fix(docs): apply llms patch during website builds

1 files changed, 24 insertions, 0 deletions

diff --git a/website/scripts/patch-starlight-llms.mjs b/website/scripts/patch-starlight-llms.mjs
new file mode 100644
index 00000000..16d3ba9b
--- /dev/null
+++ b/website/scripts/patch-starlight-llms.mjs
@@ -0,0 +1,24 @@
+import { readFile, writeFile } from 'node:fs/promises';
+import { resolve } from 'node:path';
+
+const path = resolve('node_modules/starlight-llms-txt/llms-full.txt.ts');
+const original = await readFile(path, 'utf8');
+const importLine = "import { starlightLllmsTxtContext } from 'virtual:starlight-llms-txt/context';";
+const excludeLine = '\t\texclude: starlightLllmsTxtContext.exclude,';
+
+if (original.includes(importLine) && original.includes(excludeLine)) process.exit(0);
+
+const withImport = original.replace(
+  "import { generateLlmsTxt } from './generator';",
+  `${importLine}\nimport { generateLlmsTxt } from './generator';`,
+);
+const patched = withImport.replace(
+  '\t\tdescription: `This is the full developer documentation for ${getSiteTitle()}`,',
+  '\t\tdescription: `This is the full developer documentation for ${getSiteTitle()}`,\n' + excludeLine,
+);
+
+if (patched === original || !patched.includes(importLine) || !patched.includes(excludeLine)) {
+  throw new Error('starlight-llms-txt changed: update the stable-only llms-full compatibility patch');
+}
+
+await writeFile(path, patched, 'utf8');