1 files changed, 49 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/context/iocContext.ts b/packages/taler-wallet-webextension/src/context/iocContext.ts
new file mode 100644
index 000000000..688e7b488
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/context/iocContext.ts
@@ -0,0 +1,49 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ *
+ * @author Sebastian Javier Marchano (sebasjm)
+ */
+
+import { createContext, h, VNode } from "preact";
+import { useContext } from "preact/hooks";
+import { findTalerUriInActiveTab } from "../api/browser";
+
+interface Type {
+  findTalerUriInActiveTab: () => Promise<string | undefined>;
+}
+const Context = createContext<Type>({
+  findTalerUriInActiveTab: async () => undefined,
+});
+
+/**
+ * Inversion of control Context
+ * 
+ * This context act as a proxy between API that need to be replaced in 
+ * different environments
+ * 
+ * @returns 
+ */
+export const useIocContext = (): Type => useContext(Context);
+
+export const IoCProviderForTesting = ({ value, children }: { value: Type, children: any }): VNode => {
+  return h(Context.Provider, { value, children });
+};
+
+export const IoCProviderForRuntime = ({ children }: { children: any }): VNode => {
+  return h(Context.Provider, { value: { findTalerUriInActiveTab }, children });
+};