function randomInt (low: number, high: number) { return Math.floor(Math.random() * (high - low) + low) } // Thanks https://stackoverflow.com/a/16187766 function compareSemVer (a: string, b: string) { const regExStrip0 = /(\.0+)+$/ const segmentsA = a.replace(regExStrip0, '').split('.') const segmentsB = b.replace(regExStrip0, '').split('.') const l = Math.min(segmentsA.length, segmentsB.length) for (let i = 0; i < l; i++) { const diff = parseInt(segmentsA[ i ], 10) - parseInt(segmentsB[ i ], 10) if (diff) return diff } return segmentsA.length - segmentsB.length } function isPromise (value: any) { return value && typeof value.then === 'function' } function isCatchable (value: any) { return value && typeof value.catch === 'function' } export { randomInt, compareSemVer, isPromise, isCatchable }