Fix: Ignore anything after space in code fence's language (fixes #98)

Author: tolmasky

lib/processor.js

@@ -80,7 +80,7 @@ function preprocess(text) {
             var comments = [];
             var index, previousNode, comment;
 
-            if (node.lang && SUPPORTED_SYNTAXES.indexOf(node.lang.toLowerCase()) >= 0) {
+            if (node.lang && SUPPORTED_SYNTAXES.indexOf(node.lang.split(" ")[0].toLowerCase()) >= 0) {
                 index = parent.children.indexOf(node) - 1;
                 previousNode = parent.children[index];
                 while (previousNode && previousNode.type === "html") {

tests/lib/processor.js

@@ -257,6 +257,17 @@ describe("processor", function() {
             assert.equal(blocks.length, 1);
         });
 
+        it("should ignore anything after the first word of the info string", function() {
+            var code = [
+                "```js more words are ignored",
+                "var answer = 6 * 7;",
+                "```"
+            ].join("\n");
+            var blocks = processor.preprocess(code);
+
+            assert.equal(blocks.length, 1);
+        });
+
         it("should find code fences not surrounded by blank lines", function() {
             var code = [
                 "<!-- eslint-disable -->",