Support Src Imports

src/index.ts

@@ -19,6 +19,7 @@ export interface Options {
 export function parse (input: string, tag: string, options?: Options): string {
   const emptyExport = options && options.emptyExport !== undefined ? options.emptyExport : true
   const node = getNode(input, tag, options)
+  const src = getSrcAttribute(node)
   let parsed = padContent(node, input)
 
   // Add a default export of empty object if target tag script not found.
@@ -27,7 +28,14 @@ export function parse (input: string, tag: string, options?: Options): string {
     parsed = '// tslint:disable\nimport Vue from \'vue\'\nexport default Vue\n'
   }
 
-  return parsed
+  if (parsed && tag === 'script' && src) {
+    const splitted = parsed.split('\n')
+    splitted.pop()
+    splitted.push(`export { default } from '${src}'`)
+    parsed = splitted.join('\n')
+  }
+
+  return parsed;
 }
 
 /**
@@ -101,3 +109,15 @@ export function getNode (input: string, tag: string, options?: Options): Node {
 	  return tagFound && (langEmpty || langMatch)
   }) as Node
 }
+
+function getSrcAttribute(node: Node): string | undefined {
+  if (!node) return;
+
+  const attr = node.attrs.find((attr: {name: string; value: string}) => {
+    return attr.name === 'src'
+  })
+
+  if (attr) {
+    return attr.value.replace(/\.[^/.]+$/, '')
+  }
+}

test/index.spec.js

@@ -94,4 +94,10 @@ describe('Tests', function () {
     expect(parsed).to.be.equal('// tslint:disable\nimport Vue from \'vue\'\nexport default Vue\n')   
   })
 
+  it('should return import/export statements if imports external file', function() {
+    const contents = fs.readFileSync('./test/test-src-imports.vue', 'utf8')
+    const parsed = vueParser.parse(contents, 'script', { lang: 'ts' })
+
+    expect(parsed).to.be.equal('// tslint:disable\n//\n//\n//\nexport { default } from \'./index\'')
+  })
 })

test/test-src-imports.vue

@@ -0,0 +1,5 @@
+<template>
+  <h1>vue-parser</h1>
+</template>
+
+<script lang='ts' src='./index.ts'></script>