oven-sh/bun · error

Unsupported architecture: ${string}

Error message

Unsupported architecture: ${string}

What it means

Error "Unsupported architecture: ${string}" thrown in oven-sh/bun.

Source

Thrown at scripts/utils.mjs:1393

/**
 * @returns {"darwin" | "linux" | "windows" | "freebsd"}
 */
export function getOs() {
  return parseOs(process.platform);
}

/**
 * @param {string} string
 * @returns {"x64" | "aarch64"}
 */
export function parseArch(string) {
  if (/x64|amd64|x86_64/i.test(string)) {
    return "x64";
  }
  if (/arm64|aarch64/i.test(string)) {
    return "aarch64";
  }
  throw new Error(`Unsupported architecture: ${string}`);
}

/**
 * @returns {"x64" | "aarch64"}
 */
export function getArch() {
  return parseArch(process.arch);
}

/**
 * @returns {string | undefined}
 */
export function getKernel() {
  if (isWindows) {
    return;
  }

  const kernel = release();

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at scripts/utils.mjs:1393 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/50d780839101e506. Report an issue: GitHub.