chore(docs): copy vue flow files on dev build

docs/src/.vitepress/plugins/copy.ts

@@ -2,48 +2,57 @@ import { existsSync, readFileSync } from 'node:fs'
 import { resolve } from 'node:path'
 import type { Plugin } from 'vite'
 
+function copyFiles(emit: any) {
+  ;[
+    { path: '../../../node_modules/@vue-flow/core/dist/', pkgName: 'vue-flow-core.mjs' },
+    {
+      path: '../../../node_modules/@vue-flow/background/dist/',
+      pkgName: 'vue-flow-background.mjs',
+    },
+    {
+      path: '../../../node_modules/@vue-flow/controls/dist/',
+      pkgName: 'vue-flow-controls.mjs',
+    },
+    {
+      path: '../../../node_modules/@vue-flow/minimap/dist/',
+      pkgName: 'vue-flow-minimap.mjs',
+    },
+    {
+      path: '../../../node_modules/@vue-flow/node-resizer/dist/',
+      pkgName: 'vue-flow-node-resizer.mjs',
+    },
+    {
+      path: '../../../node_modules/@vue-flow/node-toolbar/dist/',
+      pkgName: 'vue-flow-node-toolbar.mjs',
+    },
+  ].forEach(({ path, pkgName }) => {
+    const filePath = resolve(__dirname, `${path}/${pkgName}`)
+    if (!existsSync(filePath)) {
+      throw new Error(`${pkgName} not built. ` + `Run "pnpm -w build" first.`)
+    }
+
+    emit({
+      type: 'asset',
+      fileName: pkgName,
+      source: readFileSync(filePath, 'utf-8'),
+    })
+
+    console.log(`Copied ${filePath} to ${resolve(__dirname, `../../src/public/${pkgName}`)}`)
+  })
+
+  console.log('Copied vue-flow files')
+}
 export function copyVueFlowPlugin(): Plugin {
   return {
     name: 'copy-vue-flow',
+    buildStart() {
+      copyFiles((file: any) => this.emitFile(file))
+    },
+    watchChange() {
+      copyFiles((file: any) => this.emitFile(file))
+    },
     generateBundle() {
-      ;[
+      copyFiles((file: any) => this.emitFile(file))
-        { path: '../../../node_modules/@vue-flow/core/dist/', pkgName: 'vue-flow-core.mjs' },
-        {
-          path: '../../../node_modules/@vue-flow/background/dist/',
-          pkgName: 'vue-flow-background.mjs',
-        },
-        {
-          path: '../../../node_modules/@vue-flow/controls/dist/',
-          pkgName: 'vue-flow-controls.mjs',
-        },
-        {
-          path: '../../../node_modules/@vue-flow/minimap/dist/',
-          pkgName: 'vue-flow-minimap.mjs',
-        },
-        {
-          path: '../../../node_modules/@vue-flow/node-resizer/dist/',
-          pkgName: 'vue-flow-node-resizer.mjs',
-        },
-        {
-          path: '../../../node_modules/@vue-flow/node-toolbar/dist/',
-          pkgName: 'vue-flow-node-toolbar.mjs',
-        },
-      ].forEach(({ path, pkgName }) => {
-        const filePath = resolve(__dirname, `${path}/${pkgName}`)
-        if (!existsSync(filePath)) {
-          throw new Error(`${pkgName} not built. ` + `Run "pnpm -w build" first.`)
-        }
-
-        ;(this as any).emitFile({
-          type: 'asset',
-          fileName: pkgName,
-          source: readFileSync(filePath, 'utf-8'),
-        })
-
-        console.log(`Copied ${filePath} to ${resolve(__dirname, `../../src/public/${pkgName}`)}`)
-      })
-
-      console.log('Copied vue-flow files')
     },
   }
 }