Function readFallbackDirective

readFallbackDirective(
headers: { get(name: string): string | null },
): FallbackDirective
Reads the FDv1 fallback directive from response headers. Returns { fdv1Fallback: false } when x-ld-fd-fallback is absent or not "true".
Parameters
- headers: { get(name: string): string | null }
  Header accessor. The get method must accept header names in any casing; callers normalize to lowercase before calling this function.
Returns FallbackDirective
- Defined in packages/shared/common/dist/esm/internal/fdv2/fallbackDirective.d.ts:26