Port over substr -> substring

Related: highlightjs/highlight.js@e245217.
wooorm · Apr 16, 2017 · fa3ff4f · fa3ff4f
1 parent 256fb5e
commit fa3ff4f
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/lib/core.js b/lib/core.js
@@ -218,11 +218,7 @@ function coreHighlight(name, value, ignore, prefix, continuation) {
     match = top.terminators.exec(value);
 
     while (match) {
-      count = processLexeme(
-        value.substr(offset, match.index - offset),
-        match[0]
-      );
-
+      count = processLexeme(value.substring(offset, match.index), match[0]);
       offset = top.terminators.lastIndex = match.index + count;
       match = top.terminators.exec(value);
     }
@@ -424,7 +420,7 @@ function coreHighlight(name, value, ignore, prefix, continuation) {
     keyword = top.lexemesRe.exec(modeBuffer);
 
     while (keyword) {
-      addText(modeBuffer.substr(lastIndex, keyword.index - lastIndex), nodes);
+      addText(modeBuffer.substring(lastIndex, keyword.index), nodes);
 
       submatch = keywordMatch(top, keyword);