perspectives WIP

packages/web/src/utility/usePerspectiveConfig.ts

@@ -0,0 +1,25 @@
+import { createPerspectiveConfig } from 'dbgate-datalib';
+import { writable } from 'svelte/store';
+import { onDestroy } from 'svelte';
+
+function doLoadPerspectiveConfigFunc(tabid) {
+  try {
+    const existing = localStorage.getItem(`tabdata_perspective_${tabid}`);
+    if (existing) {
+      return {
+        ...createPerspectiveConfig(),
+        ...JSON.parse(existing),
+      };
+    }
+  } catch (err) {
+    console.warn('Error loading perspective config:', err.message);
+  }
+  return createPerspectiveConfig();
+}
+
+export default function usePerspectiveConfig(tabid) {
+  const config = writable(doLoadPerspectiveConfigFunc(tabid));
+  const unsubscribe = config.subscribe(value => localStorage.setItem(`tabdata_perspective_${tabid}`, JSON.stringify(value)));
+  onDestroy(unsubscribe);
+  return config;
+}