Webpack4 and Babel@7(@babel) Support

Author: v_zhihzhou

lib/mp-compiler/index.js

@@ -1,8 +1,9 @@
-const babel = require('babel-core')
+const babel = require('@babel/core')
 const path = require('path')
 const fs = require('fs')
 const deepEqual = require('deep-equal')
 const compiler = require('mpvue-template-compiler')
+const { getImportsMap } = require('./util')
 
 const { parseConfig, parseComponentsDeps, parseGlobalComponents, clearGlobalComponents } = require('./parse')
 const { parseComponentsDeps: parseComponentsDepsTs } = require('./parse-ts')
@@ -114,7 +115,7 @@ function compileMPScript (script, mpOptioins, moduleId) {
     metadata = parseComponentsDepsTs(scriptContent)
   } else {
     const result = babel.transform(scriptContent, babelOptions)
-    metadata = result.metadata
+    metadata = { importsMap: getImportsMap(result), components: result.components }
   }
   // metadata: importsMap, components
   const { importsMap, components: originComponents } = metadata