[taler-wallet-core] 01/03: handle error

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nora-grothoff pushed a commit to branch master
in repository wallet-core.

commit 9b1d1feacd62d259cd56d6ed781d3ed34176db43
Author: Nullptrderef <nullptrderef@proton.me>
AuthorDate: Sun Apr 21 09:48:22 2024 +0200

    handle error
---
 .../src/pages/home/AddingProviderScreen/index.ts   | 27 ++++++++++++++++------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git 
a/packages/anastasis-webui/src/pages/home/AddingProviderScreen/index.ts 
b/packages/anastasis-webui/src/pages/home/AddingProviderScreen/index.ts
index 0ab275f54..7da3ea217 100644
--- a/packages/anastasis-webui/src/pages/home/AddingProviderScreen/index.ts
+++ b/packages/anastasis-webui/src/pages/home/AddingProviderScreen/index.ts
@@ -24,7 +24,7 @@ import { WithoutProviderType, WithProviderType } from 
"./views.js";
 export type AuthProvByStatusMap = Record<
   AuthenticationProviderStatus["status"],
   (AuthenticationProviderStatus & { url: string })[]
->
+>;
 
 export type State = NoReducer | InvalidState | WithType | WithoutType;
 
@@ -63,16 +63,29 @@ const map: StateViewMap<State> = {
   "without-type": WithoutProviderType,
 };
 
-export default compose("AddingProviderScreen", useComponentState, map)
-
+export default compose("AddingProviderScreen", useComponentState, map);
 
 export async function testProvider(
   url: string,
   expectedMethodType?: string,
 ): Promise<void> {
   try {
-    const response = await fetch(new URL("config", url).href);
-    const json = await response.json().catch((d) => ({}));
+    // TODO: look into using core.getProviderInfo :)
+    const json = await fetch(new URL("config", url).href)
+      .catch((error) => {
+        console.error("Provider HTTP Error:", error);
+        throw new Error(
+          "Encountered a fatal error whilst testing the provider: " + url,
+        );
+      })
+      .then((response) =>
+        response.json().catch((error) => {
+          console.error("Provider Parsing Error:", error);
+          throw new Error(
+            "Encountered a fatal error whilst testing the provider: " + url,
+          );
+        }),
+      );
     if (!("methods" in json) || !Array.isArray(json.methods)) {
       throw Error(
         "This provider doesn't have authentication method. Check the provider 
URL",
@@ -96,8 +109,8 @@ export async function testProvider(
     const error =
       e instanceof Error
         ? Error(
-          `There was an error testing this provider, try another one. 
${e.message}`,
-        )
+            `There was an error testing this provider, try another one. 
${e.message}`,
+          )
         : Error(`There was an error testing this provider, try another one.`);
     throw error;
   }

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