feat: Copy public directory to outputs

Author: aklinker1

demo/exvite.config.ts

@@ -4,4 +4,13 @@ export default defineConfig({
   storeIds: {
     chrome: '123',
   },
+  manifest: {
+    icons: {
+      '16': 'icon/16.png',
+      '32': 'icon/32.png',
+      '48': 'icon/48.png',
+      '96': 'icon/96.png',
+      '128': 'icon/128.png',
+    },
+  },
 });

demo/public/icon/128.png

@@ -5,6 +5,7 @@ import { UnimportOptions } from 'unimport';
 export interface InlineConfig {
   root?: string;
   srcDir?: string;
+  publicDir?: string;
   entrypointsDir?: string;
   configFile?: string | false;
   storeIds?: {

demo/public/icon/16.png

@@ -12,6 +12,7 @@ import { UnimportOptions } from 'unimport';
 export interface InternalConfig {
   root: string;
   srcDir: string;
+  publicDir: string;
   exviteDir: string;
   typesDir: string;
   entrypointsDir: string;

demo/public/icon/32.png

@@ -4,6 +4,9 @@ import { groupEntrypoints } from './groupEntrypoints';
 import * as plugins from '../vite-plugins';
 import { removeEmptyDirs } from './removeEmptyDirs';
 import { getEntrypointBundlePath } from './entrypoints';
+import glob from 'fast-glob';
+import fs from 'fs-extra';
+import { dirname, resolve } from 'path';
 
 export async function buildEntrypoints(
   entrypoints: Entrypoint[],
@@ -18,6 +21,8 @@ export async function buildEntrypoints(
       : await buildSingleEntrypoint(group, config);
     outputs.push(output);
   }
+  const publicOutput = await copyPublicDirectory(config);
+  outputs.push(publicOutput);
 
   // Remove any empty directories from moving outputs around
   await removeEmptyDirs(config.outDir);
@@ -105,3 +110,28 @@ function getBuildOutput(
   if (Array.isArray(result)) return result.flatMap(({ output }) => output);
   return result.output;
 }
+
+async function copyPublicDirectory(
+  config: InternalConfig,
+): Promise<BuildOutput> {
+  if (!(await fs.exists(config.publicDir))) return [];
+
+  const files = await glob('**/*', { cwd: config.publicDir });
+
+  const outputs: BuildOutput = [];
+  for (const file of files) {
+    const srcPath = resolve(config.publicDir, file);
+    const outPath = resolve(config.outDir, file);
+
+    await fs.ensureDir(dirname(outPath));
+    await fs.copyFile(srcPath, outPath);
+    outputs.push({
+      type: 'asset',
+      fileName: file,
+      name: file,
+      needsCodeReference: false,
+      source: await fs.readFile(srcPath),
+    });
+  }
+  return outputs;
+}