Add support for vue single file components (#111)

index.js

@@ -32,7 +32,8 @@ const defaultLookups = {
   '.scss': sassLookup,
   '.styl': stylusLookup,
   '.ts': tsLookup,
-  '.tsx': tsLookup
+  '.tsx': tsLookup,
+  '.vue': vueLookup
 };
 
 /**
@@ -389,6 +390,37 @@ function commonJSLookup(options) {
   return result;
 }
 
+function vueLookup(options) {
+  const { dependency } = options;
+
+  if (!dependency) {
+    debug('blank dependency given. Returning early.');
+    return '';
+  }
+
+  if (dependency.endsWith('.js') || dependency.endsWith('.jsx')) {
+    return jsLookup(options);
+  }
+
+  if (dependency.endsWith('.ts') || dependency.endsWith('.tsx')) {
+    return tsLookup(options);
+  }
+
+  if (dependency.endsWith('.scss') || dependency.endsWith('.sass') || dependency.endsWith('.less')) {
+    return sassLookup(options);
+  }
+
+  if (dependency.endsWith('.styl')) {
+    return stylusLookup(options);
+  }
+
+  if (options.tsConfig || options.tsConfigPath) {
+    return tsLookup(options);
+  }
+
+  return jsLookup(options);
+}
+
 function resolveWebpackPath({ dependency, filename, directory, webpackConfig }) {
   if (!webpackResolve) {
     webpackResolve = require('enhanced-resolve');

test/test.js

@@ -21,7 +21,8 @@ describe('filing-cabinet', () => {
         '.scss',
         '.styl',
         '.ts',
-        '.tsx'
+        '.tsx',
+        '.vue'
       ].sort();
       assert.deepEqual(actual, expected);
     });