Function base64UrlEncode

packages/opencode/src/plugin/xai.ts:69–72

(buffer: ArrayBuffer)

}

function base64UrlEncode(buffer: ArrayBuffer): string {
  const binary = String.fromCharCode(...new Uint8Array(buffer))
  return btoa(binary).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "")
}

function generateState(): string {
  return base64UrlEncode(crypto.getRandomValues(new Uint8Array(32)).buffer)