📦 NEW: add rebuildCesium option

src/index.ts

@@ -1,8 +1,11 @@
 import path from 'path';
-import { Plugin } from 'vite';
+import { Plugin, UserConfig, HtmlTagDescriptor } from 'vite';
 import fs from 'fs-extra';
+import externalGlobals from "rollup-plugin-external-globals";
 
-export default function (): Plugin {
+type options = { rebuildCesium: boolean; };
+
+export default function ({ rebuildCesium }: options = { rebuildCesium: false }): Plugin {
 
     const cesiumBuildPath = 'node_modules/cesium/Build/Cesium/';
     let publicPath = 'public';
@@ -10,45 +13,58 @@ export default function (): Plugin {
     return {
         name: 'vite-plugin-cesium',
 
+        config(config, { command }) {
+            const userConfig: UserConfig = {
+                build: {
+                    assetsInlineLimit: 0,
+                    chunkSizeWarningLimit: 4000
+                },
+                define: {
+                    CESIUM_BASE_URL: '/cesium/'
+                }
+            };
+            if (command === 'build' && !rebuildCesium) {
+                userConfig.build!.rollupOptions = {
+                    external: ['cesium'],
+                    plugins: [
+                        externalGlobals({ cesium: "Cesium" })
+                    ]
+                };
+            }
+            return userConfig;
+        },
+
         configResolved(resolvedConfig) {
             publicPath = resolvedConfig.publicDir;
         },
 
         async buildStart(options) {
             try {
-                const exists = await fs.pathExists(path.join(publicPath, 'cesium/Assets'));
+                const exists = await fs.pathExists(path.join(publicPath, 'cesium'));
                 if (!exists) {
                     await fs.copy(path.join(cesiumBuildPath, 'Assets'), path.join(publicPath, 'cesium/Assets'));
                     await fs.copy(path.join(cesiumBuildPath, 'ThirdParty'), path.join(publicPath, 'cesium/ThirdParty'));
                     await fs.copy(path.join(cesiumBuildPath, 'Workers'), path.join(publicPath, 'cesium/Workers'));
                     await fs.copy(path.join(cesiumBuildPath, 'Widgets'), path.join(publicPath, 'cesium/Widgets'));
+
+                }
+                if (rebuildCesium) {
+                    await fs.remove(path.join(publicPath, 'cesium/Cesium.js'));
+                } else {
+                    await fs.copy(path.join(cesiumBuildPath, 'Cesium.js'), path.join(publicPath, 'cesium/Cesium.js'));
                 }
 
             } catch (err) {
-                console.error('copy failed');
+                console.error('copy failed', err);
             }
         },
 
-        config() {
-            return {
-                build: {
-                    assetsInlineLimit: 0,
-                    chunkSizeWarningLimit: 4000
-                }
-            };
-        },
-
         transformIndexHtml() {
-            return [
-                {
-                    tag: 'link',
-                    attrs: { rel: 'stylesheet', href: 'cesium/Widgets/widgets.css' },
-                },
-                {
-                    tag: 'script',
-                    children: 'window.CESIUM_BASE_URL = "/cesium/"'
-                }
-            ];
+            const tags: HtmlTagDescriptor[] = [{ tag: 'link', attrs: { rel: 'stylesheet', href: 'cesium/Widgets/widgets.css' } }];
+            if (!rebuildCesium) {
+                tags.push({ tag: 'script', attrs: { src: 'cesium/Cesium.js' } });
+            }
+            return tags;
         },
     };
 }