Compare versions and test semantic version ranges.
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Node.js 22+ · ES module (.mjs)
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Install dependencies
npm install semverimport { valid, validRange, compare, satisfies } from "semver";
const version = "1.2.3", other = "1.3.0", range = "^1.2.0";
if (!valid(version) || !valid(other) || !validRange(range)) throw new Error("Invalid SemVer");
console.log(compare(version, other)); // -1, 0, or 1
console.log(satisfies(version, range));Compare versions and test semantic version ranges.
Uses SemVer and npm range rules, including their prerelease behavior.
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