fix: handle incorrect pos & size with text_special

Author: stanley2058

lib/rules_core/text_join.mjs

@@ -23,12 +23,19 @@ export default function text_join (state) {
       }
     }
 
-    for (curr = last = 0; curr < max; curr++) {
+    for (curr = last = 0; curr < tokens.length; curr++) {
       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
+
+        // only move forward position when left token has content
+        if (tokens[curr].content) {
+          tokens[curr + 1].position = tokens[curr].position
+        }
+        // add up size
+        tokens[curr + 1].size = (tokens[curr].size || 0) + (tokens[curr + 1].size || 0)
       } else {
         if (curr !== last) { tokens[last] = tokens[curr] }
 

lib/rules_inline/escape.mjs

@@ -62,6 +62,8 @@ export default function escape (state, silent) {
 
     token.markup = origStr
     token.info   = 'escape'
+    // size should reflect original source span (including backslash)
+    token.size = origStr.length
   }
 
   state.pos = pos + 1