENTS.txt
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| 13 | */
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| 14 | import { UAParser } from 'ua-parser-js';
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| 15 | /**
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| 16 | * A feature supported by a web browser.
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| 17 | */
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| 18 | export declare type BrowserCapability = 'es2015' | 'es2016' | 'es2017' | 'es2018' | 'push' | 'serviceworker' | 'modules';
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| 19 | export declare type UserAgentPredicate = (ua: InstanceType<typeof UAParser>) => boolean;
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| 20 | /**
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| 21 | * Return the set of capabilities for a user agent string.
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| 22 | */
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| 23 | export declare function browserCapabilities(userAgent: string): Set<BrowserCapability>;
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| 24 | /**
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| 25 | * Parse a "x.y.z" version string of any length into integer parts. Returns -1
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| 26 | * for a part that doesn't parse.
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| 27 | */
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| 28 | export declare function parseVersion(version: string | undefined): number[];
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| 29 | /**
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| 30 | * Return whether `version` is at least as high as `atLeast`.
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| 31 | */
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| 32 | export declare function versionAtLeast(atLeast: number[], version: number[]): boolean;
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