Simplify and bump version

.npmignore

@@ -1,3 +1 @@
-lib_src
 node_modules
-gulpfile.coffee

index.js

@@ -1 +1,15 @@
-module.exports = require('./lib')
+// {% codepen userId|anonymous|anon slugHash theme [defaultTab [height [width]]] %}
+function codepenTagRender(args) {
+  const userId = args[0] === 'anonymous' ? 'anon' : args[0];
+  const slugHash = args[1];
+  const theme = args[2];
+  const defaultTab = args[3] != null ? args[3] : 'result';
+  const height = args[4] != null ? args[4] : 300;
+  const width = args[5] != null ? args[5] : '100%';
+  const src = `//codepen.io/${userId}/embed/${slugHash}?height=${height}&theme-id=${theme}&slug-hash=${slugHash}&default-tab=${defaultTab}`;
+  const id = `cp_embed_${slugHash.replace(/\//g, '_')}`
+
+  return `<iframe id=${id} src=${src} scrolling="no" frameborder="no" height="${height}" allowTransparency="true" allowfullscreen="true" class="cp_embed_iframe" style=""width: ${width}; overflow: hidden;></iframe>`;
+}
+
+hexo.extend.tag.register('codepen', codepenTagRender);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hexo-tag-codepen",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Hexo tag to embed code snippet from codepen.io",
   "main": "index.js",
   "scripts": {