/**
* This works around an issue with the standard MSAL Node cache plugin
* import { cachePersistencePlugin } from "@azure/identity-cache-persistence";
*
* Where when Claude tries to run it, node:path module is unable to be resolved
*/
import { IdentityPlugin, TokenCachePersistenceOptions } from "@azure/identity";
import { ICachePlugin, TokenCacheContext } from "@azure/msal-node";
import { readJsonCache, writeJsonCache } from "./jsonCache";
interface CachePluginControl {
setPersistence(
persistenceFactory: (
options?: TokenCachePersistenceOptions,
) => Promise<ICachePlugin>,
): void;
}
interface AzurePluginContext {
cachePluginControl: CachePluginControl;
}
const createPersistenceCachePlugin = async (
_options?: TokenCachePersistenceOptions,
): Promise<ICachePlugin> => {
return {
async beforeCacheAccess(cacheContext: TokenCacheContext): Promise<void> {
const tokenCache = readJsonCache("token-cache");
if (tokenCache) {
cacheContext.tokenCache.deserialize(tokenCache);
}
},
async afterCacheAccess(cacheContext: TokenCacheContext): Promise<void> {
// Save cache data if it has changed
if (cacheContext.cacheHasChanged) {
writeJsonCache("token-cache", cacheContext.tokenCache.serialize());
}
await Promise.resolve();
},
};
};
export const cachePersistencePlugin: IdentityPlugin = (context) => {
const { cachePluginControl } = context as AzurePluginContext;
cachePluginControl.setPersistence(createPersistenceCachePlugin);
};
