require only when needed, use v8-compile-cache

lib/lego.js

@@ -1,4 +1,5 @@
 // require('time-require');
+require('v8-compile-cache');
 
 const chalk = require('chalk');
 

lib/tasks/copyMinorStaticAssets.js

@@ -11,13 +11,17 @@ module.exports = async function(site) {
     let staticFiles = cleanFileList(fs.readdirSync(STATIC));
     let minorStaticFiles = staticFiles.filter((path) => !['css', 'js'].includes(path));
 
-    // Need to investigate why sync is faster than async equivalent here
+    let copyPromises = [];
     for (const asset of minorStaticFiles) {
-      fs.copySync(
-        `${STATIC}/${asset}`,
-        `${BUILD}/${STATIC}/${asset}`
+      copyPromises.push(
+        fs.copy(
+          `${STATIC}/${asset}`,
+          `${BUILD}/${STATIC}/${asset}`
+        )
       );
     }
+
+    await Promise.all(copyPromises);
   } catch (error) {
     throw error;
   }

lib/utils/loadData.js

@@ -1,16 +1,17 @@
 module.exports = function(logger) {
   const fs = require('fs-extra');
-  const path = require('path');
-  const chalk = require('chalk');
-  const YAML = require('yaml').default;
-
   const filterFileList = require('./filterFileList');
   const { DATA } = require('./constants');
 
   if (!fs.existsSync(DATA)) {
     return {};
   }
 
+  const path = require('path');
+  const chalk = require('chalk');
+
+  const YAML = require('yaml').default;
+
   let files = fs.readdirSync(DATA);
   let ymlFiles = filterFileList(files, ['yml', 'yaml']);
   let data = {};

lib/utils/minifyHtml.js

@@ -1,24 +1,24 @@
-const findUp = require('find-up');
-const { minify } = require('html-minifier');
-
-let configFile = findUp.sync('lego.js');
-let config = {
-  collapseWhitespace: true,
-  minifyJS: true,
-  minifyCSS: true,
-  removeComments: true
-};
-
-if (configFile) {
-  config = Object.assign(config, require(configFile).htmlMinifier);
-}
-
 module.exports = function(html, isDevelopment) {
   try {
     if (isDevelopment) {
       return html;
     }
 
+    const findUp = require('find-up');
+    const { minify } = require('html-minifier');
+
+    let configFile = findUp.sync('lego.js');
+    let config = {
+      collapseWhitespace: true,
+      minifyJS: true,
+      minifyCSS: true,
+      removeComments: true
+    };
+
+    if (configFile) {
+      config = Object.assign(config, require(configFile).htmlMinifier);
+    }
+
     return minify(html, config);
   } catch (error) {
     throw error;

package.json

@@ -60,6 +60,7 @@
     "sharp": "^0.20.5",
     "signale": "^1.2.1",
     "terser": "^3.10.13",
+    "v8-compile-cache": "^2.0.2",
     "yaml": "^1.0.0-rc.8"
   }
 }