| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | /// <amd-module name="@angular/compiler-cli/src/diagnostics/typescript_version" />
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| 9 | /**
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| 10 | * Converts a `string` version into an array of numbers
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| 11 | * @example
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| 12 | * toNumbers('2.0.1'); // returns [2, 0, 1]
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| 13 | */
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| 14 | export declare function toNumbers(value: string): number[];
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| 15 | /**
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| 16 | * Compares two arrays of positive numbers with lexicographical order in mind.
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| 17 | *
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| 18 | * However - unlike lexicographical order - for arrays of different length we consider:
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| 19 | * [1, 2, 3] = [1, 2, 3, 0] instead of [1, 2, 3] < [1, 2, 3, 0]
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| 20 | *
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| 21 | * @param a The 'left hand' array in the comparison test
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| 22 | * @param b The 'right hand' in the comparison test
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| 23 | * @returns {-1|0|1} The comparison result: 1 if a is greater, -1 if b is greater, 0 is the two
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| 24 | * arrays are equals
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| 25 | */
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| 26 | export declare function compareNumbers(a: number[], b: number[]): -1 | 0 | 1;
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| 27 | /**
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| 28 | * Checks if a TypeScript version is:
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| 29 | * - greater or equal than the provided `low` version,
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| 30 | * - lower or equal than an optional `high` version.
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| 31 | *
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| 32 | * @param version The TypeScript version
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| 33 | * @param low The minimum version
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| 34 | * @param high The maximum version
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| 35 | */
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| 36 | export declare function isVersionBetween(version: string, low: string, high?: string): boolean;
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| 37 | /**
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| 38 | * Compares two versions
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| 39 | *
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| 40 | * @param v1 The 'left hand' version in the comparison test
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| 41 | * @param v2 The 'right hand' version in the comparison test
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| 42 | * @returns {-1|0|1} The comparison result: 1 if v1 is greater, -1 if v2 is greater, 0 is the two
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| 43 | * versions are equals
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| 44 | */
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| 45 | export declare function compareVersions(v1: string, v2: string): -1 | 0 | 1;
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