Function isPreviewContext

packages/decap-cms-lib-util/src/API.ts:311–316

(context: string, previewContext: string)

 * otherwise checks for inclusion of a value from `PREVIEW_CONTEXT_KEYWORDS`.
 */
export function isPreviewContext(context: string, previewContext: string) {
  if (previewContext) {
    return context === previewContext;
  }
  return PREVIEW_CONTEXT_KEYWORDS.some(keyword => context.includes(keyword));
}

export enum PreviewState {
  Other = 'other',