feat: support BABEL_ENV node and web single config

Author: hubcarl

lib/base.js

@@ -591,6 +591,22 @@ class WebpackBaseBuilder extends Config {
       });
     }
   }
+
+  // 根据 BABEL_ENV 动态获取 BABEL 配置， 支持 node 和 web 配置
+  setBabelENV(value) {
+    const babelrc = path.join(this.baseDir, '.babelrc');
+    if (fs.existsSync(babelrc)) {
+      const jsonStr = fs.readFileSync(babelrc);
+      try {
+        const json = JSON.parse(jsonStr);
+        if (json && json.env && json.env[value]) {
+          process.env.BABEL_ENV = value;
+        }
+      } catch (e) {
+        console.warn('setBabelENV error', e);
+      }
+    }
+  }
 }
 
 module.exports = WebpackBaseBuilder;

lib/client.js

@@ -7,6 +7,7 @@ class WebpackClientBuilder extends WebpackBaseBuilder {
   constructor(config) {
     super(config);
     this.type = WebpackClientBuilder.TYPE;
+    this.setBabelENV('web');
     this.setDevTool(config.devtool);
     this.setPack(config.packs);
     this.setTarget(WebpackClientBuilder.TARGET);

lib/dll.js

@@ -10,6 +10,7 @@ class WebpackDllBuilder extends WebpackBaseBuilder {
     super(merge({ useHost: false, buildDll: true }, config));
     this.dll = true;
     this.type = WebpackDllBuilder.TYPE;
+    this.setBabelENV('web');
     this.mergeConfig(Config.dllConfig);
     this.setBuildPath(this.utils.getDllCompileFileDir(this.env));
     this.setDevTool(config.devtool);

lib/server.js

@@ -8,6 +8,7 @@ class WebpackServerBuilder extends WebpackBaseBuilder {
     super(config);
     this.ssr = true;
     this.type = WebpackServerBuilder.TYPE;
+    this.setBabelENV('node');
     this.setTarget(WebpackServerBuilder.TARGET);
     this.setNode({ __filename: false, __dirname: false });
     this.setLibraryTarget('commonjs');