From 45c07a5f451a2f14facba5fbfa22dbd5cbe4677f Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Sat, 22 Apr 2023 19:22:06 -0500
Subject: [PATCH] nip27: make `matchAll` a generator function

---
 nip27.test.js | 2 +-
 nip27.ts      | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/nip27.test.js b/nip27.test.js
index 2946722..24c63ac 100644
--- a/nip27.test.js
+++ b/nip27.test.js
@@ -6,7 +6,7 @@ test('matchAll', () => {
     'Hello nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6!\n\nnostr:note1gmtnz6q2m55epmlpe3semjdcq987av3jvx4emmjsa8g3s9x7tg4sclreky'
   )
 
-  expect(result).toEqual([
+  expect([...result]).toEqual([
     {
       uri: 'nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6',
       value: 'npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6',
diff --git a/nip27.ts b/nip27.ts
index 00bcad4..7fa5be8 100644
--- a/nip27.ts
+++ b/nip27.ts
@@ -14,20 +14,20 @@ export interface NostrURIMatch extends nip21.NostrURI {
 }
 
 /** Find and decode all NIP-21 URIs. */
-export function matchAll(content: string): NostrURIMatch[] {
+export function * matchAll(content: string): Iterable<NostrURIMatch> {
   const matches = content.matchAll(regex())
 
-  return [...matches].map(match => {
+  for (const match of matches) {
     const [uri, value] = match
 
-    return {
+    yield {
       uri: uri as `nostr:${string}`,
       value,
       decoded: nip19.decode(value),
       start: match.index!,
       end: match.index! + uri.length
     }
-  })
+  }
 }
 
 /**