chore(@vant/cli): remove build --watch option

packages/vant-cli/src/commands/build.ts

@@ -1,10 +1,9 @@
 import execa from 'execa';
-import chokidar from 'chokidar';
 import { join, relative } from 'path';
 import { remove, copy, readdirSync, existsSync } from 'fs-extra';
 import { clean } from './clean';
 import { CSS_LANG } from '../common/css';
-import { ora, consola, slimPath } from '../common/logger';
+import { ora, consola } from '../common/logger';
 import { installDependencies } from '../common/manager';
 import { compileJs } from '../compiler/compile-js';
 import { compileSfc } from '../compiler/compile-sfc';
@@ -181,44 +180,13 @@ async function runBuildTasks() {
   consola.success('Compile successfully');
 }
 
-function watchFileChange() {
-  consola.info('Watching file changes...');
-
-  chokidar.watch(SRC_DIR).on('change', async (path) => {
-    if (isDemoDir(path) || isTestDir(path)) {
-      return;
-    }
-
-    const spinner = ora('File changed, start compilation...').start();
-    const esPath = path.replace(SRC_DIR, ES_DIR);
-    const libPath = path.replace(SRC_DIR, LIB_DIR);
-
-    try {
-      await copy(path, esPath);
-      await copy(path, libPath);
-      await compileFile(esPath);
-      await compileFile(libPath);
-      await genStyleDepsMap();
-      genComponentStyle({ cache: false });
-      spinner.succeed('Compiled: ' + slimPath(path));
-    } catch (err) {
-      spinner.fail('Compile failed: ' + path);
-      console.log(err);
-    }
-  });
-}
-
-export async function build(cmd: { watch?: boolean } = {}) {
+export async function build() {
   setNodeEnv('production');
 
   try {
     await clean();
     await installDependencies();
     await runBuildTasks();
-
-    if (cmd.watch) {
-      watchFileChange();
-    }
   } catch (err) {
     consola.error('Build failed');
     process.exit(1);