support webpack 4

Author: lerit

lib/loader.js

@@ -52,12 +52,12 @@ function hasRecyclable (template) {
 
 module.exports = function (content) {
   this.cacheable()
-  // var isServer = this.options.target === 'node'
+  // var isServer = (this.options || this._compiler.options).target === 'node'
   // var isServer = false
   var loaderContext = this
   var query = loaderUtils.getOptions(this) || {}
   var params = this.resourceQuery && loaderUtils.parseQuery(this.resourceQuery)
-  var options = this.options.__vueOptions__ = Object.assign({}, this.options.vue, this.vue, query)
+  var options = (this.options || this._compiler.options).__vueOptions__ = Object.assign({}, (this.options || this._compiler.options).vue, this.vue, query)
   var filePath = this.resourcePath
   var fileName = path.basename(filePath)
   var moduleId = 'data-v-' + genId(path.relative(process.cwd(), filePath))

lib/style-rewriter.js

@@ -42,7 +42,7 @@ module.exports = function (css, map) {
   var cb = this.async()
 
   var query = loaderUtils.getOptions(this) || {}
-  var options = this.options.__vueOptions__
+  var options = (this.options || this._compiler.options).__vueOptions__
   var postcssOptions = options.postcss
 
   // postcss plugins

lib/template-compiler.js

@@ -55,9 +55,9 @@ module.exports = function (html) {
   this.cacheable()
   var isProduction = this.minimize || process.env.NODE_ENV === 'production'
   var query = loaderUtils.getOptions(this) || {}
-  // var isServer = this.options.target === 'node'
+  // var isServer = (this.options || this._compiler.options).target === 'node'
   // var isServer = false
-  var vueOptions = this.options.__vueOptions__
+  var vueOptions = (this.options || this._compiler.options).__vueOptions__
   // if (vueOptions.transformToRequire) {
   //   transformToRequire = Object.assign(
   //     {},

lib/template-loader.js

@@ -6,7 +6,7 @@ module.exports = function (content) {
   this.cacheable && this.cacheable()
   var callback = this.async()
   var opt = loaderUtils.getOptions(this) || {}
-  var vue = this.options.__vueOptions__
+  var vue = (this.options || this._compiler.options).__vueOptions__
   if (vue && vue.template) {
     for (var key in vue.template) {
       opt[key] = vue.template[key]