chore: Split chunks into folders

.esbuild/build.ts

@@ -1,40 +1,47 @@
 import { build } from 'esbuild';
 import { mkdir, writeFile } from 'node:fs/promises';
-import { getBuildConfig } from './util.js';
+import { MermaidBuildOptions, defaultConfig, getBuildConfig } from './util.js';
 import { packageOptions } from '../.build/common.js';
 
 const shouldVisualize = process.argv.includes('--visualize');
 
 const buildPackage = async (entryName: keyof typeof packageOptions) => {
-  // package.mjs
-  await build(getBuildConfig({ entryName, minify: false }));
-  // package.min.mjs
-  const { metafile } = await build(
-    getBuildConfig({ entryName, minify: true, metafile: shouldVisualize })
-  );
-  if (metafile) {
-    // Upload metafile into https://esbuild.github.io/analyze/
-    await writeFile(`stats/meta-${entryName}.json`, JSON.stringify(metafile));
-  }
-  // package.core.mjs
-  await build(getBuildConfig({ entryName, minify: false, core: true }));
+  const commonConfig = { ...defaultConfig, entryName };
+  const configs = [
+    { ...commonConfig },
+    {
+      ...commonConfig,
+      minify: true,
+      metafile: shouldVisualize,
+    },
+    { ...commonConfig, core: true },
+  ];
+
   if (entryName === 'mermaid') {
-    // mermaid.js
-    await build(getBuildConfig({ entryName, minify: false, format: 'iife' }));
-    // mermaid.min.js
-    await build(getBuildConfig({ entryName, minify: true, format: 'iife' }));
-    // mermaid.tiny.min.js
-    const { metafile } = await build(
-      getBuildConfig({
-        entryName,
+    const iifeConfig: MermaidBuildOptions = { ...commonConfig, format: 'iife' };
+    configs.push(
+      { ...iifeConfig },
+      { ...iifeConfig, minify: true },
+      {
+        ...iifeConfig,
         minify: true,
         includeLargeDiagrams: false,
         metafile: shouldVisualize,
-        format: 'iife',
-      })
+      }
     );
-    if (metafile) {
-      await writeFile(`stats/meta-${entryName}-tiny.json`, JSON.stringify(metafile));
+  }
+
+  const results = await Promise.all(configs.map((config) => build(getBuildConfig(config))));
+
+  if (shouldVisualize) {
+    for (const { metafile } of results) {
+      if (!metafile) {
+        continue;
+      }
+      const fileName = Object.keys(metafile.outputs)
+        .filter((key) => key.includes('.min') && key.endsWith('js'))[0]
+        .replace('dist/', '');
+      await writeFile(`stats/${fileName}.meta.json`, JSON.stringify(metafile));
     }
   }
 };
@@ -47,9 +54,7 @@ const handler = (e) => {
 const main = async () => {
   await mkdir('stats').catch(() => {});
   const packageNames = Object.keys(packageOptions) as (keyof typeof packageOptions)[];
-  for (const pkg of packageNames) {
-    await buildPackage(pkg).catch(handler);
-  }
+  await Promise.allSettled(packageNames.map((pkg) => buildPackage(pkg).catch(handler)));
 };
 
 void main();