fix: 解决babel插件path.hub 中无法获取文件名

packages/taro-transformer-wx/__tests__/babel.spec.ts

@@ -0,0 +1,44 @@
+import transform from '../src';
+import { buildComponent, baseCode, baseOptions } from './utils';
+const options = require('../src/options');
+
+// babel-traverse 无法生成 Hub
+// 导致 Path#getSource|buildCodeFrameError 都无法直接使用
+// 模拟 babel 插件
+const pluginHelper = (result: any) => {
+  return () => {
+    return {
+      visitor: {
+        Program(path) {
+          result.hub = path.hub;
+        }
+      }
+    };
+  };
+};
+
+const injectPlugin = plugin => {
+  const buildBabelTransformOptions = options.buildBabelTransformOptions;
+
+  options.buildBabelTransformOptions = () => {
+    const opts = buildBabelTransformOptions();
+
+    opts.plugins.push(plugin);
+    return opts;
+  };
+};
+
+describe('babel plugin', () => {
+  test('path state', () => {
+    const result: any = {};
+    const plugin = pluginHelper(result);
+    injectPlugin(plugin);
+    const { code, ast, template } = transform({
+      ...baseOptions,
+      sourcePath: __filename,
+      code: buildComponent(baseCode)
+    });
+
+    expect(result.hub.file.opts.filename).toBe(__filename);
+  });
+});

packages/taro-transformer-wx/src/options.ts

@@ -38,6 +38,7 @@ export const buildBabelTransformOptions: () => TransformOptions = () => {
     plugins.push(buildVistor())
   }
   return {
+    filename: transformOptions.sourcePath,
     parserOpts: {
       sourceType: 'module',
       plugins: [