/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

declare module 'semver-umd' {

    // Type definitions for semver 6.2
    // Project: https://github.com/npm/node-semver
    // Definitions by: Bart van der Schoor <https://github.com/Bartvds>
    //                 BendingBender <https://github.com/BendingBender>
    //                 Lucian Buzzo <https://github.com/LucianBuzzo>
    //                 Klaus Meinhardt <https://github.com/ajafff>
    //                 ExE Boss <https://github.com/ExE-Boss>
    // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/semver

    export const SEMVER_SPEC_VERSION: "2.0.0";

    export type ReleaseType = "major" | "premajor" | "minor" | "preminor" | "patch" | "prepatch" | "prerelease";

    export interface Options {
        loose?: boolean;
        includePrerelease?: boolean;
    }

    export interface CoerceOptions extends Options {
        /**
         * Used by `coerce()` to coerce from right to left.
         *
         * @default false
         *
         * @example
         * coerce('1.2.3.4', { rtl: true });
         * // => SemVer { version: '2.3.4', ... }
         *
         * @since 6.2.0
         */
        rtl?: boolean;
    }

    /**
     * Return the parsed version as a SemVer object, or null if it's not valid.
     */
    export function parse(version: string | SemVer | null | undefined, optionsOrLoose?: boolean | Options): SemVer | null;

    /**
     * Return the parsed version as a string, or null if it's not valid.
     */
    export function valid(version: string | SemVer | null | undefined, optionsOrLoose?: boolean | Options): string | null;

    /**
     * Coerces a string to SemVer if possible
     */
    export function coerce(version: string | number | SemVer | null | undefined, options?: CoerceOptions): SemVer | null;

    /**
     * Returns cleaned (removed leading/trailing whitespace, remove '=v' prefix) and parsed version, or null if version is invalid.
     */
    export function clean(version: string, optionsOrLoose?: boolean | Options): string | null;

    /**
     * Return the version incremented by the release type (major, minor, patch, or prerelease), or null if it's not valid.
     */
    export function inc(version: string | SemVer, release: ReleaseType, optionsOrLoose?: boolean | Options, identifier?: string): string | null;
    export function inc(version: string | SemVer, release: ReleaseType, identifier?: string): string | null;

    /**
     * Return the major version number.
     */
    export function major(version: string | SemVer, optionsOrLoose?: boolean | Options): number;

    /**
     * Return the minor version number.
     */
    export function minor(version: string | SemVer, optionsOrLoose?: boolean | Options): number;

    /**
     * Return the patch version number.
     */
    export function patch(version: string | SemVer, optionsOrLoose?: boolean | Options): number;

    /**
     * Returns an array of prerelease components, or null if none exist.
     */
    export function prerelease(version: string | SemVer, optionsOrLoose?: boolean | Options): ReadonlyArray<string> | null;

    // Comparison
    /**
     * v1 > v2
     */
    export function gt(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;
    /**
     * v1 >= v2
     */
    export function gte(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;
    /**
     * v1 < v2
     */
    export function lt(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;
    /**
     * v1 <= v2
     */
    export function lte(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;
    /**
     * v1 == v2 This is true if they're logically equivalent, even if they're not the exact same string. You already know how to compare strings.
     */
    export function eq(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;
    /**
     * v1 != v2 The opposite of eq.
     */
    export function neq(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;

    /**
     * Pass in a comparison string, and it'll call the corresponding semver comparison function.
     * "===" and "!==" do simple string comparison, but are included for completeness.
     * Throws if an invalid comparison string is provided.
     */
    export function cmp(v1: string | SemVer, operator: Operator, v2: string | SemVer, optionsOrLoose?: boolean | Options): boolean;
    export type Operator = '===' | '!==' | '' | '=' | '==' | '!=' | '>' | '>=' | '<' | '<=';

    /**
     * Compares two versions excluding build identifiers (the bit after `+` in the semantic version string).
     *
     * Sorts in ascending order when passed to `Array.sort()`.
     *
     * @return
     * - `0` if `v1` == `v2`
     * - `1` if `v1` is greater
     * - `-1` if `v2` is greater.
     */
    export function compare(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): 1 | 0 | -1;
    /**
     * The reverse of compare.
     *
     * Sorts in descending order when passed to `Array.sort()`.
     */
    export function rcompare(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): 1 | 0 | -1;

    /**
     * Compares two identifiers, must be numeric strings or truthy/falsy values.
     *
     * Sorts in ascending order when passed to `Array.sort()`.
     */
    export function compareIdentifiers(a: string | null | undefined, b: string | null | undefined): 1 | 0 | -1;
    /**
     * The reverse of compareIdentifiers.
     *
     * Sorts in descending order when passed to `Array.sort()`.
     */
    export function rcompareIdentifiers(a: string | null | undefined, b: string | null | undefined): 1 | 0 | -1;

    /**
     * Compares two versions including build identifiers (the bit after `+` in the semantic version string).
     *
     * Sorts in ascending order when passed to `Array.sort()`.
     *
     * @return
     * - `0` if `v1` == `v2`
     * - `1` if `v1` is greater
     * - `-1` if `v2` is greater.
     *
     * @since 6.1.0
     */
    export function compareBuild(a: string | SemVer, b: string | SemVer): 1 | 0 | -1;

    /**
     * Sorts an array of semver entries in ascending order using `compareBuild()`.
     */
    export function sort<T extends string | SemVer>(list: T[], optionsOrLoose?: boolean | Options): T[];
    /**
     * Sorts an array of semver entries in descending order using `compareBuild()`.
     */
    export function rsort<T extends string | SemVer>(list: T[], optionsOrLoose?: boolean | Options): T[];

    /**
     * Returns difference between two versions by the release type (major, premajor, minor, preminor, patch, prepatch, or prerelease), or null if the versions are the same.
     */
    export function diff(v1: string | SemVer, v2: string | SemVer, optionsOrLoose?: boolean | Options): ReleaseType | null;

    // Ranges
    /**
     * Return the valid range or null if it's not valid
     */
    export function validRange(range: string | Range | null | undefined, optionsOrLoose?: boolean | Options): string;
    /**
     * Return true if the version satisfies the range.
     */
    export function satisfies(version: string | SemVer, range: string | Range, optionsOrLoose?: boolean | Options): boolean;
    /**
     * Return the highest version in the list that satisfies the range, or null if none of them do.
     */
    export function maxSatisfying<T extends string | SemVer>(versions: ReadonlyArray<T>, range: string | Range, optionsOrLoose?: boolean | Options): T | null;
    /**
     * Return the lowest version in the list that satisfies the range, or null if none of them do.
     */
    export function minSatisfying<T extends string | SemVer>(versions: ReadonlyArray<T>, range: string | Range, optionsOrLoose?: boolean | Options): T | null;
    /**
     * Return the lowest version that can possibly match the given range.
     */
    export function minVersion(range: string | Range, optionsOrLoose?: boolean | Options): SemVer | null;
    /**
     * Return true if version is greater than all the versions possible in the range.
     */
    export function gtr(version: string | SemVer, range: string | Range, optionsOrLoose?: boolean | Options): boolean;
    /**
     * Return true if version is less than all the versions possible in the range.
     */
    export function ltr(version: string | SemVer, range: string | Range, optionsOrLoose?: boolean | Options): boolean;
    /**
     * Return true if the version is outside the bounds of the range in either the high or low direction.
     * The hilo argument must be either the string '>' or '<'. (This is the function called by gtr and ltr.)
     */
    export function outside(version: string | SemVer, range: string | Range, hilo: '>' | '<', optionsOrLoose?: boolean | Options): boolean;
    /**
     * Return true if any of the ranges comparators intersect
     */
    export function intersects(range1: string | Range, range2: string | Range, optionsOrLoose?: boolean | Options): boolean;

    export class SemVer {
        constructor(version: string | SemVer, optionsOrLoose?: boolean | Options);

        raw: string;
        loose: boolean;
        options: Options;
        format(): string;
        inspect(): string;

        major: number;
        minor: number;
        patch: number;
        version: string;
        build: ReadonlyArray<string>;
        prerelease: ReadonlyArray<string | number>;

        /**
         * Compares two versions excluding build identifiers (the bit after `+` in the semantic version string).
         *
         * @return
         * - `0` if `this` == `other`
         * - `1` if `this` is greater
         * - `-1` if `other` is greater.
         */
        compare(other: string | SemVer): 1 | 0 | -1;

        /**
         * Compares the release portion of two versions.
         *
         * @return
         * - `0` if `this` == `other`
         * - `1` if `this` is greater
         * - `-1` if `other` is greater.
         */
        compareMain(other: string | SemVer): 1 | 0 | -1;

        /**
         * Compares the prerelease portion of two versions.
         *
         * @return
         * - `0` if `this` == `other`
         * - `1` if `this` is greater
         * - `-1` if `other` is greater.
         */
        comparePre(other: string | SemVer): 1 | 0 | -1;

        /**
         * Compares the build identifier of two versions.
         *
         * @return
         * - `0` if `this` == `other`
         * - `1` if `this` is greater
         * - `-1` if `other` is greater.
         */
        compareBuild(other: string | SemVer): 1 | 0 | -1;

        inc(release: ReleaseType, identifier?: string): SemVer;
    }

    export class Comparator {
        constructor(comp: string | Comparator, optionsOrLoose?: boolean | Options);

        semver: SemVer;
        operator: '' | '=' | '<' | '>' | '<=' | '>=';
        value: string;
        loose: boolean;
        options: Options;
        parse(comp: string): void;
        test(version: string | SemVer): boolean;
        intersects(comp: Comparator, optionsOrLoose?: boolean | Options): boolean;
    }

    export class Range {
        constructor(range: string | Range, optionsOrLoose?: boolean | Options);

        range: string;
        raw: string;
        loose: boolean;
        options: Options;
        includePrerelease: boolean;
        format(): string;
        inspect(): string;

        set: ReadonlyArray<ReadonlyArray<Comparator>>;
        parseRange(range: string): ReadonlyArray<Comparator>;
        test(version: string | SemVer): boolean;
        intersects(range: Range, optionsOrLoose?: boolean | Options): boolean;
    }

}