Fix unknown committers causing crash

lib/hash.js

@@ -0,0 +1,5 @@
+import { createHash } from 'node:crypto'
+
+export default function hash(string) {
+	return createHash('md5').update(string).digest().toString('hex')
+}

server.js

@@ -4,6 +4,7 @@ import { Eta } from 'eta'
 import render, { renderHtml } from './lib/render.js'
 import languageColors from './lib/languagecolors.js'
 import fetch from 'node-fetch'
+import hash from './lib/hash.js'
 // satori is using the native fetch api, causing a warning, so make node-fetch the default
 globalThis.fetch = fetch
 
@@ -109,7 +110,12 @@ app.get('/:owner/:repo/commit/:hash', async function (req, res) {
 			repository: {
 				full_name: `${req.params.owner}/${req.params.repo}`
 			},
-			committer: commit.committer,
+			committer: commit.committer ?? {
+				...commit.commit.author,
+				avatar_url: `${forgejoBaseUrl}/avatar/${hash(
+					commit.commit.author.email.toLowerCase()
+				)}`
+			},
 			stats: commit.stats,
 			created_at: commit.created
 		},

views/commit.eta

@@ -25,7 +25,7 @@
 	<%~ include('partials/commit-stats.eta', {stats: it.commit.stats}) %>
 	<div class="info-line">
 		<img class="avatar" width="48" height="48" src="<%= it.commit.committer.avatar_url %>?size=48"></img>
-		<p class="author"><%= it.commit.committer.full_name || it.commit.committer.login %></p>
+		<p class="author"><%= it.commit.committer.full_name || it.commit.committer.name || it.commit.committer.login %></p>
 		<p>committed <%= new Intl.DateTimeFormat('en-US', { dateStyle: 'long' }).format(new Date(it.commit.created_at)) %></p>
 		<%~ include('icons/code-commit.eta') %>
 		<p><%= it.commit.sha.slice(0, 7) %></p>