initial commit: scaffolding

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
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index 0000000..5d2080a
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+++ b/node_modules/rxjs/src/internal/NotificationFactories.ts
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+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,
+  };
+}