Refactor financial chart implementation

vite.config.js

@@ -0,0 +1,54 @@
+import { defineConfig } from 'vite';
+import { copyFileSync, cpSync } from 'node:fs';
+import { extname, relative, resolve } from 'node:path';
+
+function reloadFinancialData() {
+  return {
+    name: 'reload-financial-data',
+    configureServer(server) {
+      server.watcher.add(['manifest.json', 'data/**/*.csv']);
+      server.watcher.on('change', (file) => {
+        if (file.endsWith('.csv') || file.endsWith('/manifest.json')) {
+          server.ws.send({ type: 'full-reload', path: '*' });
+        }
+      });
+    },
+  };
+}
+
+function copyRuntimeData() {
+  let outputDirectory;
+  const dataDirectory = resolve('data');
+
+  return {
+    name: 'copy-runtime-data',
+    apply: 'build',
+    configResolved(config) {
+      outputDirectory = resolve(config.build.outDir);
+    },
+    closeBundle() {
+      copyFileSync('manifest.json', resolve(outputDirectory, 'manifest.json'));
+      cpSync(dataDirectory, resolve(outputDirectory, 'data'), {
+        recursive: true,
+        filter: (source) => {
+          const path = relative(dataDirectory, source);
+          return path === '' || extname(path) === '' || path.endsWith('.csv');
+        },
+      });
+    },
+  };
+}
+
+export default defineConfig({
+  server: {
+    host: '127.0.0.1',
+    port: 8899,
+    strictPort: true,
+  },
+  preview: {
+    host: '127.0.0.1',
+    port: 8899,
+    strictPort: true,
+  },
+  plugins: [reloadFinancialData(), copyRuntimeData()],
+});