release-type.ts

import { ReleaseType } from "semver";

export { ReleaseType };

/**
 * The different types of pre-releases.
 */
export const prereleaseTypes: ReleaseType[] = ["premajor", "preminor", "prepatch", "prerelease"];

/**
 * All possible release types.
 */
export const releaseTypes: ReleaseType[] = prereleaseTypes.concat(["major", "minor", "patch"]);


/**
 * Determines whether the specified value is a pre-release.
 */
export function isPrerelease(value: any): boolean {
  return prereleaseTypes.includes(value);
}

/**
 * Determines whether the specified value is a valid ReleaseType string.
 */
export function isReleaseType(value: any): value is ReleaseType {
  return releaseTypes.includes(value);
}