core: Format. Fix. WIP.

web/scripts/esbuild/build-mdx-plugin.mjs

@@ -40,22 +40,13 @@ const name = "mdx-plugin";
  * @returns {Plugin} Plugin.
  */
 export function mdxPlugin({ root }) {
-    return { name, setup };
-
     /**
      * @param {PluginBuild} build
-     *   Build.
-     * @returns {undefined}
-     *   Nothing.
      */
     function setup(build) {
-        build.onLoad({ filter: /\.mdx?$/ }, onload);
-
         /**
-         * @param {LoadData} data
-         *   Data.
-         * @returns {Promise<OnLoadResult>}
-         *   Result.
+         * @param {LoadData} data Data.
+         * @returns {Promise<OnLoadResult>} Result.
          */
         async function onload(data) {
             const content = String(
@@ -77,5 +68,9 @@ export function mdxPlugin({ root }) {
                 loader: "file",
             };
         }
+
+        build.onLoad({ filter: /\.mdx?$/ }, onload);
     }
+
+    return { name, setup };
 }

web/scripts/esbuild/build-observer-plugin.mjs

@@ -1,5 +1,5 @@
 import * as http from "http";
-import path from "path";
+import * as path from "node:path";
 
 /**
  * Serializes a custom event to a text stream.
@@ -13,7 +13,7 @@ export function serializeCustomEventToStream(event) {
 
     const eventContent = [`event: ${event.type}`, `data: ${JSON.stringify(data)}`];
 
-    return eventContent.join("\n") + "\n\n";
+    return `${eventContent.join("\n")}\n\n`;
 }
 
 /**
@@ -70,6 +70,13 @@ export function buildObserverPlugin({ serverURL, logPrefix, relativeRoot }) {
         dispatcher.addEventListener("esbuild:error", listener);
         dispatcher.addEventListener("esbuild:end", listener);
 
+        const keepAliveInterval = setInterval(() => {
+            console.timeStamp("🏓 Keep-alive");
+
+            res.write("event: keep-alive\n\n");
+            res.write(serializeCustomEventToStream(new CustomEvent("esbuild:keep-alive")));
+        }, 15_000);
+
         req.on("close", () => {
             console.log("🔌 Client disconnected");
 
@@ -79,13 +86,6 @@ export function buildObserverPlugin({ serverURL, logPrefix, relativeRoot }) {
             dispatcher.removeEventListener("esbuild:error", listener);
             dispatcher.removeEventListener("esbuild:end", listener);
         });
-
-        const keepAliveInterval = setInterval(() => {
-            console.timeStamp("🏓 Keep-alive");
-
-            res.write("event: keep-alive\n\n");
-            res.write(serializeCustomEventToStream(new CustomEvent("esbuild:keep-alive")));
-        }, 15_000);
     });
 
     return {