From 0d7826b90ae361ea0be0e8beef0b0053580605a2 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Fri, 16 Jun 2023 23:27:13 +0100
Subject: [PATCH] perf: ensure og deps don't make it into build

---
 nuxt.config.ts                                  | 17 +++++++++++++++++
 .../_chromium.ts => open-graph/chromium.ts}     |  0
 .../{utils/_file.ts => open-graph/file.ts}      |  0
 src/server/open-graph/index.ts                  |  5 +++++
 .../{utils/_parser.ts => open-graph/parser.ts}  |  0
 .../_template.ts => open-graph/template.ts}     |  2 +-
 src/server/routes/og/[slug].get.ts              | 11 +++++++----
 7 files changed, 30 insertions(+), 5 deletions(-)
 rename src/server/{utils/_chromium.ts => open-graph/chromium.ts} (100%)
 rename src/server/{utils/_file.ts => open-graph/file.ts} (100%)
 create mode 100644 src/server/open-graph/index.ts
 rename src/server/{utils/_parser.ts => open-graph/parser.ts} (100%)
 rename src/server/{utils/_template.ts => open-graph/template.ts} (98%)

diff --git a/nuxt.config.ts b/nuxt.config.ts
index 1f09d342..29f118aa 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -1,3 +1,4 @@
+import type { InputPluginOption } from 'rollup'
 export default defineNuxtConfig({
   $production: {
     experimental: {
@@ -31,6 +32,22 @@ export default defineNuxtConfig({
   },
 
   hooks: {
+    // TODO: this is a hack that we surely do not need
+    'nitro:config'(config) {
+      ;(config.rollupConfig!.plugins as InputPluginOption[]).push({
+        name: 'purge-the-handler',
+        transform(_code, id) {
+          if (id.includes('og/[slug]')) {
+            return 'export default defineEventHandler(() => {})'
+          }
+        },
+      })
+    },
+    'nitro:init'(nitro) {
+      nitro.options._config.rollupConfig!.plugins = (
+        nitro.options._config.rollupConfig!.plugins as InputPluginOption[]
+      ).filter(p => !p || !('name' in p) || p.name !== 'purge-the-handler')
+    },
     'vite:extendConfig'(config, { isClient }) {
       if (isClient) {
         config.define!['process.env.prerender'] = 'false'
diff --git a/src/server/utils/_chromium.ts b/src/server/open-graph/chromium.ts
similarity index 100%
rename from src/server/utils/_chromium.ts
rename to src/server/open-graph/chromium.ts
diff --git a/src/server/utils/_file.ts b/src/server/open-graph/file.ts
similarity index 100%
rename from src/server/utils/_file.ts
rename to src/server/open-graph/file.ts
diff --git a/src/server/open-graph/index.ts b/src/server/open-graph/index.ts
new file mode 100644
index 00000000..215842de
--- /dev/null
+++ b/src/server/open-graph/index.ts
@@ -0,0 +1,5 @@
+export { getHtml } from './template'
+export { parseReqs } from './parser'
+export type { ParsedReqs } from './parser'
+export { writeTempFile } from './file'
+export { getScreenshot } from './chromium'
diff --git a/src/server/utils/_parser.ts b/src/server/open-graph/parser.ts
similarity index 100%
rename from src/server/utils/_parser.ts
rename to src/server/open-graph/parser.ts
diff --git a/src/server/utils/_template.ts b/src/server/open-graph/template.ts
similarity index 98%
rename from src/server/utils/_template.ts
rename to src/server/open-graph/template.ts
index 7fbbcda2..5a44d210 100644
--- a/src/server/utils/_template.ts
+++ b/src/server/open-graph/template.ts
@@ -1,4 +1,4 @@
-import { ParsedReqs } from './_parser'
+import { ParsedReqs } from './parser'
 
 function getCss() {
   return `
diff --git a/src/server/routes/og/[slug].get.ts b/src/server/routes/og/[slug].get.ts
index f1c50009..43ae8531 100644
--- a/src/server/routes/og/[slug].get.ts
+++ b/src/server/routes/og/[slug].get.ts
@@ -1,7 +1,10 @@
-import { parseReqs, ParsedReqs } from '../../utils/_parser'
-import { getHtml } from '../../utils/_template'
-import { writeTempFile } from '../../utils/_file'
-import { getScreenshot } from '../../utils/_chromium'
+import type { ParsedReqs } from '../../open-graph/index'
+import {
+  parseReqs,
+  getHtml,
+  writeTempFile,
+  getScreenshot,
+} from '../../open-graph/index'
 
 const isDev = process.env.VERCEL_ENV === 'development'
 
-- 
2.51.2