v0.2.2 fix test

Silly error with symbolic links

package.json

@@ -15,7 +15,7 @@
     "build": "rm -rf dist/* && npm run build:cjs && npm run build:es6",
     "build:cjs": "rollup -c -f cjs -o dist/rollup-plugin-jscc.js",
     "build:es6": "rollup -c -f es -o dist/rollup-plugin-jscc.es.js",
-    "prepublish": "npm test && npm run build"
+    "prepublish": "npm run lint && npm test && npm run build"
   },
   "files": [
     "dist",
@@ -60,6 +60,6 @@
     "mocha": "^3.0.2",
     "rollup": "^0.36.0",
     "rollup-plugin-buble": "^0.14.0",
-    "rollup-plugin-node-resolve": "^1.7.3"
+    "rollup-plugin-node-resolve": "^2.0.0"
   }
 }

src/filter.js

@@ -0,0 +1,29 @@
+
+import { createFilter } from 'rollup-pluginutils'
+import { extname } from 'path'
+
+/**
+ * Creates a filter for the options `include`, `exclude`, and `extensions`.
+ * It filter out names starting with `\0`.
+ * Since `extensions` is not a rollup option, I think is widely used.
+ *
+ * @param {object}       opts - The user options
+ * @param {array|string} exts - Default extensions
+ * @returns {function}   Filter function that returns true if a given
+ *                       file matches the filter.
+ */
+export default function _createFilter (opts, exts) {
+  if (!opts) opts = {}
+
+  const filt = createFilter(opts.include, opts.exclude)
+
+  exts = opts.extensions || exts || '*'
+  if (exts !== '*') {
+    if (!Array.isArray(exts)) exts = [exts]
+    exts = exts.map((e) => { return e[0] !== '.' ? `.${e}` : e })
+  }
+
+  return function (id) {
+    return filt(id) && (exts === '*' || exts.indexOf(extname(id)) > -1)
+  }
+}