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const MIN_NODE_VERSION = "22.22.0";

const PREFERRED_NODE_MAJOR = 24;

function parseNodeVersion(version) {

const [major = "0", minor = "0", patch = "0"] = version.replace(/^v/, "").split(".");

return {

major: Number.parseInt(major, 10) || 0,

minor: Number.parseInt(minor, 10) || 0,

patch: Number.parseInt(patch, 10) || 0,

};

}

function compareNodeVersions(left, right) {

if (left.major !== right.major) return left.major - right.major;

if (left.minor !== right.minor) return left.minor - right.minor;

return left.patch - right.patch;

}

function isSupportedNodeVersion(version = process.versions.node) {

return compareNodeVersions(parseNodeVersion(version), parseNodeVersion(MIN_NODE_VERSION)) >= 0;

}

function getUnsupportedNodeVersionLines(version = process.versions.node) {

const isWindows = process.platform === "win32";

return [

`feynman requires Node.js ${MIN_NODE_VERSION} or newer (detected ${version}).`,

isWindows

? "Install a supported Node.js release from https://nodejs.org, or use the standalone installer:"

: `Switch to a supported Node release with \`nvm install ${PREFERRED_NODE_MAJOR} && nvm use ${PREFERRED_NODE_MAJOR}\`, or use the standalone installer:`,

isWindows

? "irm https://feynman.is/install.ps1 | iex"

: "curl -fsSL https://feynman.is/install | bash",

];

}

if (!isSupportedNodeVersion()) {

for (const line of getUnsupportedNodeVersionLines()) {

console.error(line);

}

process.exit(1);

}