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Strip Go HTML templates in Vite serve

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index.html doubles as a production Go template; Vite does not
execute it, so bare {{if}}/{{range}} leaked into the page.

Signed-off-by: Émile Ré <emile@probo.com>
This commit is contained in:
Émile Ré
2026-07-21 11:30:24 +02:00
parent c223873e96
commit 5b57333994
1 changed files with 45 additions and 2 deletions
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47
apps/compliance-portal/vite.config.ts
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@@ -23,13 +23,56 @@ import { fileURLToPath, URL } from "node:url";
import babel from "@rolldown/plugin-babel"; import babel from "@rolldown/plugin-babel";
import tailwindcss from "@tailwindcss/vite"; import tailwindcss from "@tailwindcss/vite";
import react from "@vitejs/plugin-react"; import react from "@vitejs/plugin-react";
import { defineConfig } from "vite"; import { defineConfig, type Plugin } from "vite";
// index.html is also a Go html/template for the production SPA shell. Vite's
// dev server does not execute those actions, so bare {{if}}/{{range}} text is
// moved into <body> by the browser. Substitute safe defaults while serving.
function goHtmlTemplateDevDefaults(): Plugin {
return {
name: "go-html-template-dev-defaults",
// Only register during `vite` / `vite serve` — production builds must keep
// the Go html/template actions for pkg/server/trust.
apply: "serve",
transformIndexHtml: {
order: "pre",
handler(html) {
return html
.replace(
/\{\{if \.HtmlLang\}\}\{\{\.HtmlLang\}\}\{\{else\}\}en\{\{end\}\}/g,
"en",
)
.replace(
/\{\{if \.FaviconURL\}\}\{\{\.FaviconURL\}\}\{\{else\}\}(\/favicons\/favicon\.ico)\{\{end\}\}/g,
"$1",
)
.replace(
/\{\{if \.CanonicalURL\}\}<link rel="canonical" href="\{\{\.CanonicalURL\}\}">\{\{end\}\}\s*/g,
"",
)
.replace(
// eslint-disable-next-line @stylistic/max-len
/\{\{range \.Hreflang\}\}<link rel="alternate" hreflang="\{\{\.Lang\}\}" href="\{\{\.Href\}\}">\s*\{\{end\}\}\s*/g,
"",
)
.replace(/\{\{\.Title\}\}/g, "Compliance")
.replace(/\{\{\.Description\}\}/g, "")
.replace(/\{\{\.OGURL\}\}/g, "");
},
},
};
}
// https://vite.dev/config/ // https://vite.dev/config/
// @vitejs/plugin-react@6 (Vite 8) no longer runs Babel, so the Relay tagged // @vitejs/plugin-react@6 (Vite 8) no longer runs Babel, so the Relay tagged
// template transform is applied via @rolldown/plugin-babel instead. // template transform is applied via @rolldown/plugin-babel instead.
export default defineConfig({ export default defineConfig({
plugins: [react(), babel({ plugins: ["relay"] }), tailwindcss()], plugins: [
goHtmlTemplateDevDefaults(),
react(),
babel({ plugins: ["relay"] }),
tailwindcss(),
],
build: { build: {
assetsDir: "assets", assetsDir: "assets",
rolldownOptions: { rolldownOptions: {