chore: fix build script

I was a bit too quick in ee21efd1d4

scripts/build.mjs

@@ -10,12 +10,20 @@ import * as path from 'path';
 import util from 'util';
 import chalk from 'chalk';
 import fs from 'graceful-fs';
-import {ERROR, OK, createWebpackCompiler} from './buildUtils.mjs';
+import webpack from 'webpack';
+import {
+  ERROR,
+  OK,
+  createBuildConfigs,
+  createWebpackConfigs,
+} from './buildUtils.mjs';
 
 async function buildNodePackages() {
   process.stdout.write(chalk.inverse(' Bundling packages \n'));
 
-  const compiler = createWebpackCompiler();
+  const buildConfigs = createBuildConfigs();
+
+  const compiler = webpack(createWebpackConfigs(buildConfigs));
 
   let stats;
   try {
@@ -29,15 +37,18 @@ async function buildNodePackages() {
     if (stats) {
       const info = stats.toJson();
 
-      if (stats.hasErrors()) {
-        console.error('errors', info.errors);
+      for (const error of info.errors) {
+        console.error('error', error.message);
+      }
+      for (const warning of info.warnings) {
+        console.warn('warning', warning.message);
       }
     }
 
     throw error;
   }
 
-  for (const {packageDir, pkg} of webpackConfigs) {
+  for (const {packageDir, pkg} of buildConfigs) {
     assert.ok(
       fs.existsSync(path.resolve(packageDir, pkg.main)),
       `Main file "${pkg.main}" in "${pkg.name}" should exist`,

scripts/buildUtils.mjs

@@ -146,7 +146,7 @@ export const copyrightSnippet = `
  */
 `.trim();
 
-function createWebpackConfigs() {
+export function createBuildConfigs() {
   const packages = getPackages();
 
   return packages.map(({packageDir, pkg}) => {
@@ -292,13 +292,10 @@ function createWebpackConfigs() {
   });
 }
 
-export function createWebpackCompiler() {
-  const webpackConfigs = createWebpackConfigs();
-  return webpack(
-    webpackConfigs
-      .map(({webpackConfig}) => webpackConfig)
-      .filter(config => config != null),
-  );
+export function createWebpackConfigs(webpackConfigs = createBuildConfigs()) {
+  return webpackConfigs
+    .map(({webpackConfig}) => webpackConfig)
+    .filter(config => config != null);
 }
 
 // inspired by https://framagit.org/Glandos/webpack-ignore-dynamic-require

scripts/watch.mjs

@@ -10,13 +10,14 @@
  */
 
 import chalk from 'chalk';
-import {createWebpackCompiler} from './buildUtils.mjs';
+import webpack from 'webpack';
+import {createWebpackConfigs} from './buildUtils.mjs';
 
-const compiler = createWebpackCompiler();
+const compiler = webpack(createWebpackConfigs());
 
 let hasBuilt = false;
 
-console.log(chalk.cyan('Building packages…'));
+console.log(chalk.inverse(' Bundling packages '));
 
 compiler.watch({}, (error, stats) => {
   if (!hasBuilt) {