command enabling refactor

packages/web/src/commands/invalidateCommands.ts

@@ -0,0 +1,30 @@
+import { tick } from 'svelte';
+import { commands } from '../stores';
+
+let isInvalidated = false;
+
+export default async function invalidateCommands() {
+  if (isInvalidated) return;
+  isInvalidated = true;
+  await tick();
+
+  isInvalidated = false;
+
+  commands.update(dct => {
+    let res = null;
+    for (const key of Object.keys(dct)) {
+      const command = dct[key];
+      const { testEnabled } = command;
+      let enabled = command.enabled;
+      if (testEnabled) enabled = testEnabled();
+      if (enabled != command.enabled) {
+        if (!res) res = { ...dct };
+        res[key] = {
+          ...command,
+          enabled,
+        };
+      }
+    }
+    return res || dct;
+  });
+}