make <script> tag support src attribute; also fixed eslint warnings.

src/style/css.js

@@ -25,6 +25,7 @@ const addScopeID = postcss.plugin('add-scope-id', options => {
     const selectorTransformer = selectorParser(selectors => {
         selectors.each(selector => {
             let target = null
+            /* eslint-disable complexity */
             selector.each(n => {
                 if (n.type === 'combinator' && n.value === '>>>') {
                     n.value = ' '
@@ -51,6 +52,7 @@ const addScopeID = postcss.plugin('add-scope-id', options => {
                     target = n
                 }
             })
+            /* eslint-enable complexity */
 
             target && selector.insertAfter(target, selectorParser.attribute({
                 attribute: options.scopeID

src/style/index.js

@@ -32,6 +32,7 @@ function ensureDirectory (directory) {
     }
 }
 
+/* eslint-disable complexity */
 export default function (files, options) {
     if (typeof (options.css) === 'boolean') {
         return
@@ -74,3 +75,4 @@ export default function (files, options) {
         if (err) throw err
     })
 }
+/* eslint-enable complexity */

src/vueTransform.js

@@ -89,6 +89,10 @@ async function processScript (source, id, content, options, nodes, modules, scop
     debug(`Process script: ${id}`)
     const lang = normalizeLang(source.attrs.lang)
 
+    if (source.attrs.src) {
+        source.code = `import __vue_module__ from '${source.attrs.src}'; export default __vue_module__;`
+    }
+
     if (source.attrs.lang && ['js', 'babel'].indexOf(source.attrs.lang) < 0) {
         if (!(source.attrs.lang in options.script)) {
             throw new Error(`[rollup-plugin-vue] ${source.attrs.lang} is not yet supported in .vue files.`)

test/expects/external-script.css

@@ -0,0 +1,3 @@
+body {
+    color: #000;
+}

test/expects/external-script.js

@@ -0,0 +1,14 @@
+const data = {
+    name: 'test'
+};
+
+var __vue_module__ = {
+    data() {
+        return data
+    }
+};
+
+var __$__vue_module__ = Object.assign(__vue_module__, { template: "<div class=\"test\"></div>",});
+    __$__vue_module__.prototype = __vue_module__.prototype;
+
+export default __$__vue_module__;

test/fixtures/external-script.js

@@ -0,0 +1,9 @@
+const data = {
+    name: 'test'
+}
+
+export default {
+    data() {
+        return data
+    }
+}

test/fixtures/external-script.vue

@@ -0,0 +1,11 @@
+<style>
+    body {
+        color: #000;
+    }
+</style>
+
+<template>
+    <div class="test"></div>
+</template>
+
+<script src="./external-script.js"></script>

test/test.js

@@ -63,7 +63,8 @@ function test(name) {
                       'pug',
                       'less',
                       'style',
-                      'stylus'
+                      'stylus',
+                      'external-script'
                   ].indexOf(name) > -1) {
                 var css = read('expects/' + name + '.css')
                 assert.equal(css.trim(), actualCss.trim(), 'should output style tag content')