feat: lazy parallel loading of lightning address data

getAlby · Aug 5, 2024 · fd9646b · fd9646b
1 parent 939b5ee
commit fd9646b
Showing 1 changed file with 41 additions and 15 deletions.
diff --git a/src/lightning-address.ts b/src/lightning-address.ts
@@ -82,26 +82,31 @@ export default class LightningAddress {
     if (!this.domain || !this.username) {
       return;
     }
-    const lnurlResult = await fetch(this.lnurlpUrl());
-    const keysendResult = await fetch(this.keysendUrl());
-    const nostrResult = await fetch(this.nostrUrl());
 
-    let lnurlData: LnUrlRawData | undefined;
-    if (lnurlResult.ok) {
-      lnurlData = await lnurlResult.json();
-    }
-    let keysendData: KeySendRawData | undefined;
-    if (keysendResult.ok) {
-      keysendData = await keysendResult.json();
-    }
-    let nostrData: NostrResponse | undefined;
-    if (nostrResult.ok) {
-      nostrData = await nostrResult.json();
-    }
+    const [lnurlData, keysendData, nostrData] = await Promise.all([
+      this.requestLnurlData(),
+      this.requestKeysendData(),
+      this.requestNostrData(),
+    ]);
 
     await this.parseResponse(lnurlData, keysendData, nostrData);
   }
 
+  async fetchLnurlData() {
+    const lnurlData = await this.requestLnurlData();
+    await this.parseResponse(lnurlData, undefined, undefined);
+  }
+
+  async fetchKeysendData() {
+    const keysendData = await this.requestKeysendData();
+    await this.parseResponse(undefined, keysendData, undefined);
+  }
+
+  async fetchNostrData() {
+    const nostrData = await this.requestNostrData();
+    await this.parseResponse(undefined, undefined, nostrData);
+  }
+
   lnurlpUrl() {
     return `https://${this.domain}/.well-known/lnurlp/${this.username}`;
   }
@@ -249,6 +254,27 @@ export default class LightningAddress {
     return response;
   }
 
+  private async requestLnurlData(): Promise<LnUrlRawData | undefined> {
+    const lnurlResult = await fetch(this.lnurlpUrl());
+    if (lnurlResult.ok) {
+      return lnurlResult.json();
+    }
+  }
+
+  private async requestKeysendData(): Promise<KeySendRawData | undefined> {
+    const keysendResult = await fetch(this.keysendUrl());
+    if (keysendResult.ok) {
+      return keysendResult.json();
+    }
+  }
+
+  private async requestNostrData(): Promise<NostrResponse | undefined> {
+    const nostrResult = await fetch(this.nostrUrl());
+    if (nostrResult.ok) {
+      return nostrResult.json();
+    }
+  }
+
   private async parseResponse(
     lnurlpData: LnUrlRawData | undefined,
     keysendData: KeySendRawData | undefined,