base64 decode script

packages/bridge-ui/src/libs/token/fetchNFTImageUrl.ts

@@ -1,8 +1,8 @@
-import { decodeBase64ToJson } from 'scripts/utils/decodeBase64ToJson';
 import { get } from 'svelte/store';
 
 import { destNetwork } from '$components/Bridge/state';
 import { fetchNFTMetadata } from '$libs/token/fetchNFTMetadata';
+import { decodeBase64ToJson } from '$libs/util/decodeBase64ToJson';
 import { getLogger } from '$libs/util/logger';
 import { resolveIPFSUri } from '$libs/util/resolveIPFSUri';
 import { addMetadataToCache, isMetadataCached } from '$stores/metadata';

packages/bridge-ui/src/libs/token/fetchNFTMetadata.ts

@@ -1,10 +1,10 @@
 import axios, { AxiosError, type AxiosRequestConfig } from 'axios';
-import { decodeBase64ToJson } from 'scripts/utils/decodeBase64ToJson';
 import { get } from 'svelte/store';
 
 import { destNetwork } from '$components/Bridge/state';
 import { ipfsConfig } from '$config';
 import { FetchMetadataError, NoMetadataFoundError, WrongChainError } from '$libs/error';
+import { decodeBase64ToJson } from '$libs/util/decodeBase64ToJson';
 import { getLogger } from '$libs/util/logger';
 import { resolveIPFSUri } from '$libs/util/resolveIPFSUri';
 import { getMetadataFromCache, isMetadataCached, metadataCache } from '$stores/metadata';

packages/bridge-ui/src/libs/util/decodeBase64ToJson.ts

@@ -0,0 +1,10 @@
+import { Buffer } from 'buffer';
+
+export const decodeBase64ToJson = (base64: string) => {
+  try {
+    const decodedString = Buffer.from(base64, 'base64').toString('utf-8');
+    return JSON.parse(decodedString);
+  } catch (error) {
+    throw new Error('Failed to decode and parse JSON from base64: ' + (error as Error).message);
+  }
+};