wip 3.x updates

bin/build.js

@@ -0,0 +1,50 @@
+import * as esbuild from 'esbuild'
+
+const isDev = process.argv.includes('--dev')
+
+async function compile(options) {
+    const context = await esbuild.context(options)
+
+    if (isDev) {
+        await context.watch()
+    } else {
+        await context.rebuild()
+        await context.dispose()
+    }
+}
+
+const defaultOptions = {
+    define: {
+        'process.env.NODE_ENV': isDev ? `'development'` : `'production'`,
+    },
+    bundle: true,
+    mainFields: ['module', 'main'],
+    platform: 'neutral',
+    sourcemap: isDev ? 'inline' : false,
+    sourcesContent: isDev,
+    treeShaking: true,
+    target: ['es2020'],
+    minify: !isDev,
+    plugins: [{
+        name: 'watchPlugin',
+        setup: function (build) {
+            build.onStart(() => {
+                console.log(`Build started at ${new Date(Date.now()).toLocaleTimeString()}: ${build.initialOptions.outfile}`)
+            })
+
+            build.onEnd((result) => {
+                if (result.errors.length > 0) {
+                    console.log(`Build failed at ${new Date(Date.now()).toLocaleTimeString()}: ${build.initialOptions.outfile}`, result.errors)
+                } else {
+                    console.log(`Build finished at ${new Date(Date.now()).toLocaleTimeString()}: ${build.initialOptions.outfile}`)
+                }
+            })
+        }
+    }],
+}
+
+compile({
+    ...defaultOptions,
+    entryPoints: ['./resources/js/skeleton.js'],
+    outfile: './resources/dist/skeleton.js',
+})