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const LATEST_VERSION_URL = "https://pi.dev/api/latest-version";const DEFAULT_VERSION_CHECK_TIMEOUT_MS = 10000;
export interface LatestPiRelease { version: string; packageName?: string; note?: string;}
interface ParsedVersion { major: number; minor: number; patch: number; prerelease?: string;}
function parsePackageVersion(version: string): ParsedVersion | undefined { const match = version.trim().match(/^v?(\d+)\.(\d+)\.(\d+)(?:-([0-9A-Za-z.-]+))?(?:\+.*)?$/); if (!match) { return undefined; } return { major: Number.parseInt(match[1], 10), minor: Number.parseInt(match[2], 10), patch: Number.parseInt(match[3], 10), prerelease: match[4], };}
export function comparePackageVersions(leftVersion: string, rightVersion: string): number | undefined { const left = parsePackageVersion(leftVersion); const right = parsePackageVersion(rightVersion); if (!left || !right) { return undefined; }
if (left.major !== right.major) return left.major - right.major; if (left.minor !== right.minor) return left.minor - right.minor; if (left.patch !== right.patch) return left.patch - right.patch; if (left.prerelease === right.prerelease) return 0; if (!left.prerelease) return 1; if (!right.prerelease) return -1; return left.prerelease.localeCompare(right.prerelease);}
export function isNewerPackageVersion(candidateVersion: string, currentVersion: string): boolean { const comparison = comparePackageVersions(candidateVersion, currentVersion); if (comparison !== undefined) { return comparison > 0; } return candidateVersion.trim() !== currentVersion.trim();}
export async function getLatestPiRelease( currentVersion: string, options: { timeoutMs?: number } = {},): Promise<LatestPiRelease | undefined> { if (process.env.PI_SKIP_VERSION_CHECK || process.env.PI_OFFLINE) return undefined;
const response = await fetch(LATEST_VERSION_URL, { headers: { "User-Agent": getPiUserAgent(currentVersion), accept: "application/json", }, signal: AbortSignal.timeout(options.timeoutMs ?? DEFAULT_VERSION_CHECK_TIMEOUT_MS), }); if (!response.ok) return undefined;
const data = (await response.json()) as { packageName?: unknown; version?: unknown; note?: unknown; }; if (typeof data.version !== "string" || !data.version.trim()) { return undefined; } const packageName = typeof data.packageName === "string" && data.packageName.trim() ? data.packageName.trim() : undefined; const note = typeof data.note === "string" && data.note.trim() ? data.note.trim() : undefined; return { version: data.version.trim(), packageName, ...(note ? { note } : {}), };}
export async function getLatestPiVersion( currentVersion: string, options: { timeoutMs?: number } = {},): Promise<string | undefined> { return (await getLatestPiRelease(currentVersion, options))?.version;}
export async function checkForNewPiVersion(currentVersion: string): Promise<LatestPiRelease | undefined> { try { const latestRelease = await getLatestPiRelease(currentVersion); if (latestRelease && isNewerPackageVersion(latestRelease.version, currentVersion)) { return latestRelease; } return undefined; } catch { return undefined; }}