Function isVersionMetadata

packages/cloudflare/src/options.ts:17–19

* Checks if the value is a valid CF_VERSION_METADATA binding.

(value: unknown)

 * Checks if the value is a valid CF_VERSION_METADATA binding.
 */
function isVersionMetadata(value: unknown): value is CfVersionMetadata {
  return typeof value === 'object' && value !== null && 'id' in value && typeof value.id === 'string';
}

function getEnvVar<T extends Record<string, unknown>>(env: unknown, varName: keyof T): string | undefined {
  return typeof env === 'object' && env !== null && varName in env && typeof (env as T)[varName] === 'string'