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Diffstat (limited to 'node_modules/rxjs/src/internal/NotificationFactories.ts')
| -rw-r--r-- | node_modules/rxjs/src/internal/NotificationFactories.ts | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/node_modules/rxjs/src/internal/NotificationFactories.ts b/node_modules/rxjs/src/internal/NotificationFactories.ts new file mode 100644 index 0000000..5d2080a --- /dev/null +++ b/node_modules/rxjs/src/internal/NotificationFactories.ts @@ -0,0 +1,40 @@ +import { CompleteNotification, NextNotification, ErrorNotification } from './types'; + +/** + * A completion object optimized for memory use and created to be the + * same "shape" as other notifications in v8. + * @internal + */ +export const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)(); + +/** + * Internal use only. Creates an optimized error notification that is the same "shape" + * as other notifications. + * @internal + */ +export function errorNotification(error: any): ErrorNotification { + return createNotification('E', undefined, error) as any; +} + +/** + * Internal use only. Creates an optimized next notification that is the same "shape" + * as other notifications. + * @internal + */ +export function nextNotification<T>(value: T) { + return createNotification('N', value, undefined) as NextNotification<T>; +} + +/** + * Ensures that all notifications created internally have the same "shape" in v8. + * + * TODO: This is only exported to support a crazy legacy test in `groupBy`. + * @internal + */ +export function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) { + return { + kind, + value, + error, + }; +} |
