Add Bridgeable dev watch command

src/build.js

@@ -1,6 +1,6 @@
 import { build as viteBuild } from 'vite';
 import { createViteConfig } from './vite-config.js';
 
-export const buildSource = async ({ sourceDir, outDir, config }) => {
-  await viteBuild(createViteConfig({ sourceDir, outDir, config }));
+export const buildSource = async ({ sourceDir, outDir, config, watch = false }) => {
+  return viteBuild(createViteConfig({ sourceDir, outDir, config, watch }));
 };

src/cli.js

@@ -7,6 +7,7 @@ import { packDist } from './pack.js';
 const usage = `Usage:
   bridgeable-build validate --source <dir>
   bridgeable-build build --source <dir> --out <dir>
+  bridgeable-build dev --source <dir> --out <dir>
   bridgeable-build pack --dist <dir> --out <file>
   bridgeable-build publish --source <dir> --out <dir> --artifact <file>
 `;
@@ -106,6 +107,17 @@ export const runCli = async (processArgv) => {
     return;
   }
 
+  if (command === 'dev') {
+    validateOrThrow(sourceDir, config);
+    await buildSource({
+      sourceDir,
+      outDir: resolve(args.out ? String(args.out) : 'dist'),
+      config,
+      watch: true
+    });
+    return;
+  }
+
   if (command === 'publish') {
     const outDir = resolve(requireArg(args, 'out'));
     validateOrThrow(sourceDir, config);

src/vite-config.js

@@ -5,6 +5,13 @@ import { collectEntries, normalizePath, shouldCopyFile, walkFiles } from './file
 
 const copyServerFilesPlugin = ({ sourceDir, outDir }) => ({
   name: 'copy-bridgeable-server-files',
+  buildStart() {
+    walkFiles(sourceDir, (absolutePath) => {
+      if (shouldCopyFile(basename(absolutePath))) {
+        this.addWatchFile(absolutePath);
+      }
+    });
+  },
   closeBundle() {
     walkFiles(sourceDir, (absolutePath) => {
       const relativePath = normalizePath(relative(sourceDir, absolutePath));
@@ -21,7 +28,7 @@ const copyServerFilesPlugin = ({ sourceDir, outDir }) => ({
   }
 });
 
-export const createViteConfig = ({ sourceDir, outDir, config }) => {
+export const createViteConfig = ({ sourceDir, outDir, config, watch = false }) => {
   const sourceRoot = resolve(sourceDir);
   const outputRoot = resolve(outDir);
 
@@ -34,6 +41,11 @@ export const createViteConfig = ({ sourceDir, outDir, config }) => {
       outDir: outputRoot,
       emptyOutDir: true,
       manifest: 'manifest.json',
+      watch: watch
+        ? {
+            exclude: ['**/.git/**', '**/dist/**', '**/node_modules/**', '**/storybook-static/**']
+          }
+        : null,
       rollupOptions: {
         input: collectEntries(sourceRoot, config),
         output: {