1 files changed, 30 insertions, 0 deletions
diff --git a/node_modules/rxjs/src/internal/util/EmptyError.ts b/node_modules/rxjs/src/internal/util/EmptyError.ts
new file mode 100644
index 0000000..eb2c5e3
--- /dev/null
+++ b/node_modules/rxjs/src/internal/util/EmptyError.ts
@@ -0,0 +1,30 @@
+import { createErrorClass } from './createErrorClass';
+
+export interface EmptyError extends Error {}
+
+export interface EmptyErrorCtor {
+  /**
+   * @deprecated Internal implementation detail. Do not construct error instances.
+   * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269
+   */
+  new (): EmptyError;
+}
+
+/**
+ * An error thrown when an Observable or a sequence was queried but has no
+ * elements.
+ *
+ * @see {@link first}
+ * @see {@link last}
+ * @see {@link single}
+ * @see {@link firstValueFrom}
+ * @see {@link lastValueFrom}
+ */
+export const EmptyError: EmptyErrorCtor = createErrorClass(
+  (_super) =>
+    function EmptyErrorImpl(this: any) {
+      _super(this);
+      this.name = 'EmptyError';
+      this.message = 'no elements in sequence';
+    }
+);