1 files changed, 33 insertions, 0 deletions
diff --git a/node_modules/markdown-it/lib/rules_inline/text_collapse.js b/node_modules/markdown-it/lib/rules_inline/text_collapse.js
new file mode 100644
index 00000000..3104c0c6
--- /dev/null
+++ b/node_modules/markdown-it/lib/rules_inline/text_collapse.js
@@ -0,0 +1,33 @@
+// Merge adjacent text nodes into one, and re-calculate all token levels
+//
+'use strict';
+
+
+module.exports = function text_collapse(state) {
+  var curr, last,
+      level = 0,
+      tokens = state.tokens,
+      max = state.tokens.length;
+
+  for (curr = last = 0; curr < max; curr++) {
+    // re-calculate levels
+    level += tokens[curr].nesting;
+    tokens[curr].level = level;
+
+    if (tokens[curr].type === 'text' &&
+        curr + 1 < max &&
+        tokens[curr + 1].type === 'text') {
+
+      // collapse two adjacent text nodes
+      tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
+    } else {
+      if (curr !== last) { tokens[last] = tokens[curr]; }
+
+      last++;
+    }
+  }
+
+  if (curr !== last) {
+    tokens.length = last;
+  }
+};