diff --git a/package.json b/package.json
index fbcd65b..a814d40 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
   "dependencies": {
     "de-indent": "latest",
     "html-minifier": "latest",
+    "magic-string": "^0.16.0",
     "parse5": "latest",
     "rollup-pluginutils": "latest",
     "vue-template-compiler": "^2.0.0-rc.4",
diff --git a/src/index.js b/src/index.js
index 2e6b614..88afa8a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,6 @@
 import { createFilter } from 'rollup-pluginutils';
 import { writeFile } from 'fs';
+import MagicString from 'magic-string';
 
 import vueTransform from './vueTransform';
 import DEFAULT_OPTIONS from './options';
@@ -106,18 +107,25 @@ export default function vue(options = {}) {
                 return null;
             }
 
-            const { js, css } = vueTransform(source, id, options);
+            const { js, css, map } = vueTransform(source, id, options);
 
             // Map of every stylesheet
             styles[id] = css || {};
 
             // Component javascript with inlined html template
-            return js;
+            return {
+                code: js,
+                map: map.generateMap({ hires: true }),
+            };
         },
         transformBundle(source) {
             generateStyleBundle();
+            const map = new MagicString(source);
 
-            return source.replace(/if[\s]*\('__VUE_WITH_STATEMENT__'\)/g, 'with(this)');
+            return {
+                code: source.replace(/if[\s]*\('__VUE_WITH_STATEMENT__'\)/g, 'with(this)'),
+                map: map.generateMap({ hires: true }),
+            };
         },
         ongenerate(opts, rendered) {
             generateStyleBundle();
diff --git a/src/vueTransform.js b/src/vueTransform.js
index da94021..6bd7082 100644
--- a/src/vueTransform.js
+++ b/src/vueTransform.js
@@ -3,6 +3,7 @@ import htmlMinifier from 'html-minifier';
 import parse5 from 'parse5';
 import validateTemplate from 'vue-template-validator';
 import { relative } from 'path';
+import MagicString from 'magic-string';
 
 /**
  * Check the lang attribute of a parse5 node.
@@ -125,6 +126,8 @@ function processScript(node, filePath, content, templateOrRender) {
     const before = padContent(content.slice(0, location));
     script = before + script;
 
+    const map = new MagicString(script);
+
     if (template) {
         script = injectTemplate(script, template, lang);
     } else if (render) {
@@ -132,7 +135,10 @@ function processScript(node, filePath, content, templateOrRender) {
     }
     script = deIndent(script);
 
-    return script;
+    return {
+        code: script,
+        map,
+    };
 }
 
 export default function vueTransform(code, filePath, options) {
@@ -146,17 +152,19 @@ export default function vueTransform(code, filePath, options) {
     }
 
     // 3. Don't touch files that don't look like Vue components
-    if (!nodes.template && !nodes.script) {
+    if (!nodes.script) {
         throw new Error('There must be at least one script tag or one' +
               ' template tag per *.vue file.');
     }
 
     // 4. Process template
-    const template = processTemplate(nodes.template, filePath, code, options);
+    const template = nodes.template
+        ? processTemplate(nodes.template, filePath, code, options)
+        : undefined;
     let js;
     if (options.compileTemplate) {
         /* eslint-disable */
-        const render = require('vue-template-compiler').compile(template);
+        const render = template ? require('vue-template-compiler').compile(template) : undefined;
         /* eslint-enable */
         js = processScript(nodes.script, filePath, code, { render });
     } else {
@@ -165,7 +173,8 @@ export default function vueTransform(code, filePath, options) {
 
     // 5. Process script & style
     return {
-        js,
+        js: js.code,
+        map: js.map,
         css: nodes.style && {
             content: parse5.serialize(nodes.style),
             lang: checkLang(nodes.style),
diff --git a/test/expects/noTemplate.js b/test/expects/noTemplate.js
new file mode 100644
index 0000000..06a8b08
--- /dev/null
+++ b/test/expects/noTemplate.js
@@ -0,0 +1,10 @@
+var noTemplate = {
+    render(h, c) {
+        return h('h1', c.data.title);
+    },
+    data() {
+        return { title: 'Hello' };
+    },
+};
+
+export default noTemplate;
\ No newline at end of file
diff --git a/test/fixtures/noTemplate.vue b/test/fixtures/noTemplate.vue
new file mode 100644
index 0000000..d6eef2e
--- /dev/null
+++ b/test/fixtures/noTemplate.vue
@@ -0,0 +1,10 @@
+<script>
+    export default {
+        render(h, c) {
+            return h('h1', c.data.title);
+        },
+        data() {
+            return { title: 'Hello' };
+        },
+    };
+</script>

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