feat: add ability to disable cache with ttl

Author: 2color

packages/client/src/client.ts

@@ -55,16 +55,17 @@ export class DefaultDelegatedRoutingV1HttpApiClient implements DelegatedRoutingV
     this.contentRouting = new DelegatedRoutingV1HttpApiClientContentRouting(this)
     this.peerRouting = new DelegatedRoutingV1HttpApiClientPeerRouting(this)
 
-    const cacheEnabled = typeof globalThis.caches !== 'undefined'
+    this.cacheTTL = init.cacheTTL ?? defaultValues.cacheTTL
+    const cacheEnabled = (typeof globalThis.caches !== 'undefined') && (this.cacheTTL > 0)
+
     if (cacheEnabled) {
-      log('cache enabled')
+      log('cache enabled with ttl %d', this.cacheTTL)
       globalThis.caches.open('delegated-routing-v1-cache').then(cache => {
         this.cache = cache
       }).catch(() => {
         this.cache = undefined
       })
     }
-    this.cacheTTL = init.cacheTTL ?? defaultValues.cacheTTL
   }
 
   get [contentRoutingSymbol] (): ContentRouting {

packages/client/src/index.ts

@@ -127,6 +127,7 @@ export interface DelegatedRoutingV1HttpApiClientInit extends FilterOptions {
 
   /**
    * How long to cache responses for in ms (default: 5 minutes)
+   * If 0, caching is disabled
    */
   cacheTTL?: number
 }

packages/client/test/index.spec.ts

@@ -21,7 +21,7 @@ describe('delegated-routing-v1-http-api-client', () => {
   let client: DelegatedRoutingV1HttpApiClient
 
   beforeEach(() => {
-    client = createDelegatedRoutingV1HttpApiClient(new URL(serverUrl))
+    client = createDelegatedRoutingV1HttpApiClient(new URL(serverUrl), { cacheTTL: 0 })
   })
 
   afterEach(async () => {

packages/client/test/routings.spec.ts

@@ -23,7 +23,7 @@ describe('libp2p content-routing', () => {
   let client: DelegatedRoutingV1HttpApiClient
 
   beforeEach(() => {
-    client = createDelegatedRoutingV1HttpApiClient(new URL(serverUrl))
+    client = createDelegatedRoutingV1HttpApiClient(new URL(serverUrl), { cacheTTL: 0 })
   })
 
   afterEach(async () => {