Add support for the pagefind highlight script

Also added the ability to customise the URL that pagefind is being
imported from, instead of relying on the default import of
/pagefind/pagefind.js.

Updated the documentation to reflect this additional configuration
option.

README.md

@@ -77,6 +77,12 @@ The command to build and index the project.
 
 _default_: 'npm run build'
 
+### pagefind_url
+
+The URL you use to import the pagefind script on your site. For example, if you use `/pagefind/pagefind.js`, the `pagefind_url` is `pagefind`. If you use `/search/static/pagefind/pagefind.js`, the `pagefind_url` is `search/static/pagefind`
+
+_default_: 'pagefind'
+
 ### dev_strategy
 
 The indexing strategy used during development:
@@ -98,7 +104,7 @@ const pagefind: Pagefind = await import("/pagefind/pagefind.js");
 
 ## Pagefind
 
-For further questions regarding Pagefind itself you can refer to [the offical docs](https://pagefind.app/).
+For further questions regarding Pagefind itself you can refer to [the official docs](https://pagefind.app/).
 
 ## License
 

src/internal/config.js

@@ -8,6 +8,7 @@ const PagefindConfigSchema = v.object({
 		v.object({
 			assets_dir: v.optional(v.string(), "public"),
 			build_command: v.optional(v.string(), "npm run build"),
+			pagefind_url: v.optional(v.string(), "pagefind"),
 			dev_strategy: v.optional(v.picklist(["eager", "lazy"]), "lazy"),
 		}),
 		{},
@@ -25,5 +26,7 @@ export async function get_pagefind_config(cwd) {
 		"utf-8",
 	);
 	const pagefind_parsed = JSON.parse(pagefind_raw);
-	return v.parse(PagefindConfigSchema, pagefind_parsed);
+	const config = v.parse(PagefindConfigSchema, pagefind_parsed);
+	config.pagefind_url = config.pagefind_url.replace(/^\/+|\/+$/g, "");
+	return config;
 }

src/plugins/pagefind-build.js

@@ -1,3 +1,4 @@
+import { get_pagefind_config } from "../internal/config.js";
 import { PACKAGE_NAME } from "../internal/constants.js";
 
 /**
@@ -8,11 +9,14 @@ export default function build() {
 	return {
 		name: `${PACKAGE_NAME}-build`,
 		apply: "build",
-		config() {
+		async config() {
+			const cwd = process.cwd();
+			const pagefind_config = await get_pagefind_config(cwd);
+			const pagefind_url = pagefind_config.pagefind_url;
 			return {
 				build: {
 					rollupOptions: {
-						external: "/pagefind/pagefind.js",
+						external: [`/${pagefind_url}/pagefind.js`, `/${pagefind_url}/pagefind-highlight.js`],
 					},
 				},
 			};

src/plugins/pagefind-dev.js

@@ -18,11 +18,14 @@ export default function dev() {
 		apply: "serve",
 		enforce: "post",
 		async config() {
+			const cwd = process.cwd();
+			const pagefind_config = await get_pagefind_config(cwd);
+			const pagefind_url = pagefind_config.pagefind_url;
 			return {
-				assetsInclude: "**/pagefind.js",
+				assetsInclude: ["**/pagefind.js", "**/pagefind-highlight.js"],
 				build: {
 					rollupOptions: {
-						external: "/pagefind/pagefind.js",
+						external: [`/${pagefind_url}/pagefind.js`, `/${pagefind_url}/pagefind-highlight.js`],
 					},
 				},
 			};