fix(pitcher): css-loader >= v4 compat

Author: Airkro

lib/codegen/styleInjection.js

@@ -40,7 +40,7 @@ module.exports = function genStyleInjectionCode (
 
     // `(vue-)style-loader` exports the name-to-hash map directly
     // `css-loader` exports it in `.locals`
-    const locals = `(style${i}.locals || style${i})`
+    const locals = `(style${i}.default || style${i}.locals || style${i})`
     const name = JSON.stringify(moduleName)
 
     if (!needsHotReload) {
@@ -81,7 +81,7 @@ module.exports = function genStyleInjectionCode (
       // do not generate requests for empty styles
       if (isNotEmptyStyle(style)) {
         const request = genStyleRequest(style, i)
-        styleImportsCode += `import style${i} from ${request}\n`
+        styleImportsCode += `import * as style${i} from ${request}\n`
         if (style.module) genCSSModulesCode(style, request, i)
       }
     })