From 83564c767547b57c836ffa7951bfc8023e9d68e6 Mon Sep 17 00:00:00 2001
From: Roman Axelrod <roman@axe-web.com>
Date: Thu, 30 Apr 2026 21:57:04 -0600
Subject: [PATCH] Add Bridgeable dev watch command

---
 src/build.js       |  4 ++--
 src/cli.js         | 12 ++++++++++++
 src/vite-config.js | 14 +++++++++++++-
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/build.js b/src/build.js
index 8f09fa8..a1132d5 100644
--- a/src/build.js
+++ b/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 }));
 };
diff --git a/src/cli.js b/src/cli.js
index 1078e03..9d9361f 100644
--- a/src/cli.js
+++ b/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);
diff --git a/src/vite-config.js b/src/vite-config.js
index ed764fd..296fb05 100644
--- a/src/vite-config.js
+++ b/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: {