Add trusted links to state

src/redux/reducers/trusted_links.ts

@@ -0,0 +1,37 @@
+export interface TrustedLinks {
+    domains?: string[];
+}
+
+export type TrustedLinksAction =
+    | { type: undefined }
+    | {
+          type: "TRUSTED_LINKS_ADD_DOMAIN";
+          domain: string;
+      }
+    | {
+          type: "TRUSTED_LINKS_REMOVE_DOMAIN";
+          domain: string;
+      };
+
+export function trustedLinks(
+    state = {} as TrustedLinks,
+    action: TrustedLinksAction,
+): TrustedLinks {
+    switch (action.type) {
+        case "TRUSTED_LINKS_ADD_DOMAIN":
+            return {
+                ...state,
+                domains: [
+                    ...(state.domains ?? []).filter((v) => v !== action.domain),
+                    action.domain,
+                ],
+            };
+        case "TRUSTED_LINKS_REMOVE_DOMAIN":
+            return {
+                ...state,
+                domains: state.domains?.filter((v) => v !== action.domain),
+            };
+        default:
+            return state;
+    }
+}