Function getEnvVar

packages/cloudflare/src/options.ts:21–25

(env: unknown, varName: keyof T)

}

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'
    ? ((env as T)[varName] as string)
    : undefined;
}

/**
 * Merges the options passed in from the user with the options we read from