Merge pull request #140 from theme-next/feature-include-raw

Added `include_raw` tag feature.

Author: ivan-nginx

scripts/tags/include-raw.js

@@ -0,0 +1,36 @@
+/**
+ * include.js | global hexo script.
+ *
+ * Usage:
+ *
+ * {% include_raw '_data/path/to/file.html' %}
+ *
+ * Path is relative to your site source directory.
+ */
+
+'use strict';
+
+var pathFn = require('path');
+/*jshint camelcase: false */
+var fs = require('hexo-fs');
+/*jshint camelcase: true */
+
+function include_raw (args) {
+  var path = pathFn.join(hexo.source_dir, args[0]);
+
+  return fs.exists(path).then(function(exist) {
+    if (!exist) {
+      hexo.log.error('Include file not found!');
+      return;
+    }
+    return fs.readFile(path).then(function(contents) {
+      if (!contents) {
+        hexo.log.warn('Include file empty.');
+        return;
+      }
+      return contents;
+    });
+  });
+};
+
+hexo.extend.tag.register('include_raw', include_raw, {ends: false, async: true});