Initial commit: Book management system with Rust Loco backend and Vue 3 frontend

2026-04-30 00:26:47 +08:00
commit 1f22546766
11332 changed files with 1076475 additions and 0 deletions
@@ -0,0 +1,27 @@
+import { EmptyError } from './util/EmptyError';
+export function lastValueFrom(source, config) {
+    const hasConfig = typeof config === 'object';
+    return new Promise((resolve, reject) => {
+        let _hasValue = false;
+        let _value;
+        source.subscribe({
+            next: (value) => {
+                _value = value;
+                _hasValue = true;
+            },
+            error: reject,
+            complete: () => {
+                if (_hasValue) {
+                    resolve(_value);
+                }
+                else if (hasConfig) {
+                    resolve(config.defaultValue);
+                }
+                else {
+                    reject(new EmptyError());
+                }
+            },
+        });
+    });
+}
+//# sourceMappingURL=lastValueFrom.js.map