From 5837f6bc5b96a9a1215950ca270f5e10dff0a2c3 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijn@haverbeke.nl>
Date: Mon, 30 May 2016 17:47:58 +0200
Subject: [PATCH] Add an attrGet method to Token

To make it easier to write code that consumes tokens for
tasks other than generating HTML.
---
 lib/token.js | 14 ++++++++++++++
 test/misc.js | 13 +++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/lib/token.js b/lib/token.js
index 448ff49c2..54e1a5c0c 100644
--- a/lib/token.js
+++ b/lib/token.js
@@ -163,6 +163,20 @@ Token.prototype.attrSet = function attrSet(name, value) {
 };
 
 
+/**
+ * Token.attrGet(name)
+ *
+ * Get the value of attribute `name`, or null if it does not exist.
+ **/
+Token.prototype.attrGet = function attrGet(name) {
+  var idx = this.attrIndex(name), value = null;
+  if (idx >= 0) {
+    value = this.attrs[idx][1];
+  }
+  return value;
+};
+
+
 /**
  * Token.attrJoin(name, value)
  *
diff --git a/test/misc.js b/test/misc.js
index de7297d89..fd7ba6db0 100644
--- a/test/misc.js
+++ b/test/misc.js
@@ -357,4 +357,17 @@ describe('Token attributes', function () {
       '<pre><code class="bar"></code></pre>\n'
     );
   });
+
+  it('.attrGet', function () {
+    var md = markdownit();
+
+    var tokens = md.parse('```'),
+        t = tokens[0];
+
+    assert.strictEqual(t.attrGet('myattr'), null);
+
+    t.attrSet('myattr', 'myvalue');
+
+    assert.strictEqual(t.attrGet('myattr'), 'myvalue');
+  });
 });