We do a little refactoring

src/api/statuses.ts

@@ -1,11 +1,10 @@
 import { validator, z } from '@/deps.ts';
+import { type Event } from '@/nostr/event.ts';
 
 import publish from '../publisher.ts';
 import { toStatus } from '../transmute.ts';
 import { getKeys } from '../utils.ts';
 
-import type { Event } from '../event.ts';
-
 const createStatusSchema = z.object({
   status: z.string(),
 });

src/client.ts

@@ -1,8 +1,8 @@
 import { Author, RelayPool } from '@/deps.ts';
+import { type Event, type SignedEvent } from '@/nostr/event.ts';
 
 import { poolRelays } from './config.ts';
 
-import type { Event, SignedEvent } from './event.ts';
 import { eventDateComparator, nostrNow } from './utils.ts';
 
 const pool = new RelayPool(poolRelays);

src/gossip.ts

@@ -1,6 +1,6 @@
-import { parseRelay } from './schema.ts';
+import { type Event } from '@/nostr/event.ts';
 
-import type { Event } from './event.ts';
+import { parseRelay } from './schema.ts';
 
 /** Gets relays which pertain to the author from the event. */
 function getAuthorRelays(event: Event): URL[] {

src/handler.ts

@@ -1,9 +1,8 @@
 import { gossipDB } from '@/db.ts';
+import { type Event } from '@/nostr/event.ts';
 
 import { getAuthorRelays } from './gossip.ts';
 
-import type { Event } from './event.ts';
-
 function handleEvent(event: Event): void {
   handleRelays(event);
 }

src/nostr/events/kind-0.ts

@@ -0,0 +1,32 @@
+import { z } from '@/deps.ts';
+
+import { type Event } from '../event.ts';
+
+const optionalString = z.string().optional().catch(undefined);
+
+const metaContentSchema = z.object({
+  name: optionalString,
+  about: optionalString,
+  picture: optionalString,
+  banner: optionalString,
+  nip05: optionalString,
+  lud16: optionalString,
+});
+
+/** Author metadata from Event<0>. */
+type MetaContent = z.infer<typeof metaContentSchema>;
+
+/**
+ * Get (and validate) data from a kind 0 event.
+ * https://github.com/nostr-protocol/nips/blob/master/01.md
+ */
+function parseContent(event: Event<0>): MetaContent {
+  try {
+    const json = JSON.parse(event.content);
+    return metaContentSchema.parse(json);
+  } catch (_e) {
+    return {};
+  }
+}
+
+export { type MetaContent, metaContentSchema, parseContent };

src/publisher.ts

@@ -1,10 +1,9 @@
 import { getEventHash, signEvent } from '@/deps.ts';
+import { type Event } from '@/nostr/event.ts';
 
 import { pool } from './client.ts';
 import { publishRelays } from './config.ts';
 
-import type { Event } from './event.ts';
-
 /** Publish an event to the Nostr relay. */
 function publish(event: Event, privatekey: string, relays = publishRelays): void {
   event.id = getEventHash(event);

src/schema.ts

@@ -9,26 +9,13 @@ const jsonSchema = z.string().transform((value, ctx) => {
   }
 });
 
-const optionalString = z.string().optional().catch(undefined);
-
-const metaContentSchema = z.object({
-  name: optionalString,
-  about: optionalString,
-  picture: optionalString,
-  banner: optionalString,
-  nip05: optionalString,
-  lud16: optionalString,
-});
-
-type MetaContent = z.infer<typeof metaContentSchema>;
-
-/** It's like `safeParse` except it returns `T` on success and `undefined` on fail. */
-function parseish<T>(schema: z.ZodType<T>, value: unknown): T | undefined {
+/** Alias for `safeParse`, but instead of returning a success object it returns the value (or undefined on fail). */
+function parseValue<T>(schema: z.ZodType<T>, value: unknown): T | undefined {
   const result = schema.safeParse(value);
   return result.success ? result.data : undefined;
 }
 
-const parseRelay = (relay: string | URL) => parseish(relaySchema, relay);
+const parseRelay = (relay: string | URL) => parseValue(relaySchema, relay);
 
 const relaySchema = z.custom<URL>((relay) => {
   if (typeof relay !== 'string') return false;
@@ -40,5 +27,4 @@ const relaySchema = z.custom<URL>((relay) => {
   }
 });
 
-export { jsonSchema, metaContentSchema, parseRelay, relaySchema };
-export type { MetaContent };
+export { jsonSchema, parseRelay, relaySchema };

src/transmute.ts

@@ -1,19 +1,12 @@
 import { nip19 } from '@/deps.ts';
+import { type Event } from '@/nostr/event.ts';
+import { type MetaContent, parseContent } from '@/nostr/events/kind-0.ts';
 
 import { LOCAL_DOMAIN } from './config.ts';
 import { fetchUser } from './client.ts';
-import { jsonSchema, MetaContent, metaContentSchema } from './schema.ts';
-
-import type { Event } from './event.ts';
 
 const DEFAULT_AVATAR = 'https://gleasonator.com/images/avi.png';
 
-function parseContent(event: Event<0>): MetaContent {
-  const json = jsonSchema.parse(event.content);
-  const result = metaContentSchema.safeParse(json);
-  return result.success ? result.data : {};
-}
-
 function toAccount(event: Event<0>) {
   const { pubkey } = event;
   const { name, nip05, picture, banner, about }: MetaContent = parseContent(event);

src/utils.ts

@@ -1,6 +1,5 @@
 import { Context, getPublicKey } from '@/deps.ts';
-
-import type { Event } from './event.ts';
+import { type Event } from '@/nostr/event.ts';
 
 /** Get the current time in Nostr format. */
 const nostrNow = () => Math.floor(new Date().getTime() / 1000);